怎么没有TJA1145AT/FD收发器的配置,请用Sbc_Reg_Write(uint8 ucReq, uint8 ucData, uint8 clearFlag)这个函数来完成配置
时间: 2023-07-26 12:28:11 浏览: 48
好的,如果您需要使用Sbc_Reg_Write函数来完成TJA1145AT/FD收发器的配置,可以按照以下步骤进行:
1. 确定要配置的寄存器地址和要写入的数据。
2. 调用Sbc_Reg_Write函数,将要写入的数据和寄存器地址作为参数传入。
3. 如果需要执行清除操作,将clearFlag参数设置为1,否则设置为0。
下面是一个示例代码,用于将数据0x01写入TJA1145AT/FD的寄存器地址0x10中,同时执行清除操作:
```
Sbc_Reg_Write(0x10, 0x01, 1);
```
请注意,具体的寄存器地址和写入数据应根据您的具体需求进行调整。另外,需要根据您的系统架构和硬件接口,对Sbc_Reg_Write函数进行相应的修改和适配。
相关问题
怎么没有TJA1145AT/FD收发器的配置,请用Spi_WriteIB这个函数来完成配置
好的,以下是基于SPI接口使用Spi_WriteIB函数来配置TJA1145AT/FD收发器的代码。
1. 定义TJA1145AT/FD寄存器地址
```c
#define TJA1145ATFD_REG_CAN_CONFIG 0x00
#define TJA1145ATFD_REG_CAN_STATUS 0x01
#define TJA1145ATFD_REG_CAN_ERROR_COUNTER 0x02
#define TJA1145ATFD_REG_CAN_BUS_DIAGNOSTIC 0x03
#define TJA1145ATFD_REG_CAN_CTRL 0x04
#define TJA1145ATFD_REG_CLKOUT_DIV 0x05
#define TJA1145ATFD_REG_PHY_CTRL 0x06
#define TJA1145ATFD_REG_WAKE_CTRL 0x07
#define TJA1145ATFD_REG_INT_CTRL 0x08
#define TJA1145ATFD_REG_INT_STATUS 0x09
#define TJA1145ATFD_REG_SPI_CTRL 0x0A
#define TJA1145ATFD_REG_CAN_DATA_A 0x10
#define TJA1145ATFD_REG_CAN_DATA_B 0x11
#define TJA1145ATFD_REG_CAN_DATA_C 0x12
#define TJA1145ATFD_REG_CAN_DATA_D 0x13
#define TJA1145ATFD_REG_CAN_DATA_E 0x14
#define TJA1145ATFD_REG_CAN_DATA_F 0x15
#define TJA1145ATFD_REG_CAN_DATA_G 0x16
#define TJA1145ATFD_REG_CAN_DATA_H 0x17
```
2. 定义Spi_WriteIB函数
```c
status_t Spi_WriteIB(SPI_Type *base, spi_transfer_t *xfer, uint32_t count)
{
status_t status;
uint8_t data;
uint32_t remainingBytes = count;
uint8_t *txData = xfer->txData;
uint8_t *rxData = xfer->rxData;
uint8_t dummyData = 0xFFU;
/* Start the transfer by writting first byte into the data register */
data = *txData;
base->PUSHR = data;
/* Wait for the transfer to complete */
while (remainingBytes--)
{
/* Wait for the TX FIFO to be empty */
while ((base->SR & SPI_SR_TFFF_MASK) == 0)
{
}
/* Send the next data byte */
if (remainingBytes > 0)
{
data = *++txData;
base->PUSHR = data;
}
else
{
base->PUSHR = dummyData;
}
/* Wait for the RX FIFO to be full */
while ((base->SR & SPI_SR_RFDF_MASK) == 0)
{
}
/* Read the received data */
data = base->POPR;
/* Save the received data */
if (rxData)
{
*rxData++ = data;
}
}
/* Wait for the TX FIFO to be empty */
while ((base->SR & SPI_SR_TFFF_MASK) == 0)
{
}
/* Wait for the transfer to complete */
while ((base->SR & SPI_SR_TXCTR_MASK) != 0)
{
}
/* Check for errors */
status = SPI_GetStatusFlags(base);
if (status != kStatus_Success)
{
SPI_ClearStatusFlags(base, status);
return status;
}
return kStatus_Success;
}
```
3. 配置TJA1145AT/FD收发器
```c
void Config_TJA1145ATFD(void)
{
/* Configure TJA1145AT/FD registers */
uint8_t data[2];
/* Configure CAN Control register */
data[0] = TJA1145ATFD_REG_CAN_CTRL;
data[1] = 0x00; // Normal mode
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure PHY Control register */
data[0] = TJA1145ATFD_REG_PHY_CTRL;
data[1] = 0x00; // Normal mode
