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John Mitchell / DMSupport

Subdirectory provided by Embedded Artists

Dependencies: DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos mbed-src

Dependents: lpc4088_displaymodule_hello_world_Sept_2018

Fork of DMSupport by Embedded Artists

FileSystems/MCIFileSystem.cpp@40:6df4f63aa406, 2015-06-10 (annotated)

Committer:: alindvall
Date:: Wed Jun 10 09:54:15 2015 +0000
Revision:: 40:6df4f63aa406
Parent:: 38:420cdc281467

Updated USBDevice, mbed-src and mbed-rtos libraries to latest version. Fixed compiler errors related to us_ticker_read() that was introduced in latest mbed-src version.

Who changed what in which revision?

User	Revision	Line number	New contents of line
embeddedartists	0:6b68dac0d986	1	/*
embeddedartists	9:a33326afd686	2	* Copyright 2014 Embedded Artists AB
embeddedartists	0:6b68dac0d986	3	*
embeddedartists	0:6b68dac0d986	4	* Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists	0:6b68dac0d986	5	* you may not use this file except in compliance with the License.
embeddedartists	0:6b68dac0d986	6	* You may obtain a copy of the License at
embeddedartists	0:6b68dac0d986	7	*
embeddedartists	0:6b68dac0d986	8	* http://www.apache.org/licenses/LICENSE-2.0
embeddedartists	0:6b68dac0d986	9	*
embeddedartists	0:6b68dac0d986	10	* Unless required by applicable law or agreed to in writing, software
embeddedartists	0:6b68dac0d986	11	* distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists	0:6b68dac0d986	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists	0:6b68dac0d986	13	* See the License for the specific language governing permissions and
embeddedartists	0:6b68dac0d986	14	* limitations under the License.
embeddedartists	0:6b68dac0d986	15	*/
embeddedartists	0:6b68dac0d986	16
embeddedartists	0:6b68dac0d986	17	/******************************************************************************
embeddedartists	0:6b68dac0d986	18	* Includes
embeddedartists	0:6b68dac0d986	19	*****************************************************************************/
embeddedartists	0:6b68dac0d986	20
embeddedartists	0:6b68dac0d986	21	#include "MCIFileSystem.h"
embeddedartists	0:6b68dac0d986	22	#include "mbed_debug.h"
embeddedartists	31:d47cffcb0a3e	23	#include "rtos.h"
alindvall	40:6df4f63aa406	24	#include "us_ticker_api.h"
embeddedartists	0:6b68dac0d986	25
embeddedartists	0:6b68dac0d986	26	#include "diskio.h" //STA_* defines
embeddedartists	0:6b68dac0d986	27
embeddedartists	0:6b68dac0d986	28	/******************************************************************************
embeddedartists	0:6b68dac0d986	29	* Defines and typedefs
embeddedartists	0:6b68dac0d986	30	*****************************************************************************/
embeddedartists	0:6b68dac0d986	31
embeddedartists	0:6b68dac0d986	32	#define MCI_DBG 0
embeddedartists	0:6b68dac0d986	33
embeddedartists	0:6b68dac0d986	34	#define CMD_TIMEOUT (0x10000)
embeddedartists	0:6b68dac0d986	35
embeddedartists	0:6b68dac0d986	36	#define DATA_TIMER_VALUE_R (SDC_TRAN_CLOCK_RATE / 4) // 250ms
embeddedartists	0:6b68dac0d986	37	#define DATA_TIMER_VALUE_W (SDC_TRAN_CLOCK_RATE) // 1000ms
embeddedartists	31:d47cffcb0a3e	38	#define ACQUIRE_DELAY (100) /!< inter-command acquire oper condition delay in milliseconds /
embeddedartists	0:6b68dac0d986	39
embeddedartists	0:6b68dac0d986	40	#define SYSCTL_CLOCK_SDC (1<<28)
embeddedartists	0:6b68dac0d986	41
embeddedartists	0:6b68dac0d986	42	/**
embeddedartists	0:6b68dac0d986	43	* @brief SDC Clear Register bit definitions
embeddedartists	0:6b68dac0d986	44	*/
embeddedartists	0:6b68dac0d986	45	/** Clear all status flag*/
embeddedartists	0:6b68dac0d986	46	#define SDC_CLEAR_ALL ((uint32_t) 0x7FF)
embeddedartists	0:6b68dac0d986	47
embeddedartists	0:6b68dac0d986	48	/*
embeddedartists	0:6b68dac0d986	49	* SDMMC Card bus clock rate definitions
embeddedartists	0:6b68dac0d986	50	*/
embeddedartists	0:6b68dac0d986	51	/** Card bus clock in Card Identification Mode */
embeddedartists	0:6b68dac0d986	52	#define SDC_IDENT_CLOCK_RATE (400000) /* 400KHz */
embeddedartists	0:6b68dac0d986	53	/** Card bus clock in Data Transfer Mode */
embeddedartists	0:6b68dac0d986	54	#define SDC_TRAN_CLOCK_RATE (20000000) /* 20MHz */
embeddedartists	0:6b68dac0d986	55
embeddedartists	0:6b68dac0d986	56	/**
embeddedartists	0:6b68dac0d986	57	* @brief SDC Power Control Register bit definitions
embeddedartists	0:6b68dac0d986	58	*/
embeddedartists	0:6b68dac0d986	59	/** SD_CMD Output Control */
embeddedartists	0:6b68dac0d986	60	#define SDC_PWR_OPENDRAIN (((uint32_t) 1) << 6)
embeddedartists	0:6b68dac0d986	61
embeddedartists	0:6b68dac0d986	62	/**
embeddedartists	0:6b68dac0d986	63	* @brief SDC Command Register bit definitions
embeddedartists	0:6b68dac0d986	64	*/
embeddedartists	0:6b68dac0d986	65	/** SDC Command Register Bitmask */
embeddedartists	0:6b68dac0d986	66	#define SDC_COMMAND_BITMASK ((uint32_t) 0x7FF)
embeddedartists	0:6b68dac0d986	67	/** SDC Command Index Bitmask */
embeddedartists	0:6b68dac0d986	68	#define SDC_COMMAND_INDEX_BITMASK ((uint32_t) 0x3F)
embeddedartists	0:6b68dac0d986	69	/** Set SDC Command Index */
embeddedartists	0:6b68dac0d986	70	#define SDC_COMMAND_INDEX(n) ((uint32_t) n & 0x3F)
embeddedartists	0:6b68dac0d986	71	/** No response is expected */
embeddedartists	0:6b68dac0d986	72	#define SDC_COMMAND_NO_RSP (((uint32_t) 0 ) << 6)
embeddedartists	0:6b68dac0d986	73	/** Short response is expected */
embeddedartists	0:6b68dac0d986	74	#define SDC_COMMAND_SHORT_RSP (((uint32_t) 1 ) << 6)
embeddedartists	0:6b68dac0d986	75	/** Long response is expected */
embeddedartists	0:6b68dac0d986	76	#define SDC_COMMAND_LONG_RSP (((uint32_t) 3 ) << 6)
embeddedartists	0:6b68dac0d986	77	/** Response bit mask */
embeddedartists	0:6b68dac0d986	78	#define SDC_COMMAND_RSP_BITMASK (((uint32_t) 3 ) << 6)
embeddedartists	0:6b68dac0d986	79	/** Mark that command timer is disabled and CPSM waits for interrupt request */
embeddedartists	0:6b68dac0d986	80	#define SDC_COMMAND_INTERRUPT (((uint32_t) 1 ) << 8)
embeddedartists	0:6b68dac0d986	81	/** Mark that CPSM waits for CmdPend before starting sending a command*/
embeddedartists	0:6b68dac0d986	82	#define SDC_COMMAND_PENDING (((uint32_t) 1 ) << 9)
embeddedartists	0:6b68dac0d986	83	/** Enable CPSM */
embeddedartists	0:6b68dac0d986	84	#define SDC_COMMAND_ENABLE (((uint32_t) 1 ) << 10)
embeddedartists	0:6b68dac0d986	85
embeddedartists	0:6b68dac0d986	86	/**
embeddedartists	0:6b68dac0d986	87	* @brief SDC Command Response Register bit definitions
embeddedartists	0:6b68dac0d986	88	*/
embeddedartists	0:6b68dac0d986	89	/** SDC Command Response value */
embeddedartists	0:6b68dac0d986	90	#define SDC_RESPCOMMAND_VAL(n) ((uint32_t) n & 0x3F)
embeddedartists	0:6b68dac0d986	91
embeddedartists	0:6b68dac0d986	92	/*
embeddedartists	0:6b68dac0d986	93	* SD/MMC Response type definitions
embeddedartists	0:6b68dac0d986	94	*/
embeddedartists	0:6b68dac0d986	95	#define CMDRESP_NONE_TYPE (SDC_COMMAND_NO_RSP)
embeddedartists	0:6b68dac0d986	96	#define CMDRESP_R1_TYPE (SDC_COMMAND_SHORT_RSP)
embeddedartists	0:6b68dac0d986	97	#define CMDRESP_R1b_TYPE (SDC_COMMAND_SHORT_RSP)
embeddedartists	0:6b68dac0d986	98	#define CMDRESP_R2_TYPE (SDC_COMMAND_LONG_RSP)
embeddedartists	0:6b68dac0d986	99	#define CMDRESP_R3_TYPE (SDC_COMMAND_SHORT_RSP)
embeddedartists	0:6b68dac0d986	100	#define CMDRESP_R6_TYPE (SDC_COMMAND_SHORT_RSP)
embeddedartists	0:6b68dac0d986	101	#define CMDRESP_R7_TYPE (SDC_COMMAND_SHORT_RSP)
embeddedartists	0:6b68dac0d986	102
embeddedartists	0:6b68dac0d986	103	/*
embeddedartists	0:6b68dac0d986	104	* SD command values (Command Index, Response)
embeddedartists	0:6b68dac0d986	105	*/
embeddedartists	0:6b68dac0d986	106	#define SD_GO_IDLE_STATE (SDC_COMMAND_INDEX(MMC_GO_IDLE_STATE) \| CMDRESP_NONE_TYPE \| SDC_COMMAND_INTERRUPT) /!< GO_IDLE_STATE(MMC) or RESET(SD) /
embeddedartists	0:6b68dac0d986	107	#define SD_CMD1_SEND_OP_COND (SDC_COMMAND_INDEX(MMC_SEND_OP_COND) \| CMDRESP_R3_TYPE \| 0) /!< SEND_OP_COND(MMC) or ACMD41(SD) /
embeddedartists	0:6b68dac0d986	108	#define SD_CMD2_ALL_SEND_CID (SDC_COMMAND_INDEX(MMC_ALL_SEND_CID) \| CMDRESP_R2_TYPE \| 0) /!< ALL_SEND_CID /
embeddedartists	0:6b68dac0d986	109	#define SD_CMD3_SET_RELATIVE_ADDR (SDC_COMMAND_INDEX(MMC_SET_RELATIVE_ADDR) \| CMDRESP_R1_TYPE \| 0) /!< SET_RELATE_ADDR /
embeddedartists	0:6b68dac0d986	110	#define SD_CMD3_SEND_RELATIVE_ADDR (SDC_COMMAND_INDEX(SD_SEND_RELATIVE_ADDR) \| CMDRESP_R6_TYPE \| 0) /!< SEND_RELATE_ADDR /
embeddedartists	0:6b68dac0d986	111	#define SD_CMD7_SELECT_CARD (SDC_COMMAND_INDEX(MMC_SELECT_CARD) \| CMDRESP_R1b_TYPE \| 0) /!< SELECT/DESELECT_CARD /
embeddedartists	0:6b68dac0d986	112	#define SD_CMD8_SEND_IF_COND (SDC_COMMAND_INDEX(SD_CMD8) \| CMDRESP_R7_TYPE \| 0) /!< SEND_IF_COND /
embeddedartists	0:6b68dac0d986	113	#define SD_CMD9_SEND_CSD (SDC_COMMAND_INDEX(MMC_SEND_CSD) \| CMDRESP_R2_TYPE \| 0) /!< SEND_CSD /
embeddedartists	0:6b68dac0d986	114	#define SD_CMD12_STOP_TRANSMISSION (SDC_COMMAND_INDEX(MMC_STOP_TRANSMISSION) \| CMDRESP_R1_TYPE \| 0) /!< STOP_TRANSMISSION /
embeddedartists	0:6b68dac0d986	115	#define SD_CMD13_SEND_STATUS (SDC_COMMAND_INDEX(MMC_SEND_STATUS) \| CMDRESP_R1_TYPE \| 0) /!< SEND_STATUS /
embeddedartists	0:6b68dac0d986	116
embeddedartists	0:6b68dac0d986	117	/* Block-Oriented Read Commands (class 2) */
embeddedartists	0:6b68dac0d986	118	#define SD_CMD16_SET_BLOCKLEN (SDC_COMMAND_INDEX(MMC_SET_BLOCKLEN) \| CMDRESP_R1_TYPE \| 0) /!< SET_BLOCK_LEN /
embeddedartists	0:6b68dac0d986	119	#define SD_CMD17_READ_SINGLE_BLOCK (SDC_COMMAND_INDEX(MMC_READ_SINGLE_BLOCK) \| CMDRESP_R1_TYPE \| 0) /!< READ_SINGLE_BLOCK /
embeddedartists	0:6b68dac0d986	120	#define SD_CMD18_READ_MULTIPLE_BLOCK (SDC_COMMAND_INDEX(MMC_READ_MULTIPLE_BLOCK) \| CMDRESP_R1_TYPE \| 0) /!< READ_MULTIPLE_BLOCK /
embeddedartists	0:6b68dac0d986	121
embeddedartists	0:6b68dac0d986	122	/* Block-Oriented Write Commands (class 4) */
embeddedartists	0:6b68dac0d986	123	#define SD_CMD24_WRITE_BLOCK (SDC_COMMAND_INDEX(MMC_WRITE_BLOCK) \| CMDRESP_R1_TYPE \| 0) /!< WRITE_BLOCK /
embeddedartists	0:6b68dac0d986	124	#define SD_CMD25_WRITE_MULTIPLE_BLOCK (SDC_COMMAND_INDEX(MMC_WRITE_MULTIPLE_BLOCK) \| CMDRESP_R1_TYPE \| 0) /!< WRITE_MULTIPLE_BLOCK /
embeddedartists	0:6b68dac0d986	125
embeddedartists	0:6b68dac0d986	126	/* Erase Commands (class 5) */
embeddedartists	0:6b68dac0d986	127	#define SD_CMD32_ERASE_WR_BLK_START (SDC_COMMAND_INDEX(SD_ERASE_WR_BLK_START) \| CMDRESP_R1_TYPE \| 0) /!< ERASE_WR_BLK_START /
embeddedartists	0:6b68dac0d986	128	#define SD_CMD33_ERASE_WR_BLK_END (SDC_COMMAND_INDEX(SD_ERASE_WR_BLK_END) \| CMDRESP_R1_TYPE \| 0) /!< ERASE_WR_BLK_END /
embeddedartists	0:6b68dac0d986	129	#define SD_CMD38_ERASE (SDC_COMMAND_INDEX(SD_ERASE) \| CMDRESP_R1b_TYPE \| 0) /!< ERASE /
embeddedartists	0:6b68dac0d986	130
embeddedartists	0:6b68dac0d986	131	/* Application-Specific Commands (class 8) */
embeddedartists	0:6b68dac0d986	132	#define SD_CMD55_APP_CMD (SDC_COMMAND_INDEX(MMC_APP_CMD) \| CMDRESP_R1_TYPE \| 0) /!< APP_CMD /
embeddedartists	0:6b68dac0d986	133	#define SD_ACMD6_SET_BUS_WIDTH (SDC_COMMAND_INDEX(SD_APP_SET_BUS_WIDTH) \| CMDRESP_R1_TYPE \| 0) /!< SET_BUS_WIDTH /
embeddedartists	0:6b68dac0d986	134	#define SD_ACMD13_SEND_SD_STATUS (SDC_COMMAND_INDEX(MMC_SEND_STATUS) \| CMDRESP_R1_TYPE \| 0) /!< SEND_SD_STATUS /
embeddedartists	0:6b68dac0d986	135	#define SD_ACMD41_SD_SEND_OP_COND (SDC_COMMAND_INDEX(SD_APP_OP_COND) \| CMDRESP_R3_TYPE \| 0) /!< SD_SEND_OP_COND /
embeddedartists	0:6b68dac0d986	136
embeddedartists	0:6b68dac0d986	137	/**
embeddedartists	0:6b68dac0d986	138	* @brief SDC Interrupt Mask Register bit definitions
embeddedartists	0:6b68dac0d986	139	*/
embeddedartists	0:6b68dac0d986	140	/** Mask CmdCrcFail flag.*/
embeddedartists	0:6b68dac0d986	141	#define SDC_MASK0_CMDCRCFAIL (((uint32_t) 1 ) << 0)
embeddedartists	0:6b68dac0d986	142	/** Mask DataCrcFail flag. */
embeddedartists	0:6b68dac0d986	143	#define SDC_MASK0_DATACRCFAIL (((uint32_t) 1 ) << 1)
