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Diff: libs/LPC17xx/LPC17xxLib/inc/lpc17xx_ssp.h
- Revision:
- 3:f151d08d335c
- Parent:
- 2:1df0b61d3b5a
diff -r 1df0b61d3b5a -r f151d08d335c libs/LPC17xx/LPC17xxLib/inc/lpc17xx_ssp.h --- a/libs/LPC17xx/LPC17xxLib/inc/lpc17xx_ssp.h Fri Feb 28 18:52:52 2014 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,466 +0,0 @@ -/********************************************************************** -* $Id$ lpc17xx_ssp.h 2010-06-18 -*//** -* @file lpc17xx_ssp.h -* @brief Contains all macro definitions and function prototypes -* support for SSP firmware library on LPC17xx -* @version 3.0 -* @date 18. June. 2010 -* @author NXP MCU SW Application Team -* -* Copyright(C) 2010, NXP Semiconductor -* All rights reserved. -* -*********************************************************************** -* Software that is described herein is for illustrative purposes only -* which provides customers with programming information regarding the -* products. This software is supplied "AS IS" without any warranties. -* NXP Semiconductors assumes no responsibility or liability for the -* use of the software, conveys no license or title under any patent, -* copyright, or mask work right to the product. NXP Semiconductors -* reserves the right to make changes in the software without -* notification. NXP Semiconductors also make no representation or -* warranty that such application will be suitable for the specified -* use without further testing or modification. -**********************************************************************/ - -/* Peripheral group ----------------------------------------------------------- */ -/** @defgroup SSP SSP (Synchronous Serial Port) - * @ingroup LPC1700CMSIS_FwLib_Drivers - * @{ - */ - -#ifndef LPC17XX_SSP_H_ -#define LPC17XX_SSP_H_ - -/* Includes ------------------------------------------------------------------- */ -#include "LPC17xx.h" -#include "lpc_types.h" - - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Public Macros -------------------------------------------------------------- */ -/** @defgroup SSP_Public_Macros SSP Public Macros - * @{ - */ - -/*********************************************************************//** - * SSP configuration parameter defines - **********************************************************************/ -/** Clock phase control bit */ -#define SSP_CPHA_FIRST ((uint32_t)(0)) -#define SSP_CPHA_SECOND SSP_CR0_CPHA_SECOND - - -/** Clock polarity control bit */ -/* There's no bug here!!! - * - If bit[6] in SSPnCR0 is 0: SSP controller maintains the bus clock low between frames. - * That means the active clock is in HI state. - * - If bit[6] in SSPnCR0 is 1 (SSP_CR0_CPOL_HI): SSP controller maintains the bus clock - * high between frames. That means the active clock is in LO state. - */ -#define SSP_CPOL_HI ((uint32_t)(0)) -#define SSP_CPOL_LO SSP_CR0_CPOL_HI - -/** SSP master mode enable */ -#define SSP_SLAVE_MODE SSP_CR1_SLAVE_EN -#define SSP_MASTER_MODE ((uint32_t)(0)) - -/** SSP data bit number defines */ -#define SSP_DATABIT_4 SSP_CR0_DSS(4) /*!< Databit number = 4 */ -#define SSP_DATABIT_5 SSP_CR0_DSS(5) /*!< Databit number = 5 */ -#define SSP_DATABIT_6 SSP_CR0_DSS(6) /*!< Databit number = 6 */ -#define SSP_DATABIT_7 SSP_CR0_DSS(7) /*!< Databit number = 7 */ -#define SSP_DATABIT_8 SSP_CR0_DSS(8) /*!< Databit number = 8 */ -#define SSP_DATABIT_9 SSP_CR0_DSS(9) /*!< Databit number = 9 */ -#define SSP_DATABIT_10 SSP_CR0_DSS(10) /*!< Databit number = 10 */ -#define SSP_DATABIT_11 SSP_CR0_DSS(11) /*!< Databit number = 11 */ -#define SSP_DATABIT_12 SSP_CR0_DSS(12) /*!< Databit number = 12 */ -#define SSP_DATABIT_13 SSP_CR0_DSS(13) /*!