USB device stack
Dependents: blinky_max32630fthr FTHR_USB_serial FTHR_OLED HSP_RPC_GUI_3_0_1 ... more
Fork of USBDevice by
USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/src/userdef/usb0_function_dmacdrv.c@35:a8484e16c2f3, 2014-11-06 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Nov 06 11:01:12 2014 +0000
- Revision:
- 35:a8484e16c2f3
Synchronized with git revision 8724eb616b6e07a3bd111d3022652eb5bbefe9b7
Full URL: https://github.com/mbedmicro/mbed/commit/8724eb616b6e07a3bd111d3022652eb5bbefe9b7/
[RZ/A1H] mbed-RZ first release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 35:a8484e16c2f3 | 1 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 2 | * DISCLAIMER |
mbed_official | 35:a8484e16c2f3 | 3 | * This software is supplied by Renesas Electronics Corporation and is only |
mbed_official | 35:a8484e16c2f3 | 4 | * intended for use with Renesas products. No other uses are authorized. This |
mbed_official | 35:a8484e16c2f3 | 5 | * software is owned by Renesas Electronics Corporation and is protected under |
mbed_official | 35:a8484e16c2f3 | 6 | * all applicable laws, including copyright laws. |
mbed_official | 35:a8484e16c2f3 | 7 | * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING |
mbed_official | 35:a8484e16c2f3 | 8 | * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT |
mbed_official | 35:a8484e16c2f3 | 9 | * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
mbed_official | 35:a8484e16c2f3 | 10 | * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. |
mbed_official | 35:a8484e16c2f3 | 11 | * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS |
mbed_official | 35:a8484e16c2f3 | 12 | * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE |
mbed_official | 35:a8484e16c2f3 | 13 | * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR |
mbed_official | 35:a8484e16c2f3 | 14 | * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE |
mbed_official | 35:a8484e16c2f3 | 15 | * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
mbed_official | 35:a8484e16c2f3 | 16 | * Renesas reserves the right, without notice, to make changes to this software |
mbed_official | 35:a8484e16c2f3 | 17 | * and to discontinue the availability of this software. By using this software, |
mbed_official | 35:a8484e16c2f3 | 18 | * you agree to the additional terms and conditions found by accessing the |
mbed_official | 35:a8484e16c2f3 | 19 | * following link: |
mbed_official | 35:a8484e16c2f3 | 20 | * http://www.renesas.com/disclaimer |
mbed_official | 35:a8484e16c2f3 | 21 | * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved. |
mbed_official | 35:a8484e16c2f3 | 22 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 23 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 24 | * File Name : usb0_function_dmacdrv.c |
mbed_official | 35:a8484e16c2f3 | 25 | * $Rev: 1116 $ |
mbed_official | 35:a8484e16c2f3 | 26 | * $Date:: 2014-07-09 16:29:19 +0900#$ |
mbed_official | 35:a8484e16c2f3 | 27 | * Device(s) : RZ/A1H |
mbed_official | 35:a8484e16c2f3 | 28 | * Tool-Chain : |
mbed_official | 35:a8484e16c2f3 | 29 | * OS : None |
mbed_official | 35:a8484e16c2f3 | 30 | * H/W Platform : |
mbed_official | 35:a8484e16c2f3 | 31 | * Description : RZ/A1H R7S72100 USB Sample Program |
mbed_official | 35:a8484e16c2f3 | 32 | * Operation : |
mbed_official | 35:a8484e16c2f3 | 33 | * Limitations : |
mbed_official | 35:a8484e16c2f3 | 34 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 35 | |
mbed_official | 35:a8484e16c2f3 | 36 | |
mbed_official | 35:a8484e16c2f3 | 37 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 38 | Includes <System Includes> , "Project Includes" |
mbed_official | 35:a8484e16c2f3 | 39 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 40 | #include <stdio.h> |
mbed_official | 35:a8484e16c2f3 | 41 | #include "r_typedefs.h" |
mbed_official | 35:a8484e16c2f3 | 42 | #include "iodefine.h" |
mbed_official | 35:a8484e16c2f3 | 43 | #include "rza_io_regrw.h" |
mbed_official | 35:a8484e16c2f3 | 44 | #include "usb0_function_dmacdrv.h" |
mbed_official | 35:a8484e16c2f3 | 45 | |
mbed_official | 35:a8484e16c2f3 | 46 | |
mbed_official | 35:a8484e16c2f3 | 47 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 48 | Typedef definitions |
mbed_official | 35:a8484e16c2f3 | 49 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 50 | |
mbed_official | 35:a8484e16c2f3 | 51 | |
mbed_official | 35:a8484e16c2f3 | 52 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 53 | Macro definitions |
mbed_official | 35:a8484e16c2f3 | 54 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 55 | #define DMAC_INDEFINE (255) /* Macro definition when REQD bit is not used */ |
mbed_official | 35:a8484e16c2f3 | 56 | |
mbed_official | 35:a8484e16c2f3 | 57 | /* ==== Request setting information for on-chip peripheral module ==== */ |
mbed_official | 35:a8484e16c2f3 | 58 | typedef enum dmac_peri_req_reg_type |
mbed_official | 35:a8484e16c2f3 | 59 | { |
mbed_official | 35:a8484e16c2f3 | 60 | DMAC_REQ_MID, |
mbed_official | 35:a8484e16c2f3 | 61 | DMAC_REQ_RID, |
mbed_official | 35:a8484e16c2f3 | 62 | DMAC_REQ_AM, |
mbed_official | 35:a8484e16c2f3 | 63 | DMAC_REQ_LVL, |
mbed_official | 35:a8484e16c2f3 | 64 | DMAC_REQ_REQD |
mbed_official | 35:a8484e16c2f3 | 65 | } dmac_peri_req_reg_type_t; |
mbed_official | 35:a8484e16c2f3 | 66 | |
mbed_official | 35:a8484e16c2f3 | 67 | |
mbed_official | 35:a8484e16c2f3 | 68 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 69 | Imported global variables and functions (from other files) |
mbed_official | 35:a8484e16c2f3 | 70 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 71 | |
mbed_official | 35:a8484e16c2f3 | 72 | |
mbed_official | 35:a8484e16c2f3 | 73 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 74 | Exported global variables and functions (to be accessed by other files) |
mbed_official | 35:a8484e16c2f3 | 75 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 76 | |
mbed_official | 35:a8484e16c2f3 | 77 | |
mbed_official | 35:a8484e16c2f3 | 78 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 79 | Private global variables and functions |
mbed_official | 35:a8484e16c2f3 | 80 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 81 | /* ==== Prototype declaration ==== */ |
