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refactor: 同步 actuator 项目的 RS485 支持和 ENABLE→CFG_ENABLE 重命名

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- board_config.h: ENABLE/DISABLE 重命名为 CFG_ENABLE/CFG_DISABLE
- board_config.h: 新增 RS485_MODE 配置块（默认 CFG_DISABLE）
- uart.c: 新增 RS485 DE 引脚 AF 配置和硬件 485 模式配置
- 所有源文件: == ENABLE → == CFG_ENABLE（共 34 处）
- 兼容: RS485 默认关闭，零影响现有项目
This commit is contained in:
hulk
2026-07-28 15:20:06 +00:00
parent a48e6b8ba6
commit 01dc6f85d7
7 changed files with 65 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Inc/board_config.h
+20 -10
View File
@@ -1,12 +1,12 @@
#ifndef BOARD_CONFIG_H #ifndef BOARD_CONFIG_H
#define BOARD_CONFIG_H #define BOARD_CONFIG_H
#ifndef DISABLE #ifndef CFG_DISABLE
#define DISABLE 0 #define CFG_DISABLE 0
#endif #endif
#ifndef ENABLE #ifndef CFG_ENABLE
#define ENABLE 1 #define CFG_ENABLE 1
#endif #endif
#define GD32E23XF4 0x10 #define GD32E23XF4 0x10
@@ -19,25 +19,25 @@
/* >>>>>>>>>>>>>>>>>>>>[IIC TYPE DEFINE]<<<<<<<<<<<<<<<<<<<< */ /* >>>>>>>>>>>>>>>>>>>>[IIC TYPE DEFINE]<<<<<<<<<<<<<<<<<<<< */
#define SOFTWARE_IIC DISABLE // DISABLE: Hardware IIC; ENABLE: Software IIC #define SOFTWARE_IIC CFG_DISABLE // CFG_DISABLE: Hardware IIC; CFG_ENABLE: Software IIC
/* >>>>>>>>>>>>>>>>>>>>[DEBUG MODE]<<<<<<<<<<<<<<<<<<<< */ /* >>>>>>>>>>>>>>>>>>>>[DEBUG MODE]<<<<<<<<<<<<<<<<<<<< */
#define DEBUG_MODE DISABLE // DISABLE: Release Mode; ENABLE: Debug Mode #define DEBUG_MODE CFG_DISABLE // CFG_DISABLE: Release Mode; CFG_ENABLE: Debug Mode
/* >>>>>>>>>>>>>>>>>>>>[COMMAND DEBUG]<<<<<<<<<<<<<<<<<<<< */ /* >>>>>>>>>>>>>>>>>>>>[COMMAND DEBUG]<<<<<<<<<<<<<<<<<<<< */
#define COM_DEBUG DISABLE // DISABLE: Command debug off; ENABLE: Command debug on #define COM_DEBUG CFG_DISABLE // CFG_DISABLE: Command debug off; CFG_ENABLE: Command debug on
/* >>>>>>>>>>>>>>>>>>>>[DEBUG ASSERTIONS DEFINE]<<<<<<<<<<<<<<<<<<<< */ /* >>>>>>>>>>>>>>>>>>>>[DEBUG ASSERTIONS DEFINE]<<<<<<<<<<<<<<<<<<<< */
#define DEBUG_VERBOSE DISABLE // DISABLE: Verbose debug off; ENABLE: Verbose debug on #define DEBUG_VERBOSE CFG_DISABLE // CFG_DISABLE: Verbose debug off; CFG_ENABLE: Verbose debug on
/* >>>>>>>>>>>>>>>>>>>>[SEGGER RTT DETECTION]<<<<<<<<<<<<<<<<<<<< */ /* >>>>>>>>>>>>>>>>>>>>[SEGGER RTT DETECTION]<<<<<<<<<<<<<<<<<<<< */
#define SEGGER_RTT_DETECTION ENABLE // DISABLE: SEGGER RTT off; ENABLE: SEGGER RTT on #define SEGGER_RTT_DETECTION CFG_ENABLE // CFG_DISABLE: SEGGER RTT off; CFG_ENABLE: SEGGER RTT on
#if SEGGER_RTT_DETECTION == ENABLE #if SEGGER_RTT_DETECTION == CFG_ENABLE
#include "SEGGER_RTT.h" #include "SEGGER_RTT.h"
#define RTT_printf(ch, ...) SEGGER_RTT_printf(ch, __VA_ARGS__) #define RTT_printf(ch, ...) SEGGER_RTT_printf(ch, __VA_ARGS__)
#define RTT_WriteString(ch, s) SEGGER_RTT_WriteString(ch, s) #define RTT_WriteString(ch, s) SEGGER_RTT_WriteString(ch, s)
@@ -48,6 +48,16 @@
#define RTT_PutChar(ch, c) #define RTT_PutChar(ch, c)
#endif #endif
/* >>>>>>>>>>>>>>>>>>>>[RS485 MODE]<<<<<<<<<<<<<<<<<<<< */
#define RS485_MODE CFG_DISABLE // CFG_DISABLE: RS485 off; CFG_ENABLE: RS485 on
#if RS485_MODE == CFG_ENABLE
#define RS485_DE_RCU RCU_GPIOA
#define RS485_DE_PORT GPIOA
#define RS485_DE_PIN GPIO_PIN_1 // 根据实际硬件修改 DE 引脚
#endif
/******************************************************************************/ /******************************************************************************/
/* Dynamic USART Configuration Structure */ /* Dynamic USART Configuration Structure */
Inc/i2c.h
+2 -2
View File
