GML-Group/SoftSPI_HAL_Lib
3
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Support multiple SoftSPIs

Browse Source
This commit is contained in:
lxbpxylps@126.com 2021-10-12 18:07:30 +08:00
parent e6d62c90e6
commit e129b212f5
3 changed files with 60 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

95
softspi.c
View File

@ -1,93 +1,104 @@
/** /**
* @file softspi.c * @file softspi.c
* @author Myth * @author Myth
* @version 0.1 * @version 0.2
* @date 2021.10.12 * @date 2021.10.12
* @brief STM32 SoftSPI Library * @brief STM32 SoftSPI Library
*/ */
#include "softspi.h" #include "softspi.h"
SoftSPI_InitTypeDef config; #define SCLK_Set HAL_GPIO_WritePin(SoftSPIx->SCLK_GPIO, SoftSPIx->SCLK_Pin, GPIO_PIN_SET)
#define SCLK_Clr HAL_GPIO_WritePin(SoftSPIx->SCLK_GPIO, SoftSPIx->SCLK_Pin, GPIO_PIN_RESET)
uint8_t GPIOx_Pin_Init(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode, uint32_t Pull); #define MOSI_Set HAL_GPIO_WritePin(SoftSPIx->MOSI_GPIO, SoftSPIx->MOSI_Pin, GPIO_PIN_SET)
#define MOSI_Clr HAL_GPIO_WritePin(SoftSPIx->MOSI_GPIO, SoftSPIx->MOSI_Pin, GPIO_PIN_RESET)
HAL_StatusTypeDef SoftSPI_Init(SoftSPI_InitTypeDef *SoftSPI_Initure) #define MISO_Read HAL_GPIO_ReadPin(SoftSPIx->MISO_GPIO, SoftSPIx->MISO_Pin)
#define SS_Set HAL_GPIO_WritePin(SoftSPIx->SS_GPIO, SoftSPIx->SS_Pin, GPIO_PIN_SET)
#define SS_Clr HAL_GPIO_WritePin(SoftSPIx->SS_GPIO, SoftSPIx->SS_Pin, GPIO_PIN_RESET)
#define Delay SoftSPI_Delay_us(SoftSPIx->Delay_Time)
uint8_t SoftSPI_GPIOx_Pin_Init(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode, uint32_t Pull);
HAL_StatusTypeDef SoftSPI_Init(SoftSPI_TypeDef *SoftSPIx)
{ {
config.SCLK_GPIO = SoftSPI_Initure->SCLK_GPIO; SoftSPIx->SCLK_GPIO = SoftSPIx->SCLK_GPIO;
config.SCLK_Pin = SoftSPI_Initure->SCLK_Pin; SoftSPIx->SCLK_Pin = SoftSPIx->SCLK_Pin;
if (!GPIOx_Pin_Init(config.SCLK_GPIO, config.SCLK_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL)) if (!SoftSPI_GPIOx_Pin_Init(SoftSPIx->SCLK_GPIO, SoftSPIx->SCLK_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL))
return HAL_ERROR; return HAL_ERROR;
config.MOSI_GPIO = SoftSPI_Initure->MOSI_GPIO; SoftSPIx->MOSI_GPIO = SoftSPIx->MOSI_GPIO;
config.MOSI_Pin = SoftSPI_Initure->MOSI_Pin; SoftSPIx->MOSI_Pin = SoftSPIx->MOSI_Pin;
if (!GPIOx_Pin_Init(config.MOSI_GPIO, config.MOSI_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL)) if (!SoftSPI_GPIOx_Pin_Init(SoftSPIx->MOSI_GPIO, SoftSPIx->MOSI_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL))
return HAL_ERROR; return HAL_ERROR;
config.MISO_GPIO = SoftSPI_Initure->MISO_GPIO; SoftSPIx->MISO_GPIO = SoftSPIx->MISO_GPIO;
config.MISO_Pin = SoftSPI_Initure->MISO_Pin; SoftSPIx->MISO_Pin = SoftSPIx->MISO_Pin;
if (!GPIOx_Pin_Init(config.MISO_GPIO, config.MISO_Pin, GPIO_MODE_INPUT, GPIO_PULLUP)) if (!SoftSPI_GPIOx_Pin_Init(SoftSPIx->MISO_GPIO, SoftSPIx->MISO_Pin, GPIO_MODE_INPUT, GPIO_PULLUP))
return HAL_ERROR; return HAL_ERROR;
config.SS_GPIO = SoftSPI_Initure->SS_GPIO; SoftSPIx->SS_GPIO = SoftSPIx->SS_GPIO;
config.SS_Pin = SoftSPI_Initure->SS_Pin; SoftSPIx->SS_Pin = SoftSPIx->SS_Pin;
if (!GPIOx_Pin_Init(config.SS_GPIO, config.SS_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL)) if (!SoftSPI_GPIOx_Pin_Init(SoftSPIx->SS_GPIO, SoftSPIx->SS_Pin, GPIO_MODE_OUTPUT_PP, GPIO_NOPULL))
