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提交裸机版工程

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ldz 2024-09-06 17:10:09 +08:00
parent 0e839fdba3
commit b0e72aa6df
1099 changed files with 607159 additions and 0 deletions
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75
软件/mouse_paw3395/MyCode/usr_spi.c Normal file
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#include "stm32f1xx_hal.h"
#include "Delay.h"
#include "usr_spi.h"
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
static void SPI_I2S_SendData(SPI_TypeDef* SPIx, uint16_t Data);
static uint16_t SPI_I2S_ReceiveData(SPI_TypeDef* SPIx);
extern SPI_HandleTypeDef hspi1;
uint8_t SPI_SendReceive(uint8_t data)
{
while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET){;}
SPI_I2S_SendData(SPI1, data);
while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET){;}
return SPI_I2S_ReceiveData(SPI1);
}
uint8_t read_register(uint8_t adress)
{
unsigned char temp;
CS_Low;
delay_125_ns(1);
temp=SPI_SendReceive(adress+0x00); //¶Á
delay_us(5);
temp=SPI_SendReceive(0xff); //ÌṩʱÖÓÐźÅ_¶Á
// CS_High;
return temp;
}
void writr_register(uint8_t adress,uint8_t vlue)
{
CS_Low;
delay_125_ns(1);
SPI_SendReceive(adress+0x80);
SPI_SendReceive(vlue);
CS_High;
delay_us(5);
}
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG)
{
FlagStatus bitstatus = RESET;
/* Check the parameters */
assert_param(IS_SPI_ALL_PERIPH(SPIx));
assert_param(IS_SPI_I2S_GET_FLAG(SPI_I2S_FLAG));
/* Check the status of the specified SPI/I2S flag */
if ((SPIx->SR & SPI_I2S_FLAG) != (uint16_t)RESET)
{
/* SPI_I2S_FLAG is set */
bitstatus = SET;
}
else
{
/* SPI_I2S_FLAG is reset */
bitstatus = RESET;
}
/* Return the SPI_I2S_FLAG status */
return bitstatus;
}
static void SPI_I2S_SendData(SPI_TypeDef* SPIx, uint16_t Data)
{
/* Check the parameters */
assert_param(IS_SPI_ALL_PERIPH(SPIx));
/* Write in the DR register the data to be sent */
SPIx->DR = Data;
}
static uint16_t SPI_I2S_ReceiveData(SPI_TypeDef* SPIx)
{
/* Check the parameters */
assert_param(IS_SPI_ALL_PERIPH(SPIx));
/* Return the data in the DR register */
return SPIx->DR;
}