@@ -86,7 +86,7 @@ i2c_result_t i2c_bus_reset(void);
\param[out] none \param[out] none
\retval none \retval none
*/ */
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
void i2c_scan(void); void i2c_scan(void);
#endif #endif
@@ -141,7 +141,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
*/ */
i2c_result_t i2c_read_raw(uint8_t slave_addr, uint8_t *data, uint8_t length); i2c_result_t i2c_read_raw(uint8_t slave_addr, uint8_t *data, uint8_t length);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
/*! /*!
\brief get status string for debugging \brief get status string for debugging
\param[in] status: i2c_result_t value \param[in] status: i2c_result_t value
Src/command.c
+2 -2
View File
@@ -101,7 +101,7 @@ void system_software_reset(void)
} }
/* Debug output control */ /* Debug output control */
#if COM_DEBUG == ENABLE #if COM_DEBUG == CFG_ENABLE
#include <stdio.h> #include <stdio.h>
#define COMMAND_DEBUG(fmt, ...) printf("[COMMAND] " fmt "\n", ##__VA_ARGS__) #define COMMAND_DEBUG(fmt, ...) printf("[COMMAND] " fmt "\n", ##__VA_ARGS__)
#else #else
@@ -565,7 +565,7 @@ void command_process(void) {
// 到帧尾，进行各项校验 // 到帧尾，进行各项校验
bool verification_status = true; bool verification_status = true;
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
if (cmd_buf[0] != PROTOCOL_PACKAGE_HEADER) { if (cmd_buf[0] != PROTOCOL_PACKAGE_HEADER) {
send_response(RESP_TYPE_HEADER_ERR, s_report_status_err, sizeof(s_report_status_err)); send_response(RESP_TYPE_HEADER_ERR, s_report_status_err, sizeof(s_report_status_err));
verification_status = false; verification_status = false;
Src/gd32e23x_it.c
+1 -1
View File
@@ -108,7 +108,7 @@ void USART0_IRQHandler(void) {
g_usart_config.irq_handler(); // 通过函数指针调用对应的处理函数 g_usart_config.irq_handler(); // 通过函数指针调用对应的处理函数
} }
// 作为调试口（第二串口）时也接收数据，便于模拟上位机命令 // 作为调试口（第二串口）时也接收数据，便于模拟上位机命令
#if DEBUG_MODE == ENABLE #if DEBUG_MODE == CFG_ENABLE
else { else {
usart0_irq_handler(); usart0_irq_handler();
} }
Src/i2c.c
+22 -22
View File
@@ -79,7 +79,7 @@ i2c_result_t i2c_bus_reset(void) {
i2c_disable(I2C0); i2c_disable(I2C0);
i2c_deinit(I2C0); i2c_deinit(I2C0);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C bus reset\r\n"); printf("I2C bus reset\r\n");
#endif #endif
@@ -145,7 +145,7 @@ i2c_result_t i2c_bus_reset(void) {
* 如果在某个地址上发现了设备，则会打印出该设备的地址。 * 如果在某个地址上发现了设备，则会打印出该设备的地址。
* 最后会打印出找到的设备总数。 * 最后会打印出找到的设备总数。
*/ */
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
void i2c_scan(void) { void i2c_scan(void) {
uint32_t timeout; uint32_t timeout;
uint8_t address; uint8_t address;
@@ -262,7 +262,7 @@ static i2c_result_t _i2c_wait_flag_timeout(uint32_t flag)
uint16_t timeout = 0; uint16_t timeout = 0;
while(!i2c_flag_get(I2C0, flag)){ while(!i2c_flag_get(I2C0, flag)){
if(timeout++ > I2C_TIME_OUT){ if(timeout++ > I2C_TIME_OUT){
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
const char* fname = "UNKNOWN"; const char* fname = "UNKNOWN";
switch (flag) { switch (flag) {
case I2C_FLAG_SBSEND: fname = "SBSEND"; break; case I2C_FLAG_SBSEND: fname = "SBSEND"; break;
@@ -361,7 +361,7 @@ i2c_result_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data
} else { } else {
i2c_flag_clear(I2C0, I2C_FLAG_AERR); i2c_flag_clear(I2C0, I2C_FLAG_AERR);
timeout =0; timeout =0;
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("IIC write failed for Error Slave Address. \n"); printf("IIC write failed for Error Slave Address. \n");
#endif #endif
return I2C_RESULT_NACK; return I2C_RESULT_NACK;
