hulk/XLSW_3DP_US-IR
1
0
Fork 0
generated from hulk/gd32e23x_template
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

暂存

Browse Source
This commit is contained in:
yelvlab 2025-01-20 11:12:05 +08:00
parent a5c1c857a9
commit 39d800cb1b
5 changed files with 73 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
inc/rs485_protocol.h
View File

@ -23,8 +23,10 @@
#define PROTOCOL_BOARD_TYPE 0x04
#define PROTOCOL_PACKAGE_LENGTH 0x02
#define PACKET_START_BYTE 0xD5
#define MAX_SERIAL_CMD_SIZE 16
#define MAX_SERIAL_CMD_COUNT 8
#define BUF_SIZE 8
/******************************************************************************/

2
ld/gd32e23x_gcc.ld
View File

@ -1,7 +1,7 @@
/* memory map */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
}

2
src/gd32e23x_it.c
View File

@ -118,7 +118,7 @@ void TIMER5_IRQHandler(void) {
} else {
//! turn off led & reconfig timer13 period to 1000(100ms)
gpio_bit_write(LED_PORT, LED_PIN, SET);
timer_autoreload_value_config(LED_BLINK_TIMER, 800);
timer_autoreload_value_config(LED_BLINK_TIMER, 8000);
}
led_status = !led_status;
}

3
src/main.c
View File

@ -40,7 +40,8 @@ int main(void)
while(1){
// gd60914_get_object_tempture();
delay_ms(50);
delay_ms(500);
// start_communication();
// ultrasonic_pwm_out_cycles(ULTRASONIC_TX_CYCLES);

69
src/rs485_protocol.c
View File

@ -10,7 +10,7 @@ static int buf_index_r = 0;
static int buf_index_w = 0;
static int buf_length = 0;
static char cmd_buffer[MAX_SERIAL_CMD_COUNT][MAX_SERIAL_CMD_SIZE];
static char cmd_buffer[BUF_SIZE][MAX_SERIAL_CMD_SIZE];
static char serial_char = 0x00;
static int serial_count = 0;
@ -144,6 +144,15 @@ void ultrasonic_distance_report(void) {
}
void start_communication(void) {
if (buf_length < (BUF_SIZE - 1)) {
get_command();
}
if (buf_length) {
prcess_command();
buf_length--;
buf_index_r = (buf_index_r + 1) % BUF_SIZE;
}
}
@ -157,10 +166,64 @@ void get_command(void) {
if (uart_available() > 0)
delay_ms(5);
while (uart_available() > 0 && buf_length < BUFSIZ)
while (uart_available() > 0 && buf_length < BUF_SIZE) {
delay_us(100);
serial_char = uart_read();
switch (packet_state) {
case PS_NULL:
if (serial_char == PACKET_START_BYTE) {
packet_state = PS_TYPE;
serial_count = 0;
check_sum = 0;
} else {
serial_count = 0;
}
break;
case PS_TYPE:
packet_type = serial_char;
check_sum += serial_char;
packet_state = PS_LEN;
break;
case PS_LEN:
check_sum += serial_char;
packet_len = serial_char;
packet_state = PS_PAYLOAD;
break;
case PS_PAYLOAD:
check_sum += serial_char;
cmd_buffer[buf_index_w][serial_count++] = serial_char;
if (serial_count >= packet_len) {
packet_state = PS_CRC;
}
break;
case PS_CRC:
packet_state = PS_NULL;
if (!serial_count || check_sum != serial_char) {
serial_count = 0;
return;
}
cmd_buffer[buf_index_w][serial_count] = 0;
buf_index_w = (buf_index_w + 1) % BUF_SIZE;
buf_length++;
serial_count = 0;
}
}
}
void prcess_command(void) {
if (code_seen('M')) {
switch ((int)code_value()) {
case 1:
// ultrasonic_distance_report();
printf("M1");
break;
case 2:
// gd60914_tempture_report();
printf("M2");
break;
default:
break;
}
}
}