return HAL_ERROR; return HAL_ERROR;
config.Delay_Time = SoftSPI_Initure->Delay_Time; SoftSPIx->Delay_Time = SoftSPIx->Delay_Time;
return HAL_OK; return HAL_OK;
} }
uint8_t SoftSPI_WriteRead(uint8_t byte) uint8_t SoftSPI_WriteRead(SoftSPI_TypeDef *SoftSPIx, uint8_t byte)
{ {
uint8_t data = 0; uint8_t data = 0;
uint8_t i; uint8_t i;
// Select Device // Select Device
HAL_GPIO_WritePin(config.SS_GPIO, config.SS_Pin, GPIO_PIN_RESET); SS_Clr;
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
{ {
HAL_GPIO_WritePin(config.SCLK_GPIO, config.SCLK_Pin, GPIO_PIN_RESET); SCLK_Clr;
SoftSPI_Delay_us(config.Delay_Time); Delay;
if (byte & 0x80) if (byte & 0x80)
HAL_GPIO_WritePin(config.MOSI_GPIO, config.MOSI_Pin, GPIO_PIN_SET); MOSI_Set;
else else
HAL_GPIO_WritePin(config.MOSI_GPIO, config.MOSI_Pin, GPIO_PIN_RESET); MOSI_Clr;
SoftSPI_Delay_us(config.Delay_Time); Delay;
byte <<= 1; byte <<= 1;
HAL_GPIO_WritePin(config.SCLK_GPIO, config.SCLK_Pin, GPIO_PIN_SET); SCLK_Set;
SoftSPI_Delay_us(config.Delay_Time); Delay;
data <<= 1; data <<= 1;
if (HAL_GPIO_ReadPin(config.MISO_GPIO, config.MISO_Pin) == GPIO_PIN_SET) if (MISO_Read == GPIO_PIN_SET)
data |= 0x01; data |= 0x01;
SoftSPI_Delay_us(config.Delay_Time); Delay;
} }
// Unselect Device // Unselect Device
HAL_GPIO_WritePin(config.SS_GPIO, config.SS_Pin, GPIO_PIN_SET); SS_Set;
return data; return data;
} }
void SoftSPI_WriteReadBuff(uint8_t *pWrite, uint8_t *pRead, uint32_t len) void SoftSPI_WriteReadBuff(SoftSPI_TypeDef *SoftSPIx, uint8_t *pWrite, uint8_t *pRead, uint32_t len)
{ {
uint8_t data; uint8_t data;
uint8_t byte; uint8_t byte;
uint8_t i, j; uint8_t i, j;
// Select Device // Select Device
HAL_GPIO_WritePin(config.SS_GPIO, config.SS_Pin, GPIO_PIN_RESET); SS_Clr;
for (j = 0; j < len; j++) for (j = 0; j < len; j++)
{ {
@ -96,35 +107,35 @@ void SoftSPI_WriteReadBuff(uint8_t *pWrite, uint8_t *pRead, uint32_t len)
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
{ {
HAL_GPIO_WritePin(config.SCLK_GPIO, config.SCLK_Pin, GPIO_PIN_RESET); SCLK_Clr;
SoftSPI_Delay_us(config.Delay_Time); Delay;
if (byte & 0x80) if (byte & 0x80)
HAL_GPIO_WritePin(config.MOSI_GPIO, config.MOSI_Pin, GPIO_PIN_SET); MOSI_Set;
else else
HAL_GPIO_WritePin(config.MOSI_GPIO, config.MOSI_Pin, GPIO_PIN_RESET); MOSI_Clr;
SoftSPI_Delay_us(config.Delay_Time); Delay;
byte <<= 1; byte <<= 1;
HAL_GPIO_WritePin(config.SCLK_GPIO, config.SCLK_Pin, GPIO_PIN_SET); SCLK_Set;
SoftSPI_Delay_us(config.Delay_Time); Delay;
data <<= 1; data <<= 1;
if (HAL_GPIO_ReadPin(config.MISO_GPIO, config.MISO_Pin) == GPIO_PIN_SET) if (MISO_Read == GPIO_PIN_SET)
data |= 0x01; data |= 0x01;
SoftSPI_Delay_us(config.Delay_Time); Delay;
} }
pRead[j] = data; pRead[j] = data;
} }
// Unselect Device // Unselect Device
HAL_GPIO_WritePin(config.SS_GPIO, config.SS_Pin, GPIO_PIN_SET); SS_Set;
} }
uint8_t GPIOx_Pin_Init(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode, uint32_t Pull) uint8_t SoftSPI_GPIOx_Pin_Init(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode, uint32_t Pull)
{ {
switch ((uint32_t)(GPIOx)) switch ((uint32_t)(GPIOx))
{ {