@@ -440,7 +440,7 @@ i2c_result_t i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data
retry_count ++; retry_count ++;
if (retry_count >= I2C_MAX_RETRY) if (retry_count >= I2C_MAX_RETRY)
{ {
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("IIC write failed after %d retries\n", I2C_MAX_RETRY); printf("IIC write failed after %d retries\n", I2C_MAX_RETRY);
#endif #endif
return I2C_RESULT_ERROR; return I2C_RESULT_ERROR;
@@ -614,7 +614,7 @@ i2c_result_t i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data
retry_count++; retry_count++;
if (retry_count >= I2C_MAX_RETRY) { if (retry_count >= I2C_MAX_RETRY) {
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("IIC read failed after %d retries\n", I2C_MAX_RETRY); printf("IIC read failed after %d retries\n", I2C_MAX_RETRY);
#endif #endif
return I2C_RESULT_ERROR; return I2C_RESULT_ERROR;
@@ -654,7 +654,7 @@ i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint
/* parameter validation */ /* parameter validation */
if (data == NULL || slave_addr > 0x7F || length == 0) { if (data == NULL || slave_addr > 0x7F || length == 0) {
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C read invalid param: slave=0x%02X, len=%u, data=%p\r\n", slave_addr, length, data); printf("I2C read invalid param: slave=0x%02X, len=%u, data=%p\r\n", slave_addr, length, data);
#endif #endif
return I2C_RESULT_INVALID_PARAM; return I2C_RESULT_INVALID_PARAM;
@@ -714,7 +714,7 @@ i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint
i2c_flag_clear(I2C0, I2C_FLAG_AERR); i2c_flag_clear(I2C0, I2C_FLAG_AERR);
i2c_stop_on_bus(I2C0); i2c_stop_on_bus(I2C0);
timeout = 0; timeout = 0;
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C write failed for Error Slave Address. \n"); printf("I2C write failed for Error Slave Address. \n");
#endif #endif
return I2C_RESULT_NACK; return I2C_RESULT_NACK;
@@ -789,7 +789,7 @@ i2c_result_t i2c_write(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint
retry_count++; retry_count++;
if (retry_count >= I2C_MAX_RETRY) { if (retry_count >= I2C_MAX_RETRY) {
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("IIC write failed after %d retries\n", I2C_MAX_RETRY); printf("IIC write failed after %d retries\n", I2C_MAX_RETRY);
#endif #endif
return I2C_RESULT_ERROR; return I2C_RESULT_ERROR;
@@ -834,7 +834,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
/* enable acknowledge */ /* enable acknowledge */
i2c_ack_config(I2C0, I2C_ACK_ENABLE); i2c_ack_config(I2C0, I2C_ACK_ENABLE);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C read start: slave=0x%02X reg=0x%02X len=%u\r\n", slave_addr, reg_addr, length); printf("I2C read start: slave=0x%02X reg=0x%02X len=%u\r\n", slave_addr, reg_addr, length);
#endif #endif
@@ -886,7 +886,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
} }
/* debug: show address ack and error flags */ /* debug: show address ack and error flags */
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C CLEAR_ADDRESS: write_phase=%d ADDSEND=%d AERR=%d\r\n", printf("I2C CLEAR_ADDRESS: write_phase=%d ADDSEND=%d AERR=%d\r\n",
(int)write_phase, (int)write_phase,
(int)i2c_flag_get(I2C0, I2C_FLAG_ADDSEND), (int)i2c_flag_get(I2C0, I2C_FLAG_ADDSEND),
@@ -904,19 +904,19 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
- length > 2: keep ACK enabled and clear ADDR; we'll handle N-2/BTF sequence later */ - length > 2: keep ACK enabled and clear ADDR; we'll handle N-2/BTF sequence later */
if (length == 1) { if (length == 1) {
