mirror of
https://github.com/qmk/qmk_firmware
synced 2024-11-19 11:46:08 +00:00
35efcc9f39
* improvement of crkbd communication functions (based on helix-keyboard) * Removed unnecessary code. * Changed read restriction from #define to #pragma once. * Changed from sizeof to defined size. * moved lib folder to crkbdroot. removed warning of ws2812.d
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
#ifdef USE_SERIAL
|
|
#ifdef SERIAL_USE_MULTI_TRANSACTION
|
|
/* --- USE flexible API (using multi-type transaction function) --- */
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include <split_scomm.h>
|
|
#include "serial.h"
|
|
#ifdef SERIAL_DEBUG_MODE
|
|
#include <avr/io.h>
|
|
#endif
|
|
|
|
uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
|
|
uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
|
|
uint8_t volatile status_com = 0;
|
|
uint8_t volatile status1 = 0;
|
|
uint8_t slave_buffer_change_count = 0;
|
|
uint8_t s_change_old = 0xff;
|
|
|
|
SSTD_t transactions[] = {
|
|
#define GET_SLAVE_STATUS 0
|
|
/* master buffer not changed, only recive slave_buffer_change_count */
|
|
{ (uint8_t *)&status_com,
|
|
0, NULL,
|
|
sizeof(slave_buffer_change_count), &slave_buffer_change_count,
|
|
},
|
|
#define PUT_MASTER_GET_SLAVE_STATUS 1
|
|
/* master buffer changed need send, and recive slave_buffer_change_count */
|
|
{ (uint8_t *)&status_com,
|
|
sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
|
|
sizeof(slave_buffer_change_count), &slave_buffer_change_count,
|
|
},
|
|
#define GET_SLAVE_BUFFER 2
|
|
/* recive serial_slave_buffer */
|
|
{ (uint8_t *)&status1,
|
|
0, NULL,
|
|
sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
|
|
}
|
|
};
|
|
|
|
void serial_master_init(void)
|
|
{
|
|
soft_serial_initiator_init(transactions);
|
|
}
|
|
|
|
void serial_slave_init(void)
|
|
{
|
|
soft_serial_target_init(transactions);
|
|
}
|
|
|
|
// 0 => no error
|
|
// 1 => slave did not respond
|
|
// 2 => checksum error
|
|
int serial_update_buffers(int master_update)
|
|
{
|
|
int status;
|
|
static int need_retry = 0;
|
|
if( s_change_old != slave_buffer_change_count ) {
|
|
status = soft_serial_transaction(GET_SLAVE_BUFFER);
|
|
if( status == TRANSACTION_END )
|
|
s_change_old = slave_buffer_change_count;
|
|
}
|
|
if( !master_update && !need_retry)
|
|
status = soft_serial_transaction(GET_SLAVE_STATUS);
|
|
else
|
|
status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS);
|
|
need_retry = ( status == TRANSACTION_END ) ? 0 : 1;
|
|
return status;
|
|
}
|
|
|
|
#endif // SERIAL_USE_MULTI_TRANSACTION
|
|
#endif /* USE_SERIAL */
|