88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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#ifndef _DRV_SPI_H_
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#define _DRV_SPI_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "kit_macro.h"
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typedef enum
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{
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kSpiDev_1,
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kSpiDev_2,
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kSpiDev_3,
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kSpiDev_End,
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}SpiDev;
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//在CLOCK_PCLK2_FREQ 和 CLOCK_PCLK1_FREQ 基础上进行分频
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typedef enum
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{
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kSpiFreq_Div2 = 0,
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kSpiFreq_Div4,
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kSpiFreq_Div8,
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kSpiFreq_Div16,
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kSpiFreq_Div32,
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kSpiFreq_Div64,
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kSpiFreq_Div128,
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kSpiFreq_Div256,
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kSpiFreq_End,
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}SpiFreq;
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/********************************************************************
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CPOL CPHA
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MODE0 0 0
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MODE1 0 1
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MODE2 1 0
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MODE3 1 1
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CPOL: SPI空闲时的时钟信号电平(1:高电平, 0:低电平)
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CPHA: SPI在时钟第几个边沿采样(1:第二个边沿开始, 0:第一个边沿开始)
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**********************************************************************/
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typedef enum
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{
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kSpiMode_C0E0,
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kSpiMode_C0E1,
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kSpiMode_C1E0,
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kSpiMode_C1E1,
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kSpiMode_End,
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}SpiMode;
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typedef enum
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{
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SpiFrame_MSBFirst,
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SpiFrame_LSBFirst,
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SpiFrame_End,
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}SpiFrame;
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#define SPI_CFG_CPHA_0 (0u)
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#define SPI_CFG_CPHA_1 KIT_CREAT_BIT(0)
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#define SPI_CFG_CPOL_0 (0u)
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#define SPI_CFG_CPOL_1 KIT_CREAT_BIT(1)
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#define SPI_CFG_SLAVER (0u)
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#define SPI_CFG_MASTER (0x0104u)
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#define SPI_CFG_DISABLE (0u)
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#define SPI_CFG_ENABLE KIT_CREAT_BIT(6)
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#define SPI_CFG_MSB (0u)
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#define SPI_CFG_LSB KIT_CREAT_BIT(7)
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#define SPI_CFG_CS_HARD (0u) //CS由外设控制
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#define SPI_CFG_CS_SOFT KIT_CREAT_BIT(9) //CS由软件控制
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#define SPI_CFG_2L_RX_TX (0u) //双线收发
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#define SPI_CFG_2L_RX (0x0400u) //双线只收
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#define SPI_CFG_1L (0x8000u) //单线制
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#define SPI_CFG_FRAME_TI (0x100000u) //单线制
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KitResult drv_spi_init(SpiDev dev, SpiFreq freq, SpiMode mode, SpiFrame frame_order, uint16_t sck_idx, uint16_t miso_idx, uint16_t mosi_idx);
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KitResult drv_spi_init1(SpiDev dev, SpiFreq freq, uint32_t spi_config, uint16_t sck_idx, uint16_t miso_idx, uint16_t mosi_idx);
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KitResult drv_spi_set_dma(SpiDev dev, bool is_rx_en, bool is_tx_en);
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KitResult drv_spi_sync_send_receive(SpiDev dev, uint8_t *data);
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KitResult drv_spi_series_sync_send_receive(SpiDev dev, uint8_t *tx_buf, uint16_t tx_len, uint8_t *rx_buf, uint16_t rx_len);
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KitResult drv_spi_dma_sync_send(SpiDev dev, uint8_t *tx_buf, uint16_t tx_len);
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KitResult drv_spi_dma_sync_receive(SpiDev dev, uint8_t *rx_buf, uint16_t rx_len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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