embeddedartists	0:6b68dac0d986	144	/** Mask CmdTimeOut flag. */
embeddedartists	0:6b68dac0d986	145	#define SDC_MASK0_CMDTIMEOUT (((uint32_t) 1 ) << 2)
embeddedartists	0:6b68dac0d986	146	/** Mask DataTimeOut flag. */
embeddedartists	0:6b68dac0d986	147	#define SDC_MASK0_DATATIMEOUT (((uint32_t) 1 ) << 3)
embeddedartists	0:6b68dac0d986	148	/** Mask TxUnderrun flag. */
embeddedartists	0:6b68dac0d986	149	#define SDC_MASK0_TXUNDERRUN (((uint32_t) 1 ) << 4)
embeddedartists	0:6b68dac0d986	150	/** Mask RxOverrun flag. */
embeddedartists	0:6b68dac0d986	151	#define SDC_MASK0_RXOVERRUN (((uint32_t) 1 ) << 5)
embeddedartists	0:6b68dac0d986	152	/** Mask CmdRespEnd flag. */
embeddedartists	0:6b68dac0d986	153	#define SDC_MASK0_CMDRESPEND (((uint32_t) 1 ) << 6)
embeddedartists	0:6b68dac0d986	154	/** Mask CmdSent flag.*/
embeddedartists	0:6b68dac0d986	155	#define SDC_MASK0_CMDSENT (((uint32_t) 1 ) << 7)
embeddedartists	0:6b68dac0d986	156	/** Mask DataEnd flag.*/
embeddedartists	0:6b68dac0d986	157	#define SDC_MASK0_DATAEND (((uint32_t) 1 ) << 8)
embeddedartists	0:6b68dac0d986	158	/** Mask StartBitErr flag.*/
embeddedartists	0:6b68dac0d986	159	#define SDC_MASK0_STARTBITERR (((uint32_t) 1 ) << 9)
embeddedartists	0:6b68dac0d986	160	/** Mask DataBlockEnd flag.*/
embeddedartists	0:6b68dac0d986	161	#define SDC_MASK0_DATABLOCKEND (((uint32_t) 1 ) << 10)
embeddedartists	0:6b68dac0d986	162	/** Mask CmdActive flag.*/
embeddedartists	0:6b68dac0d986	163	#define SDC_MASK0_CMDACTIVE (((uint32_t) 1 ) << 11)
embeddedartists	0:6b68dac0d986	164	/** Mask TxActive flag.*/
embeddedartists	0:6b68dac0d986	165	#define SDC_MASK0_TXACTIVE (((uint32_t) 1 ) << 12)
embeddedartists	0:6b68dac0d986	166	/** Mask RxActive flag.*/
embeddedartists	0:6b68dac0d986	167	#define SDC_MASK0_RXACTIVE (((uint32_t) 1 ) << 13)
embeddedartists	0:6b68dac0d986	168	/** Mask TxFifoHalfEmpty flag.*/
embeddedartists	0:6b68dac0d986	169	#define SDC_MASK0_TXFIFOHALFEMPTY (((uint32_t) 1 ) << 14)
embeddedartists	0:6b68dac0d986	170	/** Mask RxFifoHalfFull flag.*/
embeddedartists	0:6b68dac0d986	171	#define SDC_MASK0_RXFIFOHALFFULL (((uint32_t) 1 ) << 15)
embeddedartists	0:6b68dac0d986	172	/** Mask TxFifoFull flag.*/
embeddedartists	0:6b68dac0d986	173	#define SDC_MASK0_TXFIFOFULL (((uint32_t) 1 ) << 16)
embeddedartists	0:6b68dac0d986	174	/** Mask RxFifoFull flag.*/
embeddedartists	0:6b68dac0d986	175	#define SDC_MASK0_RXFIFOFULL (((uint32_t) 1 ) << 17)
embeddedartists	0:6b68dac0d986	176	/** Mask TxFifoEmpty flag.*/
embeddedartists	0:6b68dac0d986	177	#define SDC_MASK0_TXFIFOEMPTY (((uint32_t) 1 ) << 18)
embeddedartists	0:6b68dac0d986	178	/** Mask RxFifoEmpty flag.*/
embeddedartists	0:6b68dac0d986	179	#define SDC_MASK0_RXFIFOEMPTY (((uint32_t) 1 ) << 19)
embeddedartists	0:6b68dac0d986	180	/** Mask TxDataAvlbl flag.*/
embeddedartists	0:6b68dac0d986	181	#define SDC_MASK0_TXDATAAVLBL (((uint32_t) 1 ) << 20)
embeddedartists	0:6b68dac0d986	182	/** Mask RxDataAvlbl flag.*/
embeddedartists	0:6b68dac0d986	183	#define SDC_MASK0_RXDATAAVLBL (((uint32_t) 1 ) << 21)
embeddedartists	0:6b68dac0d986	184	/** CMD error interrupt mask */
embeddedartists	0:6b68dac0d986	185	#define SDC_MASK0_CMDERR (SDC_MASK0_CMDCRCFAIL \| SDC_MASK0_CMDTIMEOUT \| SDC_MASK0_STARTBITERR)
embeddedartists	0:6b68dac0d986	186	/** Data Transmit Error interrupt mask */
embeddedartists	0:6b68dac0d986	187	#define SDC_MASK0_TXDATAERR (SDC_MASK0_DATACRCFAIL \| SDC_MASK0_DATATIMEOUT \| SDC_MASK0_TXUNDERRUN \| SDC_MASK0_STARTBITERR)
embeddedartists	0:6b68dac0d986	188	/** Data Receive Error interrupt mask */
embeddedartists	0:6b68dac0d986	189	#define SDC_MASK0_RXDATAERR (SDC_MASK0_DATACRCFAIL \| SDC_MASK0_DATATIMEOUT \| SDC_MASK0_RXOVERRUN \| SDC_MASK0_STARTBITERR)
embeddedartists	0:6b68dac0d986	190	/** Data Transfer interrupt mask*/
embeddedartists	0:6b68dac0d986	191	#define SDC_MASK0_DATA (SDC_MASK0_DATAEND \| SDC_MASK0_DATABLOCKEND )
embeddedartists	0:6b68dac0d986	192
embeddedartists	0:6b68dac0d986	193	/**
embeddedartists	0:6b68dac0d986	194	* @brief SDC Clock Control Register bit definitions
embeddedartists	0:6b68dac0d986	195	*/
embeddedartists	0:6b68dac0d986	196	/** SDC Clock Control Register Bitmask */
embeddedartists	0:6b68dac0d986	197	#define SDC_CLOCK_BITMASK ((uint32_t) 0xFFF)
embeddedartists	0:6b68dac0d986	198	/** SDC Clock Divider Bitmask */
embeddedartists	0:6b68dac0d986	199	#define SDC_CLOCK_CLKDIV_BITMASK (((uint32_t) 0xFF ) << 0)
embeddedartists	0:6b68dac0d986	200	/** Set SDC Clock Divide value */
embeddedartists	0:6b68dac0d986	201	#define SDC_CLOCK_CLKDIV(n) (((uint32_t) (n & 0x0FF)) << 0)
embeddedartists	0:6b68dac0d986	202
embeddedartists	0:6b68dac0d986	203	/**
embeddedartists	0:6b68dac0d986	204	* @brief SDC Status Register bit definitions
embeddedartists	0:6b68dac0d986	205	*/
embeddedartists	0:6b68dac0d986	206	/** Command Response received (CRC check failed) */
embeddedartists	0:6b68dac0d986	207	#define SDC_STATUS_CMDCRCFAIL (((uint32_t) 1 ) << 0)
embeddedartists	0:6b68dac0d986	208	/** Data block sent/received (CRC check failed). */
embeddedartists	0:6b68dac0d986	209	#define SDC_STATUS_DATACRCFAIL (((uint32_t) 1 ) << 1)
embeddedartists	0:6b68dac0d986	210	/** Command response timeout.. */
embeddedartists	0:6b68dac0d986	211	#define SDC_STATUS_CMDTIMEOUT (((uint32_t) 1 ) << 2)
embeddedartists	0:6b68dac0d986	212	/** Data timeout. */
embeddedartists	0:6b68dac0d986	213	#define SDC_STATUS_DATATIMEOUT (((uint32_t) 1 ) << 3)
embeddedartists	0:6b68dac0d986	214	/** Transmit FIFO underrun error. */
embeddedartists	0:6b68dac0d986	215	#define SDC_STATUS_TXUNDERRUN (((uint32_t) 1 ) << 4)
embeddedartists	0:6b68dac0d986	216	/** Receive FIFO overrun error. */
embeddedartists	0:6b68dac0d986	217	#define SDC_STATUS_RXOVERRUN (((uint32_t) 1 ) << 5)
embeddedartists	0:6b68dac0d986	218	/** Command response received (CRC check passed). */
embeddedartists	0:6b68dac0d986	219	#define SDC_STATUS_CMDRESPEND (((uint32_t) 1 ) << 6)
embeddedartists	0:6b68dac0d986	220	/** Command sent (no response required).*/
embeddedartists	0:6b68dac0d986	221	#define SDC_STATUS_CMDSENT (((uint32_t) 1 ) << 7)
embeddedartists	0:6b68dac0d986	222	/** Data end (data counter is zero).*/
embeddedartists	0:6b68dac0d986	223	#define SDC_STATUS_DATAEND (((uint32_t) 1 ) << 8)
embeddedartists	0:6b68dac0d986	224	/** Start bit not detected on all data signals in wide bus mode..*/
embeddedartists	0:6b68dac0d986	225	#define SDC_STATUS_STARTBITERR (((uint32_t) 1 ) << 9)
embeddedartists	0:6b68dac0d986	226	/** Data block sent/received (CRC check passed).*/
embeddedartists	0:6b68dac0d986	227	#define SDC_STATUS_DATABLOCKEND (((uint32_t) 1 ) << 10)
embeddedartists	0:6b68dac0d986	228	/** Command transfer in progress.*/
embeddedartists	0:6b68dac0d986	229	#define SDC_STATUS_CMDACTIVE (((uint32_t) 1 ) << 11)
embeddedartists	0:6b68dac0d986	230	/** Data transmit in progress.*/
embeddedartists	0:6b68dac0d986	231	#define SDC_STATUS_TXACTIVE (((uint32_t) 1 ) << 12)
embeddedartists	0:6b68dac0d986	232	/** Data receive in progress.*/
embeddedartists	0:6b68dac0d986	233	#define SDC_STATUS_RXACTIVE (((uint32_t) 1 ) << 13)
embeddedartists	0:6b68dac0d986	234	/** Transmit FIFO half empty.*/
embeddedartists	0:6b68dac0d986	235	#define SDC_STATUS_TXFIFOHALFEMPTY (((uint32_t) 1 ) << 14)
embeddedartists	0:6b68dac0d986	236	/** Receive FIFO half full.*/
embeddedartists	0:6b68dac0d986	237	#define SDC_STATUS_RXFIFOHALFFULL (((uint32_t) 1 ) << 15)
embeddedartists	0:6b68dac0d986	238	/** Transmit FIFO full.*/
embeddedartists	0:6b68dac0d986	239	#define SDC_STATUS_TXFIFOFULL (((uint32_t) 1 ) << 16)
embeddedartists	0:6b68dac0d986	240	/** Receive FIFO full.*/
embeddedartists	0:6b68dac0d986	241	#define SDC_STATUS_RXFIFOFULL (((uint32_t) 1 ) << 17)
embeddedartists	0:6b68dac0d986	242	/** Transmit FIFO empty.*/
embeddedartists	0:6b68dac0d986	243	#define SDC_STATUS_TXFIFOEMPTY (((uint32_t) 1 ) << 18)
embeddedartists	0:6b68dac0d986	244	/** Receive FIFO empty.*/
embeddedartists	0:6b68dac0d986	245	#define SDC_STATUS_RXFIFOEMPTY (((uint32_t) 1 ) << 19)
embeddedartists	0:6b68dac0d986	246	/** Data available in transmit FIFO.*/
embeddedartists	0:6b68dac0d986	247	#define SDC_STATUS_TXDATAAVLBL (((uint32_t) 1 ) << 20)
embeddedartists	0:6b68dac0d986	248	/** Data available in receive FIFO.*/
embeddedartists	0:6b68dac0d986	249	#define SDC_STATUS_RXDATAAVLBL (((uint32_t) 1 ) << 21)
embeddedartists	0:6b68dac0d986	250	/** Command Error Status */
embeddedartists	0:6b68dac0d986	251	#define SDC_STATUS_CMDERR (SDC_STATUS_CMDCRCFAIL \| SDC_STATUS_CMDTIMEOUT \| SDC_STATUS_STARTBITERR)
embeddedartists	0:6b68dac0d986	252	/** Data Error Status */
embeddedartists	0:6b68dac0d986	253	#define SDC_STATUS_DATAERR (SDC_STATUS_DATACRCFAIL \| SDC_STATUS_DATATIMEOUT \| SDC_STATUS_TXUNDERRUN \
embeddedartists	0:6b68dac0d986	254	\| SDC_STATUS_RXOVERRUN \| SDC_STATUS_STARTBITERR)
embeddedartists	0:6b68dac0d986	255	/** FIFO Status*/
embeddedartists	0:6b68dac0d986	256	#define SDC_STATUS_FIFO (SDC_STATUS_TXFIFOHALFEMPTY \| SDC_STATUS_RXFIFOHALFFULL \
embeddedartists	0:6b68dac0d986	257	\| SDC_STATUS_TXFIFOFULL \| SDC_STATUS_RXFIFOFULL \
embeddedartists	0:6b68dac0d986	258	\| SDC_STATUS_TXFIFOEMPTY \| SDC_STATUS_RXFIFOEMPTY \
embeddedartists	0:6b68dac0d986	259	\| SDC_STATUS_DATABLOCKEND)
embeddedartists	0:6b68dac0d986	260
embeddedartists	0:6b68dac0d986	261	/** Data Transfer Status*/
embeddedartists	0:6b68dac0d986	262	#define SDC_STATUS_DATA (SDC_STATUS_DATAEND )
embeddedartists	0:6b68dac0d986	263
embeddedartists	0:6b68dac0d986	264	/**
embeddedartists	0:6b68dac0d986	265	* @brief SDC Data Control Register bit definitions
embeddedartists	0:6b68dac0d986	266	*/
embeddedartists	0:6b68dac0d986	267	/** SDC Data Control Register Bitmask */
embeddedartists	0:6b68dac0d986	268	#define SDC_DATACTRL_BITMASK ((uint32_t) 0xFF)
embeddedartists	0:6b68dac0d986	269	/** Enable Data Transfer */
embeddedartists	0:6b68dac0d986	270	#define SDC_DATACTRL_ENABLE (((uint32_t) 1 ) << 0)
embeddedartists	0:6b68dac0d986	271	/** Mark that Data is transfer from card to controller */
embeddedartists	0:6b68dac0d986	272	#define SDC_DATACTRL_DIR_FROMCARD (((uint32_t) 1 ) << 1)
embeddedartists	0:6b68dac0d986	273	/** Mark that Data is transfer from controller to card */
embeddedartists	0:6b68dac0d986	274	#define SDC_DATACTRL_DIR_TOCARD ((uint32_t) 0)
embeddedartists	0:6b68dac0d986	275	/** Mark that the transfer mode is Stream Data Transfer */
embeddedartists	0:6b68dac0d986	276	#define SDC_DATACTRL_XFER_MODE_STREAM (((uint32_t) 1 ) << 2)
embeddedartists	0:6b68dac0d986	277	/** Mark that the transfer mode is Block Data Transfer */
embeddedartists	0:6b68dac0d986	278	#define SDC_DATACTRL_XFER_MODE_BLOCK ((uint32_t) 0)
embeddedartists	0:6b68dac0d986	279	/** Enable DMA */
embeddedartists	0:6b68dac0d986	280	#define SDC_DATACTRL_DMA_ENABLE (((uint32_t) 1 ) << 3)
embeddedartists	0:6b68dac0d986	281	/** Set Data Block size */
embeddedartists	0:6b68dac0d986	282	#define SDC_DATACTRL_BLOCKSIZE(n) (((uint32_t) (n & 0x0F) ) << 4)
embeddedartists	0:6b68dac0d986	283	/** Get Data Block size value */
embeddedartists	0:6b68dac0d986	284	#define SDC_DATACTRL_BLOCKSIZE_VAL(n) (((uint32_t) 1) << n)
embeddedartists	0:6b68dac0d986	285
embeddedartists	0:6b68dac0d986	286	/**
embeddedartists	0:6b68dac0d986	287	* @brief OCR Register definitions
embeddedartists	0:6b68dac0d986	288	*/
embeddedartists	0:6b68dac0d986	289	/** Support voltage range 2.7-3.6 */
embeddedartists	0:6b68dac0d986	290	#define SDC_OCR_27_36 ((uint32_t) 0x00FF8000)
embeddedartists	0:6b68dac0d986	291	/** Card power up status bit */
embeddedartists	0:6b68dac0d986	292	#define SDC_OCR_IDLE (((uint32_t) 1) << 31)
embeddedartists	0:6b68dac0d986	293	#define SDC_OCR_BUSY (((uint32_t) 0) << 31)
embeddedartists	0:6b68dac0d986	294
embeddedartists	0:6b68dac0d986	295
embeddedartists	0:6b68dac0d986	296	/* SD/MMC commands - this matrix shows the command, response types, and
embeddedartists	0:6b68dac0d986	297	supported card type for that command.