mbed_official | 35:a8484e16c2f3 | 82 | |
mbed_official | 35:a8484e16c2f3 | 83 | /* ==== Global variable ==== */ |
mbed_official | 35:a8484e16c2f3 | 84 | /* On-chip peripheral module request setting table */ |
mbed_official | 35:a8484e16c2f3 | 85 | static const uint8_t usb0_function_dmac_peri_req_init_table[8][5] = |
mbed_official | 35:a8484e16c2f3 | 86 | { |
mbed_official | 35:a8484e16c2f3 | 87 | /* MID,RID,AM,LVL,REQD */ |
mbed_official | 35:a8484e16c2f3 | 88 | {32, 3, 2, 1, 1}, /* USB_0 channel 0 transmit FIFO empty */ |
mbed_official | 35:a8484e16c2f3 | 89 | {32, 3, 2, 1, 0}, /* USB_0 channel 0 receive FIFO full */ |
mbed_official | 35:a8484e16c2f3 | 90 | {33, 3, 2, 1, 1}, /* USB_0 channel 1 transmit FIFO empty */ |
mbed_official | 35:a8484e16c2f3 | 91 | {33, 3, 2, 1, 0}, /* USB_0 channel 1 receive FIFO full */ |
mbed_official | 35:a8484e16c2f3 | 92 | {34, 3, 2, 1, 1}, /* USB_1 channel 0 transmit FIFO empty */ |
mbed_official | 35:a8484e16c2f3 | 93 | {34, 3, 2, 1, 0}, /* USB_1 channel 0 receive FIFO full */ |
mbed_official | 35:a8484e16c2f3 | 94 | {35, 3, 2, 1, 1}, /* USB_1 channel 1 transmit FIFO empty */ |
mbed_official | 35:a8484e16c2f3 | 95 | {35, 3, 2, 1, 0}, /* USB_1 channel 1 receive FIFO full */ |
mbed_official | 35:a8484e16c2f3 | 96 | }; |
mbed_official | 35:a8484e16c2f3 | 97 | |
mbed_official | 35:a8484e16c2f3 | 98 | |
mbed_official | 35:a8484e16c2f3 | 99 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 100 | * Function Name: usb0_function_DMAC1_PeriReqInit |
mbed_official | 35:a8484e16c2f3 | 101 | * Description : Sets the register mode for DMA mode and the on-chip peripheral |
mbed_official | 35:a8484e16c2f3 | 102 | * : module request for transfer request for DMAC channel 1. |
mbed_official | 35:a8484e16c2f3 | 103 | * : Executes DMAC initial setting using the DMA information |
mbed_official | 35:a8484e16c2f3 | 104 | * : specified by the argument *trans_info and the enabled/disabled |
mbed_official | 35:a8484e16c2f3 | 105 | * : continuous transfer specified by the argument continuation. |
mbed_official | 35:a8484e16c2f3 | 106 | * : Registers DMAC channel 1 interrupt handler function and sets |
mbed_official | 35:a8484e16c2f3 | 107 | * : the interrupt priority level. Then enables transfer completion |
mbed_official | 35:a8484e16c2f3 | 108 | * : interrupt. |
mbed_official | 35:a8484e16c2f3 | 109 | * Arguments : dmac_transinfo_t *trans_info : Setting information to DMAC register |
mbed_official | 35:a8484e16c2f3 | 110 | * : uint32_t dmamode : DMA mode (only for DMAC_MODE_REGISTER) |
mbed_official | 35:a8484e16c2f3 | 111 | * : uint32_t continuation : Set continuous transfer to be valid |
mbed_official | 35:a8484e16c2f3 | 112 | * : after DMA transfer has been completed |
mbed_official | 35:a8484e16c2f3 | 113 | * : DMAC_SAMPLE_CONTINUATION : Execute continuous transfer |
mbed_official | 35:a8484e16c2f3 | 114 | * : DMAC_SAMPLE_SINGLE : Do not execute continuous transfer |
mbed_official | 35:a8484e16c2f3 | 115 | * : uint32_t request_factor : Factor for on-chip peripheral module request |
mbed_official | 35:a8484e16c2f3 | 116 | * : DMAC_REQ_OSTM0TINT : OSTM_0 compare match |
mbed_official | 35:a8484e16c2f3 | 117 | * : DMAC_REQ_OSTM1TINT : OSTM_1 compare match |
mbed_official | 35:a8484e16c2f3 | 118 | * : DMAC_REQ_TGI0A : MTU2_0 input capture/compare match |
mbed_official | 35:a8484e16c2f3 | 119 | * : : |
mbed_official | 35:a8484e16c2f3 | 120 | * : uint32_t req_direction: Setting value of CHCFG_n register REQD bit |
mbed_official | 35:a8484e16c2f3 | 121 | * Return Value : none |
mbed_official | 35:a8484e16c2f3 | 122 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 123 | void usb0_function_DMAC1_PeriReqInit (const dmac_transinfo_t * trans_info, |
mbed_official | 35:a8484e16c2f3 | 124 | uint32_t dmamode, uint32_t continuation, |
mbed_official | 35:a8484e16c2f3 | 125 | uint32_t request_factor, uint32_t req_direction) |
mbed_official | 35:a8484e16c2f3 | 126 | { |
mbed_official | 35:a8484e16c2f3 | 127 | /* ==== Register mode ==== */ |
mbed_official | 35:a8484e16c2f3 | 128 | if (DMAC_MODE_REGISTER == dmamode) |
mbed_official | 35:a8484e16c2f3 | 129 | { |
mbed_official | 35:a8484e16c2f3 | 130 | /* ==== Next0 register set ==== */ |
mbed_official | 35:a8484e16c2f3 | 131 | DMAC1.N0SA_n = trans_info->src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 132 | DMAC1.N0DA_n = trans_info->dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 133 | DMAC1.N0TB_n = trans_info->count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 134 | |
mbed_official | 35:a8484e16c2f3 | 135 | /* DAD : Transfer destination address counting direction */ |
mbed_official | 35:a8484e16c2f3 | 136 | /* SAD : Transfer source address counting direction */ |
mbed_official | 35:a8484e16c2f3 | 137 | /* DDS : Transfer destination transfer size */ |
mbed_official | 35:a8484e16c2f3 | 138 | /* SDS : Transfer source transfer size */ |
mbed_official | 35:a8484e16c2f3 | 139 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 140 | trans_info->daddr_dir, |
mbed_official | 35:a8484e16c2f3 | 141 | DMAC1_CHCFG_n_DAD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 142 | DMAC1_CHCFG_n_DAD); |
mbed_official | 35:a8484e16c2f3 | 143 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 144 | trans_info->saddr_dir, |
mbed_official | 35:a8484e16c2f3 | 145 | DMAC1_CHCFG_n_SAD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 146 | DMAC1_CHCFG_n_SAD); |
mbed_official | 35:a8484e16c2f3 | 147 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 148 | trans_info->dst_size, |
mbed_official | 35:a8484e16c2f3 | 149 | DMAC1_CHCFG_n_DDS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 150 | DMAC1_CHCFG_n_DDS); |
mbed_official | 35:a8484e16c2f3 | 151 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 152 | trans_info->src_size, |
mbed_official | 35:a8484e16c2f3 | 153 | DMAC1_CHCFG_n_SDS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 154 | DMAC1_CHCFG_n_SDS); |
mbed_official | 35:a8484e16c2f3 | 155 | |
mbed_official | 35:a8484e16c2f3 | 156 | /* DMS : Register mode */ |
mbed_official | 35:a8484e16c2f3 | 157 | /* RSEL : Select Next0 register set */ |
mbed_official | 35:a8484e16c2f3 | 158 | /* SBE : No discharge of buffer data when aborted */ |