i2c_ack_config(I2C0, I2C_ACK_DISABLE); i2c_ack_config(I2C0, I2C_ACK_DISABLE);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C READ phase: length=1, disabling ACK before clearing ADDSEND\r\n"); printf("I2C READ phase: length=1, disabling ACK before clearing ADDSEND\r\n");
#endif #endif
} else if (length == 2) { } else if (length == 2) {
i2c_ackpos_config(I2C0, I2C_ACKPOS_NEXT); i2c_ackpos_config(I2C0, I2C_ACKPOS_NEXT);
i2c_ack_config(I2C0, I2C_ACK_DISABLE); i2c_ack_config(I2C0, I2C_ACK_DISABLE);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C READ phase: length=2, set ACKPOS_NEXT and disabling ACK before clearing ADDSEND\r\n"); printf("I2C READ phase: length=2, set ACKPOS_NEXT and disabling ACK before clearing ADDSEND\r\n");
#endif #endif
} else { } else {
/* length > 2: keep ACK enabled so slave will clock out data */ /* length > 2: keep ACK enabled so slave will clock out data */
i2c_ack_config(I2C0, I2C_ACK_ENABLE); i2c_ack_config(I2C0, I2C_ACK_ENABLE);
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C READ phase: length=%u (>2), keeping ACK enabled\r\n", length); printf("I2C READ phase: length=%u (>2), keeping ACK enabled\r\n", length);
#endif #endif
} }
@@ -949,7 +949,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
break; break;
} }
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C RESTART: after BTC, delay 5ms and issuing repeated START\r\n"); printf("I2C RESTART: after BTC, delay 5ms and issuing repeated START\r\n");
#endif #endif
/* small delay to allow slave device to prepare multi-byte data before repeated start */ /* small delay to allow slave device to prepare multi-byte data before repeated start */
@@ -972,13 +972,13 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
write_phase = false; write_phase = false;
state = I2C_STATE_CLEAR_ADDRESS; state = I2C_STATE_CLEAR_ADDRESS;
timeout = 0; timeout = 0;
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C addressing sent for read (slave=0x%02X)\r\n", slave_addr); printf("I2C addressing sent for read (slave=0x%02X)\r\n", slave_addr);
#endif #endif
break; break;
case I2C_STATE_RECEIVE_DATA: case I2C_STATE_RECEIVE_DATA:
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C RECEIVE_DATA: expecting %u bytes\r\n", length); printf("I2C RECEIVE_DATA: expecting %u bytes\r\n", length);
#endif #endif
if (length == 1) { if (length == 1) {
@@ -1060,7 +1060,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
case I2C_STATE_ERROR: case I2C_STATE_ERROR:
/* I2C bus error, try to reset the bus and retry */ /* I2C bus error, try to reset the bus and retry */
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C_STATE_ERROR: resetting bus and retrying (retry_count=%u)\r\n", retry_count); printf("I2C_STATE_ERROR: resetting bus and retrying (retry_count=%u)\r\n", retry_count);
#endif #endif
i2c_bus_reset(); i2c_bus_reset();
@@ -1071,7 +1071,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
retry_count++; retry_count++;
if (retry_count >= I2C_MAX_RETRY) { if (retry_count >= I2C_MAX_RETRY) {
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
/* Print diagnostic flags to help root-cause analysis */ /* Print diagnostic flags to help root-cause analysis */
printf("I2C read final failure after %d retries, last_state=%d\r\n", I2C_MAX_RETRY, state); printf("I2C read final failure after %d retries, last_state=%d\r\n", I2C_MAX_RETRY, state);
printf(" FLAGS: AERR=%d BERR=%d LOSTARB=%d I2CBSY=%d\r\n", printf(" FLAGS: AERR=%d BERR=%d LOSTARB=%d I2CBSY=%d\r\n",
@@ -1080,7 +1080,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
