hulk/xlsw_3dp_LDC1612
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完成回包构建以及CRC求和检验

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This commit is contained in:
yelvlab 2024-12-23 16:03:27 +08:00
parent 8e2cdd1ac5
commit b307160ba0
2 changed files with 39 additions and 13 deletions
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2
inc/rs485.h
View File

@ -29,5 +29,7 @@
void rs485_config(void);
void process_command(char *cmd);
uint8_t calculate_crc(uint8_t package_header[3], uint8_t package_data[], size_t data_length);
void eddy_current_value_report(void);
void tempture_value_report(void);
#endif //RS485_H

50
src/rs485.c
View File

@ -7,6 +7,9 @@
extern uint32_t g_temperature_uint32;
extern uint32_t g_eddy_current_value_uint32;
uint8_t package_header[3] = {0xB5, 0x00, 0x04};
uint8_t package_data[4] = {0};
void rs485_config(void) {
rcu_periph_clock_enable(RS485_GPIO_RCU);
rcu_periph_clock_enable(RS485_RCU);
@ -35,24 +38,17 @@ void rs485_config(void) {
}
void process_command(char *cmd) {
uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
uint8_t package_data[4] = {0};
package_data[0] = (g_eddy_current_value_uint32 >> 24) & 0xFF;
package_data[1] = (g_eddy_current_value_uint32 >> 16) & 0xFF;
package_data[2] = (g_eddy_current_value_uint32 >> 8) & 0xFF;
package_data[3] = g_eddy_current_value_uint32 & 0xFF;
if (strncmp(cmd, "M1", 2) == 0) {
if (strncmp(cmd, "M12", 3) == 0) {
// printf("M1 -=-=- OK!\r\n");
// printf("EddyCurrent: %lu\r\n", g_eddy_current_value_uint32);
printf("%x%x%x", package_header[0], package_header[1], package_header[2]);
printf("%x%x%x%x", package_data[0], package_data[1], package_data[2], package_data[3]);
printf("%x\r\n", calculate_crc(package_header, package_data, 4));
eddy_current_value_report();
} else if (strncmp(cmd, "M2", 2) == 0) {
// printf("M2 -=-=- OK!\r\n");
printf("Temperature: %lu\r\n", g_temperature_uint32);
tempture_value_report();
// } else if (strncmp(cmd, "M3", 2) == 0) {
// char *param_str = cmd + 2; // Skip "M3"
// int param = atoi(param_str + 1); // Skip "S" and convert to integer
@ -80,3 +76,31 @@ uint8_t calculate_crc(uint8_t package_header[3], uint8_t package_data[], size_t
return (uint8_t)(crc & 0xFF);
}
void eddy_current_value_report(void) {
package_header[1] = 0xF0; //eddy current
package_data[0] = (g_eddy_current_value_uint32 >> 24) & 0xFF;
package_data[1] = (g_eddy_current_value_uint32 >> 16) & 0xFF;
package_data[2] = (g_eddy_current_value_uint32 >> 8) & 0xFF;
package_data[3] = g_eddy_current_value_uint32 & 0xFF;
// printf("EddyCurrent: %x\r\n", g_eddy_current_value_uint32);
printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
printf("%c\r\n", calculate_crc(package_header, package_data, 4));
}
void tempture_value_report(void) {
package_header[1] = 0xF1; //temperature
package_data[0] = (g_temperature_uint32 >> 24) & 0xFF;
package_data[1] = (g_temperature_uint32 >> 16) & 0xFF;
package_data[2] = (g_temperature_uint32 >> 8) & 0xFF;
package_data[3] = g_temperature_uint32 & 0xFF;
// printf("Temperature: %x\r\n", g_temperature_uint32);
printf("%c%c%c", package_header[0], package_header[1], package_header[2]);
printf("%c%c%c%c", package_data[0], package_data[1], package_data[2], package_data[3]);
printf("%c\r\n", calculate_crc(package_header, package_data, 4));
}