mbed_official | 35:a8484e16c2f3 | 159 | /* DEM : No DMA interrupt mask */ |
mbed_official | 35:a8484e16c2f3 | 160 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 161 | 0, |
mbed_official | 35:a8484e16c2f3 | 162 | DMAC1_CHCFG_n_DMS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 163 | DMAC1_CHCFG_n_DMS); |
mbed_official | 35:a8484e16c2f3 | 164 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 165 | 0, |
mbed_official | 35:a8484e16c2f3 | 166 | DMAC1_CHCFG_n_RSEL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 167 | DMAC1_CHCFG_n_RSEL); |
mbed_official | 35:a8484e16c2f3 | 168 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 169 | 0, |
mbed_official | 35:a8484e16c2f3 | 170 | DMAC1_CHCFG_n_SBE_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 171 | DMAC1_CHCFG_n_SBE); |
mbed_official | 35:a8484e16c2f3 | 172 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 173 | 0, |
mbed_official | 35:a8484e16c2f3 | 174 | DMAC1_CHCFG_n_DEM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 175 | DMAC1_CHCFG_n_DEM); |
mbed_official | 35:a8484e16c2f3 | 176 | |
mbed_official | 35:a8484e16c2f3 | 177 | /* ---- Continuous transfer ---- */ |
mbed_official | 35:a8484e16c2f3 | 178 | if (DMAC_SAMPLE_CONTINUATION == continuation) |
mbed_official | 35:a8484e16c2f3 | 179 | { |
mbed_official | 35:a8484e16c2f3 | 180 | /* REN : Execute continuous transfer */ |
mbed_official | 35:a8484e16c2f3 | 181 | /* RSW : Change register set when DMA transfer is completed. */ |
mbed_official | 35:a8484e16c2f3 | 182 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 183 | 1, |
mbed_official | 35:a8484e16c2f3 | 184 | DMAC1_CHCFG_n_REN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 185 | DMAC1_CHCFG_n_REN); |
mbed_official | 35:a8484e16c2f3 | 186 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 187 | 1, |
mbed_official | 35:a8484e16c2f3 | 188 | DMAC1_CHCFG_n_RSW_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 189 | DMAC1_CHCFG_n_RSW); |
mbed_official | 35:a8484e16c2f3 | 190 | } |
mbed_official | 35:a8484e16c2f3 | 191 | /* ---- Single transfer ---- */ |
mbed_official | 35:a8484e16c2f3 | 192 | else |
mbed_official | 35:a8484e16c2f3 | 193 | { |
mbed_official | 35:a8484e16c2f3 | 194 | /* REN : Do not execute continuous transfer */ |
mbed_official | 35:a8484e16c2f3 | 195 | /* RSW : Do not change register set when DMA transfer is completed. */ |
mbed_official | 35:a8484e16c2f3 | 196 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 197 | 0, |
mbed_official | 35:a8484e16c2f3 | 198 | DMAC1_CHCFG_n_REN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 199 | DMAC1_CHCFG_n_REN); |
mbed_official | 35:a8484e16c2f3 | 200 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 201 | 0, |
mbed_official | 35:a8484e16c2f3 | 202 | DMAC1_CHCFG_n_RSW_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 203 | DMAC1_CHCFG_n_RSW); |
mbed_official | 35:a8484e16c2f3 | 204 | } |
mbed_official | 35:a8484e16c2f3 | 205 | |
mbed_official | 35:a8484e16c2f3 | 206 | /* TM : Single transfer */ |
mbed_official | 35:a8484e16c2f3 | 207 | /* SEL : Channel setting */ |
mbed_official | 35:a8484e16c2f3 | 208 | /* HIEN, LOEN : On-chip peripheral module request */ |
mbed_official | 35:a8484e16c2f3 | 209 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 210 | 0, |
mbed_official | 35:a8484e16c2f3 | 211 | DMAC1_CHCFG_n_TM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 212 | DMAC1_CHCFG_n_TM); |
mbed_official | 35:a8484e16c2f3 | 213 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 214 | 1, |
mbed_official | 35:a8484e16c2f3 | 215 | DMAC1_CHCFG_n_SEL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 216 | DMAC1_CHCFG_n_SEL); |
mbed_official | 35:a8484e16c2f3 | 217 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 218 | 1, |
mbed_official | 35:a8484e16c2f3 | 219 | DMAC1_CHCFG_n_HIEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 220 | DMAC1_CHCFG_n_HIEN); |
mbed_official | 35:a8484e16c2f3 | 221 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 222 | 0, |
mbed_official | 35:a8484e16c2f3 | 223 | DMAC1_CHCFG_n_LOEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 224 | DMAC1_CHCFG_n_LOEN); |
mbed_official | 35:a8484e16c2f3 | 225 | |
mbed_official | 35:a8484e16c2f3 | 226 | /* ---- Set factor by specified on-chip peripheral module request ---- */ |
mbed_official | 35:a8484e16c2f3 | 227 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 228 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_AM], |
mbed_official | 35:a8484e16c2f3 | 229 | DMAC1_CHCFG_n_AM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 230 | DMAC1_CHCFG_n_AM); |
mbed_official | 35:a8484e16c2f3 | 231 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 232 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_LVL], |
mbed_official | 35:a8484e16c2f3 | 233 | DMAC1_CHCFG_n_LVL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 234 | DMAC1_CHCFG_n_LVL); |
mbed_official | 35:a8484e16c2f3 | 235 | |
mbed_official | 35:a8484e16c2f3 | 236 | if (usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_REQD] != DMAC_INDEFINE) |
mbed_official | 35:a8484e16c2f3 | 237 | { |
mbed_official | 35:a8484e16c2f3 | 238 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 239 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_REQD], |
mbed_official | 35:a8484e16c2f3 | 240 | DMAC1_CHCFG_n_REQD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 241 | DMAC1_CHCFG_n_REQD); |
mbed_official | 35:a8484e16c2f3 | 242 | } |
mbed_official | 35:a8484e16c2f3 | 243 | else |
mbed_official | 35:a8484e16c2f3 | 244 | { |
mbed_official | 35:a8484e16c2f3 | 245 | RZA_IO_RegWrite_32(&DMAC1.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 246 | req_direction, |
mbed_official | 35:a8484e16c2f3 | 247 | DMAC1_CHCFG_n_REQD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 248 | DMAC1_CHCFG_n_REQD); |
mbed_official | 35:a8484e16c2f3 | 249 | } |
mbed_official | 35:a8484e16c2f3 | 250 | |
mbed_official | 35:a8484e16c2f3 | 251 | RZA_IO_RegWrite_32(&DMAC01.DMARS, |
mbed_official | 35:a8484e16c2f3 | 252 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_RID], |
mbed_official | 35:a8484e16c2f3 | 253 | DMAC01_DMARS_CH1_RID_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 254 | DMAC01_DMARS_CH1_RID); |