12
softspi.h
View File

@ -1,7 +1,7 @@
/** /**
* @file softspi.h * @file softspi.h
* @author Myth * @author Myth
* @version 0.1 * @version 0.2
* @date 2021.10.12 * @date 2021.10.12
* @brief STM32 SoftSPI Library * @brief STM32 SoftSPI Library
*/ */
@ -12,7 +12,7 @@
#include "softspi_conf.h" #include "softspi_conf.h"
/** /**
* @brief SoftSPI Configuration Structure definition * @brief SoftSPI Structure definition
*/ */
typedef struct typedef struct
{ {
@ -29,12 +29,12 @@ typedef struct
uint32_t SS_Pin; uint32_t SS_Pin;
uint32_t Delay_Time; uint32_t Delay_Time;
} SoftSPI_InitTypeDef; } SoftSPI_TypeDef;
HAL_StatusTypeDef SoftSPI_Init(SoftSPI_InitTypeDef *SoftSPI_Initure); HAL_StatusTypeDef SoftSPI_Init(SoftSPI_TypeDef *SoftSPIx);
uint8_t SoftSPI_WriteRead(uint8_t byte); uint8_t SoftSPI_WriteRead(SoftSPI_TypeDef *SoftSPIx, uint8_t byte);
void SoftSPI_WriteReadBuff(uint8_t *pWrite, uint8_t *pRead, uint32_t len); void SoftSPI_WriteReadBuff(SoftSPI_TypeDef *SoftSPIx, uint8_t *pWrite, uint8_t *pRead, uint32_t len);
#endif #endif

2
softspi_conf.h
View File

@ -1,7 +1,7 @@
/** /**
* @file softspi_conf.h * @file softspi_conf.h
* @author Myth * @author Myth
* @version 0.1 * @version 0.2
* @date 2021.10.12 * @date 2021.10.12
* @brief STM32 SoftSPI Library Config File * @brief STM32 SoftSPI Library Config File
*/ */