dennisgunia/split-flap-controller
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fix protocol V2 bug

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Dennis Gunia
2025-10-19 16:33:46 +02:00
parent 439b8d09ae
commit 0557c43016
4 changed files with 116 additions and 12 deletions
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9
software/pc_client/src/sfbus.c
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@@ -148,7 +148,7 @@ int sfbus_ping(int fd, u_int16_t address)
char *buffer = malloc(64); // allocate rx buffer
sfbus_send_frame_v2(fd, address, strlen(cmd), cmd);
int len = sfbus_recv_frame_wait(fd, 0xFFFF, buffer);
if (len == 4 && *buffer == (char)0xFF) // expect 0xFF on successful ping
if (len == 5 && *buffer == (char)0xFF) // expect 0xFF on successful ping
{
printf("Ping okay!\n");
free(buffer);
@@ -235,7 +235,8 @@ u_int8_t sfbus_read_status(int fd, u_int16_t address, double *voltage, u_int32_t
char *cmd = "\xF8";
char *_buffer = malloc(256);
sfbus_send_frame_v2(fd, address, strlen(cmd), cmd);
int res = sfbus_recv_frame_wait(fd, 0xFFFF, _buffer);
int res = sfbus_recv_frame_wait(fd, 0xFFFF, _buffer);
if (res < 0)
{
return 0xFF;
@@ -248,7 +249,9 @@ u_int8_t sfbus_read_status(int fd, u_int16_t address, double *voltage, u_int32_t
*voltage = __voltage;
*counter = (u_int32_t)_counter;
return *_buffer;
free(_buffer);
return 0x00;
}
void sfbus_reset_device(int fd, u_int16_t address)