(int)i2c_flag_get(I2C0, I2C_FLAG_LOSTARB), (int)i2c_flag_get(I2C0, I2C_FLAG_LOSTARB),
(int)i2c_flag_get(I2C0, I2C_FLAG_I2CBSY)); (int)i2c_flag_get(I2C0, I2C_FLAG_I2CBSY));
#endif #endif
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C read failed after %d retries\n", I2C_MAX_RETRY); printf("I2C read failed after %d retries\n", I2C_MAX_RETRY);
#endif #endif
return I2C_RESULT_ERROR; return I2C_RESULT_ERROR;
@@ -1101,7 +1101,7 @@ i2c_result_t i2c_read(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8
} }
} }
/* timeout path: provide debug info */ /* timeout path: provide debug info */
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
printf("I2C read timeout (end state). slave=0x%02X, len=%u\r\n", slave_addr, length); printf("I2C read timeout (end state). slave=0x%02X, len=%u\r\n", slave_addr, length);
printf(" FLAGS: AERR=%d BERR=%d LOSTARB=%d I2CBSY=%d\r\n", printf(" FLAGS: AERR=%d BERR=%d LOSTARB=%d I2CBSY=%d\r\n",
(int)i2c_flag_get(I2C0, I2C_FLAG_AERR), (int)i2c_flag_get(I2C0, I2C_FLAG_AERR),
@@ -1269,7 +1269,7 @@ i2c_result_t i2c_read_raw(uint8_t slave_addr, uint8_t *data, uint8_t length)
return I2C_RESULT_TIMEOUT; return I2C_RESULT_TIMEOUT;
} }
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
/*! /*!
\brief get status string for debugging \brief get status string for debugging
\param[in] status: i2c_status_t value \param[in] status: i2c_status_t value
Src/main.c
+3 -3
View File
@@ -62,15 +62,15 @@ int main(void)
i2c_config(); i2c_config();
#if DEBUG_MODE == ENABLE #if DEBUG_MODE == CFG_ENABLE
printf("Hello World!\r\n"); printf("Hello World!\r\n");
#endif #endif
#if SEGGER_RTT_DETECTION == ENABLE #if SEGGER_RTT_DETECTION == CFG_ENABLE
RTT_printf(0, "Hello World!\r\n"); RTT_printf(0, "Hello World!\r\n");
#endif #endif
#if DEBUG_VERBOSE == ENABLE #if DEBUG_VERBOSE == CFG_ENABLE
i2c_scan(); i2c_scan();
i2c_bus_reset(); i2c_bus_reset();
Src/uart.c
+15
View File
@@ -17,6 +17,14 @@ void uart_init(void) {
gpio_mode_set(UART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, UART_TX_PIN | UART_RX_PIN); gpio_mode_set(UART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, UART_TX_PIN | UART_RX_PIN);
gpio_output_options_set(UART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, UART_TX_PIN | UART_RX_PIN); gpio_output_options_set(UART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, UART_TX_PIN | UART_RX_PIN);
#if RS485_MODE == CFG_ENABLE
/* 配置 RS485 DE 引脚 */
rcu_periph_clock_enable(RS485_DE_RCU);
gpio_af_set(RS485_DE_PORT, GPIO_AF_1, RS485_DE_PIN);
gpio_mode_set(RS485_DE_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, RS485_DE_PIN);
gpio_output_options_set(RS485_DE_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, RS485_DE_PIN);
#endif
/* 配置波特率、数据位、停止位等 */ /* 配置波特率、数据位、停止位等 */
usart_deinit(UART_PHY); usart_deinit(UART_PHY);
usart_word_length_set(UART_PHY, USART_WL_8BIT); usart_word_length_set(UART_PHY, USART_WL_8BIT);
@@ -26,6 +34,13 @@ void uart_init(void) {
usart_receive_config(UART_PHY, USART_RECEIVE_ENABLE); usart_receive_config(UART_PHY, USART_RECEIVE_ENABLE);
usart_transmit_config(UART_PHY, USART_TRANSMIT_ENABLE); usart_transmit_config(UART_PHY, USART_TRANSMIT_ENABLE);
#if RS485_MODE == CFG_ENABLE
// 配置 RS485 模式
usart_rs485_driver_enable(UART_PHY);
usart_driver_assertime_config(UART_PHY, 10);
usart_driver_deassertime_config(UART_PHY, 10);
#endif
usart_enable(UART_PHY); usart_enable(UART_PHY);
nvic_irq_enable(UART_IRQ, 0); nvic_irq_enable(UART_IRQ, 0);