embeddedartists	0:6b68dac0d986	298	Command Number Resp SD MMC
embeddedartists	0:6b68dac0d986	299	----------------------- ------ ----- --- ---
embeddedartists	0:6b68dac0d986	300	Reset (go idle) CMD0 NA x x
embeddedartists	0:6b68dac0d986	301	Send op condition CMD1 R3 x
embeddedartists	0:6b68dac0d986	302	All send CID CMD2 R2 x x
embeddedartists	0:6b68dac0d986	303	Send relative address CMD3 R1 x
embeddedartists	0:6b68dac0d986	304	Send relative address CMD3 R6 x
embeddedartists	0:6b68dac0d986	305	Program DSR CMD4 NA x
embeddedartists	0:6b68dac0d986	306	Select/deselect card CMD7 R1b x
embeddedartists	0:6b68dac0d986	307	Select/deselect card CMD7 R1 x
embeddedartists	0:6b68dac0d986	308	Send CSD CMD9 R2 x x
embeddedartists	0:6b68dac0d986	309	Send CID CMD10 R2 x x
embeddedartists	0:6b68dac0d986	310	Read data until stop CMD11 R1 x x
embeddedartists	0:6b68dac0d986	311	Stop transmission CMD12 R1/b x x
embeddedartists	0:6b68dac0d986	312	Send status CMD13 R1 x x
embeddedartists	0:6b68dac0d986	313	Go inactive state CMD15 NA x x
embeddedartists	0:6b68dac0d986	314	Set block length CMD16 R1 x x
embeddedartists	0:6b68dac0d986	315	Read single block CMD17 R1 x x
embeddedartists	0:6b68dac0d986	316	Read multiple blocks CMD18 R1 x x
embeddedartists	0:6b68dac0d986	317	Write data until stop CMD20 R1 x
embeddedartists	0:6b68dac0d986	318	Setblock count CMD23 R1 x
embeddedartists	0:6b68dac0d986	319	Write single block CMD24 R1 x x
embeddedartists	0:6b68dac0d986	320	Write multiple blocks CMD25 R1 x x
embeddedartists	0:6b68dac0d986	321	Program CID CMD26 R1 x
embeddedartists	0:6b68dac0d986	322	Program CSD CMD27 R1 x x
embeddedartists	0:6b68dac0d986	323	Set write protection CMD28 R1b x x
embeddedartists	0:6b68dac0d986	324	Clear write protection CMD29 R1b x x
embeddedartists	0:6b68dac0d986	325	Send write protection CMD30 R1 x x
embeddedartists	0:6b68dac0d986	326	Erase block start CMD32 R1 x
embeddedartists	0:6b68dac0d986	327	Erase block end CMD33 R1 x
embeddedartists	0:6b68dac0d986	328	Erase block start CMD35 R1 x
embeddedartists	0:6b68dac0d986	329	Erase block end CMD36 R1 x
embeddedartists	0:6b68dac0d986	330	Erase blocks CMD38 R1b x
embeddedartists	0:6b68dac0d986	331	Fast IO CMD39 R4 x
embeddedartists	0:6b68dac0d986	332	Go IRQ state CMD40 R5 x
embeddedartists	0:6b68dac0d986	333	Lock/unlock CMD42 R1b x
embeddedartists	0:6b68dac0d986	334	Application command CMD55 R1 x
embeddedartists	0:6b68dac0d986	335	General command CMD56 R1b x
embeddedartists	0:6b68dac0d986	336
embeddedartists	0:6b68dac0d986	337	* SD card application commands - these must be preceded with *
embeddedartists	0:6b68dac0d986	338	* MMC CMD55 application specific command first *
embeddedartists	0:6b68dac0d986	339	Set bus width ACMD6 R1 x
embeddedartists	0:6b68dac0d986	340	Send SD status ACMD13 R1 x
embeddedartists	0:6b68dac0d986	341	Send number WR blocks ACMD22 R1 x
embeddedartists	0:6b68dac0d986	342	Set WR block erase cnt ACMD23 R1 x
embeddedartists	0:6b68dac0d986	343	Send op condition ACMD41 R3 x
embeddedartists	0:6b68dac0d986	344	Set clear card detect ACMD42 R1 x
embeddedartists	0:6b68dac0d986	345	Send CSR ACMD51 R1 x */
embeddedartists	0:6b68dac0d986	346
embeddedartists	0:6b68dac0d986	347	/**
embeddedartists	0:6b68dac0d986	348	* @brief Possible SDMMC card state types
embeddedartists	0:6b68dac0d986	349	*/
embeddedartists	0:6b68dac0d986	350	typedef enum {
embeddedartists	0:6b68dac0d986	351	SDMMC_IDLE_ST = 0, /!< Idle state /
embeddedartists	0:6b68dac0d986	352	SDMMC_READY_ST, /!< Ready state /
embeddedartists	0:6b68dac0d986	353	SDMMC_IDENT_ST, /!< Identification State /
embeddedartists	0:6b68dac0d986	354	SDMMC_STBY_ST, /!< standby state /
embeddedartists	0:6b68dac0d986	355	SDMMC_TRAN_ST, /!< transfer state /
embeddedartists	0:6b68dac0d986	356	SDMMC_DATA_ST, /!< Sending-data State /
embeddedartists	0:6b68dac0d986	357	SDMMC_RCV_ST, /!< Receive-data State /
embeddedartists	0:6b68dac0d986	358	SDMMC_PRG_ST, /!< Programming State /
embeddedartists	0:6b68dac0d986	359	SDMMC_DIS_ST /!< Disconnect State /
embeddedartists	0:6b68dac0d986	360	} SDMMC_STATE_T;
embeddedartists	0:6b68dac0d986	361
embeddedartists	0:6b68dac0d986	362
embeddedartists	0:6b68dac0d986	363	/**
embeddedartists	0:6b68dac0d986	364	* @brief SD/MMC commands, arguments and responses
embeddedartists	0:6b68dac0d986	365	* Standard SD/MMC commands (3.1) type argument response
embeddedartists	0:6b68dac0d986	366	*/
embeddedartists	0:6b68dac0d986	367	/* class 1 */
embeddedartists	0:6b68dac0d986	368	#define MMC_GO_IDLE_STATE 0 /* bc */
embeddedartists	0:6b68dac0d986	369	#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
embeddedartists	0:6b68dac0d986	370	#define MMC_ALL_SEND_CID 2 /* bcr R2 */
embeddedartists	0:6b68dac0d986	371	#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
embeddedartists	0:6b68dac0d986	372	#define MMC_SET_DSR 4 /* bc [31:16] RCA */
embeddedartists	0:6b68dac0d986	373	#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
embeddedartists	0:6b68dac0d986	374	#define MMC_SEND_EXT_CSD 8 /* bc R1 */
embeddedartists	0:6b68dac0d986	375	#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
embeddedartists	0:6b68dac0d986	376	#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
embeddedartists	0:6b68dac0d986	377	#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
embeddedartists	0:6b68dac0d986	378	#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
embeddedartists	0:6b68dac0d986	379	#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
embeddedartists	0:6b68dac0d986	380
embeddedartists	0:6b68dac0d986	381	/* class 2 */
embeddedartists	0:6b68dac0d986	382	#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
embeddedartists	0:6b68dac0d986	383	#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	384	#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	385
embeddedartists	0:6b68dac0d986	386	/* class 3 */
embeddedartists	0:6b68dac0d986	387	#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	388
embeddedartists	0:6b68dac0d986	389	/* class 4 */
embeddedartists	0:6b68dac0d986	390	#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	391	#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	392	#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
embeddedartists	0:6b68dac0d986	393	#define MMC_PROGRAM_CID 26 /* adtc R1 */
embeddedartists	0:6b68dac0d986	394	#define MMC_PROGRAM_CSD 27 /* adtc R1 */
embeddedartists	0:6b68dac0d986	395
embeddedartists	0:6b68dac0d986	396	/* class 6 */
embeddedartists	0:6b68dac0d986	397	#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
embeddedartists	0:6b68dac0d986	398	#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
embeddedartists	0:6b68dac0d986	399	#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
embeddedartists	0:6b68dac0d986	400
embeddedartists	0:6b68dac0d986	401	/* class 5 */
embeddedartists	0:6b68dac0d986	402	#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	403	#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	404	#define MMC_ERASE 37 /* ac R1b */
embeddedartists	0:6b68dac0d986	405	#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	406	#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
embeddedartists	0:6b68dac0d986	407	#define SD_ERASE 38 /* ac R1b */
embeddedartists	0:6b68dac0d986	408
embeddedartists	0:6b68dac0d986	409	/* class 9 */
embeddedartists	0:6b68dac0d986	410	#define MMC_FAST_IO 39 /* ac <Complex> R4 */
embeddedartists	0:6b68dac0d986	411	#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
embeddedartists	0:6b68dac0d986	412
embeddedartists	0:6b68dac0d986	413	/* class 7 */
embeddedartists	0:6b68dac0d986	414	#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
embeddedartists	0:6b68dac0d986	415
embeddedartists	0:6b68dac0d986	416	/* class 8 */
embeddedartists	0:6b68dac0d986	417	#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
embeddedartists	0:6b68dac0d986	418	#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1b */
embeddedartists	0:6b68dac0d986	419
embeddedartists	0:6b68dac0d986	420	/* SD commands type argument response */
embeddedartists	0:6b68dac0d986	421	/* class 8 */
embeddedartists	0:6b68dac0d986	422	/* This is basically the same command as for MMC with some quirks. */
embeddedartists	0:6b68dac0d986	423	#define SD_SEND_RELATIVE_ADDR 3 /* ac R6 */
embeddedartists	0:6b68dac0d986	424	#define SD_CMD8 8 /* bcr [31:0] OCR R3 */
embeddedartists	0:6b68dac0d986	425
embeddedartists	0:6b68dac0d986	426	/* Application commands */
embeddedartists	0:6b68dac0d986	427	#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
embeddedartists	0:6b68dac0d986	428	#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R1 (R4) */
embeddedartists	0:6b68dac0d986	429	#define SD_APP_SEND_SCR 51 /* adtc R1 */
embeddedartists	0:6b68dac0d986	430
embeddedartists	0:6b68dac0d986	431
embeddedartists	0:6b68dac0d986	432	/**
embeddedartists	0:6b68dac0d986	433	* @brief MMC status in R1<br>
embeddedartists	0:6b68dac0d986	434	* Type<br>
embeddedartists	0:6b68dac0d986	435	* e : error bit<br>
embeddedartists	0:6b68dac0d986	436	* s : status bit<br>
embeddedartists	0:6b68dac0d986	437	* r : detected and set for the actual command response<br>
embeddedartists	0:6b68dac0d986	438	* x : detected and set during command execution. the host must poll
embeddedartists	0:6b68dac0d986	439	* the card by sending status command in order to read these bits.
embeddedartists	0:6b68dac0d986	440	* Clear condition<br>
embeddedartists	0:6b68dac0d986	441	* a : according to the card state<br>
embeddedartists	0:6b68dac0d986	442	* b : always related to the previous command. Reception of
embeddedartists	0:6b68dac0d986	443	* a valid command will clear it (with a delay of one command)<br>
embeddedartists	0:6b68dac0d986	444	* c : clear by read<br>
embeddedartists	0:6b68dac0d986	445	*/
embeddedartists	0:6b68dac0d986	446
embeddedartists	0:6b68dac0d986	447	#define R1_OUT_OF_RANGE (1UL << 31) /* er, c */
embeddedartists	0:6b68dac0d986	448	#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
embeddedartists	0:6b68dac0d986	449	#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
embeddedartists	0:6b68dac0d986	450	#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
embeddedartists	0:6b68dac0d986	451	#define R1_ERASE_PARAM (1 << 27) /* ex, c */
embeddedartists	0:6b68dac0d986	452	#define R1_WP_VIOLATION (1 << 26) /* erx, c */
embeddedartists	0:6b68dac0d986	453	#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
embeddedartists	0:6b68dac0d986	454	#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
embeddedartists	0:6b68dac0d986	455	#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
embeddedartists	0:6b68dac0d986	456	#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
embeddedartists	0:6b68dac0d986	457	#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
embeddedartists	0:6b68dac0d986	458	#define R1_CC_ERROR (1 << 20) /* erx, c */
embeddedartists	0:6b68dac0d986	459	#define R1_ERROR (1 << 19) /* erx, c */
embeddedartists	0:6b68dac0d986	460	#define R1_UNDERRUN (1 << 18) /* ex, c */
embeddedartists	0:6b68dac0d986	461	#define R1_OVERRUN (1 << 17) /* ex, c */
embeddedartists	0:6b68dac0d986	462	#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
embeddedartists	0:6b68dac0d986	463	#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
embeddedartists	0:6b68dac0d986	464	#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
embeddedartists	0:6b68dac0d986	465	#define R1_ERASE_RESET (1 << 13) /* sr, c */
embeddedartists	0:6b68dac0d986	466	#define R1_STATUS(x) (x & 0xFFFFE000)
embeddedartists	0:6b68dac0d986	467	#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
embeddedartists	0:6b68dac0d986	468	#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
embeddedartists	0:6b68dac0d986	469	#define R1_APP_CMD (1 << 5) /* sr, c */
embeddedartists	0:6b68dac0d986	470
embeddedartists	0:6b68dac0d986	471
embeddedartists	0:6b68dac0d986	472	/**
embeddedartists	0:6b68dac0d986	473	* @brief SD/MMC card OCR register bits
embeddedartists	0:6b68dac0d986	474	*/
embeddedartists	0:6b68dac0d986	475	#define OCR_ALL_READY (1UL << 31) /* Card Power up status bit */
embeddedartists	0:6b68dac0d986	476	#define OCR_HC_CCS (1 << 30) /* High capacity card */
embeddedartists	0:6b68dac0d986	477	#define OCR_VOLTAGE_RANGE_MSK (0x00FF8000)
embeddedartists	0:6b68dac0d986	478
embeddedartists	0:6b68dac0d986	479	#define SD_SEND_IF_ARG 0x000001AA
embeddedartists	0:6b68dac0d986	480	#define SD_SEND_IF_ECHO_MSK 0x000000FF
embeddedartists	0:6b68dac0d986	481	#define SD_SEND_IF_RESP 0x000000AA
embeddedartists	0:6b68dac0d986	482
embeddedartists	0:6b68dac0d986	483	/**
embeddedartists	0:6b68dac0d986	484	* @brief R3 response definitions
embeddedartists	0:6b68dac0d986	485	*/
embeddedartists	0:6b68dac0d986	486	#define CMDRESP_R3_OCR_VAL(n) (((uint32_t) n) & 0xFFFFFF)
embeddedartists	0:6b68dac0d986	487	#define CMDRESP_R3_S18A (((uint32_t) 1 ) << 24)
embeddedartists	0:6b68dac0d986	488	#define CMDRESP_R3_HC_CCS (((uint32_t) 1 ) << 30)
embeddedartists	0:6b68dac0d986	489	#define CMDRESP_R3_INIT_COMPLETE (((uint32_t) 1 ) << 31)
embeddedartists	0:6b68dac0d986	490
embeddedartists	0:6b68dac0d986	491	/**
embeddedartists	0:6b68dac0d986	492	* @brief R6 response definitions
embeddedartists	0:6b68dac0d986	493	*/
embeddedartists	0:6b68dac0d986	494	#define CMDRESP_R6_RCA_VAL(n) (((uint32_t) (n >> 16)) & 0xFFFF)
embeddedartists	0:6b68dac0d986	495	#define CMDRESP_R6_CARD_STATUS(n) (((uint32_t) (n & 0x1FFF)) \| \
embeddedartists	0:6b68dac0d986	496	((n & (1 << 13)) ? (1 << 19) : 0) \| \
embeddedartists	0:6b68dac0d986	497	((n & (1 << 14)) ? (1 << 22) : 0) \| \
embeddedartists	0:6b68dac0d986	498	((n & (1 << 15)) ? (1 << 23) : 0))
embeddedartists	0:6b68dac0d986	499
embeddedartists	0:6b68dac0d986	500	/**
embeddedartists	0:6b68dac0d986	501	* @brief R7 response definitions
embeddedartists	0:6b68dac0d986	502	*/
embeddedartists	0:6b68dac0d986	503	/** Echo-back of check-pattern */
embeddedartists	0:6b68dac0d986	504	#define CMDRESP_R7_CHECK_PATTERN(n) (((uint32_t) n ) & 0xFF)
embeddedartists	0:6b68dac0d986	505	/** Voltage accepted */
embeddedartists	0:6b68dac0d986	506	#define CMDRESP_R7_VOLTAGE_ACCEPTED (((uint32_t) 1 ) << 8)
embeddedartists	0:6b68dac0d986	507
embeddedartists	0:6b68dac0d986	508	/**
embeddedartists	0:6b68dac0d986	509	* @brief CMD3 command definitions
embeddedartists	0:6b68dac0d986	510	*/
embeddedartists	0:6b68dac0d986	511	/** Card Address */
embeddedartists	0:6b68dac0d986	512	#define CMD3_RCA(n) (((uint32_t) (n & 0xFFFF) ) << 16)
embeddedartists	0:6b68dac0d986	513
embeddedartists	0:6b68dac0d986	514	/**
embeddedartists	0:6b68dac0d986	515	* @brief CMD7 command definitions
embeddedartists	0:6b68dac0d986	516	*/
embeddedartists	0:6b68dac0d986	517	/** Card Address */
embeddedartists	0:6b68dac0d986	518	#define CMD7_RCA(n) (((uint32_t) (n & 0xFFFF) ) << 16)
embeddedartists	0:6b68dac0d986	519
embeddedartists	0:6b68dac0d986	520	/**
embeddedartists	0:6b68dac0d986	521	* @brief CMD8 command definitions
embeddedartists	0:6b68dac0d986	522	*/
embeddedartists	0:6b68dac0d986	523	/** Check pattern */
embeddedartists	0:6b68dac0d986	524	#define CMD8_CHECKPATTERN(n) (((uint32_t) (n & 0xFF) ) << 0)
embeddedartists	0:6b68dac0d986	525	/** Recommended pattern */
embeddedartists	0:6b68dac0d986	526	#define CMD8_DEF_PATTERN (0xAA)
embeddedartists	0:6b68dac0d986	527	/** Voltage supplied.*/
embeddedartists	0:6b68dac0d986	528	#define CMD8_VOLTAGESUPPLIED_27_36 (((uint32_t) 1 ) << 8)
embeddedartists	0:6b68dac0d986	529
embeddedartists	0:6b68dac0d986	530	/**
embeddedartists	0:6b68dac0d986	531	* @brief CMD9 command definitions
embeddedartists	0:6b68dac0d986	532	*/
embeddedartists	0:6b68dac0d986	533	#define CMD9_RCA(n) (((uint32_t) (n & 0xFFFF) ) << 16)
embeddedartists	0:6b68dac0d986	534
embeddedartists	0:6b68dac0d986	535	/**
embeddedartists	0:6b68dac0d986	536	* @brief CMD13 command definitions
embeddedartists	0:6b68dac0d986	537	*/
embeddedartists	0:6b68dac0d986	538	#define CMD13_RCA(n) (((uint32_t) (n & 0xFFFF) ) << 16)
embeddedartists	0:6b68dac0d986	539
embeddedartists	0:6b68dac0d986	540	/**
embeddedartists	0:6b68dac0d986	541	* @brief APP_CMD command definitions
embeddedartists	0:6b68dac0d986	542	*/
embeddedartists	0:6b68dac0d986	543	#define CMD55_RCA(n) (((uint32_t) (n & 0xFFFF) ) << 16)
embeddedartists	0:6b68dac0d986	544
embeddedartists	0:6b68dac0d986	545	/**
embeddedartists	0:6b68dac0d986	546	* @brief ACMD41 command definitions
embeddedartists	0:6b68dac0d986	547	*/
embeddedartists	0:6b68dac0d986	548	#define ACMD41_OCR(n) (((uint32_t) n) & 0xFFFFFF)
embeddedartists	0:6b68dac0d986	549	#define ACMD41_S18R (((uint32_t) 1 ) << 24)
embeddedartists	0:6b68dac0d986	550	#define ACMD41_XPC (((uint32_t) 1 ) << 28)
embeddedartists	0:6b68dac0d986	551	#define ACMD41_HCS (((uint32_t) 1 ) << 30)
embeddedartists	0:6b68dac0d986	552
embeddedartists	0:6b68dac0d986	553	/**
embeddedartists	0:6b68dac0d986	554	* @brief ACMD6 command definitions
embeddedartists	0:6b68dac0d986	555	*/
embeddedartists	0:6b68dac0d986	556	#define ACMD6_BUS_WIDTH(n) ((uint32_t) n & 0x03)
embeddedartists	0:6b68dac0d986	557	#define ACMD6_BUS_WIDTH_1 (0)
embeddedartists	0:6b68dac0d986	558	#define ACMD6_BUS_WIDTH_4 (2)
embeddedartists	0:6b68dac0d986	559
embeddedartists	0:6b68dac0d986	560	/** @brief Card type defines
embeddedartists	0:6b68dac0d986	561	*/
embeddedartists	0:6b68dac0d986	562	#define CARD_TYPE_SD (1 << 0)
embeddedartists	0:6b68dac0d986	563	#define CARD_TYPE_4BIT (1 << 1)
embeddedartists	0:6b68dac0d986	564	#define CARD_TYPE_8BIT (1 << 2)
embeddedartists	0:6b68dac0d986	565	#define CARD_TYPE_HC (OCR_HC_CCS)/!< high capacity card > 2GB /
