uint8_t matrix_scan(void)
{
if (mcp23018_status) { // if there was an error
if (++mcp23018_reset_loop == 0) {
// since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
// this will be approx bit more frequent than once per second
print("trying to reset mcp23018\n");
mcp23018_status = init_mcp23018();
if (mcp23018_status) {
print("left side not responding\n");
} else {
print("left side attached\n");
frenchdev_blink_all_leds();
}
}
}
#ifdef DEBUG_MATRIX_SCAN_RATE
matrix_scan_count++;
uint32_t timer_now = timer_read32();
if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
print("matrix scan frequency: ");
pdec(matrix_scan_count);
print("\n");
matrix_timer = timer_now;
matrix_scan_count = 0;
}
#endif
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
select_row(i);
wait_us(30); // without this wait read unstable value.
matrix_row_t cols = read_cols(i);
if (matrix_debouncing[i] != cols) {
matrix_debouncing[i] = cols;
if (debouncing) {
debug("bounce!: "); debug_hex(debouncing); debug("\n");
}
debouncing = DEBOUNCE;
}
unselect_rows();
}
if (debouncing) {
if (--debouncing) {
wait_us(1);
// this should be wait_ms(1) but has been left as-is at EZ's request
} else {
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
matrix[i] = matrix_debouncing[i];
}
}
}
matrix_scan_quantum();
return 1;
}
inline
uint32_t timer_elapsed32(uint32_t last)
{
uint32_t t;
uint8_t sreg = SREG;
cli();
t = timer_count;
SREG = sreg;
return TIMER_DIFF_32(t, last);
}
uint32_t timer_elapsed32(uint32_t last)
{
return TIMER_DIFF_32(timer_read32(), last);
}
uint8_t matrix_scan(void)
{
if (mcp23018_status) { // if there was an error
if (++mcp23018_reset_loop == 0) {
// since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
// this will be approx bit more frequent than once per second
print("trying to reset mcp23018\n");
mcp23018_status = init_mcp23018();
if (mcp23018_status) {
print("left side not responding\n");
} else {
print("left side attached\n");
ergodox_blink_all_leds();
}
}
}
#ifdef DEBUG_MATRIX_FREQ
matrix_scan_count++;
uint32_t timer_now = timer_read32();
if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
print("matrix scan frequency: ");
pdec(matrix_scan_count);
print("\n");
matrix_timer = timer_now;
matrix_scan_count = 0;
}
#endif
#ifdef KEYMAP_CUB
uint8_t layer = biton32(layer_state);
ergodox_board_led_off();
ergodox_left_led_1_off();
ergodox_left_led_2_off();
ergodox_left_led_3_off();
switch (layer) {
case 1:
// all
ergodox_left_led_1_on();
ergodox_left_led_2_on();
ergodox_left_led_3_on();
break;
case 2:
// blue
ergodox_left_led_2_on();
break;
case 8:
// blue and green
ergodox_left_led_2_on();
// break missed intentionally
case 3:
// green
ergodox_left_led_3_on();
break;
case 6:
ergodox_board_led_on();
// break missed intentionally
case 4:
case 5:
case 7:
// red
ergodox_left_led_1_on();
break;
default:
// none
break;
}
mcp23018_status = ergodox_left_leds_update();
#endif
#ifdef KEYMAP_SIMON
uint8_t layer = biton32(layer_state);
ergodox_board_led_off();
switch (layer) {
case 0:
// none
break;
default:
ergodox_board_led_on();
break;
}
#endif
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
select_row(i);
matrix_row_t cols = read_cols(i);
if (matrix_debouncing[i] != cols) {
matrix_debouncing[i] = cols;
if (debouncing) {
debug("bounce!: "); debug_hex(debouncing); debug("\n");
}
debouncing = DEBOUNCE;
}
unselect_rows();
}
if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
matrix[i] = matrix_debouncing[i];
}
}
}
return 1;
}
