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SPI to new IO (including SDCARD)

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This commit is contained in:
blckmn 2016-06-03 22:56:45 +10:00
parent 37e7b5ee4a
commit 9c1c4fef33
19 changed files with 471 additions and 657 deletions
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59
src/main/drivers/bus_spi.h
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@ -22,9 +22,64 @@
#define SPI_18MHZ_CLOCK_DIVIDER 2
#define SPI_9MHZ_CLOCK_DIVIDER 4
bool spiInit(SPI_TypeDef *instance);
#include <stdint.h>
#include "io.h"
#include "rcc.h"
#if defined(STM32F40_41xxx) || defined (STM32F411xE) || defined(STM32F303xC)
#define SPI_IO_AF_CFG IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, GPIO_PuPd_NOPULL)
#define SPI_IO_AF_SCK_CFG IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, GPIO_PuPd_DOWN)
#define SPI_IO_AF_MISO_CFG IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, GPIO_PuPd_UP)
#define SPI_IO_CS_CFG IO_CONFIG(GPIO_Mode_OUT, GPIO_Speed_50MHz, GPIO_OType_PP, GPIO_PuPd_NOPULL)
#elif defined(STM32F10X)
#define SPI_IO_AF_CFG IO_CONFIG(GPIO_Mode_AF_OD, GPIO_Speed_50MHz)
#define SPI_IO_CS_CFG IO_CONFIG(GPIO_Mode_Out_OD, GPIO_Speed_50MHz)
#else
#error "Unknown processor"
#endif
#if defined(STM32F40_41xxx) || defined (STM32F411xE)
#define SPI_SLOW_CLOCK 128 //00.65625 MHz
#define SPI_STANDARD_CLOCK 8 //11.50000 MHz
#define SPI_FAST_CLOCK 4 //21.00000 MHz
#define SPI_ULTRAFAST_CLOCK 2 //42.00000 MHz
#else
#define SPI_SLOW_CLOCK 128 //00.56250 MHz
#define SPI_STANDARD_CLOCK 4 //09.00000 MHz
#define SPI_FAST_CLOCK 2 //18.00000 MHz
#define SPI_ULTRAFAST_CLOCK 2 //18.00000 MHz
#endif
typedef enum SPIDevice {
SPIINVALID = -1,
SPIDEV_1 = 0,
SPIDEV_2,
SPIDEV_3,
SPIDEV_MAX = SPIDEV_3,
} SPIDevice;
typedef struct SPIDevice_s {
SPI_TypeDef *dev;
ioTag_t nss;
ioTag_t sck;
ioTag_t mosi;
ioTag_t miso;
rccPeriphTag_t rcc;
uint8_t af;
volatile uint16_t errorCount;
bool sdcard;
} spiDevice_t;
bool spiInit(SPIDevice device);
void spiSetDivisor(SPI_TypeDef *instance, uint16_t divisor);
uint8_t spiTransferByte(SPI_TypeDef *instance, uint8_t in);
bool spiIsBusBusy(SPI_TypeDef *instance);
void spiTransfer(SPI_TypeDef *instance, uint8_t *out, const uint8_t *in, int len);
bool spiTransfer(SPI_TypeDef *instance, uint8_t *out, const uint8_t *in, int len);
uint16_t spiGetErrorCounter(SPI_TypeDef *instance);
void spiResetErrorCounter(SPI_TypeDef *instance);