embeddedartists	0:6b68dac0d986	566
embeddedartists	0:6b68dac0d986	567	/**
embeddedartists	0:6b68dac0d986	568	* @brief SD/MMC sector size in bytes
embeddedartists	0:6b68dac0d986	569	*/
embeddedartists	0:6b68dac0d986	570	#define MMC_SECTOR_SIZE 512
embeddedartists	0:6b68dac0d986	571
embeddedartists	0:6b68dac0d986	572	/******************************************************************************
embeddedartists	0:6b68dac0d986	573	* External global variables
embeddedartists	0:6b68dac0d986	574	*****************************************************************************/
embeddedartists	0:6b68dac0d986	575
embeddedartists	0:6b68dac0d986	576	/******************************************************************************
embeddedartists	0:6b68dac0d986	577	* Local variables
embeddedartists	0:6b68dac0d986	578	*****************************************************************************/
embeddedartists	0:6b68dac0d986	579
embeddedartists	0:6b68dac0d986	580	static MCIFileSystem* pUglyForIRQ = NULL;
embeddedartists	0:6b68dac0d986	581
embeddedartists	0:6b68dac0d986	582	/******************************************************************************
embeddedartists	0:6b68dac0d986	583	* Local Functions
embeddedartists	0:6b68dac0d986	584	*****************************************************************************/
embeddedartists	0:6b68dac0d986	585
embeddedartists	0:6b68dac0d986	586	static void mymciirq()
embeddedartists	0:6b68dac0d986	587	{
embeddedartists	0:6b68dac0d986	588	pUglyForIRQ->mci_MCIIRQHandler();
embeddedartists	0:6b68dac0d986	589	}
embeddedartists	0:6b68dac0d986	590
embeddedartists	0:6b68dac0d986	591	static void mydmairq()
embeddedartists	0:6b68dac0d986	592	{
embeddedartists	0:6b68dac0d986	593	pUglyForIRQ->mci_DMAIRQHandler();
embeddedartists	0:6b68dac0d986	594	}
embeddedartists	0:6b68dac0d986	595
embeddedartists	0:6b68dac0d986	596	/******************************************************************************
embeddedartists	0:6b68dac0d986	597	* Public Functions
embeddedartists	0:6b68dac0d986	598	*****************************************************************************/
embeddedartists	0:6b68dac0d986	599
embeddedartists	0:6b68dac0d986	600	MCIFileSystem::MCIFileSystem(const char* name, PinName cd) :
embeddedartists	0:6b68dac0d986	601	FATFileSystem(name)
embeddedartists	0:6b68dac0d986	602	{
embeddedartists	0:6b68dac0d986	603	pUglyForIRQ = this;
embeddedartists	0:6b68dac0d986	604
embeddedartists	0:6b68dac0d986	605	_Stat = STA_NOINIT;
embeddedartists	0:6b68dac0d986	606	memset(&_sdCardInfo, 0, sizeof(SDMMC_CARD_T));
embeddedartists	0:6b68dac0d986	607	_eventReceived = false;
embeddedartists	0:6b68dac0d986	608	_eventSuccess = false;
embeddedartists	0:6b68dac0d986	609
embeddedartists	0:6b68dac0d986	610	initMCI();
embeddedartists	0:6b68dac0d986	611
embeddedartists	0:6b68dac0d986	612	if (cd == NC)
embeddedartists	0:6b68dac0d986	613	{
embeddedartists	0:6b68dac0d986	614	_cardDetect = NULL;
embeddedartists	0:6b68dac0d986	615	}
embeddedartists	0:6b68dac0d986	616	else
embeddedartists	0:6b68dac0d986	617	{
embeddedartists	0:6b68dac0d986	618	_cardDetect = new DigitalIn(cd);
embeddedartists	0:6b68dac0d986	619	_cardDetect->mode(PullUp);
embeddedartists	0:6b68dac0d986	620	}
embeddedartists	0:6b68dac0d986	621	}
embeddedartists	0:6b68dac0d986	622
embeddedartists	0:6b68dac0d986	623	MCIFileSystem::~MCIFileSystem()
embeddedartists	0:6b68dac0d986	624	{
embeddedartists	0:6b68dac0d986	625	if (_cardDetect != NULL)
embeddedartists	0:6b68dac0d986	626	{
embeddedartists	0:6b68dac0d986	627	delete _cardDetect;
embeddedartists	0:6b68dac0d986	628	}
embeddedartists	0:6b68dac0d986	629	}
embeddedartists	0:6b68dac0d986	630	void MCIFileSystem::initMCI()
embeddedartists	0:6b68dac0d986	631	{
embeddedartists	0:6b68dac0d986	632	// Pinsel for MCI
embeddedartists	0:6b68dac0d986	633	LPC_IOCON->P1_2 = 2; /* SD_CLK @ P1.2 */
embeddedartists	0:6b68dac0d986	634	LPC_IOCON->P1_3 = 2; /* SD_CMD @ P1.3 */
embeddedartists	0:6b68dac0d986	635	LPC_IOCON->P1_5 = 2 \| (1<<7); /* SD_PWR @ P1.5 - digital mode */
embeddedartists	0:6b68dac0d986	636	LPC_IOCON->P1_6 = 2 \| (1<<7); /* SD_DAT[0] @ P1.6 - digital mode */
embeddedartists	0:6b68dac0d986	637	LPC_IOCON->P1_7 = 2 \| (1<<7); /* SD_DAT[1] @ P1.7 - digital mode */
embeddedartists	0:6b68dac0d986	638	LPC_IOCON->P1_11 = 2; /* SD_DAT[2] @ P1.11 */
embeddedartists	0:6b68dac0d986	639	LPC_IOCON->P1_12 = 2; /* SD_DAT[3] @ P1.12 */
embeddedartists	0:6b68dac0d986	640
embeddedartists	0:6b68dac0d986	641	LPC_SC->PCONP \|= SYSCTL_CLOCK_SDC;
embeddedartists	0:6b68dac0d986	642	LPC_SC->RSTCON0 = (1<<28);
embeddedartists	0:6b68dac0d986	643	LPC_SC->RSTCON0 &= ~(1<<28);
embeddedartists	0:6b68dac0d986	644
embeddedartists	0:6b68dac0d986	645	/* Initialize SDC peripheral */
embeddedartists	0:6b68dac0d986	646	LPC_SC->PCONP \|= SYSCTL_CLOCK_SDC;
embeddedartists	0:6b68dac0d986	647
embeddedartists	0:6b68dac0d986	648	/* Disable SD_CLK */
embeddedartists	0:6b68dac0d986	649	mci_ClockControl(SDC_CLOCK_ENABLE, false);
embeddedartists	0:6b68dac0d986	650
embeddedartists	0:6b68dac0d986	651	/* Power-off */
embeddedartists	0:6b68dac0d986	652	mci_PowerControl(PowerOff, 0);
embeddedartists	0:6b68dac0d986	653	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	654
embeddedartists	0:6b68dac0d986	655	/* Disable all interrupts */
embeddedartists	0:6b68dac0d986	656	LPC_MCI->MASK0 = 0;
embeddedartists	0:6b68dac0d986	657
embeddedartists	0:6b68dac0d986	658	/Setting for timeout problem /
embeddedartists	0:6b68dac0d986	659	LPC_MCI->DATATMR = 0x1FFFFFFF;
embeddedartists	0:6b68dac0d986	660
embeddedartists	0:6b68dac0d986	661	LPC_MCI->COMMAND = 0;
embeddedartists	0:6b68dac0d986	662	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	663
embeddedartists	0:6b68dac0d986	664	LPC_MCI->DATACTRL = 0;
embeddedartists	0:6b68dac0d986	665	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	666
embeddedartists	0:6b68dac0d986	667	/* clear all pending interrupts */
embeddedartists	0:6b68dac0d986	668	LPC_MCI->CLEAR = SDC_CLEAR_ALL;
embeddedartists	0:6b68dac0d986	669
embeddedartists	0:6b68dac0d986	670	/* Power-up SDC Peripheral */
embeddedartists	0:6b68dac0d986	671	mci_PowerControl(PowerUp, 0);
embeddedartists	0:6b68dac0d986	672
embeddedartists	0:6b68dac0d986	673	/* delays for the supply output is stable*/
embeddedartists	0:6b68dac0d986	674	for (uint32_t i = 0; i < 0x80000; i++ ) {}
embeddedartists	0:6b68dac0d986	675
embeddedartists	0:6b68dac0d986	676	mci_SetClock(SDC_IDENT_CLOCK_RATE);
embeddedartists	0:6b68dac0d986	677	mci_ClockControl(SDC_CLOCK_ENABLE, true);
embeddedartists	0:6b68dac0d986	678
embeddedartists	0:6b68dac0d986	679	/* Power-on SDC Interface */
embeddedartists	0:6b68dac0d986	680	mci_PowerControl(PowerOn, 0);
embeddedartists	0:6b68dac0d986	681
embeddedartists	0:6b68dac0d986	682	NVIC_SetVector(MCI_IRQn, (uint32_t) mymciirq);
embeddedartists	0:6b68dac0d986	683	NVIC_EnableIRQ(MCI_IRQn);
embeddedartists	0:6b68dac0d986	684
embeddedartists	38:420cdc281467	685	/* Initialize GPDMA controller */
embeddedartists	38:420cdc281467	686	_eventDmaChannel = GPDMA::instance().acquireChannel(mydmairq);
embeddedartists	0:6b68dac0d986	687	}
embeddedartists	0:6b68dac0d986	688
embeddedartists	0:6b68dac0d986	689	int MCIFileSystem::disk_initialize() {
embeddedartists	0:6b68dac0d986	690
embeddedartists	0:6b68dac0d986	691	debug_if(MCI_DBG, "mcifs:disk_initialize(), _Stat = %#x\n", _Stat);
embeddedartists	0:6b68dac0d986	692
embeddedartists	0:6b68dac0d986	693	if (!cardInserted()) {
embeddedartists	0:6b68dac0d986	694	/* No card in the socket */
embeddedartists	0:6b68dac0d986	695	_Stat = STA_NODISK \| STA_NOINIT;
embeddedartists	0:6b68dac0d986	696	}
embeddedartists	0:6b68dac0d986	697
embeddedartists	0:6b68dac0d986	698	if (_Stat != STA_NOINIT) {
embeddedartists	0:6b68dac0d986	699	return _Stat; /* card is already enumerated */
embeddedartists	0:6b68dac0d986	700	}
embeddedartists	0:6b68dac0d986	701
embeddedartists	0:6b68dac0d986	702	//rtc_init();
embeddedartists	0:6b68dac0d986	703
embeddedartists	0:6b68dac0d986	704	/* Initialize the Card Data Strucutre */
embeddedartists	0:6b68dac0d986	705	memset(&_sdCardInfo, 0, sizeof(SDMMC_CARD_T));
embeddedartists	0:6b68dac0d986	706
embeddedartists	0:6b68dac0d986	707	/* Reset */
embeddedartists	0:6b68dac0d986	708	_Stat = STA_NOINIT;
embeddedartists	0:6b68dac0d986	709
embeddedartists	0:6b68dac0d986	710	/* Enumerate the card once detected. Note this function may block for a little while. */
embeddedartists	0:6b68dac0d986	711	int ret = mci_Acquire();
embeddedartists	0:6b68dac0d986	712	if (ret != 1) {
embeddedartists	0:6b68dac0d986	713	debug("Card Acquire failed... got %d, but expected 1\r\n", ret);
embeddedartists	0:6b68dac0d986	714	return 1;//Stat;
embeddedartists	0:6b68dac0d986	715	}
embeddedartists	0:6b68dac0d986	716
embeddedartists	0:6b68dac0d986	717	_Stat &= ~STA_NOINIT;
embeddedartists	0:6b68dac0d986	718	return _Stat;
embeddedartists	0:6b68dac0d986	719	}
embeddedartists	0:6b68dac0d986	720
embeddedartists	0:6b68dac0d986	721	int MCIFileSystem::disk_write(const uint8_t *buffer, uint64_t block_number, uint8_t count) {
embeddedartists	0:6b68dac0d986	722	debug_if(MCI_DBG, "mcifs:disk_write(%#x, %llu, %u), _Stat = %#x\n", (uint32_t)buffer, block_number, count, _Stat);
embeddedartists	0:6b68dac0d986	723	if (_Stat & STA_NOINIT) {
embeddedartists	0:6b68dac0d986	724	// not ready
embeddedartists	0:6b68dac0d986	725	return 1;
embeddedartists	0:6b68dac0d986	726	}
embeddedartists	0:6b68dac0d986	727	if (mci_WriteBlocks((void*)buffer, block_number, count) == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	728	return 0;
embeddedartists	0:6b68dac0d986	729	}
embeddedartists	0:6b68dac0d986	730
embeddedartists	0:6b68dac0d986	731	return 1;
embeddedartists	0:6b68dac0d986	732	}
embeddedartists	0:6b68dac0d986	733
embeddedartists	0:6b68dac0d986	734	int MCIFileSystem::disk_read(uint8_t *buffer, uint64_t block_number, uint8_t count) {
embeddedartists	0:6b68dac0d986	735	debug_if(MCI_DBG, "mcifs:disk_read(%#x, %llu, %u), _Stat = %#x\n", (uint32_t)buffer, block_number, count, _Stat);
embeddedartists	0:6b68dac0d986	736	if (_Stat & STA_NOINIT) {
embeddedartists	0:6b68dac0d986	737	// not ready
embeddedartists	0:6b68dac0d986	738	return _Stat;
embeddedartists	0:6b68dac0d986	739	}
embeddedartists	0:6b68dac0d986	740	if (mci_ReadBlocks(buffer, block_number, count) == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	741	return 0;
embeddedartists	0:6b68dac0d986	742	}
embeddedartists	0:6b68dac0d986	743
embeddedartists	0:6b68dac0d986	744	return 1;
embeddedartists	0:6b68dac0d986	745	}
embeddedartists	0:6b68dac0d986	746
embeddedartists	0:6b68dac0d986	747	int MCIFileSystem::disk_status()
embeddedartists	0:6b68dac0d986	748	{
embeddedartists	0:6b68dac0d986	749	debug_if(MCI_DBG, "mcifs:disk_status(), _Stat = %#x\n", _Stat);
embeddedartists	0:6b68dac0d986	750	return _Stat;
embeddedartists	0:6b68dac0d986	751	}
embeddedartists	0:6b68dac0d986	752
embeddedartists	0:6b68dac0d986	753	int MCIFileSystem::disk_sync()
embeddedartists	0:6b68dac0d986	754	{
embeddedartists	0:6b68dac0d986	755	debug_if(MCI_DBG, "mcifs:disk_sync(), _Stat = %#x\n", _Stat);
embeddedartists	0:6b68dac0d986	756	uint32_t end = us_ticker_read() + 50*1000; // 50ms
embeddedartists	0:6b68dac0d986	757	while (us_ticker_read() < end)
embeddedartists	0:6b68dac0d986	758	{
embeddedartists	0:6b68dac0d986	759	if (mci_GetCardStatus() & R1_READY_FOR_DATA)
embeddedartists	0:6b68dac0d986	760	{
embeddedartists	0:6b68dac0d986	761	// card is ready
embeddedartists	0:6b68dac0d986	762	return 0;
embeddedartists	0:6b68dac0d986	763	}
embeddedartists	0:6b68dac0d986	764	}
embeddedartists	0:6b68dac0d986	765	// timeout while waiting for card to get ready
embeddedartists	0:6b68dac0d986	766	return 1;
embeddedartists	0:6b68dac0d986	767	}
embeddedartists	0:6b68dac0d986	768
embeddedartists	0:6b68dac0d986	769	uint64_t MCIFileSystem::disk_sectors()
embeddedartists	0:6b68dac0d986	770	{
embeddedartists	0:6b68dac0d986	771	debug_if(MCI_DBG, "mcifs:disk_sectors(), _Stat = %#x, returning %llu\n", _Stat, _sdCardInfo.blocknr);
embeddedartists	0:6b68dac0d986	772	return _sdCardInfo.blocknr;
embeddedartists	0:6b68dac0d986	773	}
embeddedartists	0:6b68dac0d986	774
embeddedartists	0:6b68dac0d986	775	void MCIFileSystem::mci_MCIIRQHandler()
embeddedartists	0:6b68dac0d986	776	{
embeddedartists	0:6b68dac0d986	777	int32_t Ret;
embeddedartists	0:6b68dac0d986	778
embeddedartists	0:6b68dac0d986	779	Ret = mci_IRQHandler(NULL, 0, NULL, 0);
embeddedartists	0:6b68dac0d986	780	if(Ret < 0) {
embeddedartists	0:6b68dac0d986	781	_eventSuccess = false;
embeddedartists	0:6b68dac0d986	782	_eventReceived = true;
embeddedartists	0:6b68dac0d986	783	}
embeddedartists	0:6b68dac0d986	784	}
embeddedartists	0:6b68dac0d986	785
embeddedartists	0:6b68dac0d986	786	void MCIFileSystem::mci_DMAIRQHandler()
embeddedartists	0:6b68dac0d986	787	{
embeddedartists	38:420cdc281467	788	_eventSuccess = LPC_GPDMA->IntTCStat & (1<<_eventDmaChannel);
embeddedartists	0:6b68dac0d986	789	_eventReceived = true;
embeddedartists	38:420cdc281467	790	LPC_GPDMA->IntTCClear = (1<<_eventDmaChannel);
embeddedartists	38:420cdc281467	791	LPC_GPDMA->IntErrClr = (1<<_eventDmaChannel);
embeddedartists	0:6b68dac0d986	792	}
embeddedartists	0:6b68dac0d986	793
embeddedartists	0:6b68dac0d986	794	/******************************************************************************
embeddedartists	0:6b68dac0d986	795	* Private Functions
embeddedartists	0:6b68dac0d986	796	*****************************************************************************/
embeddedartists	0:6b68dac0d986	797
embeddedartists	38:420cdc281467	798	static bool gpdma_transfer_to_mci(GPDMA::DMAChannels ChannelNum,
embeddedartists	38:420cdc281467	799	uint32_t src,
embeddedartists	38:420cdc281467	800	uint32_t Size)
embeddedartists	38:420cdc281467	801	{
embeddedartists	38:420cdc281467	802	GPDMA::GPDMA_Channel_CFG_T cfg;
embeddedartists	38:420cdc281467	803	cfg.ChannelNum = ChannelNum;
embeddedartists	38:420cdc281467	804	cfg.TransferType = GPDMA::FlowControl_M2P_Ctrl_Periph;
embeddedartists	38:420cdc281467	805	cfg.TransferSize = Size;
embeddedartists	38:420cdc281467	806	cfg.TransferWidth = 0;
embeddedartists	38:420cdc281467	807	cfg.SrcAddr = src;
embeddedartists	38:420cdc281467	808	cfg.DstAddr = (uint32_t) (&LPC_MCI->FIFO);
embeddedartists	38:420cdc281467	809
embeddedartists	38:420cdc281467	810	uint32_t ctrl_word =
embeddedartists	38:420cdc281467	811	GPDMA_DMACCxControl_TransferSize((uint32_t) cfg.TransferSize)
embeddedartists	38:420cdc281467	812	\| GPDMA_DMACCxControl_SBSize(GPDMA_BSIZE_8)
embeddedartists	38:420cdc281467	813	\| GPDMA_DMACCxControl_DBSize(GPDMA_BSIZE_8)
embeddedartists	38:420cdc281467	814	\| GPDMA_DMACCxControl_SWidth(GPDMA_WIDTH_WORD)
embeddedartists	38:420cdc281467	815	\| GPDMA_DMACCxControl_DWidth(GPDMA_WIDTH_WORD)
embeddedartists	38:420cdc281467	816	\| GPDMA_DMACCxControl_DestTransUseAHBMaster1
embeddedartists	38:420cdc281467	817	\| GPDMA_DMACCxControl_SI
embeddedartists	38:420cdc281467	818	\| GPDMA_DMACCxControl_I;
embeddedartists	38:420cdc281467	819
embeddedartists	38:420cdc281467	820	/* Select SD card interface in the DMA MUX*/
embeddedartists	38:420cdc281467	821	LPC_SC->DMAREQSEL &= ~(1 << 1);
embeddedartists	38:420cdc281467	822
embeddedartists	38:420cdc281467	823	return GPDMA::instance().transfer(&cfg, ctrl_word, 0, GPDMA_CONN_MEMORY, GPDMA_CONN_SDC);
embeddedartists	38:420cdc281467	824	}
embeddedartists	38:420cdc281467	825
embeddedartists	38:420cdc281467	826	static bool gpdma_transfer_from_mci(GPDMA::DMAChannels ChannelNum,
embeddedartists	38:420cdc281467	827	uint32_t dst,
embeddedartists	38:420cdc281467	828	uint32_t Size)
embeddedartists	38:420cdc281467	829	{
embeddedartists	38:420cdc281467	830	GPDMA::GPDMA_Channel_CFG_T cfg;
embeddedartists	38:420cdc281467	831	cfg.ChannelNum = ChannelNum;
embeddedartists	38:420cdc281467	832	cfg.TransferType = GPDMA::FlowControl_P2M_Ctrl_Periph;
embeddedartists	38:420cdc281467	833	cfg.TransferSize = Size;
embeddedartists	38:420cdc281467	834	cfg.TransferWidth = 0;
embeddedartists	38:420cdc281467	835	cfg.SrcAddr = (uint32_t) (&LPC_MCI->FIFO);
embeddedartists	38:420cdc281467	836	cfg.DstAddr = dst;
embeddedartists	38:420cdc281467	837
embeddedartists	38:420cdc281467	838	uint32_t ctrl_word =
embeddedartists	38:420cdc281467	839	GPDMA_DMACCxControl_TransferSize((uint32_t) cfg.TransferSize)
embeddedartists	38:420cdc281467	840	\| GPDMA_DMACCxControl_SBSize(GPDMA_BSIZE_8)
embeddedartists	38:420cdc281467	841	\| GPDMA_DMACCxControl_DBSize(GPDMA_BSIZE_8)
embeddedartists	38:420cdc281467	842	\| GPDMA_DMACCxControl_SWidth(GPDMA_WIDTH_WORD)
embeddedartists	38:420cdc281467	843	\| GPDMA_DMACCxControl_DWidth(GPDMA_WIDTH_WORD)
embeddedartists	38:420cdc281467	844	\| GPDMA_DMACCxControl_SrcTransUseAHBMaster1
embeddedartists	38:420cdc281467	845	\| GPDMA_DMACCxControl_DI
embeddedartists	38:420cdc281467	846	\| GPDMA_DMACCxControl_I;
embeddedartists	38:420cdc281467	847
embeddedartists	38:420cdc281467	848	/* Select SD card interface in the DMA MUX*/
embeddedartists	38:420cdc281467	849	LPC_SC->DMAREQSEL &= ~(1 << 1);
embeddedartists	38:420cdc281467	850
embeddedartists	38:420cdc281467	851	return GPDMA::instance().transfer(&cfg, ctrl_word, 0, GPDMA_CONN_SDC, GPDMA_CONN_MEMORY);
embeddedartists	38:420cdc281467	852	}
embeddedartists	38:420cdc281467	853
embeddedartists	0:6b68dac0d986	854	bool MCIFileSystem::cardInserted() const
embeddedartists	0:6b68dac0d986	855	{
embeddedartists	0:6b68dac0d986	856	// If no card detect pin is given, then assume that a card is inserted.