< Databit number = 13 */ -#define SSP_DATABIT_14 SSP_CR0_DSS(14) /*!< Databit number = 14 */ -#define SSP_DATABIT_15 SSP_CR0_DSS(15) /*!< Databit number = 15 */ -#define SSP_DATABIT_16 SSP_CR0_DSS(16) /*!< Databit number = 16 */ - -/** SSP Frame Format definition */ -/** Motorola SPI mode */ -#define SSP_FRAME_SPI SSP_CR0_FRF_SPI -/** TI synchronous serial mode */ -#define SSP_FRAME_TI SSP_CR0_FRF_TI -/** National Micro-wire mode */ -#define SSP_FRAME_MICROWIRE SSP_CR0_FRF_MICROWIRE - -/*********************************************************************//** - * SSP Status defines - **********************************************************************/ -/** SSP status TX FIFO Empty bit */ -#define SSP_STAT_TXFIFO_EMPTY SSP_SR_TFE -/** SSP status TX FIFO not full bit */ -#define SSP_STAT_TXFIFO_NOTFULL SSP_SR_TNF -/** SSP status RX FIFO not empty bit */ -#define SSP_STAT_RXFIFO_NOTEMPTY SSP_SR_RNE -/** SSP status RX FIFO full bit */ -#define SSP_STAT_RXFIFO_FULL SSP_SR_RFF -/** SSP status SSP Busy bit */ -#define SSP_STAT_BUSY SSP_SR_BSY - -/*********************************************************************//** - * SSP Interrupt Configuration defines - **********************************************************************/ -/** Receive Overrun */ -#define SSP_INTCFG_ROR SSP_IMSC_ROR -/** Receive TimeOut */ -#define SSP_INTCFG_RT SSP_IMSC_RT -/** Rx FIFO is at least half full */ -#define SSP_INTCFG_RX SSP_IMSC_RX -/** Tx FIFO is at least half empty */ -#define SSP_INTCFG_TX SSP_IMSC_TX - -/*********************************************************************//** - * SSP Configured Interrupt Status defines - **********************************************************************/ -/** Receive Overrun */ -#define SSP_INTSTAT_ROR SSP_MIS_ROR -/** Receive TimeOut */ -#define SSP_INTSTAT_RT SSP_MIS_RT -/** Rx FIFO is at least half full */ -#define SSP_INTSTAT_RX SSP_MIS_RX -/** Tx FIFO is at least half empty */ -#define SSP_INTSTAT_TX SSP_MIS_TX - -/*********************************************************************//** - * SSP Raw Interrupt Status defines - **********************************************************************/ -/** Receive Overrun */ -#define SSP_INTSTAT_RAW_ROR SSP_RIS_ROR -/** Receive TimeOut */ -#define SSP_INTSTAT_RAW_RT SSP_RIS_RT -/** Rx FIFO is at least half full */ -#define SSP_INTSTAT_RAW_RX SSP_RIS_RX -/** Tx FIFO is at least half empty */ -#define SSP_INTSTAT_RAW_TX SSP_RIS_TX - -/*********************************************************************//** - * SSP Interrupt Clear defines - **********************************************************************/ -/** Writing a 1 to this bit clears the "frame was received when - * RxFIFO was full" interrupt */ -#define SSP_INTCLR_ROR SSP_ICR_ROR -/** Writing a 1 to this bit clears the "Rx FIFO was not empty and - * has not been read for a timeout period" interrupt */ -#define SSP_INTCLR_RT SSP_ICR_RT - -/*********************************************************************//** - * SSP DMA defines - **********************************************************************/ -/** SSP bit for enabling RX DMA */ -#define SSP_DMA_RX SSP_DMA_RXDMA_EN -/** SSP bit for enabling TX DMA */ -#define SSP_DMA_TX SSP_DMA_TXDMA_EN - -/* SSP Status Implementation definitions */ -#define SSP_STAT_DONE (1UL<<8) /**< Done */ -#define SSP_STAT_ERROR (1UL<<9) /**< Error */ - -/** - * @} - */ - -/* Private Macros ------------------------------------------------------------- */ -/** @defgroup SSP_Private_Macros SSP Private Macros - * @{ - */ - -/* --------------------- BIT DEFINITIONS -------------------------------------- */ -/*********************************************************************//** - * Macro defines for CR0 