#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 read_cols(uint8_t row);
static void init_cols(void);
-static void unselect_rows();
+static void unselect_rows(void);
static void select_row(uint8_t row);
-static uint8_t mcp23018_status;
+static uint8_t mcp23018_reset_loop;
-#ifdef DEBUG_MATRIX_FREQ
+#ifdef DEBUG_MATRIX_SCAN_RATE
uint32_t matrix_timer;
uint32_t matrix_scan_count;
#endif
// initialize row and col
init_ergodox();
mcp23018_status = init_mcp23018();
+ ergodox_blink_all_leds();
unselect_rows();
init_cols();
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();
case 4:
case 5:
case 7:
- // red
+ // white
ergodox_left_led_1_on();
break;
+ case 9:
+ // white+green
+ ergodox_left_led_1_on();
+ ergodox_left_led_3_on();
+ break;
default:
// none
break;
*
* Teensy
* col: 0 1 2 3 4 5
- * pin: F0 F1 F4 F5 F6 F7
+ * pin: F0 F1 F4 F5 F6 F7
*
* MCP23018
* col: 0 1 2 3 4 5
- * pin: B5 B4 B3 B2 B1 B0
+ * pin: B5 B4 B3 B2 B1 B0
*/
static void init_cols(void)
{
// set other rows hi-Z : 1
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)
+ mcp23018_status = i2c_write( 0xFF & ~(1<<row)
& ~(ergodox_left_led_3<<LEFT_LED_3_SHIFT)
); if (mcp23018_status) goto out;
out:
}
}
}
-