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tmk_keyboard_custom
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Add LED feature to Sun converter

core
tmk 11 years ago
parent
8a84993ed6
commit
06ed34ec8c
3 changed files with 49 additions and 16 deletions
Unified View Show Diff Stats
  1. 7
    0
      common/keyboard.c
  2. 1
    0
      protocol/serial.h
  3. 41
    16
      protocol/serial_soft.c

+ 7
- 0
common/keyboard.c View File

void keyboard_task(void) void keyboard_task(void)
{ {
static matrix_row_t matrix_prev[MATRIX_ROWS]; static matrix_row_t matrix_prev[MATRIX_ROWS];
static uint8_t led_status = 0;
matrix_row_t matrix_row = 0; matrix_row_t matrix_row = 0;
matrix_row_t matrix_change = 0; matrix_row_t matrix_change = 0;


} }
} }


// update LED
if (led_status != host_keyboard_leds()) {
led_status = host_keyboard_leds();
keyboard_set_leds(led_status);
}

return; return;
} }



+ 1
- 0
protocol/serial.h View File

/* host role */ /* host role */
void serial_init(void); void serial_init(void);
uint8_t serial_recv(void); uint8_t serial_recv(void);
void serial_send(uint8_t data);


#endif #endif

+ 41
- 16
protocol/serial_soft.c View File

void serial_init(void) void serial_init(void)
{ {
SERIAL_RXD_INIT(); SERIAL_RXD_INIT();
SERIAL_TXD_INIT();
} }


// RX ring buffer
/* RX ring buffer */
#define RBUF_SIZE 8 #define RBUF_SIZE 8
static uint8_t rbuf[RBUF_SIZE]; static uint8_t rbuf[RBUF_SIZE];
static uint8_t rbuf_head = 0; static uint8_t rbuf_head = 0;
return data; return data;
} }


//ISR(INT2_vect)
void serial_send(uint8_t data)
{
/* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */
/* start bit */
SERIAL_TXD_OFF();
_delay_us(WAIT_US);

#ifdef SERIAL_BIT_ORDER_MSB
uint8_t mask = 0x80;
#else
uint8_t mask = 0x01;
#endif
while (mask) {
if (data&mask) { SERIAL_TXD_ON(); } else { SERIAL_TXD_OFF(); }
_delay_us(WAIT_US);

#ifdef SERIAL_BIT_ORDER_MSB
mask >>= 1;
#else
mask <<= 1;
#endif
}

/* stop bit */
SERIAL_TXD_ON();
_delay_us(WAIT_US);
}

/* detect edge of start bit */
ISR(SERIAL_RXD_VECT) ISR(SERIAL_RXD_VECT)
{ {
SERIAL_RXD_INT_ENTER() SERIAL_RXD_INT_ENTER()


uint8_t data = 0; uint8_t data = 0;
#ifdef SERIAL_BIT_ORDER_MSB #ifdef SERIAL_BIT_ORDER_MSB
uint8_t pos = 0x80;
uint8_t mask = 0x80;
#else #else
uint8_t pos = 0x01;
uint8_t mask = 0x01;
#endif #endif
// to center of start bit
/* to center of start bit */
_delay_us(WAIT_US/2); _delay_us(WAIT_US/2);
do { do {
// to center of next bit
/* to center of next bit */
_delay_us(WAIT_US); _delay_us(WAIT_US);


if (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) {
data |= pos;
if (SERIAL_RXD_READ()) {
data |= mask;
} }
#ifdef SERIAL_BIT_ORDER_MSB #ifdef SERIAL_BIT_ORDER_MSB
pos >>= 1;
mask >>= 1;
#else #else
pos <<= 1;
mask <<= 1;
#endif #endif
} while (pos);
// to center of stop bit
} while (mask);
/* to center of stop bit */
_delay_us(WAIT_US); _delay_us(WAIT_US);


#ifdef SERIAL_NEGATIVE_LOGIC
data = ~data;
#endif

uint8_t next = (rbuf_head + 1) % RBUF_SIZE; uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
if (next != rbuf_tail) { if (next != rbuf_tail) {
rbuf[rbuf_head] = data; rbuf[rbuf_head] = data;