mbed_official | 35:a8484e16c2f3 | 255 | RZA_IO_RegWrite_32(&DMAC01.DMARS, |
mbed_official | 35:a8484e16c2f3 | 256 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_MID], |
mbed_official | 35:a8484e16c2f3 | 257 | DMAC01_DMARS_CH1_MID_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 258 | DMAC01_DMARS_CH1_MID); |
mbed_official | 35:a8484e16c2f3 | 259 | |
mbed_official | 35:a8484e16c2f3 | 260 | /* PR : Round robin mode */ |
mbed_official | 35:a8484e16c2f3 | 261 | RZA_IO_RegWrite_32(&DMAC07.DCTRL_0_7, |
mbed_official | 35:a8484e16c2f3 | 262 | 1, |
mbed_official | 35:a8484e16c2f3 | 263 | DMAC07_DCTRL_0_7_PR_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 264 | DMAC07_DCTRL_0_7_PR); |
mbed_official | 35:a8484e16c2f3 | 265 | } |
mbed_official | 35:a8484e16c2f3 | 266 | } |
mbed_official | 35:a8484e16c2f3 | 267 | |
mbed_official | 35:a8484e16c2f3 | 268 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 269 | * Function Name: usb0_function_DMAC1_Open |
mbed_official | 35:a8484e16c2f3 | 270 | * Description : Enables DMAC channel 1 transfer. |
mbed_official | 35:a8484e16c2f3 | 271 | * Arguments : uint32_t req : DMAC request mode |
mbed_official | 35:a8484e16c2f3 | 272 | * Return Value : 0 : Succeeded in enabling DMA transfer |
mbed_official | 35:a8484e16c2f3 | 273 | * : -1 : Failed to enable DMA transfer (due to DMA operation) |
mbed_official | 35:a8484e16c2f3 | 274 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 275 | int32_t usb0_function_DMAC1_Open (uint32_t req) |
mbed_official | 35:a8484e16c2f3 | 276 | { |
mbed_official | 35:a8484e16c2f3 | 277 | int32_t ret; |
mbed_official | 35:a8484e16c2f3 | 278 | volatile uint8_t dummy; |
mbed_official | 35:a8484e16c2f3 | 279 | |
mbed_official | 35:a8484e16c2f3 | 280 | /* Transferable? */ |
mbed_official | 35:a8484e16c2f3 | 281 | if ((0 == RZA_IO_RegRead_32(&DMAC1.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 282 | DMAC1_CHSTAT_n_EN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 283 | DMAC1_CHSTAT_n_EN)) && |
mbed_official | 35:a8484e16c2f3 | 284 | (0 == RZA_IO_RegRead_32(&DMAC1.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 285 | DMAC1_CHSTAT_n_TACT_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 286 | DMAC1_CHSTAT_n_TACT))) |
mbed_official | 35:a8484e16c2f3 | 287 | { |
mbed_official | 35:a8484e16c2f3 | 288 | /* Clear Channel Status Register */ |
mbed_official | 35:a8484e16c2f3 | 289 | RZA_IO_RegWrite_32(&DMAC1.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 290 | 1, |
mbed_official | 35:a8484e16c2f3 | 291 | DMAC1_CHCTRL_n_SWRST_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 292 | DMAC1_CHCTRL_n_SWRST); |
mbed_official | 35:a8484e16c2f3 | 293 | dummy = RZA_IO_RegRead_32(&DMAC1.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 294 | DMAC1_CHCTRL_n_SWRST_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 295 | DMAC1_CHCTRL_n_SWRST); |
mbed_official | 35:a8484e16c2f3 | 296 | /* Enable DMA transfer */ |
mbed_official | 35:a8484e16c2f3 | 297 | RZA_IO_RegWrite_32(&DMAC1.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 298 | 1, |
mbed_official | 35:a8484e16c2f3 | 299 | DMAC1_CHCTRL_n_SETEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 300 | DMAC1_CHCTRL_n_SETEN); |
mbed_official | 35:a8484e16c2f3 | 301 | |
mbed_official | 35:a8484e16c2f3 | 302 | /* ---- Request by software ---- */ |
mbed_official | 35:a8484e16c2f3 | 303 | if (DMAC_REQ_MODE_SOFT == req) |
mbed_official | 35:a8484e16c2f3 | 304 | { |
mbed_official | 35:a8484e16c2f3 | 305 | /* DMA transfer Request by software */ |
mbed_official | 35:a8484e16c2f3 | 306 | RZA_IO_RegWrite_32(&DMAC1.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 307 | 1, |
mbed_official | 35:a8484e16c2f3 | 308 | DMAC1_CHCTRL_n_STG_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 309 | DMAC1_CHCTRL_n_STG); |
mbed_official | 35:a8484e16c2f3 | 310 | } |
mbed_official | 35:a8484e16c2f3 | 311 | |
mbed_official | 35:a8484e16c2f3 | 312 | ret = 0; |
mbed_official | 35:a8484e16c2f3 | 313 | } |
mbed_official | 35:a8484e16c2f3 | 314 | else |
mbed_official | 35:a8484e16c2f3 | 315 | { |
mbed_official | 35:a8484e16c2f3 | 316 | ret = -1; |
mbed_official | 35:a8484e16c2f3 | 317 | } |
mbed_official | 35:a8484e16c2f3 | 318 | |
mbed_official | 35:a8484e16c2f3 | 319 | return ret; |
mbed_official | 35:a8484e16c2f3 | 320 | } |
mbed_official | 35:a8484e16c2f3 | 321 | |
mbed_official | 35:a8484e16c2f3 | 322 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 323 | * Function Name: usb0_function_DMAC1_Close |
mbed_official | 35:a8484e16c2f3 | 324 | * Description : Aborts DMAC channel 1 transfer. Returns the remaining transfer |
mbed_official | 35:a8484e16c2f3 | 325 | * : byte count at the time of DMA transfer abort to the argument |
mbed_official | 35:a8484e16c2f3 | 326 | * : *remain. |
mbed_official | 35:a8484e16c2f3 | 327 | * Arguments : uint32_t * remain : Remaining transfer byte count when |
mbed_official | 35:a8484e16c2f3 | 328 | * : : DMA transfer is aborted |
mbed_official | 35:a8484e16c2f3 | 329 | * Return Value : none |
mbed_official | 35:a8484e16c2f3 | 330 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 331 | void usb0_function_DMAC1_Close (uint32_t * remain) |
mbed_official | 35:a8484e16c2f3 | 332 | { |
mbed_official | 35:a8484e16c2f3 | 333 | |
mbed_official | 35:a8484e16c2f3 | 334 | /* ==== Abort transfer ==== */ |
mbed_official | 35:a8484e16c2f3 | 335 | RZA_IO_RegWrite_32(&DMAC1.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 336 | 1, |
mbed_official | 35:a8484e16c2f3 | 337 | DMAC1_CHCTRL_n_CLREN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 338 | DMAC1_CHCTRL_n_CLREN); |
mbed_official | 35:a8484e16c2f3 | 339 | |
mbed_official | 35:a8484e16c2f3 | 340 | while (1 == RZA_IO_RegRead_32(&DMAC1.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 341 | DMAC1_CHSTAT_n_TACT_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 342 | DMAC1_CHSTAT_n_TACT)) |
mbed_official | 35:a8484e16c2f3 | 343 | { |
mbed_official | 35:a8484e16c2f3 | 344 | /* Loop until transfer is aborted */ |
mbed_official | 35:a8484e16c2f3 | 345 | } |
mbed_official | 35:a8484e16c2f3 | 346 | |