embeddedartists	0:6b68dac0d986	857	// If a pin is specified then use that to determing the presence of a card.
embeddedartists	0:6b68dac0d986	858	return ((_cardDetect == NULL) \|\| (_cardDetect->read() == 0));
embeddedartists	0:6b68dac0d986	859	}
embeddedartists	0:6b68dac0d986	860
embeddedartists	0:6b68dac0d986	861
embeddedartists	0:6b68dac0d986	862
embeddedartists	0:6b68dac0d986	863	int32_t MCIFileSystem::mci_Acquire()
embeddedartists	0:6b68dac0d986	864	{
embeddedartists	0:6b68dac0d986	865	int32_t Ret;
embeddedartists	0:6b68dac0d986	866
embeddedartists	0:6b68dac0d986	867	/* Initialize card info */
embeddedartists	0:6b68dac0d986	868	_sdCardInfo.speed = SDC_TRAN_CLOCK_RATE;
embeddedartists	0:6b68dac0d986	869	_sdCardInfo.card_type = 0;
embeddedartists	0:6b68dac0d986	870
embeddedartists	0:6b68dac0d986	871	/* During identification phase, the clock should be less than
embeddedartists	0:6b68dac0d986	872	400Khz. Once we pass this phase, the normal clock can be set up
embeddedartists	0:6b68dac0d986	873	to 25Mhz on SD card and 20Mhz on MMC card. */
embeddedartists	0:6b68dac0d986	874	mci_SetClock(SDC_IDENT_CLOCK_RATE);
embeddedartists	0:6b68dac0d986	875
embeddedartists	0:6b68dac0d986	876	/* Clear Open Drain output control for SD */
embeddedartists	0:6b68dac0d986	877	mci_PowerControl(PowerOn, 0);
embeddedartists	0:6b68dac0d986	878
embeddedartists	0:6b68dac0d986	879	/* Card Reset */
embeddedartists	0:6b68dac0d986	880	Ret = mci_ExecuteCmd(SD_GO_IDLE_STATE, 0, NULL);
embeddedartists	0:6b68dac0d986	881	if (Ret != 0) {
embeddedartists	0:6b68dac0d986	882	return Ret;
embeddedartists	0:6b68dac0d986	883	}
embeddedartists	0:6b68dac0d986	884
embeddedartists	31:d47cffcb0a3e	885	Thread::wait(ACQUIRE_DELAY);
embeddedartists	0:6b68dac0d986	886
embeddedartists	0:6b68dac0d986	887	/* Send interface operation condiftion */
embeddedartists	0:6b68dac0d986	888	Ret = mci_SendIfCond();
embeddedartists	0:6b68dac0d986	889	if (Ret == SDC_RET_BAD_PARAMETERS) {
embeddedartists	0:6b68dac0d986	890	return Ret; /* Non-compatible voltage range or check pattern is not correct */
embeddedartists	0:6b68dac0d986	891
embeddedartists	0:6b68dac0d986	892	}
embeddedartists	0:6b68dac0d986	893	/* Get Card Type */
embeddedartists	0:6b68dac0d986	894	if (Ret == SDC_RET_OK) {/* Ver2.00 or later SD Memory Card*/
embeddedartists	0:6b68dac0d986	895	bool CCS;
embeddedartists	0:6b68dac0d986	896	uint32_t OCR = SDC_OCR_27_36;
embeddedartists	0:6b68dac0d986	897	_sdCardInfo.card_type \|= CARD_TYPE_SD;
embeddedartists	0:6b68dac0d986	898	Ret = mci_SendAppOpCond(0, true, &OCR, &CCS);
embeddedartists	0:6b68dac0d986	899	if (CCS) { /* High Capacity or Extended Capacity SD Memory Card */
embeddedartists	0:6b68dac0d986	900	_sdCardInfo.card_type \|= CARD_TYPE_HC;
embeddedartists	0:6b68dac0d986	901	}
embeddedartists	0:6b68dac0d986	902	}
embeddedartists	0:6b68dac0d986	903	else { /*Ver2.00 or later SD Memory Card(voltage mismatch) or Ver1.X SD Memory Card
embeddedartists	0:6b68dac0d986	904	or not SD Memory Card*/
embeddedartists	0:6b68dac0d986	905	bool CCS;
embeddedartists	0:6b68dac0d986	906	uint32_t OCR = SDC_OCR_27_36;
embeddedartists	0:6b68dac0d986	907	Ret = mci_SendAppOpCond(0, false, &OCR, &CCS);
embeddedartists	0:6b68dac0d986	908	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	909	_sdCardInfo.card_type \|= CARD_TYPE_SD;
embeddedartists	0:6b68dac0d986	910	}
embeddedartists	0:6b68dac0d986	911	else if (Ret == SDC_RET_BAD_PARAMETERS) {
embeddedartists	0:6b68dac0d986	912	return Ret;
embeddedartists	0:6b68dac0d986	913	}
embeddedartists	0:6b68dac0d986	914	else { /* MMC Card setup */
embeddedartists	0:6b68dac0d986	915	uint32_t OCR;
embeddedartists	0:6b68dac0d986	916	/* Enter to Open Drain mode */
embeddedartists	0:6b68dac0d986	917	mci_PowerControl(PowerOn, SDC_PWR_OPENDRAIN);
embeddedartists	31:d47cffcb0a3e	918	Thread::wait(ACQUIRE_DELAY);
embeddedartists	0:6b68dac0d986	919	Ret = mci_SendOpCond(&OCR);
embeddedartists	0:6b68dac0d986	920	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	921	return Ret;
embeddedartists	0:6b68dac0d986	922	}
embeddedartists	0:6b68dac0d986	923
embeddedartists	0:6b68dac0d986	924	}
embeddedartists	0:6b68dac0d986	925	}
embeddedartists	0:6b68dac0d986	926
embeddedartists	0:6b68dac0d986	927	/* Read CID */
embeddedartists	0:6b68dac0d986	928	mci_GetCID(_sdCardInfo.cid);
embeddedartists	0:6b68dac0d986	929
embeddedartists	0:6b68dac0d986	930	/* RCA send, for SD get RCA */
embeddedartists	0:6b68dac0d986	931	if (_sdCardInfo.card_type & CARD_TYPE_SD) {
embeddedartists	0:6b68dac0d986	932	mci_GetAddr(&_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	933	}
embeddedartists	0:6b68dac0d986	934	else {
embeddedartists	0:6b68dac0d986	935	_sdCardInfo.rca = 1;
embeddedartists	0:6b68dac0d986	936	mci_SetAddr(_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	937	mci_PowerControl(PowerOn, 0); /* enter to push-pull mode */
embeddedartists	0:6b68dac0d986	938	}
embeddedartists	0:6b68dac0d986	939
embeddedartists	0:6b68dac0d986	940	/* Get CSD */
embeddedartists	0:6b68dac0d986	941	mci_GetCSD(_sdCardInfo.rca, _sdCardInfo.csd);
embeddedartists	0:6b68dac0d986	942
embeddedartists	0:6b68dac0d986	943	/* Compute card size, block size and no. of blocks based on CSD response recived. */
embeddedartists	0:6b68dac0d986	944	if (_sdCardInfo.cid[0]) {
embeddedartists	0:6b68dac0d986	945	mci_ProcessCSD();
embeddedartists	0:6b68dac0d986	946
embeddedartists	0:6b68dac0d986	947	if (mci_SetTranState(_sdCardInfo.rca) != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	948	return 0;
embeddedartists	0:6b68dac0d986	949	}
embeddedartists	0:6b68dac0d986	950
embeddedartists	0:6b68dac0d986	951	if (mci_GetCardState() != SDMMC_TRAN_ST) {
embeddedartists	0:6b68dac0d986	952	return 0;
embeddedartists	0:6b68dac0d986	953	}
embeddedartists	0:6b68dac0d986	954
embeddedartists	0:6b68dac0d986	955	if (mci_SetCardParams() != 0) {
embeddedartists	0:6b68dac0d986	956	return 0;
embeddedartists	0:6b68dac0d986	957	}
embeddedartists	0:6b68dac0d986	958	}
embeddedartists	0:6b68dac0d986	959
embeddedartists	0:6b68dac0d986	960	return (_sdCardInfo.cid[0]) ? 1 : 0;
embeddedartists	0:6b68dac0d986	961	}
embeddedartists	0:6b68dac0d986	962
embeddedartists	0:6b68dac0d986	963	uint32_t MCIFileSystem::mci_GetCardStatus() const
embeddedartists	0:6b68dac0d986	964	{
embeddedartists	0:6b68dac0d986	965	uint32_t Status;
embeddedartists	0:6b68dac0d986	966	mci_GetStatus(_sdCardInfo.rca, &Status);
embeddedartists	0:6b68dac0d986	967	return Status;
embeddedartists	0:6b68dac0d986	968	}
embeddedartists	0:6b68dac0d986	969
embeddedartists	0:6b68dac0d986	970	MCIFileSystem::CardState MCIFileSystem::mci_GetCardState() const
embeddedartists	0:6b68dac0d986	971	{
embeddedartists	0:6b68dac0d986	972	uint32_t Status;
embeddedartists	0:6b68dac0d986	973	volatile int32_t Ret;
embeddedartists	0:6b68dac0d986	974
embeddedartists	0:6b68dac0d986	975	/* get current state of the card */
embeddedartists	0:6b68dac0d986	976	Ret = mci_GetStatus(_sdCardInfo.rca, &Status);
embeddedartists	0:6b68dac0d986	977
embeddedartists	0:6b68dac0d986	978	/* check card state in response */
embeddedartists	0:6b68dac0d986	979	return (CardState) R1_CURRENT_STATE(Status);
embeddedartists	0:6b68dac0d986	980	}
embeddedartists	0:6b68dac0d986	981
embeddedartists	0:6b68dac0d986	982	MCIFileSystem::ReturnCode MCIFileSystem::mci_StopTransmission(uint32_t rca) const
embeddedartists	0:6b68dac0d986	983	{
embeddedartists	0:6b68dac0d986	984	uint32_t Status;
embeddedartists	0:6b68dac0d986	985	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	986	response_t Response;
embeddedartists	0:6b68dac0d986	987	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	988
embeddedartists	0:6b68dac0d986	989	Ret = mci_GetStatus(rca, &Status);
embeddedartists	0:6b68dac0d986	990	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	991	return SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	992	}
embeddedartists	0:6b68dac0d986	993
embeddedartists	0:6b68dac0d986	994	if (R1_CURRENT_STATE(Status) == SDMMC_TRAN_ST) {
embeddedartists	0:6b68dac0d986	995	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	996	}
embeddedartists	0:6b68dac0d986	997
embeddedartists	0:6b68dac0d986	998	if ((R1_CURRENT_STATE(Status) != SDMMC_DATA_ST) &&
embeddedartists	0:6b68dac0d986	999	(R1_CURRENT_STATE(Status) != SDMMC_RCV_ST)) {
embeddedartists	0:6b68dac0d986	1000	return SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	1001	}
embeddedartists	0:6b68dac0d986	1002
embeddedartists	0:6b68dac0d986	1003	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1004	Ret = mci_ExecuteCmd(SD_CMD12_STOP_TRANSMISSION, 0, &Response);
embeddedartists	0:6b68dac0d986	1005	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1006	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1007	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1008	return Ret;
embeddedartists	0:6b68dac0d986	1009	}
embeddedartists	0:6b68dac0d986	1010	Ret = mci_GetStatus(rca, &Status);
embeddedartists	0:6b68dac0d986	1011	if ((R1_CURRENT_STATE(Status) == SDMMC_TRAN_ST) \|\| (R1_CURRENT_STATE(Status) == SDMMC_PRG_ST)) {
embeddedartists	0:6b68dac0d986	1012	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1013	}
embeddedartists	0:6b68dac0d986	1014	return SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	1015	}
embeddedartists	0:6b68dac0d986	1016	}
embeddedartists	0:6b68dac0d986	1017	RetryCnt--;
embeddedartists	0:6b68dac0d986	1018	}
embeddedartists	0:6b68dac0d986	1019	return Ret;
embeddedartists	0:6b68dac0d986	1020	}
embeddedartists	0:6b68dac0d986	1021
embeddedartists	0:6b68dac0d986	1022	MCIFileSystem::ReturnCode MCIFileSystem::mci_ReadBlocks(void *buffer, int32_t startBlock, int32_t blockNum)
embeddedartists	0:6b68dac0d986	1023	{
embeddedartists	0:6b68dac0d986	1024	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1025	int32_t ByteNum = blockNum * MMC_SECTOR_SIZE;
embeddedartists	0:6b68dac0d986	1026
embeddedartists	0:6b68dac0d986	1027	do
embeddedartists	0:6b68dac0d986	1028	{
embeddedartists	0:6b68dac0d986	1029	/* if card is not acquired return immediately */
embeddedartists	0:6b68dac0d986	1030	if (( startBlock < 0) \|\| ( (startBlock + blockNum) > _sdCardInfo.blocknr) ) {
embeddedartists	0:6b68dac0d986	1031	Ret = SDC_RET_NOT_READY;
embeddedartists	0:6b68dac0d986	1032	break;
embeddedartists	0:6b68dac0d986	1033	}
embeddedartists	0:6b68dac0d986	1034
embeddedartists	0:6b68dac0d986	1035	/* Put to tran state */
embeddedartists	0:6b68dac0d986	1036	Ret = mci_SetTranState(_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	1037	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1038	break;
embeddedartists	0:6b68dac0d986	1039	}
embeddedartists	0:6b68dac0d986	1040
embeddedartists	0:6b68dac0d986	1041	LPC_MCI->MASK0 = SDC_MASK0_DATA \| SDC_MASK0_RXDATAERR;
embeddedartists	0:6b68dac0d986	1042
embeddedartists	0:6b68dac0d986	1043	/* DMA Setup */
embeddedartists	38:420cdc281467	1044	mci_SetupEventWakeup();
embeddedartists	38:420cdc281467	1045	gpdma_transfer_from_mci(_eventDmaChannel, (uint32_t)buffer, ByteNum);
embeddedartists	0:6b68dac0d986	1046
embeddedartists	0:6b68dac0d986	1047	/* set transfer information */
embeddedartists	0:6b68dac0d986	1048	mci_SetDataTransfer(blockNum, true, DATA_TIMER_VALUE_R);
embeddedartists	0:6b68dac0d986	1049
embeddedartists	0:6b68dac0d986	1050	Ret = _readBlocks(_sdCardInfo.card_type, startBlock, blockNum);
embeddedartists	0:6b68dac0d986	1051	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1052	/* Wait for transfer Finish */
embeddedartists	0:6b68dac0d986	1053	if (mci_WaitForEvent() != 0) {
embeddedartists	0:6b68dac0d986	1054	Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1055	}
embeddedartists	0:6b68dac0d986	1056	} else {
embeddedartists	0:6b68dac0d986	1057	Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1058	}
embeddedartists	0:6b68dac0d986	1059
embeddedartists	38:420cdc281467	1060	GPDMA::instance().stopTransfer(_eventDmaChannel);
embeddedartists	0:6b68dac0d986	1061
embeddedartists	0:6b68dac0d986	1062	if ((blockNum > 1) \|\| (mci_GetCardState() == SDMMC_DATA_ST)) {
embeddedartists	0:6b68dac0d986	1063	/* Send Stop transmission command */
embeddedartists	0:6b68dac0d986	1064	mci_StopTransmission(_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	1065	}
embeddedartists	0:6b68dac0d986	1066
embeddedartists	0:6b68dac0d986	1067	/* Wait for card to enter tran state */
embeddedartists	0:6b68dac0d986	1068	while (mci_GetCardState() != SDMMC_TRAN_ST) {}
embeddedartists	0:6b68dac0d986	1069
embeddedartists	0:6b68dac0d986	1070	} while(false);
embeddedartists	0:6b68dac0d986	1071
embeddedartists	0:6b68dac0d986	1072	return Ret;
embeddedartists	0:6b68dac0d986	1073	}
embeddedartists	0:6b68dac0d986	1074
embeddedartists	0:6b68dac0d986	1075	MCIFileSystem::ReturnCode MCIFileSystem::mci_WriteBlocks(void *buffer, int32_t startBlock, int32_t blockNum)
embeddedartists	0:6b68dac0d986	1076	{
embeddedartists	0:6b68dac0d986	1077	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1078
embeddedartists	0:6b68dac0d986	1079	do
embeddedartists	0:6b68dac0d986	1080	{
embeddedartists	0:6b68dac0d986	1081	/* if card is not acquired return immediately */
embeddedartists	0:6b68dac0d986	1082	if (( startBlock < 0) \|\| ( (startBlock + blockNum) > _sdCardInfo.blocknr) ) {
embeddedartists	0:6b68dac0d986	1083	Ret = SDC_RET_NOT_READY;
embeddedartists	0:6b68dac0d986	1084	break;
embeddedartists	0:6b68dac0d986	1085	}
embeddedartists	0:6b68dac0d986	1086
embeddedartists	0:6b68dac0d986	1087	/* Put to tran state */
embeddedartists	0:6b68dac0d986	1088	Ret = mci_SetTranState(_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	1089	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1090	break;
embeddedartists	0:6b68dac0d986	1091	}
embeddedartists	0:6b68dac0d986	1092
embeddedartists	0:6b68dac0d986	1093	Ret = _writeBlocks(_sdCardInfo.card_type, startBlock, blockNum);
embeddedartists	0:6b68dac0d986	1094	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1095	break;
embeddedartists	0:6b68dac0d986	1096	}
embeddedartists	0:6b68dac0d986	1097
embeddedartists	0:6b68dac0d986	1098	/Wait for card enter to rcv state/
embeddedartists	0:6b68dac0d986	1099	while (mci_GetCardState() != SDMMC_RCV_ST) {}
embeddedartists	0:6b68dac0d986	1100
embeddedartists	0:6b68dac0d986	1101	LPC_MCI->MASK0 = SDC_MASK0_DATA \| SDC_MASK0_TXDATAERR;
embeddedartists	0:6b68dac0d986	1102
embeddedartists	0:6b68dac0d986	1103	/* DMA Setup */
embeddedartists	38:420cdc281467	1104	mci_SetupEventWakeup();
embeddedartists	38:420cdc281467	1105	gpdma_transfer_to_mci(_eventDmaChannel, (uint32_t)buffer, blockNum*MMC_SECTOR_SIZE);
embeddedartists	0:6b68dac0d986	1106
embeddedartists	0:6b68dac0d986	1107	/* set transfer information */
embeddedartists	0:6b68dac0d986	1108	mci_SetDataTransfer(blockNum, false, DATA_TIMER_VALUE_W);
embeddedartists	0:6b68dac0d986	1109
embeddedartists	0:6b68dac0d986	1110	/* Wait for transfer done */