register - **********************************************************************/ -/** SSP data size select, must be 4 bits to 16 bits */ -#define SSP_CR0_DSS(n) ((uint32_t)((n-1)&0xF)) -/** SSP control 0 Motorola SPI mode */ -#define SSP_CR0_FRF_SPI ((uint32_t)(0<<4)) -/** SSP control 0 TI synchronous serial mode */ -#define SSP_CR0_FRF_TI ((uint32_t)(1<<4)) -/** SSP control 0 National Micro-wire mode */ -#define SSP_CR0_FRF_MICROWIRE ((uint32_t)(2<<4)) -/** SPI clock polarity bit (used in SPI mode only), (1) = maintains the - bus clock high between frames, (0) = low */ -#define SSP_CR0_CPOL_HI ((uint32_t)(1<<6)) -/** SPI clock out phase bit (used in SPI mode only), (1) = captures data - on the second clock transition of the frame, (0) = first */ -#define SSP_CR0_CPHA_SECOND ((uint32_t)(1<<7)) -/** SSP serial clock rate value load macro, divider rate is - PERIPH_CLK / (cpsr * (SCR + 1)) */ -#define SSP_CR0_SCR(n) ((uint32_t)((n&0xFF)<<8)) -/** SSP CR0 bit mask */ -#define SSP_CR0_BITMASK ((uint32_t)(0xFFFF)) - -/*********************************************************************//** - * Macro defines for CR1 register - **********************************************************************/ -/** SSP control 1 loopback mode enable bit */ -#define SSP_CR1_LBM_EN ((uint32_t)(1<<0)) -/** SSP control 1 enable bit */ -#define SSP_CR1_SSP_EN ((uint32_t)(1<<1)) -/** SSP control 1 slave enable */ -#define SSP_CR1_SLAVE_EN ((uint32_t)(1<<2)) -/** SSP control 1 slave out disable bit, disables transmit line in slave - mode */ -#define SSP_CR1_SO_DISABLE ((uint32_t)(1<<3)) -/** SSP CR1 bit mask */ -#define SSP_CR1_BITMASK ((uint32_t)(0x0F)) - -/*********************************************************************//** - * Macro defines for DR register - **********************************************************************/ -/** SSP data bit mask */ -#define SSP_DR_BITMASK(n) ((n)&0xFFFF) - -/*********************************************************************//** - * Macro defines for SR register - **********************************************************************/ -/** SSP status TX FIFO Empty bit */ -#define SSP_SR_TFE ((uint32_t)(1<<0)) -/** SSP status TX FIFO not full bit */ -#define SSP_SR_TNF ((uint32_t)(1<<1)) -/** SSP status RX FIFO not empty bit */ -#define SSP_SR_RNE ((uint32_t)(1<<2)) -/** SSP status RX FIFO full bit */ -#define SSP_SR_RFF ((uint32_t)(1<<3)) -/** SSP status SSP Busy bit */ -#define SSP_SR_BSY ((uint32_t)(1<<4)) -/** SSP SR bit mask */ -#define SSP_SR_BITMASK ((uint32_t)(0x1F)) - -/*********************************************************************//** - * Macro defines for CPSR register - **********************************************************************/ -/** SSP clock prescaler */ -#define SSP_CPSR_CPDVSR(n) ((uint32_t)(n&0xFF)) -/** SSP CPSR bit mask */ -#define SSP_CPSR_BITMASK ((uint32_t)(0xFF)) - -/*********************************************************************//** - * Macro define for (IMSC) Interrupt Mask Set/Clear registers - **********************************************************************/ -/** Receive Overrun */ -#define SSP_IMSC_ROR ((uint32_t)(1<<0)) -/** Receive TimeOut */ -#define SSP_IMSC_RT ((uint32_t)(1<<1)) -/** Rx FIFO is at least half full */ -#define SSP_IMSC_RX ((uint32_t)(1<<2)) -/** Tx FIFO is at least half empty */ -#define SSP_IMSC_TX ((uint32_t)(1<<3)) -/** IMSC bit mask */ -#define SSP_IMSC_BITMASK ((uint32_t)(0x0F)) - -/*********************************************************************//** - * Macro define for (RIS) Raw Interrupt Status registers - **********************************************************************/ -/** Receive Overrun */ -#define SSP_RIS_ROR ((uint32_t)(1<<0)) -/** Receive TimeOut */ -#define SSP_RIS_RT ((uint32_t)(1<<1)) -/** Rx FIFO is at least half full */ -#define SSP_RIS_RX ((uint32_t)(1<<2)) -/** Tx FIFO is at least half empty */ -#define SSP_RIS_TX ((uint32_t)(1<<3)) -/** RIS bit mask */ -#define SSP_RIS_BITMASK ((uint32_t)(0x0F)) - -/*********************************************************************//** - * Macro define for (MIS) Masked Interrupt Status registers - **********************************************************************/ -/** Receive Overrun */ -#define SSP_MIS_ROR ((uint32_t)(1<<0)) -/** Receive TimeOut */ -#define SSP_MIS_RT ((uint32_t)(1<<1)) -/** Rx FIFO is at least half full */ -#define SSP_MIS_RX ((uint32_t)(1<<2)) -/** Tx FIFO is at least half empty */ -#define SSP_MIS_TX ((uint32_t)(1<<3)) -/** MIS bit mask */ -#define SSP_MIS_BITMASK ((uint32_t)(0x0F)) - -/*********************************************************************//** - * Macro define for (ICR) Interrupt Clear registers - **********************************************************************/ -/** Writing a 1 to this bit clears the "frame was received when - * RxFIFO was full" interrupt */ -#define SSP_ICR_ROR ((uint32_t)(1<<0)) -/** Writing a 1 to this bit clears the "Rx FIFO was not empty and - * has not been read for a timeout period" interrupt */ -#define SSP_ICR_RT ((uint32_t)(1<<1)) -/** ICR bit mask */ -#define SSP_ICR_BITMASK ((uint32_t)(0x03)) - -/*********************************************************************//** - * Macro defines for DMACR register - **********************************************************************/ -/** SSP bit for enabling RX DMA */ -#define SSP_DMA_RXDMA_EN ((uint32_t)(1<<0)) -/** SSP bit for enabling TX DMA */ -#define SSP_DMA_TXDMA_EN ((uint32_t)(1<<1)) -/** DMACR bit mask */ -#define SSP_DMA_BITMASK ((uint32_t)(0x03)) - - -/* ---------------- CHECK PARAMETER DEFINITIONS ---------------------------- */ -/** Macro to determine if it is valid SSP port number */ -#define PARAM_SSPx(n) ((((uint32_t *)n)==((uint32_t *)LPC_SSP0)) \ -|| (((uint32_t *)n)==((uint32_t *)LPC_SSP1))) - -/** Macro check clock phase control mode */ -#define PARAM_SSP_CPHA(n) ((n==SSP_CPHA_FIRST) || (n==SSP_CPHA_SECOND)) - -/** Macro check clock polarity mode */ -#define PARAM_SSP_CPOL(n) ((n==SSP_CPOL_HI) || (n==SSP_CPOL_LO)) - -/* Macro check master/slave mode */ -#define PARAM_SSP_MODE(n) ((n==SSP_SLAVE_MODE) || (n==SSP_MASTER_MODE)) - -/* Macro check databit value */ -#define PARAM_SSP_DATABIT(n) ((n==SSP_DATABIT_4) || (n==SSP_DATABIT_5) \ -|| (n==SSP_DATABIT_6) || (n==SSP_DATABIT_16) \ -|| (n==SSP_DATABIT_7) || (n==SSP_DATABIT_8) \ -|| (n==SSP_DATABIT_9) || (n==SSP_DATABIT_10) \ -|| (n==SSP_DATABIT_11) || (n==SSP_DATABIT_12) \ -|| (n==SSP_DATABIT_13) || (n==SSP_DATABIT_14) \ -|| (n==SSP_DATABIT_15)) - -/* Macro check frame type */ -#define PARAM_SSP_FRAME(n) ((n==SSP_FRAME_SPI) || (n==SSP_FRAME_TI)\ -|| (n==SSP_FRAME_MICROWIRE)) - -/* Macro check SSP status */ -#define PARAM_SSP_STAT(n) ((n==SSP_STAT_TXFIFO_EMPTY) || (n==SSP_STAT_TXFIFO_NOTFULL) \ -|| (n==SSP_STAT_RXFIFO_NOTEMPTY) || (n==SSP_STAT_RXFIFO_FULL) \ -|| (n==SSP_STAT_BUSY)) - -/* Macro check interrupt configuration */ -#define PARAM_SSP_INTCFG(n) ((n==SSP_INTCFG_ROR) || (n==SSP_INTCFG_RT) \ -|| (n==SSP_INTCFG_RX) || (n==SSP_INTCFG_TX)) - -/* Macro check interrupt status value */ -#define PARAM_SSP_INTSTAT(n) ((n==SSP_INTSTAT_ROR) || (n==SSP_INTSTAT_RT) \ -|| (n==SSP_INTSTAT_RX) || (n==SSP_INTSTAT_TX)) - -/* Macro check interrupt status raw value */ -#define PARAM_SSP_INTSTAT_RAW(n) ((n==SSP_INTSTAT_RAW_ROR) || (n==SSP_INTSTAT_RAW_RT) \ -|| (n==SSP_INTSTAT_RAW_RX) || (n==SSP_INTSTAT_RAW_TX)) - -/* Macro check interrupt clear