mirror of
https://github.com/qmk/qmk_firmware
synced 2024-11-14 07:55:28 +00:00
91 lines
2.6 KiB
C
91 lines
2.6 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 CONSOLE_ENABLE
|
|
#include <print.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;
|
|
uint8_t s_change_new = 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, TID_LIMIT(transactions));
|
|
}
|
|
|
|
void serial_slave_init(void)
|
|
{
|
|
soft_serial_target_init(transactions, TID_LIMIT(transactions));
|
|
}
|
|
|
|
// 0 => no error
|
|
// 1 => slave did not respond
|
|
// 2 => checksum error
|
|
int serial_update_buffers(int master_update)
|
|
{
|
|
int status, smatstatus;
|
|
static int need_retry = 0;
|
|
|
|
if( s_change_old != s_change_new ) {
|
|
smatstatus = soft_serial_transaction(GET_SLAVE_BUFFER);
|
|
if( smatstatus == TRANSACTION_END ) {
|
|
s_change_old = s_change_new;
|
|
#ifdef CONSOLE_ENABLE
|
|
uprintf("slave matrix = %b %b %b %b\n",
|
|
serial_slave_buffer[0], serial_slave_buffer[1],
|
|
serial_slave_buffer[2], serial_slave_buffer[3]);
|
|
#endif
|
|
}
|
|
} else {
|
|
// serial_slave_buffer dosen't change
|
|
smatstatus = TRANSACTION_END; // dummy status
|
|
}
|
|
|
|
if( !master_update && !need_retry) {
|
|
status = soft_serial_transaction(GET_SLAVE_STATUS);
|
|
} else {
|
|
status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS);
|
|
}
|
|
if( status == TRANSACTION_END ) {
|
|
s_change_new = slave_buffer_change_count;
|
|
need_retry = 0;
|
|
} else {
|
|
need_retry = 1;
|
|
}
|
|
return smatstatus;
|
|
}
|
|
|
|
#endif // SERIAL_USE_MULTI_TRANSACTION
|
|
#endif /* USE_SERIAL */
|