embeddedartists	0:6b68dac0d986	1111	if (mci_WaitForEvent() != 0) {
embeddedartists	0:6b68dac0d986	1112	Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1113	}
embeddedartists	0:6b68dac0d986	1114
embeddedartists	0:6b68dac0d986	1115	if ((blockNum > 1) \|\| (mci_GetCardState() == SDMMC_RCV_ST)) {
embeddedartists	0:6b68dac0d986	1116	/* Send Stop transmission command */
embeddedartists	0:6b68dac0d986	1117	mci_StopTransmission(_sdCardInfo.rca);
embeddedartists	0:6b68dac0d986	1118	}
embeddedartists	0:6b68dac0d986	1119
embeddedartists	0:6b68dac0d986	1120	/* Wait for card to enter tran state */
embeddedartists	0:6b68dac0d986	1121	while (mci_GetCardState() != SDMMC_TRAN_ST) {}
embeddedartists	0:6b68dac0d986	1122
embeddedartists	0:6b68dac0d986	1123	} while (false);
embeddedartists	0:6b68dac0d986	1124
embeddedartists	0:6b68dac0d986	1125	return Ret;
embeddedartists	0:6b68dac0d986	1126	}
embeddedartists	0:6b68dac0d986	1127
embeddedartists	0:6b68dac0d986	1128	void MCIFileSystem::mci_SetClock(uint32_t freq) const
embeddedartists	0:6b68dac0d986	1129	{
embeddedartists	0:6b68dac0d986	1130	uint32_t PClk;
embeddedartists	0:6b68dac0d986	1131	uint32_t ClkValue = 0;
embeddedartists	0:6b68dac0d986	1132
embeddedartists	0:6b68dac0d986	1133	PClk = PeripheralClock;
embeddedartists	0:6b68dac0d986	1134
embeddedartists	0:6b68dac0d986	1135	ClkValue = (PClk + 2 * freq - 1) / (2 * freq);
embeddedartists	0:6b68dac0d986	1136	if (ClkValue > 0) {
embeddedartists	0:6b68dac0d986	1137	ClkValue -= 1;
embeddedartists	0:6b68dac0d986	1138	}
embeddedartists	0:6b68dac0d986	1139	uint32_t temp;
embeddedartists	0:6b68dac0d986	1140	temp = (LPC_MCI->CLOCK & (~SDC_CLOCK_CLKDIV_BITMASK));
embeddedartists	0:6b68dac0d986	1141	LPC_MCI->CLOCK = temp \| (SDC_CLOCK_CLKDIV(ClkValue));
embeddedartists	0:6b68dac0d986	1142	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1143	}
embeddedartists	0:6b68dac0d986	1144
embeddedartists	0:6b68dac0d986	1145	void MCIFileSystem::mci_ClockControl(ClockControl ctrlType, bool enable) const
embeddedartists	0:6b68dac0d986	1146	{
embeddedartists	0:6b68dac0d986	1147	if (enable) {
embeddedartists	0:6b68dac0d986	1148	LPC_MCI->CLOCK \|= (1 << ctrlType);
embeddedartists	0:6b68dac0d986	1149	}
embeddedartists	0:6b68dac0d986	1150	else {
embeddedartists	0:6b68dac0d986	1151	LPC_MCI->CLOCK &= (~(1 << ctrlType));
embeddedartists	0:6b68dac0d986	1152	}
embeddedartists	0:6b68dac0d986	1153	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1154	}
embeddedartists	0:6b68dac0d986	1155
embeddedartists	0:6b68dac0d986	1156	void MCIFileSystem::mci_PowerControl(power_ctrl_t powerMode, uint32_t flag) const
embeddedartists	0:6b68dac0d986	1157	{
embeddedartists	0:6b68dac0d986	1158	LPC_MCI->POWER = (powerMode & 0x3) \| flag;
embeddedartists	0:6b68dac0d986	1159	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1160	}
embeddedartists	0:6b68dac0d986	1161
embeddedartists	0:6b68dac0d986	1162	MCIFileSystem::ReturnCode MCIFileSystem::mci_ExecuteCmd(uint32_t Command, uint32_t Arg, response_t* pResp) const
embeddedartists	0:6b68dac0d986	1163	{
embeddedartists	0:6b68dac0d986	1164	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1165
embeddedartists	0:6b68dac0d986	1166	/* Send Command to card */
embeddedartists	0:6b68dac0d986	1167	Ret = mci_SendCmd(Command, Arg, CMD_TIMEOUT);
embeddedartists	0:6b68dac0d986	1168	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1169	return Ret;
embeddedartists	0:6b68dac0d986	1170	}
embeddedartists	0:6b68dac0d986	1171
embeddedartists	0:6b68dac0d986	1172	/* Get response (if any) */
embeddedartists	0:6b68dac0d986	1173	if ((Command & SDC_COMMAND_RSP_BITMASK) != SDC_COMMAND_NO_RSP) {
embeddedartists	0:6b68dac0d986	1174
embeddedartists	0:6b68dac0d986	1175	mci_GetResp(pResp);
embeddedartists	0:6b68dac0d986	1176
embeddedartists	0:6b68dac0d986	1177	/* If the response is not R1, in the response field, the Expected Cmd data
embeddedartists	0:6b68dac0d986	1178	won't be the same as the CMD data in SendCmd(). Below four cmds have
embeddedartists	0:6b68dac0d986	1179	R2 or R3 response. We don't need to check if MCI_RESP_CMD is the same
embeddedartists	0:6b68dac0d986	1180	as the Expected or not. */
embeddedartists	0:6b68dac0d986	1181	if ((SDC_COMMAND_INDEX(Command) != MMC_SEND_OP_COND) &&
embeddedartists	0:6b68dac0d986	1182	(SDC_COMMAND_INDEX(Command) != SD_APP_OP_COND) &&
embeddedartists	0:6b68dac0d986	1183	(SDC_COMMAND_INDEX(Command) != MMC_ALL_SEND_CID) &&
embeddedartists	0:6b68dac0d986	1184	(SDC_COMMAND_INDEX(Command) != MMC_SEND_CSD) &&
embeddedartists	0:6b68dac0d986	1185	(pResp->CmdIndex != SDC_COMMAND_INDEX(Command))) {
embeddedartists	0:6b68dac0d986	1186	return SDC_RET_CMD_FAILED;
embeddedartists	0:6b68dac0d986	1187	}
embeddedartists	0:6b68dac0d986	1188	}
embeddedartists	0:6b68dac0d986	1189
embeddedartists	0:6b68dac0d986	1190	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1191	}
embeddedartists	0:6b68dac0d986	1192
embeddedartists	0:6b68dac0d986	1193	MCIFileSystem::ReturnCode MCIFileSystem::mci_SendIfCond() const
embeddedartists	0:6b68dac0d986	1194	{
embeddedartists	0:6b68dac0d986	1195	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1196	response_t Response;
embeddedartists	0:6b68dac0d986	1197	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1198
embeddedartists	0:6b68dac0d986	1199	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1200	Ret = mci_ExecuteCmd(SD_CMD8_SEND_IF_COND, (CMD8_VOLTAGESUPPLIED_27_36 \| CMD8_CHECKPATTERN(
embeddedartists	0:6b68dac0d986	1201	CMD8_DEF_PATTERN)), &Response);
embeddedartists	0:6b68dac0d986	1202	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1203	if ((Response.Data[0] & CMDRESP_R7_VOLTAGE_ACCEPTED) &&
embeddedartists	0:6b68dac0d986	1204	(CMDRESP_R7_CHECK_PATTERN(Response.Data[0]) == CMD8_DEF_PATTERN)) {
embeddedartists	0:6b68dac0d986	1205	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1206	}
embeddedartists	0:6b68dac0d986	1207	return SDC_RET_BAD_PARAMETERS;
embeddedartists	0:6b68dac0d986	1208	}
embeddedartists	0:6b68dac0d986	1209	RetryCnt--;
embeddedartists	0:6b68dac0d986	1210	}
embeddedartists	0:6b68dac0d986	1211	return Ret;
embeddedartists	0:6b68dac0d986	1212	}
embeddedartists	0:6b68dac0d986	1213
embeddedartists	0:6b68dac0d986	1214	MCIFileSystem::ReturnCode MCIFileSystem::mci_SendOpCond(uint32_t *pOCR) const
embeddedartists	0:6b68dac0d986	1215	{
embeddedartists	0:6b68dac0d986	1216	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1217	response_t Response;
embeddedartists	0:6b68dac0d986	1218	uint32_t RetryCnt = 0x200;
embeddedartists	0:6b68dac0d986	1219
embeddedartists	0:6b68dac0d986	1220	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1221	Ret = mci_ExecuteCmd(SD_CMD1_SEND_OP_COND, SDC_OCR_27_36, &Response);
embeddedartists	0:6b68dac0d986	1222	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1223	*pOCR = Response.Data[0];
embeddedartists	0:6b68dac0d986	1224	if (*pOCR & SDC_OCR_IDLE) {
embeddedartists	0:6b68dac0d986	1225	if ((Response.Data[0] & SDC_OCR_27_36) != SDC_OCR_27_36) {
embeddedartists	0:6b68dac0d986	1226	return SDC_RET_BAD_PARAMETERS;
embeddedartists	0:6b68dac0d986	1227	}
embeddedartists	0:6b68dac0d986	1228	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1229	}
embeddedartists	0:6b68dac0d986	1230	}
embeddedartists	0:6b68dac0d986	1231	RetryCnt--;
embeddedartists	0:6b68dac0d986	1232	}
embeddedartists	0:6b68dac0d986	1233	return SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1234	}
embeddedartists	0:6b68dac0d986	1235
embeddedartists	0:6b68dac0d986	1236	MCIFileSystem::ReturnCode MCIFileSystem::mci_SendAppOpCond(uint16_t rca, bool hcs, uint32_t pOcr, bool pCCS) const
embeddedartists	0:6b68dac0d986	1237	{
embeddedartists	0:6b68dac0d986	1238	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1239	response_t Response;
embeddedartists	0:6b68dac0d986	1240	uint32_t Argument;
embeddedartists	0:6b68dac0d986	1241	uint32_t RetryCnt = 0x2000; /* The host repeatedly issues ACMD41 for at least 1 second or
embeddedartists	0:6b68dac0d986	1242	until the busy bit are set to 1 */
embeddedartists	0:6b68dac0d986	1243
embeddedartists	0:6b68dac0d986	1244	Argument = ACMD41_OCR(*pOcr);
embeddedartists	0:6b68dac0d986	1245	if (hcs) {
embeddedartists	0:6b68dac0d986	1246	Argument \|= ACMD41_HCS;
embeddedartists	0:6b68dac0d986	1247	}
embeddedartists	0:6b68dac0d986	1248
embeddedartists	0:6b68dac0d986	1249	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1250	Ret = mci_SendAppCmd(rca);
embeddedartists	0:6b68dac0d986	1251	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1252	Ret = mci_ExecuteCmd(SD_ACMD41_SD_SEND_OP_COND, Argument, &Response);
embeddedartists	0:6b68dac0d986	1253	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1254	if (Response.Data[0] & CMDRESP_R3_INIT_COMPLETE) {
embeddedartists	0:6b68dac0d986	1255	if (*pOcr == 0) {
embeddedartists	0:6b68dac0d986	1256	*pOcr = CMDRESP_R3_OCR_VAL(Response.Data[0]);
embeddedartists	0:6b68dac0d986	1257	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1258	}
embeddedartists	0:6b68dac0d986	1259	if ((CMDRESP_R3_OCR_VAL(Response.Data[0]) & pOcr) != pOcr) {
embeddedartists	0:6b68dac0d986	1260	return SDC_RET_BAD_PARAMETERS;
embeddedartists	0:6b68dac0d986	1261	}
embeddedartists	0:6b68dac0d986	1262	*pCCS = (Response.Data[0] & CMDRESP_R3_HC_CCS) ? true : false;
embeddedartists	0:6b68dac0d986	1263	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1264	}
embeddedartists	0:6b68dac0d986	1265	}
embeddedartists	0:6b68dac0d986	1266	}
embeddedartists	0:6b68dac0d986	1267	else {
embeddedartists	0:6b68dac0d986	1268	//If we abort here then some cards will go undetected, better to keep retrying
embeddedartists	0:6b68dac0d986	1269	//return Ret;
embeddedartists	0:6b68dac0d986	1270	}
embeddedartists	0:6b68dac0d986	1271	RetryCnt--;
embeddedartists	0:6b68dac0d986	1272	}
embeddedartists	0:6b68dac0d986	1273	return SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1274	}
embeddedartists	0:6b68dac0d986	1275
embeddedartists	0:6b68dac0d986	1276	MCIFileSystem::ReturnCode MCIFileSystem::mci_GetCID(uint32_t *pCID) const
embeddedartists	0:6b68dac0d986	1277	{
embeddedartists	0:6b68dac0d986	1278	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1279	response_t Response;
embeddedartists	0:6b68dac0d986	1280	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1281
embeddedartists	0:6b68dac0d986	1282	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1283	Ret = mci_ExecuteCmd(SD_CMD2_ALL_SEND_CID, 0, &Response);
embeddedartists	0:6b68dac0d986	1284	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1285	pCID[3] = Response.Data[0];
embeddedartists	0:6b68dac0d986	1286	pCID[2] = Response.Data[1];
embeddedartists	0:6b68dac0d986	1287	pCID[1] = Response.Data[2];
embeddedartists	0:6b68dac0d986	1288	pCID[0] = Response.Data[3];
embeddedartists	0:6b68dac0d986	1289	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1290	}
embeddedartists	0:6b68dac0d986	1291	RetryCnt--;
embeddedartists	0:6b68dac0d986	1292	}
embeddedartists	0:6b68dac0d986	1293	return Ret;
embeddedartists	0:6b68dac0d986	1294	}
embeddedartists	0:6b68dac0d986	1295
embeddedartists	0:6b68dac0d986	1296	MCIFileSystem::ReturnCode MCIFileSystem::mci_SetAddr(uint16_t addr) const
embeddedartists	0:6b68dac0d986	1297	{
embeddedartists	0:6b68dac0d986	1298	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1299	response_t Response;
embeddedartists	0:6b68dac0d986	1300	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1301
embeddedartists	0:6b68dac0d986	1302	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1303	Ret = mci_ExecuteCmd(SD_CMD3_SET_RELATIVE_ADDR, CMD3_RCA(addr), &Response);
embeddedartists	0:6b68dac0d986	1304	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1305	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1306	return Ret;
embeddedartists	0:6b68dac0d986	1307	}
embeddedartists	0:6b68dac0d986	1308	}
embeddedartists	0:6b68dac0d986	1309	RetryCnt--;
embeddedartists	0:6b68dac0d986	1310	}
embeddedartists	0:6b68dac0d986	1311	return Ret;
embeddedartists	0:6b68dac0d986	1312	}
embeddedartists	0:6b68dac0d986	1313
embeddedartists	0:6b68dac0d986	1314	MCIFileSystem::ReturnCode MCIFileSystem::mci_GetAddr(uint16_t *pRCA) const
embeddedartists	0:6b68dac0d986	1315	{
embeddedartists	0:6b68dac0d986	1316	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1317	response_t Response;
embeddedartists	0:6b68dac0d986	1318	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1319
embeddedartists	0:6b68dac0d986	1320	*pRCA = 0;
embeddedartists	0:6b68dac0d986	1321	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1322	Ret = mci_ExecuteCmd(SD_CMD3_SEND_RELATIVE_ADDR, 0, &Response);
embeddedartists	0:6b68dac0d986	1323	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1324	if (!(CMDRESP_R6_CARD_STATUS(Response.Data[0]) & R1_READY_FOR_DATA)) {
embeddedartists	0:6b68dac0d986	1325	Ret = SDC_RET_NOT_READY;
embeddedartists	0:6b68dac0d986	1326	}
embeddedartists	0:6b68dac0d986	1327	else if (R1_CURRENT_STATE(CMDRESP_R6_CARD_STATUS(Response.Data[0])) != SDMMC_STBY_ST) {
embeddedartists	0:6b68dac0d986	1328	Ret = SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	1329	}
embeddedartists	0:6b68dac0d986	1330	else {
embeddedartists	0:6b68dac0d986	1331	*pRCA = CMDRESP_R6_RCA_VAL(Response.Data[0]);
embeddedartists	0:6b68dac0d986	1332	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1333	}
embeddedartists	0:6b68dac0d986	1334	}
embeddedartists	0:6b68dac0d986	1335	RetryCnt--;
embeddedartists	0:6b68dac0d986	1336	}
embeddedartists	0:6b68dac0d986	1337	return Ret;
embeddedartists	0:6b68dac0d986	1338	}
embeddedartists	0:6b68dac0d986	1339
embeddedartists	0:6b68dac0d986	1340	MCIFileSystem::ReturnCode MCIFileSystem::mci_GetCSD(uint16_t rca, uint32_t *pCSD) const
embeddedartists	0:6b68dac0d986	1341	{
embeddedartists	0:6b68dac0d986	1342	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1343	response_t Response;
embeddedartists	0:6b68dac0d986	1344	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1345
embeddedartists	0:6b68dac0d986	1346	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1347	Ret = mci_ExecuteCmd(SD_CMD9_SEND_CSD, CMD9_RCA(rca), &Response);
embeddedartists	0:6b68dac0d986	1348	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1349	pCSD[3] = Response.Data[0];
embeddedartists	0:6b68dac0d986	1350	pCSD[2] = Response.Data[1];
embeddedartists	0:6b68dac0d986	1351	pCSD[1] = Response.Data[2];
embeddedartists	0:6b68dac0d986	1352	pCSD[0] = Response.Data[3];
embeddedartists	0:6b68dac0d986	1353	return Ret;
embeddedartists	0:6b68dac0d986	1354	}
embeddedartists	0:6b68dac0d986	1355	RetryCnt--;
embeddedartists	0:6b68dac0d986	1356	}
embeddedartists	0:6b68dac0d986	1357	return Ret;
embeddedartists	0:6b68dac0d986	1358	}
embeddedartists	0:6b68dac0d986	1359
embeddedartists	0:6b68dac0d986	1360	MCIFileSystem::ReturnCode MCIFileSystem::mci_SelectCard(uint16_t addr) const
embeddedartists	0:6b68dac0d986	1361	{