mbed_official | 35:a8484e16c2f3 | 347 | while (1 == RZA_IO_RegRead_32(&DMAC1.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 348 | DMAC1_CHSTAT_n_EN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 349 | DMAC1_CHSTAT_n_EN)) |
mbed_official | 35:a8484e16c2f3 | 350 | { |
mbed_official | 35:a8484e16c2f3 | 351 | /* Loop until 0 is set in EN before checking the remaining transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 352 | } |
mbed_official | 35:a8484e16c2f3 | 353 | /* ==== Obtain remaining transfer byte count ==== */ |
mbed_official | 35:a8484e16c2f3 | 354 | *remain = DMAC1.CRTB_n; |
mbed_official | 35:a8484e16c2f3 | 355 | } |
mbed_official | 35:a8484e16c2f3 | 356 | |
mbed_official | 35:a8484e16c2f3 | 357 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 358 | * Function Name: usb0_function_DMAC1_Load_Set |
mbed_official | 35:a8484e16c2f3 | 359 | * Description : Sets the transfer source address, transfer destination |
mbed_official | 35:a8484e16c2f3 | 360 | * : address, and total transfer byte count respectively |
mbed_official | 35:a8484e16c2f3 | 361 | * : specified by the argument src_addr, dst_addr, and count to |
mbed_official | 35:a8484e16c2f3 | 362 | * : DMAC channel 1 as DMA transfer information. |
mbed_official | 35:a8484e16c2f3 | 363 | * : Sets the register set selected by the CHCFG_n register |
mbed_official | 35:a8484e16c2f3 | 364 | * : RSEL bit from the Next0 or Next1 register set. |
mbed_official | 35:a8484e16c2f3 | 365 | * : This function should be called when DMA transfer of DMAC |
mbed_official | 35:a8484e16c2f3 | 366 | * : channel 1 is aboted. |
mbed_official | 35:a8484e16c2f3 | 367 | * Arguments : uint32_t src_addr : Transfer source address |
mbed_official | 35:a8484e16c2f3 | 368 | * : uint32_t dst_addr : Transfer destination address |
mbed_official | 35:a8484e16c2f3 | 369 | * : uint32_t count : Total transfer byte count |
mbed_official | 35:a8484e16c2f3 | 370 | * Return Value : none |
mbed_official | 35:a8484e16c2f3 | 371 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 372 | void usb0_function_DMAC1_Load_Set (uint32_t src_addr, uint32_t dst_addr, uint32_t count) |
mbed_official | 35:a8484e16c2f3 | 373 | { |
mbed_official | 35:a8484e16c2f3 | 374 | uint8_t reg_set; |
mbed_official | 35:a8484e16c2f3 | 375 | |
mbed_official | 35:a8484e16c2f3 | 376 | /* Obtain register set in use */ |
mbed_official | 35:a8484e16c2f3 | 377 | reg_set = RZA_IO_RegRead_32(&DMAC1.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 378 | DMAC1_CHSTAT_n_SR_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 379 | DMAC1_CHSTAT_n_SR); |
mbed_official | 35:a8484e16c2f3 | 380 | |
mbed_official | 35:a8484e16c2f3 | 381 | /* ==== Load ==== */ |
mbed_official | 35:a8484e16c2f3 | 382 | if (0 == reg_set) |
mbed_official | 35:a8484e16c2f3 | 383 | { |
mbed_official | 35:a8484e16c2f3 | 384 | /* ---- Next0 Register Set ---- */ |
mbed_official | 35:a8484e16c2f3 | 385 | DMAC1.N0SA_n = src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 386 | DMAC1.N0DA_n = dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 387 | DMAC1.N0TB_n = count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 388 | } |
mbed_official | 35:a8484e16c2f3 | 389 | else |
mbed_official | 35:a8484e16c2f3 | 390 | { |
mbed_official | 35:a8484e16c2f3 | 391 | /* ---- Next1 Register Set ---- */ |
mbed_official | 35:a8484e16c2f3 | 392 | DMAC1.N1SA_n = src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 393 | DMAC1.N1DA_n = dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 394 | DMAC1.N1TB_n = count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 395 | } |
mbed_official | 35:a8484e16c2f3 | 396 | } |
mbed_official | 35:a8484e16c2f3 | 397 | |
mbed_official | 35:a8484e16c2f3 | 398 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 399 | * Function Name: usb0_function_DMAC2_PeriReqInit |
mbed_official | 35:a8484e16c2f3 | 400 | * Description : Sets the register mode for DMA mode and the on-chip peripheral |
mbed_official | 35:a8484e16c2f3 | 401 | * : module request for transfer request for DMAC channel 2. |
mbed_official | 35:a8484e16c2f3 | 402 | * : Executes DMAC initial setting using the DMA information |
mbed_official | 35:a8484e16c2f3 | 403 | * : specified by the argument *trans_info and the enabled/disabled |
mbed_official | 35:a8484e16c2f3 | 404 | * : continuous transfer specified by the argument continuation. |
mbed_official | 35:a8484e16c2f3 | 405 | * : Registers DMAC channel 2 interrupt handler function and sets |
mbed_official | 35:a8484e16c2f3 | 406 | * : the interrupt priority level. Then enables transfer completion |
mbed_official | 35:a8484e16c2f3 | 407 | * : interrupt. |
mbed_official | 35:a8484e16c2f3 | 408 | * Arguments : dmac_transinfo_t * trans_info : Setting information to DMAC |
mbed_official | 35:a8484e16c2f3 | 409 | * : : register |
mbed_official | 35:a8484e16c2f3 | 410 | * : uint32_t dmamode : DMA mode (only for DMAC_MODE_REGISTER) |
mbed_official | 35:a8484e16c2f3 | 411 | * : uint32_t continuation : Set continuous transfer to be valid |
mbed_official | 35:a8484e16c2f3 | 412 | * : : after DMA transfer has been completed |
mbed_official | 35:a8484e16c2f3 | 413 | * : DMAC_SAMPLE_CONTINUATION : Execute continuous transfer |
mbed_official | 35:a8484e16c2f3 | 414 | * : DMAC_SAMPLE_SINGLE : Do not execute continuous |
mbed_official | 35:a8484e16c2f3 | 415 | * : : transfer |
mbed_official | 35:a8484e16c2f3 | 416 | * : uint32_t request_factor : Factor for on-chip peripheral module |
mbed_official | 35:a8484e16c2f3 | 417 | * : : request |
mbed_official | 35:a8484e16c2f3 | 418 | * : DMAC_REQ_OSTM0TINT : OSTM_0 compare match |
mbed_official | 35:a8484e16c2f3 | 419 | * : DMAC_REQ_OSTM1TINT : OSTM_1 compare match |
mbed_official | 35:a8484e16c2f3 | 420 | * : DMAC_REQ_TGI0A : MTU2_0 input capture/compare match |
mbed_official | 35:a8484e16c2f3 | 421 | * : : |
mbed_official | 35:a8484e16c2f3 | 422 | * : uint32_t req_direction : Setting value of CHCFG_n register |
mbed_official | 35:a8484e16c2f3 | 423 | * : : REQD bit |
mbed_official | 35:a8484e16c2f3 | 424 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 425 | void usb0_function_DMAC2_PeriReqInit (const dmac_transinfo_t * trans_info, |
mbed_official | 35:a8484e16c2f3 | 426 | uint32_t dmamode, uint32_t continuation, |
