#include "matrix.h"
#include "ergodox.h"
#include "i2cmaster.h"
-#ifdef DEBUG_MATRIX_FREQ
+#ifdef DEBUG_MATRIX_SCAN_RATE
#include "timer.h"
#endif
static matrix_row_t matrix[MATRIX_ROWS];
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-static matrix_row_t read_cols(uint8_t mcp23018_status, uint8_t row);
+static matrix_row_t read_cols(uint8_t row);
static void init_cols(void);
-static void unselect_rows(uint8_t mcp23018_status);
-static void select_row(uint8_t mcp23018_status, uint8_t row);
+static void unselect_rows();
+static void select_row(uint8_t row);
-#ifdef DEBUG_MATRIX_FREQ
+static uint8_t mcp23018_reset_loop;
+
+#ifdef DEBUG_MATRIX_SCAN_RATE
uint32_t matrix_timer;
uint32_t matrix_scan_count;
#endif
{
// initialize row and col
init_ergodox();
- uint8_t mcp23018_status;
mcp23018_status = init_mcp23018();
- unselect_rows(mcp23018_status);
+ ergodox_blink_all_leds();
+ unselect_rows();
init_cols();
// initialize matrix state: all keys off
matrix_debouncing[i] = 0;
}
-#ifdef DEBUG_MATRIX_FREQ
+#ifdef DEBUG_MATRIX_SCAN_RATE
matrix_timer = timer_read32();
matrix_scan_count = 0;
#endif
uint8_t matrix_scan(void)
{
-#ifdef DEBUG_MATRIX_FREQ
+ 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_SCAN_RATE
matrix_scan_count++;
uint32_t timer_now = timer_read32();
#ifdef KEYMAP_CUB
uint8_t layer = biton32(layer_state);
- if (layer == 1) {
- ergodox_left_led_1_on();
- ergodox_left_led_2_off();
- ergodox_left_led_3_off();
- } else if (layer == 2) {
- ergodox_left_led_1_off();
- ergodox_left_led_2_on();
- ergodox_left_led_3_off();
- } else if (layer == 3) {
- ergodox_left_led_1_off();
- ergodox_left_led_2_off();
- ergodox_left_led_3_on();
- } else if (layer == 4) {
- ergodox_left_led_1_on();
- ergodox_left_led_2_off();
- ergodox_left_led_3_on();
- } else if (layer == 5) {
- ergodox_left_led_1_on();
- ergodox_left_led_2_on();
- ergodox_left_led_3_off();
- } else if (layer == 6) {
- ergodox_left_led_1_off();
- ergodox_left_led_2_on();
- ergodox_left_led_3_on();
- } else if (layer == 7) {
- ergodox_left_led_1_on();
- ergodox_left_led_2_on();
- ergodox_left_led_3_on();
- } else {
- ergodox_left_led_1_off();
- ergodox_left_led_2_off();
- ergodox_left_led_3_off();
+ 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;
}
- // not actually needed because we already calling init_mcp23018() in next line
- // ergodox_left_leds_update();
-
+ mcp23018_status = ergodox_left_leds_update();
#endif
- uint8_t mcp23018_status = init_mcp23018();
-
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- select_row(mcp23018_status, i);
- _delay_us(30); // without this wait read unstable value.
- matrix_row_t cols = read_cols(mcp23018_status, i);
+ select_row(i);
+ matrix_row_t cols = read_cols(i);
if (matrix_debouncing[i] != cols) {
matrix_debouncing[i] = cols;
if (debouncing) {
}
debouncing = DEBOUNCE;
}
- unselect_rows(mcp23018_status);
+ unselect_rows();
}
if (debouncing) {
PORTF |= (1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<1 | 1<<0);
}
-static matrix_row_t read_cols(uint8_t mcp23018_status, uint8_t row)
+static matrix_row_t read_cols(uint8_t row)
{
if (row < 7) {
if (mcp23018_status) { // if there was an error
return 0;
} else {
uint8_t data = 0;
- uint8_t err = 0x20;
- err = i2c_start(I2C_ADDR_WRITE); if (err) goto out;
- err = i2c_write(GPIOB); if (err) goto out;
- err = i2c_start(I2C_ADDR_READ); if (err) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out;
data = i2c_readNak();
data = ~data;
out:
return data;
}
} else {
+ _delay_us(30); // without this wait read unstable value.
// read from teensy
return
(PINF&(1<<0) ? 0 : (1<<0)) |
* row: 0 1 2 3 4 5 6
* pin: A0 A1 A2 A3 A4 A5 A6
*/
-static void unselect_rows(uint8_t mcp23018_status)
+static void unselect_rows(void)
{
// unselect on mcp23018
if (mcp23018_status) { // if there was an error
// do nothing
} else {
// set all rows hi-Z : 1
- uint8_t err = 0x20;
- err = i2c_start(I2C_ADDR_WRITE); if (err) goto out;
- err = i2c_write(GPIOA); if (err) goto out;
- err = i2c_write( 0xFF
- & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
- ); if (err) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write( 0xFF
+ & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
+ ); if (mcp23018_status) goto out;
out:
i2c_stop();
}
PORTC &= ~(1<<6);
}
-static void select_row(uint8_t mcp23018_status, uint8_t row)
+static void select_row(uint8_t row)
{
if (row < 7) {
// select on mcp23018
} else {
// set active row low : 0
// set other rows hi-Z : 1
- uint8_t err = 0x20;
- err = i2c_start(I2C_ADDR_WRITE); if (err) goto out;
- err = i2c_write(GPIOA); if (err) goto out;
- err = i2c_write( 0xFF & ~(1<<row)
- & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
- ); if (err) goto out;
+ mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
+ mcp23018_status = i2c_write( 0xFF & ~(1<<row)
+ & ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
+ ); if (mcp23018_status) goto out;
out:
i2c_stop();
}
projects / tmk_firmware.git / blobdiff