hulk/XLSW_3DP_US-IR
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更改为非自动换向SP3485接口芯片，更改代码预期适配

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yelvlab 2025-06-03 14:00:24 +08:00
parent 1f64a500f9
commit da00f1d758
4 changed files with 40 additions and 43 deletions
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2
inc/board_config.h
View File

@ -51,7 +51,7 @@
#define USART_PHY USART0 #define USART_PHY USART0
#define USART_PHY_BAUDRATE 115200U #define USART_PHY_BAUDRATE 115200U
#define RS485_EN_PORT GPIOA #define RS485_EN_PORT GPIOA
#define RS485_EN_PIN GPIO_PIN_4 #define RS485_EN_PIN GPIO_PIN_1
/******************************************************************************/ /******************************************************************************/

2
inc/usart.h
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@ -8,8 +8,6 @@
#include "gd32e23x.h" #include "gd32e23x.h"
#include "board_config.h" #include "board_config.h"
void usart_config(void);
void rs485_config(void); void rs485_config(void);
#endif //USART_H #endif //USART_H

12
src/rs485_protocol.c
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@ -21,12 +21,12 @@ void process_command(uint8_t *cmd, size_t length) {
sprintf(combined_str, "%c%c", cmd[3], cmd[4]); sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
if (strcmp(combined_str, "M1") == 0) { if (strcmp(combined_str, "M1") == 0) {
ultrasonic_distance_report(); ultrasonic_distance_report();
} else if (strcmp(combined_str, "M2") == 0) { // } else if (strcmp(combined_str, "M2") == 0) {
gd60914_tempture_report(); // gd60914_tempture_report();
} else if (strcmp(combined_str, "M3") == 0) // } else if (strcmp(combined_str, "M3") == 0)
{ // {
printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC); // printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
fwdgt_reset_mcu(); // fwdgt_reset_mcu();
} else { } else {
printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C); printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
return; return;

67
src/usart.c
View File

@ -4,36 +4,6 @@
#include "usart.h" #include "usart.h"
/**
* @brief configure the USART
* @param none
* @retval none
*/
void usart_config(void)
{
rcu_periph_clock_enable(USART_GPIO_RCU);
rcu_periph_clock_enable(USART_RCU);
gpio_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_RX_PIN);
gpio_af_set(USART_GPIO_PORT, USART_GPIO_AF, USART_TX_PIN);
gpio_mode_set(USART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, USART_RX_PIN);
gpio_output_options_set(USART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, USART_RX_PIN);
gpio_mode_set(USART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, USART_TX_PIN);
gpio_output_options_set(USART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, USART_TX_PIN);
usart_deinit(USART_PHY);
usart_baudrate_set(USART_PHY, USART_PHY_BAUDRATE);
usart_receive_config(USART_PHY, USART_RECEIVE_ENABLE);
usart_transmit_config(USART_PHY, USART_TRANSMIT_ENABLE);
usart_enable(USART_PHY);
nvic_irq_enable(USART0_IRQn, 0);
usart_interrupt_enable(USART_PHY, USART_INT_RBNE);
usart_interrupt_enable(USART_PHY, USART_INT_IDLE);
}
/** /**
* @brief configure the RS485(MAX13487) driver * @brief configure the RS485(MAX13487) driver
* @param none * @param none
@ -41,10 +11,39 @@ void usart_config(void)
*/ */
void rs485_config(void) void rs485_config(void)
{ {
usart_config(); rcu_periph_clock_enable(USART_GPIO_RCU);
rcu_periph_clock_enable(USART_RCU);
gpio_mode_set(RS485_EN_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, RS485_EN_PIN); gpio_af_set(USART_GPIO_PORT, GPIO_AF_1, USART_TX_PIN | USART_RX_PIN | RS485_EN_PIN);
gpio_output_options_set(RS485_EN_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, RS485_EN_PIN);
gpio_bit_write(RS485_EN_PORT, RS485_EN_PIN, SET); //auto dircetion control /* configure USART Tx&Rx as alternate function push-pull */
gpio_mode_set(USART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, USART_TX_PIN | USART_RX_PIN);
gpio_output_options_set(USART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, USART_TX_PIN | USART_RX_PIN);
/* configure RS485 EN Pin */
gpio_mode_set(USART_GPIO_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, RS485_EN_PIN);
gpio_output_options_set(USART_GPIO_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, RS485_EN_PIN);
// gpio_bit_write(RS485_GPIO_PORT, RS485_EN_PIN, SET);
/* USART configure */
usart_deinit(USART_PHY);
usart_baudrate_set(USART_PHY, USART_PHY_BAUDRATE);
// usart_parity_config(RS485_PHY, USART_PM_NONE);
// usart_word_length_set(RS485_PHY, USART_WL_8BIT);
// usart_stop_bit_set(RS485_PHY, USART_STB_1BIT);
usart_receive_config(USART_PHY, USART_RECEIVE_ENABLE);
usart_transmit_config(USART_PHY, USART_TRANSMIT_ENABLE);
usart_driver_assertime_config(USART_PHY, 0x01);
usart_driver_deassertime_config(USART_PHY, 0x01);
// usart_depolarity_config(USART0, USART_DEP_HIGH);
// usart_depolarity_config(USART0, USART_DEP_LOW);
usart_rs485_driver_enable(USART_PHY);
usart_enable(USART_PHY);
nvic_irq_enable(USART0_IRQn, 0);
usart_interrupt_enable(USART_PHY, USART_INT_RBNE);
usart_interrupt_enable(USART_PHY, USART_INT_IDLE);
} }