mbed_official | 35:a8484e16c2f3 | 427 | uint32_t request_factor, uint32_t req_direction) |
mbed_official | 35:a8484e16c2f3 | 428 | { |
mbed_official | 35:a8484e16c2f3 | 429 | /* ==== Register mode ==== */ |
mbed_official | 35:a8484e16c2f3 | 430 | if (DMAC_MODE_REGISTER == dmamode) |
mbed_official | 35:a8484e16c2f3 | 431 | { |
mbed_official | 35:a8484e16c2f3 | 432 | /* ==== Next0 register set ==== */ |
mbed_official | 35:a8484e16c2f3 | 433 | DMAC2.N0SA_n = trans_info->src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 434 | DMAC2.N0DA_n = trans_info->dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 435 | DMAC2.N0TB_n = trans_info->count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 436 | |
mbed_official | 35:a8484e16c2f3 | 437 | /* DAD : Transfer destination address counting direction */ |
mbed_official | 35:a8484e16c2f3 | 438 | /* SAD : Transfer source address counting direction */ |
mbed_official | 35:a8484e16c2f3 | 439 | /* DDS : Transfer destination transfer size */ |
mbed_official | 35:a8484e16c2f3 | 440 | /* SDS : Transfer source transfer size */ |
mbed_official | 35:a8484e16c2f3 | 441 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 442 | trans_info->daddr_dir, |
mbed_official | 35:a8484e16c2f3 | 443 | DMAC2_CHCFG_n_DAD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 444 | DMAC2_CHCFG_n_DAD); |
mbed_official | 35:a8484e16c2f3 | 445 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 446 | trans_info->saddr_dir, |
mbed_official | 35:a8484e16c2f3 | 447 | DMAC2_CHCFG_n_SAD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 448 | DMAC2_CHCFG_n_SAD); |
mbed_official | 35:a8484e16c2f3 | 449 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 450 | trans_info->dst_size, |
mbed_official | 35:a8484e16c2f3 | 451 | DMAC2_CHCFG_n_DDS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 452 | DMAC2_CHCFG_n_DDS); |
mbed_official | 35:a8484e16c2f3 | 453 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 454 | trans_info->src_size, |
mbed_official | 35:a8484e16c2f3 | 455 | DMAC2_CHCFG_n_SDS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 456 | DMAC2_CHCFG_n_SDS); |
mbed_official | 35:a8484e16c2f3 | 457 | |
mbed_official | 35:a8484e16c2f3 | 458 | /* DMS : Register mode */ |
mbed_official | 35:a8484e16c2f3 | 459 | /* RSEL : Select Next0 register set */ |
mbed_official | 35:a8484e16c2f3 | 460 | /* SBE : No discharge of buffer data when aborted */ |
mbed_official | 35:a8484e16c2f3 | 461 | /* DEM : No DMA interrupt mask */ |
mbed_official | 35:a8484e16c2f3 | 462 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 463 | 0, |
mbed_official | 35:a8484e16c2f3 | 464 | DMAC2_CHCFG_n_DMS_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 465 | DMAC2_CHCFG_n_DMS); |
mbed_official | 35:a8484e16c2f3 | 466 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 467 | 0, |
mbed_official | 35:a8484e16c2f3 | 468 | DMAC2_CHCFG_n_RSEL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 469 | DMAC2_CHCFG_n_RSEL); |
mbed_official | 35:a8484e16c2f3 | 470 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 471 | 0, |
mbed_official | 35:a8484e16c2f3 | 472 | DMAC2_CHCFG_n_SBE_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 473 | DMAC2_CHCFG_n_SBE); |
mbed_official | 35:a8484e16c2f3 | 474 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 475 | 0, |
mbed_official | 35:a8484e16c2f3 | 476 | DMAC2_CHCFG_n_DEM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 477 | DMAC2_CHCFG_n_DEM); |
mbed_official | 35:a8484e16c2f3 | 478 | |
mbed_official | 35:a8484e16c2f3 | 479 | /* ---- Continuous transfer ---- */ |
mbed_official | 35:a8484e16c2f3 | 480 | if (DMAC_SAMPLE_CONTINUATION == continuation) |
mbed_official | 35:a8484e16c2f3 | 481 | { |
mbed_official | 35:a8484e16c2f3 | 482 | /* REN : Execute continuous transfer */ |
mbed_official | 35:a8484e16c2f3 | 483 | /* RSW : Change register set when DMA transfer is completed. */ |
mbed_official | 35:a8484e16c2f3 | 484 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 485 | 1, |
mbed_official | 35:a8484e16c2f3 | 486 | DMAC2_CHCFG_n_REN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 487 | DMAC2_CHCFG_n_REN); |
mbed_official | 35:a8484e16c2f3 | 488 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 489 | 1, |
mbed_official | 35:a8484e16c2f3 | 490 | DMAC2_CHCFG_n_RSW_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 491 | DMAC2_CHCFG_n_RSW); |
mbed_official | 35:a8484e16c2f3 | 492 | } |
mbed_official | 35:a8484e16c2f3 | 493 | /* ---- Single transfer ---- */ |
mbed_official | 35:a8484e16c2f3 | 494 | else |
mbed_official | 35:a8484e16c2f3 | 495 | { |
mbed_official | 35:a8484e16c2f3 | 496 | /* REN : Do not execute continuous transfer */ |
mbed_official | 35:a8484e16c2f3 | 497 | /* RSW : Do not change register set when DMA transfer is completed. */ |
mbed_official | 35:a8484e16c2f3 | 498 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 499 | 0, |
mbed_official | 35:a8484e16c2f3 | 500 | DMAC2_CHCFG_n_REN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 501 | DMAC2_CHCFG_n_REN); |
mbed_official | 35:a8484e16c2f3 | 502 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 503 | 0, |
mbed_official | 35:a8484e16c2f3 | 504 | DMAC2_CHCFG_n_RSW_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 505 | DMAC2_CHCFG_n_RSW); |
mbed_official | 35:a8484e16c2f3 | 506 | } |
mbed_official | 35:a8484e16c2f3 | 507 | |
mbed_official | 35:a8484e16c2f3 | 508 | /* TM : Single transfer */ |
mbed_official | 35:a8484e16c2f3 | 509 | /* SEL : Channel setting */ |
mbed_official | 35:a8484e16c2f3 | 510 | /* HIEN, LOEN : On-chip peripheral module request */ |
mbed_official | 35:a8484e16c2f3 | 511 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 512 | 0, |
mbed_official | 35:a8484e16c2f3 | 513 | DMAC2_CHCFG_n_TM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 514 | DMAC2_CHCFG_n_TM); |
mbed_official | 35:a8484e16c2f3 | 515 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 516 | 2, |
mbed_official | 35:a8484e16c2f3 | 517 | DMAC2_CHCFG_n_SEL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 518 | DMAC2_CHCFG_n_SEL); |
mbed_official | 35:a8484e16c2f3 | 519 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 520 | 1, |
