electronics/lw35-upgrade
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keyboard: avr: implement ioc protocol

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This commit is contained in:
Markus Koch 2019-11-01 19:52:10 +01:00
parent 13d25c6866
commit 2b070b173a
1 changed files with 16 additions and 4 deletions
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20
keyboard/avr/main.c
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@ -196,23 +196,35 @@ uint8_t matrix_state_last_vector[9] = {0xFF, 0xFF, 0xFF, 0xFF,
uint8_t fn_active = 0; uint8_t fn_active = 0;
void uart_putc(char c)
{
while (!(UCSRA & (1 << UDRE)));
UDR = c;
}
void process_key_event(uint8_t col, uint8_t row, uint8_t state) void process_key_event(uint8_t col, uint8_t row, uint8_t state)
{ {
char c; char c;
uint8_t keycode; uint8_t keycode;
int event = 0;
keycode = keycode_translation_matrix[fn_active][col][row]; keycode = keycode_translation_matrix[fn_active][col][row];
if (keycode == SKEY_FN) { if (keycode == SKEY_FN) {
fn_active = state; fn_active = state;
#ifdef KEYCODE_FN #ifdef KEYCODE_FN
while (!(UCSRA & (1 << UDRE))); c = KEYCODE_FN | (state << 7);
UDR = KEYCODE_FN | (state << 7); event = 1;
#endif #endif
} else { } else {
c = keycode | (state << 7); c = keycode | (state << 7);
while (!(UCSRA & (1 << UDRE))); event = 1;
UDR = c; }
if (event) {
uart_putc(0xFF);
uart_putc(0x55);
uart_putc(c);
} }
} }