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This commit is contained in:
mtei
2018-06-25 13:15:25 +09:00
parent 98c3c859e5
commit 0c6840ee0d
2 changed files with 13 additions and 6 deletions
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keyboards/helix/serial.c
+12 -5
View File
@@ -25,6 +25,9 @@
#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2)
#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2)
#define SLAVE_INT_WIDTH 1
#define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY
uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
@@ -198,6 +201,7 @@ void serial_write_byte(uint8_t data) {
// interrupt handle to be used by the slave device
ISR(SERIAL_PIN_INTERRUPT) {
// master->slave のトリガー手順、もっといい手順が無いか検討中 !!!
serial_output();
sync_send();
@@ -214,6 +218,7 @@ ISR(SERIAL_PIN_INTERRUPT) {
serial_low();
// slave switch to input
// 送受信の向き変更処理 もっといい手順が無いか検討中　!!!
debug_iochg_on(); //1
sync_send();
debug_iochg_off();
@@ -226,7 +231,7 @@ ISR(SERIAL_PIN_INTERRUPT) {
serial_delay();
debug_iochg_off();
// slave recv phase
// slave recive phase
sync_recv();
uint8_t checksum_computed = 0;
for (int i = 0; i < SERIAL_MASTER_BUFFER_LENGTH; ++i) {
@@ -243,7 +248,7 @@ ISR(SERIAL_PIN_INTERRUPT) {
} else {
status &= ~SLAVE_DATA_CORRUPT;
}
sync_recv(); //weit master output to hight
sync_recv(); //weit master output to high
}
inline
@@ -261,15 +266,16 @@ int serial_update_buffers(void) {
// this code is very time dependent, so we need to disable interrupts
cli();
// master->slave のトリガー手順、もっといい手順が無いか検討中 !!!
// signal to the slave that we want to start a transaction
serial_output();
serial_low();
_delay_us(1);
_delay_us(SLAVE_INT_WIDTH);
// wait for the slaves response
serial_input();
serial_high();
_delay_us(SERIAL_DELAY);
_delay_us(SLAVE_INT_RESPONSE_TIME);
// check if the slave is present
if (serial_read_pin()) {
@@ -280,7 +286,7 @@ int serial_update_buffers(void) {
return 1;
}
// master recv phase
// master recive phase
// if the slave is present syncronize with it
sync_recv();
@@ -303,6 +309,7 @@ int serial_update_buffers(void) {
}
// master switch to output
// 送受信の向き変更処理 もっといい手順が無いか検討中　!!!
debug_iochg_on(); //1
sync_recv();
debug_iochg_off();
keyboards/helix/serial.h
+1 -1
View File
@@ -41,7 +41,7 @@ bool serial_slave_data_corrupt(void);
#define SERIAL_DEBUG_MODE_WATCH_IOCHG 0x10
//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_OUTMODE
//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE
#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE
//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_BYTEWIDTH
//#define SERIAL_DEBUG_MODE (SERIAL_DEBUG_MODE_WATCH_RCVSAMPLE|SERIAL_DEBUG_MODE_WATCH_BYTEWIDTH)
//#define SERIAL_DEBUG_MODE SERIAL_DEBUG_MODE_WATCH_SYNC