mbed_official | 35:a8484e16c2f3 | 521 | DMAC2_CHCFG_n_HIEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 522 | DMAC2_CHCFG_n_HIEN); |
mbed_official | 35:a8484e16c2f3 | 523 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 524 | 0, |
mbed_official | 35:a8484e16c2f3 | 525 | DMAC2_CHCFG_n_LOEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 526 | DMAC2_CHCFG_n_LOEN); |
mbed_official | 35:a8484e16c2f3 | 527 | |
mbed_official | 35:a8484e16c2f3 | 528 | /* ---- Set factor by specified on-chip peripheral module request ---- */ |
mbed_official | 35:a8484e16c2f3 | 529 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 530 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_AM], |
mbed_official | 35:a8484e16c2f3 | 531 | DMAC2_CHCFG_n_AM_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 532 | DMAC2_CHCFG_n_AM); |
mbed_official | 35:a8484e16c2f3 | 533 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 534 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_LVL], |
mbed_official | 35:a8484e16c2f3 | 535 | DMAC2_CHCFG_n_LVL_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 536 | DMAC2_CHCFG_n_LVL); |
mbed_official | 35:a8484e16c2f3 | 537 | if (usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_REQD] != DMAC_INDEFINE) |
mbed_official | 35:a8484e16c2f3 | 538 | { |
mbed_official | 35:a8484e16c2f3 | 539 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 540 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_REQD], |
mbed_official | 35:a8484e16c2f3 | 541 | DMAC2_CHCFG_n_REQD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 542 | DMAC2_CHCFG_n_REQD); |
mbed_official | 35:a8484e16c2f3 | 543 | } |
mbed_official | 35:a8484e16c2f3 | 544 | else |
mbed_official | 35:a8484e16c2f3 | 545 | { |
mbed_official | 35:a8484e16c2f3 | 546 | RZA_IO_RegWrite_32(&DMAC2.CHCFG_n, |
mbed_official | 35:a8484e16c2f3 | 547 | req_direction, |
mbed_official | 35:a8484e16c2f3 | 548 | DMAC2_CHCFG_n_REQD_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 549 | DMAC2_CHCFG_n_REQD); |
mbed_official | 35:a8484e16c2f3 | 550 | } |
mbed_official | 35:a8484e16c2f3 | 551 | RZA_IO_RegWrite_32(&DMAC23.DMARS, |
mbed_official | 35:a8484e16c2f3 | 552 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_RID], |
mbed_official | 35:a8484e16c2f3 | 553 | DMAC23_DMARS_CH2_RID_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 554 | DMAC23_DMARS_CH2_RID); |
mbed_official | 35:a8484e16c2f3 | 555 | RZA_IO_RegWrite_32(&DMAC23.DMARS, |
mbed_official | 35:a8484e16c2f3 | 556 | usb0_function_dmac_peri_req_init_table[request_factor][DMAC_REQ_MID], |
mbed_official | 35:a8484e16c2f3 | 557 | DMAC23_DMARS_CH2_MID_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 558 | DMAC23_DMARS_CH2_MID); |
mbed_official | 35:a8484e16c2f3 | 559 | |
mbed_official | 35:a8484e16c2f3 | 560 | /* PR : Round robin mode */ |
mbed_official | 35:a8484e16c2f3 | 561 | RZA_IO_RegWrite_32(&DMAC07.DCTRL_0_7, |
mbed_official | 35:a8484e16c2f3 | 562 | 1, |
mbed_official | 35:a8484e16c2f3 | 563 | DMAC07_DCTRL_0_7_PR_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 564 | DMAC07_DCTRL_0_7_PR); |
mbed_official | 35:a8484e16c2f3 | 565 | } |
mbed_official | 35:a8484e16c2f3 | 566 | } |
mbed_official | 35:a8484e16c2f3 | 567 | |
mbed_official | 35:a8484e16c2f3 | 568 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 569 | * Function Name: usb0_function_DMAC2_Open |
mbed_official | 35:a8484e16c2f3 | 570 | * Description : Enables DMAC channel 2 transfer. |
mbed_official | 35:a8484e16c2f3 | 571 | * Arguments : uint32_t req : DMAC request mode |
mbed_official | 35:a8484e16c2f3 | 572 | * Return Value : 0 : Succeeded in enabling DMA transfer |
mbed_official | 35:a8484e16c2f3 | 573 | * : -1 : Failed to enable DMA transfer (due to DMA operation) |
mbed_official | 35:a8484e16c2f3 | 574 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 575 | int32_t usb0_function_DMAC2_Open (uint32_t req) |
mbed_official | 35:a8484e16c2f3 | 576 | { |
mbed_official | 35:a8484e16c2f3 | 577 | int32_t ret; |
mbed_official | 35:a8484e16c2f3 | 578 | volatile uint8_t dummy; |
mbed_official | 35:a8484e16c2f3 | 579 | |
mbed_official | 35:a8484e16c2f3 | 580 | /* Transferable? */ |
mbed_official | 35:a8484e16c2f3 | 581 | if ((0 == RZA_IO_RegRead_32(&DMAC.CHSTAT_2, |
mbed_official | 35:a8484e16c2f3 | 582 | DMAC2_CHSTAT_n_EN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 583 | DMAC2_CHSTAT_n_EN)) && |
mbed_official | 35:a8484e16c2f3 | 584 | (0 == RZA_IO_RegRead_32(&DMAC.CHSTAT_2, |
mbed_official | 35:a8484e16c2f3 | 585 | DMAC2_CHSTAT_n_TACT_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 586 | DMAC2_CHSTAT_n_TACT))) |
mbed_official | 35:a8484e16c2f3 | 587 | { |
mbed_official | 35:a8484e16c2f3 | 588 | /* Clear Channel Status Register */ |
mbed_official | 35:a8484e16c2f3 | 589 | RZA_IO_RegWrite_32(&DMAC2.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 590 | 1, |
mbed_official | 35:a8484e16c2f3 | 591 | DMAC2_CHCTRL_n_SWRST_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 592 | DMAC2_CHCTRL_n_SWRST); |
mbed_official | 35:a8484e16c2f3 | 593 | dummy = RZA_IO_RegRead_32(&DMAC2.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 594 | DMAC2_CHCTRL_n_SWRST_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 595 | DMAC2_CHCTRL_n_SWRST); |
mbed_official | 35:a8484e16c2f3 | 596 | /* Enable DMA transfer */ |
mbed_official | 35:a8484e16c2f3 | 597 | RZA_IO_RegWrite_32(&DMAC2.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 598 | 1, |
mbed_official | 35:a8484e16c2f3 | 599 | DMAC2_CHCTRL_n_SETEN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 600 | DMAC2_CHCTRL_n_SETEN); |
mbed_official | 35:a8484e16c2f3 | 601 | |
mbed_official | 35:a8484e16c2f3 | 602 | /* ---- Request by software ---- */ |
mbed_official | 35:a8484e16c2f3 | 603 | if (DMAC_REQ_MODE_SOFT == req) |
mbed_official | 35:a8484e16c2f3 | 604 | { |
mbed_official | 35:a8484e16c2f3 | 605 | /* DMA transfer Request by software */ |
mbed_official | 35:a8484e16c2f3 | 606 | RZA_IO_RegWrite_32(&DMAC2.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 607 | 1, |
mbed_official | 35:a8484e16c2f3 | 608 | DMAC2_CHCTRL_n_STG_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 609 | DMAC2_CHCTRL_n_STG); |
mbed_official | 35:a8484e16c2f3 | 610 | } |