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure Wake Control register */
data[0] = TJA1145ATFD_REG_WAKE_CTRL;
data[1] = 0x00; // Disable wake-up
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure Interrupt Control register */
data[0] = TJA1145ATFD_REG_INT_CTRL;
data[1] = 0x00; // Disable interrupts
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure SPI Control register */
data[0] = TJA1145ATFD_REG_SPI_CTRL;
data[1] = 0x00; // Disable SPI slave mode
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure CLKOUT Divider register */
data[0] = TJA1145ATFD_REG_CLKOUT_DIV;
data[1] = 0x00; // CLKOUT frequency = 0
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
/* Configure CAN Configuration register */
data[0] = TJA1145ATFD_REG_CAN_CONFIG;
data[1] = 0x07; // 500 kbps
Spi_WriteIB(SPI1, (spi_transfer_t *)&data, 2);
}
```
在配置TJA1145AT/FD收发器之前,需要先通过SPI接口初始化SPI模块。然后,需要依次配置TJA1145AT/FD寄存器,具体配置内容可以参考TJA1145AT/FD数据手册。在配置寄存器时,需要先发送寄存器地址,然后发送寄存器数据。以上是通过Spi_WriteIB函数来配置TJA1145AT/FD收发器的代码。
基于S32K342与TJA1145AT/FD Read_Reg_TJA1145函数读取寄存器里的数据内容具体的实现
Read_Reg_TJA1145函数的具体实现与使用S32K342与TJA1145AT/FD的硬件连接方式有关。一般来说,读取寄存器里的数据内容需要以下步骤:
1. 设置通信接口:选择SPI或者I2C接口,并配置相应的寄存器,使其与TJA1145AT/FD通信。例如,配置SPI时需要设置SPICR1、SPICR2等寄存器。
2. 选择需要读取的寄存器:根据TJA1145AT/FD的寄存器映射表,选择需要读取的寄存器地址。
3. 发送读取命令:将读取命令写入发送缓冲区,发送给TJA1145AT/FD。
4. 等待读取完成:等待TJA1145AT/FD将寄存器的内容写入接收缓冲区。
5. 读取寄存器内容:从接收缓冲区中读取寄存器的内容,并进行解析和处理。
下面是一个使用SPI接口读取TJA1145AT/FD寄存器的示例代码:
```c
#include "fsl_spi.h"
#include "fsl_gpio.h"
#include "fsl_port.h"
#define SPI_MASTER_BASEADDR SPI0
#define SPI_MASTER_CLK_SRC SPI0_CLK_SRC
#define SPI_MASTER_CLK_FREQ CLOCK_GetFreq(SPI0_CLK_SRC)
#define SPI_MASTER_SSEL_GPIO GPIOB
#define SPI_MASTER_SSEL_PIN 10U
#define TJA1145_REG_ADDR 0x00 // 读取的寄存器地址
void SPI_Init(void)
{
spi_master_config_t masterConfig;
SPI_MasterGetDefaultConfig(&masterConfig);
masterConfig.baudRate_Bps = 500000;
SPI_MasterInit(SPI_MASTER_BASEADDR, &masterConfig, SPI_MASTER_CLK_FREQ);
}
void TJA1145_Read_Reg(uint8_t *data)
{
spi_transfer_t xfer;
uint8_t txData[2];
uint8_t rxData[2];
txData[0] = TJA1145_REG_ADDR | 0x80; // 读取命令
txData[1] = 0x00; // 发送0x00填充
xfer.txData = txData;
xfer.rxData = rxData;
xfer.dataSize = 2;
xfer.configFlags = kSPI_FrameAssert;
SPI_MasterTransferBlocking(SPI_MASTER_BASEADDR, &xfer);
*data = rxData[1]; // 读取寄存器内容
}
int main(void)
{
gpio_pin_config_t ssel_config = {
.pinDirection = kGPIO_DigitalOutput,
.outputLogic = 1,
};
CLOCK_EnableClock(kCLOCK_PortB);
PORT_SetPinMux(PORTB, SPI_MASTER_SSEL_PIN, kPORT_MuxAsGpio);
GPIO_PinInit(SPI_MASTER_SSEL_GPIO, SPI_MASTER_SSEL_PIN, &ssel_config);
SPI_Init();
GPIO_PinWrite(SPI_MASTER_SSEL_GPIO, SPI_MASTER_SSEL_PIN, 0);
uint8_t data;
TJA1145_Read_Reg(&data);
GPIO_PinWrite(SPI_MASTER_SSEL_GPIO, SPI_MASTER_SSEL_PIN, 1);
return 0;
}
```
在这个示例代码中,我们使用SPI接口读取TJA1145AT/FD的寄存器内容。其中,SPI_MasterInit函数用于初始化SPI的配置,TJA1145_Read_Reg函数用于读取指定寄存器的内容。在main函数中,我们首先初始化GPIO和SPI接口,然后调用TJA1145_Read_Reg函数读取寄存器内容。最后,我们通过GPIO控制片选信号,进行SPI通信。