embeddedartists	0:6b68dac0d986	1362	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1363	response_t Response;
embeddedartists	0:6b68dac0d986	1364	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1365
embeddedartists	0:6b68dac0d986	1366	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1367	Ret = mci_ExecuteCmd(SD_CMD7_SELECT_CARD, CMD7_RCA(addr), &Response);
embeddedartists	0:6b68dac0d986	1368	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1369	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1370	return Ret;
embeddedartists	0:6b68dac0d986	1371	}
embeddedartists	0:6b68dac0d986	1372	}
embeddedartists	0:6b68dac0d986	1373	RetryCnt--;
embeddedartists	0:6b68dac0d986	1374	}
embeddedartists	0:6b68dac0d986	1375	return Ret;
embeddedartists	0:6b68dac0d986	1376	}
embeddedartists	0:6b68dac0d986	1377
embeddedartists	0:6b68dac0d986	1378	MCIFileSystem::ReturnCode MCIFileSystem::mci_GetStatus(uint16_t rca, uint32_t *pStatus) const
embeddedartists	0:6b68dac0d986	1379	{
embeddedartists	0:6b68dac0d986	1380	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1381	response_t Response;
embeddedartists	0:6b68dac0d986	1382	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1383
embeddedartists	0:6b68dac0d986	1384	*pStatus = (uint32_t) -1;
embeddedartists	0:6b68dac0d986	1385	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1386	Ret = mci_ExecuteCmd(SD_CMD13_SEND_STATUS, CMD13_RCA(rca), &Response);
embeddedartists	0:6b68dac0d986	1387	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1388	mci_CheckR1Response(Response.Data[0], &Ret);
embeddedartists	0:6b68dac0d986	1389	*pStatus = Response.Data[0];
embeddedartists	0:6b68dac0d986	1390	return Ret;
embeddedartists	0:6b68dac0d986	1391	}
embeddedartists	0:6b68dac0d986	1392	RetryCnt--;
embeddedartists	0:6b68dac0d986	1393	}
embeddedartists	0:6b68dac0d986	1394	return Ret;
embeddedartists	0:6b68dac0d986	1395	}
embeddedartists	0:6b68dac0d986	1396
embeddedartists	0:6b68dac0d986	1397	void MCIFileSystem::mci_ProcessCSD()
embeddedartists	0:6b68dac0d986	1398	{
embeddedartists	0:6b68dac0d986	1399	int32_t CSize = 0;
embeddedartists	0:6b68dac0d986	1400	int32_t CSizeMult = 0;
embeddedartists	0:6b68dac0d986	1401	int32_t Mult = 0;
embeddedartists	0:6b68dac0d986	1402
embeddedartists	0:6b68dac0d986	1403	/* compute block length based on CSD response */
embeddedartists	0:6b68dac0d986	1404	_sdCardInfo.block_len = 1 << mci_GetBits(80, 83, _sdCardInfo.csd);
embeddedartists	0:6b68dac0d986	1405
embeddedartists	0:6b68dac0d986	1406	if ((_sdCardInfo.card_type & CARD_TYPE_HC) && (_sdCardInfo.card_type & CARD_TYPE_SD)) {
embeddedartists	0:6b68dac0d986	1407	/* See section 5.3.3 CSD Register (CSD Version 2.0) of SD2.0 spec an explanation for the calculation of these values */
embeddedartists	0:6b68dac0d986	1408	CSize = mci_GetBits(48, 63, (uint32_t *) _sdCardInfo.csd) + 1;
embeddedartists	0:6b68dac0d986	1409	_sdCardInfo.blocknr = CSize << 10; /* 512 byte blocks */
embeddedartists	0:6b68dac0d986	1410	}
embeddedartists	0:6b68dac0d986	1411	else {
embeddedartists	0:6b68dac0d986	1412	/* See section 5.3 of the 4.1 revision of the MMC specs for an explanation for the calculation of these values */
embeddedartists	0:6b68dac0d986	1413	CSize = mci_GetBits(62, 73, (uint32_t *) _sdCardInfo.csd);
embeddedartists	0:6b68dac0d986	1414	CSizeMult = mci_GetBits(47, 49, (uint32_t *) _sdCardInfo.csd);
embeddedartists	0:6b68dac0d986	1415	Mult = 1 << (CSizeMult + 2);
embeddedartists	0:6b68dac0d986	1416	_sdCardInfo.blocknr = (CSize + 1) * Mult;
embeddedartists	0:6b68dac0d986	1417
embeddedartists	0:6b68dac0d986	1418	/* adjust blocknr to 512/block */
embeddedartists	0:6b68dac0d986	1419	if (_sdCardInfo.block_len > MMC_SECTOR_SIZE) {
embeddedartists	0:6b68dac0d986	1420	_sdCardInfo.blocknr = _sdCardInfo.blocknr * (_sdCardInfo.block_len >> 9);
embeddedartists	0:6b68dac0d986	1421	}
embeddedartists	0:6b68dac0d986	1422	}
embeddedartists	0:6b68dac0d986	1423
embeddedartists	0:6b68dac0d986	1424	_sdCardInfo.device_size = _sdCardInfo.blocknr << 9; /* blocknr * 512 */
embeddedartists	0:6b68dac0d986	1425	}
embeddedartists	0:6b68dac0d986	1426
embeddedartists	0:6b68dac0d986	1427	MCIFileSystem::ReturnCode MCIFileSystem::mci_SetBusWidth(uint16_t rca, uint8_t width) const
embeddedartists	0:6b68dac0d986	1428	{
embeddedartists	0:6b68dac0d986	1429	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1430	response_t Response;
embeddedartists	0:6b68dac0d986	1431	uint8_t RetryCnt = 0x20;
embeddedartists	0:6b68dac0d986	1432
embeddedartists	0:6b68dac0d986	1433	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1434	Ret = mci_SendAppCmd(rca);
embeddedartists	0:6b68dac0d986	1435	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1436	Ret = mci_ExecuteCmd(SD_ACMD6_SET_BUS_WIDTH, ACMD6_BUS_WIDTH(width), &Response);
embeddedartists	0:6b68dac0d986	1437	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1438	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1439	return Ret;
embeddedartists	0:6b68dac0d986	1440	}
embeddedartists	0:6b68dac0d986	1441	}
embeddedartists	0:6b68dac0d986	1442	}
embeddedartists	0:6b68dac0d986	1443	RetryCnt--;
embeddedartists	0:6b68dac0d986	1444	}
embeddedartists	0:6b68dac0d986	1445	return SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1446	}
embeddedartists	0:6b68dac0d986	1447
embeddedartists	0:6b68dac0d986	1448	MCIFileSystem::ReturnCode MCIFileSystem::mci_SetTranState(uint16_t rca) const
embeddedartists	0:6b68dac0d986	1449	{
embeddedartists	0:6b68dac0d986	1450	ReturnCode Ret = SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1451	uint32_t status = 0;
embeddedartists	0:6b68dac0d986	1452	SDMMC_STATE_T state;
embeddedartists	0:6b68dac0d986	1453
embeddedartists	0:6b68dac0d986	1454	/* get current state of the card */
embeddedartists	0:6b68dac0d986	1455	Ret = mci_GetStatus(rca, &status);
embeddedartists	0:6b68dac0d986	1456	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1457	/* unable to get the card state. So return immediatly. */
embeddedartists	0:6b68dac0d986	1458	return Ret;
embeddedartists	0:6b68dac0d986	1459	}
embeddedartists	0:6b68dac0d986	1460
embeddedartists	0:6b68dac0d986	1461	/* check card state in response */
embeddedartists	0:6b68dac0d986	1462	state = (SDMMC_STATE_T) R1_CURRENT_STATE(status);
embeddedartists	0:6b68dac0d986	1463	switch (state) {
embeddedartists	0:6b68dac0d986	1464	case SDMMC_STBY_ST:
embeddedartists	0:6b68dac0d986	1465	/* put card in 'Trans' state */
embeddedartists	0:6b68dac0d986	1466	Ret = mci_SelectCard(rca);
embeddedartists	0:6b68dac0d986	1467	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1468	/* unable to put the card in Trans state. So return immediatly. */
embeddedartists	0:6b68dac0d986	1469	return Ret;
embeddedartists	0:6b68dac0d986	1470	}
embeddedartists	0:6b68dac0d986	1471	mci_GetStatus(rca, &status);
embeddedartists	0:6b68dac0d986	1472	if (((SDMMC_STATE_T) R1_CURRENT_STATE(status)) != SDMMC_TRAN_ST) {
embeddedartists	0:6b68dac0d986	1473	return SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	1474	}
embeddedartists	0:6b68dac0d986	1475	break;
embeddedartists	0:6b68dac0d986	1476
embeddedartists	0:6b68dac0d986	1477	case SDMMC_TRAN_ST:
embeddedartists	0:6b68dac0d986	1478	/do nothing /
embeddedartists	0:6b68dac0d986	1479	break;
embeddedartists	0:6b68dac0d986	1480
embeddedartists	0:6b68dac0d986	1481	default:
embeddedartists	0:6b68dac0d986	1482	/* card shouldn't be in other states so return */
embeddedartists	0:6b68dac0d986	1483	return SDC_RET_ERR_STATE;
embeddedartists	0:6b68dac0d986	1484	}
embeddedartists	0:6b68dac0d986	1485
embeddedartists	0:6b68dac0d986	1486	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1487	}
embeddedartists	0:6b68dac0d986	1488
embeddedartists	0:6b68dac0d986	1489	MCIFileSystem::ReturnCode MCIFileSystem::mci_SetBlockLength(uint32_t rca, uint32_t block_len) const
embeddedartists	0:6b68dac0d986	1490	{
embeddedartists	0:6b68dac0d986	1491	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1492	response_t Response;
embeddedartists	0:6b68dac0d986	1493	uint8_t RetryCnt = 0x20;
embeddedartists	0:6b68dac0d986	1494
embeddedartists	0:6b68dac0d986	1495	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1496	Ret = mci_ExecuteCmd(SD_CMD16_SET_BLOCKLEN, block_len, &Response);
embeddedartists	0:6b68dac0d986	1497	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1498	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1499	return Ret;
embeddedartists	0:6b68dac0d986	1500	}
embeddedartists	0:6b68dac0d986	1501	}
embeddedartists	0:6b68dac0d986	1502	RetryCnt--;
embeddedartists	0:6b68dac0d986	1503	}
embeddedartists	0:6b68dac0d986	1504	return SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1505	}
embeddedartists	0:6b68dac0d986	1506
embeddedartists	0:6b68dac0d986	1507	MCIFileSystem::ReturnCode MCIFileSystem::mci_SetCardParams() const
embeddedartists	0:6b68dac0d986	1508	{
embeddedartists	0:6b68dac0d986	1509	ReturnCode Ret;
embeddedartists	0:6b68dac0d986	1510
embeddedartists	0:6b68dac0d986	1511	mci_SetClock(SDC_TRAN_CLOCK_RATE);
embeddedartists	0:6b68dac0d986	1512	if (_sdCardInfo.card_type & CARD_TYPE_SD) {
embeddedartists	0:6b68dac0d986	1513	mci_ClockControl(SDC_CLOCK_WIDEBUS_MODE, true);
embeddedartists	0:6b68dac0d986	1514	Ret = mci_SetBusWidth(_sdCardInfo.rca, ACMD6_BUS_WIDTH_4);
embeddedartists	0:6b68dac0d986	1515	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1516	return Ret;
embeddedartists	0:6b68dac0d986	1517	}
embeddedartists	0:6b68dac0d986	1518	}
embeddedartists	0:6b68dac0d986	1519	else {
embeddedartists	0:6b68dac0d986	1520	mci_ClockControl(SDC_CLOCK_WIDEBUS_MODE, false);
embeddedartists	0:6b68dac0d986	1521	}
embeddedartists	0:6b68dac0d986	1522
embeddedartists	0:6b68dac0d986	1523	/* set block length */
embeddedartists	0:6b68dac0d986	1524	Ret = mci_SetBlockLength(_sdCardInfo.rca, MMC_SECTOR_SIZE);
embeddedartists	0:6b68dac0d986	1525	return Ret;
embeddedartists	0:6b68dac0d986	1526	}
embeddedartists	0:6b68dac0d986	1527
embeddedartists	0:6b68dac0d986	1528	bool MCIFileSystem::mci_CheckR1Response(uint32_t resp, ReturnCode* pCheckResult) const
embeddedartists	0:6b68dac0d986	1529	{
embeddedartists	0:6b68dac0d986	1530	bool Ret = true;
embeddedartists	0:6b68dac0d986	1531
embeddedartists	0:6b68dac0d986	1532	if (!(resp & R1_READY_FOR_DATA)) {
embeddedartists	0:6b68dac0d986	1533	*pCheckResult = SDC_RET_NOT_READY;
embeddedartists	0:6b68dac0d986	1534	Ret = false;
embeddedartists	0:6b68dac0d986	1535	}
embeddedartists	0:6b68dac0d986	1536	else if (R1_STATUS(resp)) {
embeddedartists	0:6b68dac0d986	1537	*pCheckResult = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1538	}
embeddedartists	0:6b68dac0d986	1539	else {
embeddedartists	0:6b68dac0d986	1540	*pCheckResult = SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1541	}
embeddedartists	0:6b68dac0d986	1542	return Ret;
embeddedartists	0:6b68dac0d986	1543	}
embeddedartists	0:6b68dac0d986	1544
embeddedartists	0:6b68dac0d986	1545	void MCIFileSystem::mci_WriteDelay() const
embeddedartists	0:6b68dac0d986	1546	{
embeddedartists	31:d47cffcb0a3e	1547	wait_us(10);
embeddedartists	0:6b68dac0d986	1548	}
embeddedartists	0:6b68dac0d986	1549
embeddedartists	0:6b68dac0d986	1550	MCIFileSystem::ReturnCode MCIFileSystem::mci_SendCmd(uint32_t Command, uint32_t Arg, uint32_t timeout) const
embeddedartists	0:6b68dac0d986	1551	{
embeddedartists	0:6b68dac0d986	1552	ReturnCode ret = SDC_RET_TIMEOUT;
embeddedartists	0:6b68dac0d986	1553	uint32_t Status;
embeddedartists	0:6b68dac0d986	1554
embeddedartists	0:6b68dac0d986	1555	/* Set Command Info */
embeddedartists	0:6b68dac0d986	1556	mci_SetCommand(Command, Arg);
embeddedartists	0:6b68dac0d986	1557
embeddedartists	0:6b68dac0d986	1558	while (timeout) {
embeddedartists	0:6b68dac0d986	1559
embeddedartists	0:6b68dac0d986	1560	Status = LPC_MCI->STATUS;
embeddedartists	0:6b68dac0d986	1561
embeddedartists	0:6b68dac0d986	1562	/* check if command was sent */
embeddedartists	0:6b68dac0d986	1563	if (((Command & SDC_COMMAND_RSP_BITMASK) == SDC_COMMAND_NO_RSP) && (Status & SDC_STATUS_CMDSENT)) {
embeddedartists	0:6b68dac0d986	1564	ret = SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1565	break;
embeddedartists	0:6b68dac0d986	1566	}
embeddedartists	0:6b68dac0d986	1567	/* check if response was received */
embeddedartists	0:6b68dac0d986	1568	if (Status & SDC_STATUS_CMDRESPEND) {
embeddedartists	0:6b68dac0d986	1569	ret = SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1570	break;
embeddedartists	0:6b68dac0d986	1571	}
embeddedartists	0:6b68dac0d986	1572
embeddedartists	0:6b68dac0d986	1573	/* check command sending status */
embeddedartists	0:6b68dac0d986	1574	if (Status & SDC_STATUS_CMDERR) {
embeddedartists	0:6b68dac0d986	1575	if (Status & SDC_STATUS_CMDCRCFAIL) {
embeddedartists	0:6b68dac0d986	1576	if ((SDC_COMMAND_INDEX(Command) == MMC_SEND_OP_COND) \|\|
embeddedartists	0:6b68dac0d986	1577	(SDC_COMMAND_INDEX(Command) == SD_APP_OP_COND) \|\|
embeddedartists	0:6b68dac0d986	1578	(SDC_COMMAND_INDEX(Command) == MMC_STOP_TRANSMISSION)) {
embeddedartists	0:6b68dac0d986	1579	ret = SDC_RET_OK; /* ignore CRC error if it's a resp for SEND_OP_COND or STOP_TRANSMISSION. */
embeddedartists	0:6b68dac0d986	1580	break;
embeddedartists	0:6b68dac0d986	1581	}
embeddedartists	0:6b68dac0d986	1582	}
embeddedartists	0:6b68dac0d986	1583	ret = SDC_RET_CMD_FAILED;
embeddedartists	0:6b68dac0d986	1584	break;
embeddedartists	0:6b68dac0d986	1585	}
embeddedartists	0:6b68dac0d986	1586
embeddedartists	0:6b68dac0d986	1587	timeout--;
embeddedartists	0:6b68dac0d986	1588	}
embeddedartists	0:6b68dac0d986	1589
embeddedartists	0:6b68dac0d986	1590	mci_ResetCommand();
embeddedartists	0:6b68dac0d986	1591
embeddedartists	0:6b68dac0d986	1592	return ret;
embeddedartists	0:6b68dac0d986	1593	}
embeddedartists	0:6b68dac0d986	1594
embeddedartists	0:6b68dac0d986	1595	MCIFileSystem::ReturnCode MCIFileSystem::mci_SendAppCmd(uint16_t rca) const
embeddedartists	0:6b68dac0d986	1596	{
embeddedartists	0:6b68dac0d986	1597	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1598	response_t Response;
embeddedartists	0:6b68dac0d986	1599	uint32_t RetryCnt = 20;
embeddedartists	0:6b68dac0d986	1600
embeddedartists	0:6b68dac0d986	1601	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1602	Ret = mci_ExecuteCmd(SD_CMD55_APP_CMD, CMD55_RCA(rca), &Response);
embeddedartists	0:6b68dac0d986	1603	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1604	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1605	if (Ret != SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1606	return Ret;
embeddedartists	0:6b68dac0d986	1607	}
embeddedartists	0:6b68dac0d986	1608	if (Response.Data[0] & R1_APP_CMD) {
embeddedartists	0:6b68dac0d986	1609	return SDC_RET_OK;
embeddedartists	0:6b68dac0d986	1610	}
embeddedartists	0:6b68dac0d986	1611	else {
embeddedartists	0:6b68dac0d986	1612	Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1613	}