mbed_official | 35:a8484e16c2f3 | 611 | |
mbed_official | 35:a8484e16c2f3 | 612 | ret = 0; |
mbed_official | 35:a8484e16c2f3 | 613 | } |
mbed_official | 35:a8484e16c2f3 | 614 | else |
mbed_official | 35:a8484e16c2f3 | 615 | { |
mbed_official | 35:a8484e16c2f3 | 616 | ret = -1; |
mbed_official | 35:a8484e16c2f3 | 617 | } |
mbed_official | 35:a8484e16c2f3 | 618 | |
mbed_official | 35:a8484e16c2f3 | 619 | return ret; |
mbed_official | 35:a8484e16c2f3 | 620 | } |
mbed_official | 35:a8484e16c2f3 | 621 | |
mbed_official | 35:a8484e16c2f3 | 622 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 623 | * Function Name: usb0_function_DMAC2_Close |
mbed_official | 35:a8484e16c2f3 | 624 | * Description : Aborts DMAC channel 2 transfer. Returns the remaining transfer |
mbed_official | 35:a8484e16c2f3 | 625 | * : byte count at the time of DMA transfer abort to the argument |
mbed_official | 35:a8484e16c2f3 | 626 | * : *remain. |
mbed_official | 35:a8484e16c2f3 | 627 | * Arguments : uint32_t * remain : Remaining transfer byte count when |
mbed_official | 35:a8484e16c2f3 | 628 | * : : DMA transfer is aborted |
mbed_official | 35:a8484e16c2f3 | 629 | * Return Value : none |
mbed_official | 35:a8484e16c2f3 | 630 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 631 | void usb0_function_DMAC2_Close (uint32_t * remain) |
mbed_official | 35:a8484e16c2f3 | 632 | { |
mbed_official | 35:a8484e16c2f3 | 633 | |
mbed_official | 35:a8484e16c2f3 | 634 | /* ==== Abort transfer ==== */ |
mbed_official | 35:a8484e16c2f3 | 635 | RZA_IO_RegWrite_32(&DMAC2.CHCTRL_n, |
mbed_official | 35:a8484e16c2f3 | 636 | 1, |
mbed_official | 35:a8484e16c2f3 | 637 | DMAC2_CHCTRL_n_CLREN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 638 | DMAC2_CHCTRL_n_CLREN); |
mbed_official | 35:a8484e16c2f3 | 639 | |
mbed_official | 35:a8484e16c2f3 | 640 | while (1 == RZA_IO_RegRead_32(&DMAC2.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 641 | DMAC2_CHSTAT_n_TACT_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 642 | DMAC2_CHSTAT_n_TACT)) |
mbed_official | 35:a8484e16c2f3 | 643 | { |
mbed_official | 35:a8484e16c2f3 | 644 | /* Loop until transfer is aborted */ |
mbed_official | 35:a8484e16c2f3 | 645 | } |
mbed_official | 35:a8484e16c2f3 | 646 | |
mbed_official | 35:a8484e16c2f3 | 647 | while (1 == RZA_IO_RegRead_32(&DMAC2.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 648 | DMAC2_CHSTAT_n_EN_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 649 | DMAC2_CHSTAT_n_EN)) |
mbed_official | 35:a8484e16c2f3 | 650 | { |
mbed_official | 35:a8484e16c2f3 | 651 | /* Loop until 0 is set in EN before checking the remaining transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 652 | } |
mbed_official | 35:a8484e16c2f3 | 653 | /* ==== Obtain remaining transfer byte count ==== */ |
mbed_official | 35:a8484e16c2f3 | 654 | *remain = DMAC2.CRTB_n; |
mbed_official | 35:a8484e16c2f3 | 655 | } |
mbed_official | 35:a8484e16c2f3 | 656 | |
mbed_official | 35:a8484e16c2f3 | 657 | /******************************************************************************* |
mbed_official | 35:a8484e16c2f3 | 658 | * Function Name: usb0_function_DMAC2_Load_Set |
mbed_official | 35:a8484e16c2f3 | 659 | * Description : Sets the transfer source address, transfer destination |
mbed_official | 35:a8484e16c2f3 | 660 | * : address, and total transfer byte count respectively |
mbed_official | 35:a8484e16c2f3 | 661 | * : specified by the argument src_addr, dst_addr, and count to |
mbed_official | 35:a8484e16c2f3 | 662 | * : DMAC channel 2 as DMA transfer information. |
mbed_official | 35:a8484e16c2f3 | 663 | * : Sets the register set selected by the CHCFG_n register |
mbed_official | 35:a8484e16c2f3 | 664 | * : RSEL bit from the Next0 or Next1 register set. |
mbed_official | 35:a8484e16c2f3 | 665 | * : This function should be called when DMA transfer of DMAC |
mbed_official | 35:a8484e16c2f3 | 666 | * : channel 2 is aboted. |
mbed_official | 35:a8484e16c2f3 | 667 | * Arguments : uint32_t src_addr : Transfer source address |
mbed_official | 35:a8484e16c2f3 | 668 | * : uint32_t dst_addr : Transfer destination address |
mbed_official | 35:a8484e16c2f3 | 669 | * : uint32_t count : Total transfer byte count |
mbed_official | 35:a8484e16c2f3 | 670 | * Return Value : none |
mbed_official | 35:a8484e16c2f3 | 671 | *******************************************************************************/ |
mbed_official | 35:a8484e16c2f3 | 672 | void usb0_function_DMAC2_Load_Set (uint32_t src_addr, uint32_t dst_addr, uint32_t count) |
mbed_official | 35:a8484e16c2f3 | 673 | { |
mbed_official | 35:a8484e16c2f3 | 674 | uint8_t reg_set; |
mbed_official | 35:a8484e16c2f3 | 675 | |
mbed_official | 35:a8484e16c2f3 | 676 | /* Obtain register set in use */ |
mbed_official | 35:a8484e16c2f3 | 677 | reg_set = RZA_IO_RegRead_32(&DMAC2.CHSTAT_n, |
mbed_official | 35:a8484e16c2f3 | 678 | DMAC2_CHSTAT_n_SR_SHIFT, |
mbed_official | 35:a8484e16c2f3 | 679 | DMAC2_CHSTAT_n_SR); |
mbed_official | 35:a8484e16c2f3 | 680 | |
mbed_official | 35:a8484e16c2f3 | 681 | /* ==== Load ==== */ |
mbed_official | 35:a8484e16c2f3 | 682 | if (0 == reg_set) |
mbed_official | 35:a8484e16c2f3 | 683 | { |
mbed_official | 35:a8484e16c2f3 | 684 | /* ---- Next0 Register Set ---- */ |
mbed_official | 35:a8484e16c2f3 | 685 | DMAC2.N0SA_n = src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 686 | DMAC2.N0DA_n = dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 687 | DMAC2.N0TB_n = count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 688 | } |
mbed_official | 35:a8484e16c2f3 | 689 | else |
mbed_official | 35:a8484e16c2f3 | 690 | { |
mbed_official | 35:a8484e16c2f3 | 691 | /* ---- Next1 Register Set ---- */ |
mbed_official | 35:a8484e16c2f3 | 692 | DMAC2.N1SA_n = src_addr; /* Start address of transfer source */ |
mbed_official | 35:a8484e16c2f3 | 693 | DMAC2.N1DA_n = dst_addr; /* Start address of transfer destination */ |
mbed_official | 35:a8484e16c2f3 | 694 | DMAC2.N1TB_n = count; /* Total transfer byte count */ |
mbed_official | 35:a8484e16c2f3 | 695 | } |
mbed_official | 35:a8484e16c2f3 | 696 | } |
mbed_official | 35:a8484e16c2f3 | 697 | |
mbed_official | 35:a8484e16c2f3 | 698 | /* End of File */ |