mode */ -#define PARAM_SSP_INTCLR(n) ((n==SSP_INTCLR_ROR) || (n==SSP_INTCLR_RT)) - -/* Macro check DMA mode */ -#define PARAM_SSP_DMA(n) ((n==SSP_DMA_TX) || (n==SSP_DMA_RX)) -/** - * @} - */ - - -/* Public Types --------------------------------------------------------------- */ -/** @defgroup SSP_Public_Types SSP Public Types - * @{ - */ - -/** @brief SSP configuration structure */ -typedef struct { - uint32_t Databit; /** Databit number, should be SSP_DATABIT_x, - where x is in range from 4 - 16 */ - uint32_t CPHA; /** Clock phase, should be: - - SSP_CPHA_FIRST: first clock edge - - SSP_CPHA_SECOND: second clock edge */ - uint32_t CPOL; /** Clock polarity, should be: - - SSP_CPOL_HI: high level - - SSP_CPOL_LO: low level */ - uint32_t Mode; /** SSP mode, should be: - - SSP_MASTER_MODE: Master mode - - SSP_SLAVE_MODE: Slave mode */ - uint32_t FrameFormat; /** Frame Format: - - SSP_FRAME_SPI: Motorola SPI frame format - - SSP_FRAME_TI: TI frame format - - SSP_FRAME_MICROWIRE: National Microwire frame format */ - uint32_t ClockRate; /** Clock rate,in Hz */ -} SSP_CFG_Type; - -/** - * @brief SSP Transfer Type definitions - */ -typedef enum { - SSP_TRANSFER_POLLING = 0, /**< Polling transfer */ - SSP_TRANSFER_INTERRUPT /**< Interrupt transfer */ -} SSP_TRANSFER_Type; - -/** - * @brief SPI Data configuration structure definitions - */ -typedef struct { - void *tx_data; /**< Pointer to transmit data */ - uint32_t tx_cnt; /**< Transmit counter */ - void *rx_data; /**< Pointer to transmit data */ - uint32_t rx_cnt; /**< Receive counter */ - uint32_t length; /**< Length of transfer data */ - uint32_t status; /**< Current status of SSP activity */ -} SSP_DATA_SETUP_Type; - - -/** - * @} - */ - - -/* Public Functions ----------------------------------------------------------- */ -/** @defgroup SSP_Public_Functions SSP Public Functions - * @{ - */ - -/* SSP Init/DeInit functions --------------------------------------------------*/ -void SSP_Init(LPC_SSP_TypeDef *SSPx, SSP_CFG_Type *SSP_ConfigStruct); -void SSP_DeInit(LPC_SSP_TypeDef* SSPx); - -/* SSP configure functions ----------------------------------------------------*/ -void SSP_ConfigStructInit(SSP_CFG_Type *SSP_InitStruct); - -/* SSP enable/disable functions -----------------------------------------------*/ -void SSP_Cmd(LPC_SSP_TypeDef* SSPx, FunctionalState NewState); -void SSP_LoopBackCmd(LPC_SSP_TypeDef* SSPx, FunctionalState NewState); -void SSP_SlaveOutputCmd(LPC_SSP_TypeDef* SSPx, FunctionalState NewState); -void SSP_DMACmd(LPC_SSP_TypeDef *SSPx, uint32_t DMAMode, FunctionalState NewState); - -/* SSP get information functions ----------------------------------------------*/ -FlagStatus SSP_GetStatus(LPC_SSP_TypeDef* SSPx, uint32_t FlagType); -uint8_t SSP_GetDataSize(LPC_SSP_TypeDef* SSPx); -IntStatus SSP_GetRawIntStatus(LPC_SSP_TypeDef *SSPx, uint32_t RawIntType); -uint32_t SSP_GetRawIntStatusReg(LPC_SSP_TypeDef *SSPx); -IntStatus SSP_GetIntStatus (LPC_SSP_TypeDef *SSPx, uint32_t IntType); - -/* SSP transfer data functions ------------------------------------------------*/ -void SSP_SendData(LPC_SSP_TypeDef* SSPx, uint16_t Data); -uint16_t SSP_ReceiveData(LPC_SSP_TypeDef* SSPx); -int32_t SSP_ReadWrite (LPC_SSP_TypeDef *SSPx, SSP_DATA_SETUP_Type *dataCfg, \ - SSP_TRANSFER_Type xfType); - -/* SSP IRQ function ------------------------------------------------------------*/ -void SSP_IntConfig(LPC_SSP_TypeDef *SSPx, uint32_t IntType, FunctionalState NewState); -void SSP_ClearIntPending(LPC_SSP_TypeDef *SSPx, uint32_t IntType); - - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* LPC17XX_SSP_H_ */ - -/** - * @} - */ - -/* --------------------------------- End Of File ------------------------------ */