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-rw-r--r--keyboards/mitosis/matrix.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/keyboards/mitosis/matrix.c b/keyboards/mitosis/matrix.c
index a92c3e8431..e5389bb113 100644
--- a/keyboards/mitosis/matrix.c
+++ b/keyboards/mitosis/matrix.c
@@ -20,6 +20,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "matrix.h"
#include "uart.h"
+#define UART_MATRIX_RESPONSE_TIMEOUT 10000
+
void matrix_init_custom(void) {
uart_init(1000000);
}
@@ -34,18 +36,23 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) {
//trust the external keystates entirely, erase the last data
uint8_t uart_data[11] = {0};
- //there are 10 bytes corresponding to 10 columns, and an end byte
+ //there are 10 bytes corresponding to 10 columns, and then an end byte
for (uint8_t i = 0; i < 11; i++) {
//wait for the serial data, timeout if it's been too long
//this only happened in testing with a loose wire, but does no
//harm to leave it in here
while (!uart_available()) {
timeout++;
- if (timeout > 10000) {
+ if (timeout > UART_MATRIX_RESPONSE_TIMEOUT) {
break;
}
}
- uart_data[i] = uart_read();
+
+ if (timeout < UART_MATRIX_RESPONSE_TIMEOUT) {
+ uart_data[i] = uart_read();
+ } else {
+ uart_data[i] = 0x00;
+ }
}
//check for the end packet, the key state bytes use the LSBs, so 0xE0