static void unselect_rows();
static void select_row(uint8_t row);
-static uint8_t mcp23018_status;
+static uint8_t mcp23018_reset_loop;
#ifdef DEBUG_MATRIX_FREQ
uint32_t matrix_timer;
// initialize row and col
init_ergodox();
mcp23018_status = init_mcp23018();
+ ergodox_blink_all_leds();
unselect_rows();
init_cols();
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++;