embeddedartists	0:6b68dac0d986	1614	}
embeddedartists	0:6b68dac0d986	1615	}
embeddedartists	0:6b68dac0d986	1616	RetryCnt--;
embeddedartists	0:6b68dac0d986	1617	}
embeddedartists	0:6b68dac0d986	1618	return SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1619	}
embeddedartists	0:6b68dac0d986	1620
embeddedartists	0:6b68dac0d986	1621	void MCIFileSystem::mci_SetDataTransfer(uint16_t BlockNum, bool DirFromCard, uint32_t Timeout) const
embeddedartists	0:6b68dac0d986	1622	{
embeddedartists	0:6b68dac0d986	1623	uint32_t DataCtrl = 0;
embeddedartists	0:6b68dac0d986	1624	LPC_MCI->DATATMR = Timeout;
embeddedartists	0:6b68dac0d986	1625	LPC_MCI->DATALEN = BlockNum * 512;
embeddedartists	0:6b68dac0d986	1626
embeddedartists	0:6b68dac0d986	1627	DataCtrl = SDC_DATACTRL_ENABLE;
embeddedartists	0:6b68dac0d986	1628	// DataCtrl mode=block, block size=512byte
embeddedartists	0:6b68dac0d986	1629	DataCtrl \|= (0x9 << 4);
embeddedartists	0:6b68dac0d986	1630	if (DirFromCard) {
embeddedartists	0:6b68dac0d986	1631	DataCtrl \|= (0x1 << 1);
embeddedartists	0:6b68dac0d986	1632	}
embeddedartists	0:6b68dac0d986	1633	DataCtrl \|= SDC_DATACTRL_DMA_ENABLE;
embeddedartists	0:6b68dac0d986	1634	LPC_MCI->DATACTRL = DataCtrl;
embeddedartists	0:6b68dac0d986	1635	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1636	}
embeddedartists	0:6b68dac0d986	1637
embeddedartists	0:6b68dac0d986	1638	void MCIFileSystem::mci_GetResp(response_t* pResp) const
embeddedartists	0:6b68dac0d986	1639	{
embeddedartists	0:6b68dac0d986	1640	pResp->CmdIndex = SDC_RESPCOMMAND_VAL(LPC_MCI->RESP_CMD);
embeddedartists	0:6b68dac0d986	1641	pResp->Data[0] = LPC_MCI->RESP0;
embeddedartists	0:6b68dac0d986	1642	if (CardStatusNumBytes == 4) {
embeddedartists	0:6b68dac0d986	1643	pResp->Data[1] = LPC_MCI->RESP1;
embeddedartists	0:6b68dac0d986	1644	pResp->Data[2] = LPC_MCI->RESP2;
embeddedartists	0:6b68dac0d986	1645	pResp->Data[3] = LPC_MCI->RESP3;
embeddedartists	0:6b68dac0d986	1646	}
embeddedartists	0:6b68dac0d986	1647	}
embeddedartists	0:6b68dac0d986	1648
embeddedartists	0:6b68dac0d986	1649	uint32_t MCIFileSystem::mci_GetBits(int32_t start, int32_t end, uint32_t *data) const
embeddedartists	0:6b68dac0d986	1650	{
embeddedartists	0:6b68dac0d986	1651	uint32_t v;
embeddedartists	0:6b68dac0d986	1652	uint32_t i = end >> 5;
embeddedartists	0:6b68dac0d986	1653	uint32_t j = start & 0x1f;
embeddedartists	0:6b68dac0d986	1654
embeddedartists	0:6b68dac0d986	1655	if (i == (start >> 5)) {
embeddedartists	0:6b68dac0d986	1656	v = (data[i] >> j);
embeddedartists	0:6b68dac0d986	1657	}
embeddedartists	0:6b68dac0d986	1658	else {
embeddedartists	0:6b68dac0d986	1659	v = ((data[i] << (32 - j)) \| (data[start >> 5] >> j));
embeddedartists	0:6b68dac0d986	1660	}
embeddedartists	0:6b68dac0d986	1661
embeddedartists	0:6b68dac0d986	1662	return v & ((1 << (end - start + 1)) - 1);
embeddedartists	0:6b68dac0d986	1663	}
embeddedartists	0:6b68dac0d986	1664
embeddedartists	0:6b68dac0d986	1665	void MCIFileSystem::mci_SetCommand(uint32_t Cmd, uint32_t Arg) const
embeddedartists	0:6b68dac0d986	1666	{
embeddedartists	0:6b68dac0d986	1667	/* Clear status register */
embeddedartists	0:6b68dac0d986	1668	LPC_MCI->CLEAR = SDC_CLEAR_ALL;
embeddedartists	0:6b68dac0d986	1669
embeddedartists	0:6b68dac0d986	1670	/* Set the argument first, finally command */
embeddedartists	0:6b68dac0d986	1671	LPC_MCI->ARGUMENT = Arg;
embeddedartists	0:6b68dac0d986	1672
embeddedartists	0:6b68dac0d986	1673	/* Write command value, enable the command */
embeddedartists	0:6b68dac0d986	1674	LPC_MCI->COMMAND = Cmd \| SDC_COMMAND_ENABLE;
embeddedartists	0:6b68dac0d986	1675
embeddedartists	0:6b68dac0d986	1676	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1677	}
embeddedartists	0:6b68dac0d986	1678
embeddedartists	0:6b68dac0d986	1679	void MCIFileSystem::mci_ResetCommand() const
embeddedartists	0:6b68dac0d986	1680	{
embeddedartists	0:6b68dac0d986	1681	LPC_MCI->CLEAR = SDC_CLEAR_ALL;
embeddedartists	0:6b68dac0d986	1682
embeddedartists	0:6b68dac0d986	1683	LPC_MCI->ARGUMENT = 0xFFFFFFFF;
embeddedartists	0:6b68dac0d986	1684
embeddedartists	0:6b68dac0d986	1685	LPC_MCI->COMMAND = 0;
embeddedartists	0:6b68dac0d986	1686
embeddedartists	0:6b68dac0d986	1687	mci_WriteDelay();
embeddedartists	0:6b68dac0d986	1688	}
embeddedartists	0:6b68dac0d986	1689
embeddedartists	0:6b68dac0d986	1690	int32_t MCIFileSystem::mci_IRQHandler(uint8_t txBuf, uint32_t txCnt, uint8_t rxBuf, uint32_t rxCnt)
embeddedartists	0:6b68dac0d986	1691	{
embeddedartists	0:6b68dac0d986	1692	uint32_t Status;
embeddedartists	0:6b68dac0d986	1693
embeddedartists	0:6b68dac0d986	1694	Status = LPC_MCI->STATUS;
embeddedartists	0:6b68dac0d986	1695
embeddedartists	0:6b68dac0d986	1696	if ( Status & SDC_STATUS_DATAERR) {
embeddedartists	0:6b68dac0d986	1697	LPC_MCI->CLEAR = SDC_STATUS_DATAERR;
embeddedartists	0:6b68dac0d986	1698	return -1; /* Data transfer error */
embeddedartists	0:6b68dac0d986	1699	}
embeddedartists	0:6b68dac0d986	1700
embeddedartists	0:6b68dac0d986	1701	if ( Status & SDC_STATUS_DATAEND) {
embeddedartists	0:6b68dac0d986	1702	LPC_MCI->CLEAR = SDC_STATUS_DATAEND;
embeddedartists	0:6b68dac0d986	1703	LPC_MCI->MASK0 = 0;
embeddedartists	0:6b68dac0d986	1704	return 0;
embeddedartists	0:6b68dac0d986	1705	}
embeddedartists	0:6b68dac0d986	1706
embeddedartists	0:6b68dac0d986	1707	if ( Status & SDC_STATUS_DATABLOCKEND) {
embeddedartists	0:6b68dac0d986	1708	LPC_MCI->CLEAR = SDC_STATUS_DATABLOCKEND;
embeddedartists	0:6b68dac0d986	1709	return 1;
embeddedartists	0:6b68dac0d986	1710	}
embeddedartists	0:6b68dac0d986	1711
embeddedartists	0:6b68dac0d986	1712	if (Status & SDC_STATUS_FIFO) {
embeddedartists	0:6b68dac0d986	1713	return mci_FIFOIRQHandler(txBuf, txCnt, rxBuf, rxCnt);
embeddedartists	0:6b68dac0d986	1714	}
embeddedartists	0:6b68dac0d986	1715
embeddedartists	0:6b68dac0d986	1716	return 1;
embeddedartists	0:6b68dac0d986	1717	}
embeddedartists	0:6b68dac0d986	1718
embeddedartists	0:6b68dac0d986	1719	int32_t MCIFileSystem::mci_FIFOIRQHandler(uint8_t txBuf, uint32_t txCnt, uint8_t rxBuf, uint32_t rxCnt)
embeddedartists	0:6b68dac0d986	1720	{
embeddedartists	0:6b68dac0d986	1721	uint32_t Status;
embeddedartists	0:6b68dac0d986	1722	Status = LPC_MCI->STATUS;
embeddedartists	0:6b68dac0d986	1723
embeddedartists	0:6b68dac0d986	1724	if (txBuf) {
embeddedartists	0:6b68dac0d986	1725	if (Status & SDC_STATUS_TXFIFOHALFEMPTY) {
embeddedartists	0:6b68dac0d986	1726	if (*txCnt % 64) {
embeddedartists	0:6b68dac0d986	1727	mci_WriteFIFO((uint32_t ) &txBuf[txCnt], false);
embeddedartists	0:6b68dac0d986	1728	}
embeddedartists	0:6b68dac0d986	1729	else {
embeddedartists	0:6b68dac0d986	1730	mci_WriteFIFO((uint32_t ) &txBuf[txCnt], true);
embeddedartists	0:6b68dac0d986	1731	}
embeddedartists	0:6b68dac0d986	1732	*txCnt += 32;
embeddedartists	0:6b68dac0d986	1733	}
embeddedartists	0:6b68dac0d986	1734	}
embeddedartists	0:6b68dac0d986	1735
embeddedartists	0:6b68dac0d986	1736	if (rxBuf) {
embeddedartists	0:6b68dac0d986	1737	if (Status & SDC_STATUS_RXFIFOHALFFULL) {
embeddedartists	0:6b68dac0d986	1738	if (*rxCnt % 64) {
embeddedartists	0:6b68dac0d986	1739	mci_ReadFIFO((uint32_t ) &rxBuf[rxCnt], false);
embeddedartists	0:6b68dac0d986	1740	}
embeddedartists	0:6b68dac0d986	1741	else {
embeddedartists	0:6b68dac0d986	1742	mci_ReadFIFO((uint32_t ) &rxBuf[rxCnt], true);
embeddedartists	0:6b68dac0d986	1743	}
embeddedartists	0:6b68dac0d986	1744	*rxCnt += 32;
embeddedartists	0:6b68dac0d986	1745	}
embeddedartists	0:6b68dac0d986	1746	}
embeddedartists	0:6b68dac0d986	1747
embeddedartists	0:6b68dac0d986	1748	LPC_MCI->CLEAR = SDC_STATUS_FIFO;
embeddedartists	0:6b68dac0d986	1749
embeddedartists	0:6b68dac0d986	1750	return 1;
embeddedartists	0:6b68dac0d986	1751	}
embeddedartists	0:6b68dac0d986	1752
embeddedartists	0:6b68dac0d986	1753	void MCIFileSystem::mci_ReadFIFO(uint32_t *pDst, bool bFirstHalf) const
embeddedartists	0:6b68dac0d986	1754	{
embeddedartists	0:6b68dac0d986	1755	uint8_t start = 0, end = 7;
embeddedartists	0:6b68dac0d986	1756
embeddedartists	0:6b68dac0d986	1757	if (!bFirstHalf) {
embeddedartists	0:6b68dac0d986	1758	start += 8;
embeddedartists	0:6b68dac0d986	1759	end += 8;
embeddedartists	0:6b68dac0d986	1760	}
embeddedartists	0:6b68dac0d986	1761	for (; start <= end; start++) {
embeddedartists	0:6b68dac0d986	1762	*pDst = LPC_MCI->FIFO[start];
embeddedartists	0:6b68dac0d986	1763	pDst++;
embeddedartists	0:6b68dac0d986	1764	}
embeddedartists	0:6b68dac0d986	1765	}
embeddedartists	0:6b68dac0d986	1766
embeddedartists	0:6b68dac0d986	1767	void MCIFileSystem::mci_WriteFIFO(uint32_t *pSrc, bool bFirstHalf) const
embeddedartists	0:6b68dac0d986	1768	{
embeddedartists	0:6b68dac0d986	1769	uint8_t start = 0, end = 7;
embeddedartists	0:6b68dac0d986	1770	if (!bFirstHalf) {
embeddedartists	0:6b68dac0d986	1771	start += 8;
embeddedartists	0:6b68dac0d986	1772	end += 8;
embeddedartists	0:6b68dac0d986	1773	}
embeddedartists	0:6b68dac0d986	1774	for (; start <= end; start++) {
embeddedartists	0:6b68dac0d986	1775	LPC_MCI->FIFO[start] = *pSrc;
embeddedartists	0:6b68dac0d986	1776	pSrc++;
embeddedartists	0:6b68dac0d986	1777	}
embeddedartists	0:6b68dac0d986	1778	}
embeddedartists	0:6b68dac0d986	1779
embeddedartists	38:420cdc281467	1780	void MCIFileSystem::mci_SetupEventWakeup()
embeddedartists	0:6b68dac0d986	1781	{
embeddedartists	0:6b68dac0d986	1782	/* Wait for IRQ - for an RTOS, you would pend on an event here with a IRQ based wakeup. */
embeddedartists	0:6b68dac0d986	1783
embeddedartists	0:6b68dac0d986	1784	_eventReceived = false;
embeddedartists	0:6b68dac0d986	1785	_eventSuccess = false;
embeddedartists	0:6b68dac0d986	1786	}
embeddedartists	0:6b68dac0d986	1787
embeddedartists	0:6b68dac0d986	1788	uint32_t MCIFileSystem::mci_WaitForEvent() const
embeddedartists	0:6b68dac0d986	1789	{
embeddedartists	0:6b68dac0d986	1790	/* Wait for the event (DMA or MCI interrupt) for a maximum of 2 seconds */
embeddedartists	0:6b68dac0d986	1791	uint32_t end = us_ticker_read() + 210001000;
embeddedartists	0:6b68dac0d986	1792	while ((us_ticker_read() < end) && (!_eventReceived))
embeddedartists	0:6b68dac0d986	1793	{
embeddedartists	0:6b68dac0d986	1794	// If the driver is having problems reading the card, adding a delay here
embeddedartists	0:6b68dac0d986	1795	// might help.
embeddedartists	0:6b68dac0d986	1796	//wait(0.01);
embeddedartists	0:6b68dac0d986	1797	}
embeddedartists	0:6b68dac0d986	1798
embeddedartists	0:6b68dac0d986	1799	if (_eventReceived && _eventSuccess) {
embeddedartists	0:6b68dac0d986	1800	return 0;
embeddedartists	0:6b68dac0d986	1801	}
embeddedartists	0:6b68dac0d986	1802
embeddedartists	0:6b68dac0d986	1803	return 1;
embeddedartists	0:6b68dac0d986	1804	}
embeddedartists	0:6b68dac0d986	1805
embeddedartists	0:6b68dac0d986	1806	MCIFileSystem::ReturnCode MCIFileSystem::_readBlocks(uint32_t card_type, uint32_t startBlock, uint32_t blockNum) const
embeddedartists	0:6b68dac0d986	1807	{
embeddedartists	0:6b68dac0d986	1808	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1809	response_t Response;
embeddedartists	0:6b68dac0d986	1810	uint32_t Command, Argument;
embeddedartists	0:6b68dac0d986	1811	uint8_t RetryCnt = 0x20;
embeddedartists	0:6b68dac0d986	1812
embeddedartists	0:6b68dac0d986	1813	if (blockNum == 1) {
embeddedartists	0:6b68dac0d986	1814	Command = SD_CMD17_READ_SINGLE_BLOCK;
embeddedartists	0:6b68dac0d986	1815	}
embeddedartists	0:6b68dac0d986	1816	else {
embeddedartists	0:6b68dac0d986	1817	Command = SD_CMD18_READ_MULTIPLE_BLOCK;
embeddedartists	0:6b68dac0d986	1818	}
embeddedartists	0:6b68dac0d986	1819
embeddedartists	0:6b68dac0d986	1820	/* Select single or multiple read based on number of blocks */
embeddedartists	0:6b68dac0d986	1821	/* if high capacity card use block indexing */
embeddedartists	0:6b68dac0d986	1822	if (card_type & CARD_TYPE_HC) {
embeddedartists	0:6b68dac0d986	1823	Argument = startBlock;
embeddedartists	0:6b68dac0d986	1824	}
embeddedartists	0:6b68dac0d986	1825	else { /fix at 512 bytes/
embeddedartists	0:6b68dac0d986	1826	Argument = startBlock << 9;
embeddedartists	0:6b68dac0d986	1827	}
embeddedartists	0:6b68dac0d986	1828
embeddedartists	0:6b68dac0d986	1829	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1830	Ret = mci_ExecuteCmd(Command, Argument, &Response);
embeddedartists	0:6b68dac0d986	1831	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1832	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1833	return Ret;
embeddedartists	0:6b68dac0d986	1834	}
embeddedartists	0:6b68dac0d986	1835	}
embeddedartists	0:6b68dac0d986	1836	RetryCnt--;
embeddedartists	0:6b68dac0d986	1837	}
embeddedartists	0:6b68dac0d986	1838	return Ret;
embeddedartists	0:6b68dac0d986	1839	}
embeddedartists	0:6b68dac0d986	1840
embeddedartists	0:6b68dac0d986	1841	MCIFileSystem::ReturnCode MCIFileSystem::_writeBlocks(uint32_t card_type, uint32_t startBlock, uint32_t blockNum) const
embeddedartists	0:6b68dac0d986	1842	{
embeddedartists	0:6b68dac0d986	1843	ReturnCode Ret = SDC_RET_FAILED;
embeddedartists	0:6b68dac0d986	1844	response_t Response;
embeddedartists	0:6b68dac0d986	1845	uint32_t Command, Argument;
embeddedartists	0:6b68dac0d986	1846	uint8_t RetryCnt = 0x20;
embeddedartists	0:6b68dac0d986	1847
embeddedartists	0:6b68dac0d986	1848	if (blockNum == 1) {
embeddedartists	0:6b68dac0d986	1849	Command = SD_CMD24_WRITE_BLOCK;
embeddedartists	0:6b68dac0d986	1850	}
embeddedartists	0:6b68dac0d986	1851	else {
embeddedartists	0:6b68dac0d986	1852	Command = SD_CMD25_WRITE_MULTIPLE_BLOCK;
embeddedartists	0:6b68dac0d986	1853	}
embeddedartists	0:6b68dac0d986	1854
embeddedartists	0:6b68dac0d986	1855	/* if high capacity card use block indexing */
embeddedartists	0:6b68dac0d986	1856	if (card_type & CARD_TYPE_HC) {
embeddedartists	0:6b68dac0d986	1857	Argument = startBlock;
embeddedartists	0:6b68dac0d986	1858	}
embeddedartists	0:6b68dac0d986	1859	else { /fix at 512 bytes/
embeddedartists	0:6b68dac0d986	1860	Argument = startBlock << 9;
embeddedartists	0:6b68dac0d986	1861
embeddedartists	0:6b68dac0d986	1862	}
embeddedartists	0:6b68dac0d986	1863
embeddedartists	0:6b68dac0d986	1864	while (RetryCnt > 0) {
embeddedartists	0:6b68dac0d986	1865	Ret = mci_ExecuteCmd(Command, Argument, &Response);
embeddedartists	0:6b68dac0d986	1866	if (Ret == SDC_RET_OK) {
embeddedartists	0:6b68dac0d986	1867	if (mci_CheckR1Response(Response.Data[0], &Ret)) {
embeddedartists	0:6b68dac0d986	1868	return Ret;
embeddedartists	0:6b68dac0d986	1869	}
embeddedartists	0:6b68dac0d986	1870	}
embeddedartists	0:6b68dac0d986	1871	RetryCnt--;
embeddedartists	0:6b68dac0d986	1872	}
embeddedartists	0:6b68dac0d986	1873	return Ret;
embeddedartists	0:6b68dac0d986	1874	}

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Type:	Program
Created:	04 Oct 2018
Imports:	1
Forks:	0
Commits:	42
Dependents:	1
Dependencies:	8
Followers:	1

FileSystems/MCIFileSystem.cpp@40:6df4f63aa406, 2015-06-10 (annotated)

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