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| author | Tomasz Janeczko <janecztom@gmail.com> | 2022-06-07 19:22:13 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-07 11:22:13 -0700 |
| commit | c681b6dbf300270e3e93ab72a57d4a7c18d794e1 (patch) | |
| tree | 8126c9b9c0ef35f2e4fd0d3553ff49d3a0ffa151 /keyboards/redox_w | |
| parent | 5d767f8361a39a7902b81d3902360ca1d22242f4 (diff) | |
| download | qmk_firmware-c681b6dbf300270e3e93ab72a57d4a7c18d794e1.tar.gz qmk_firmware-c681b6dbf300270e3e93ab72a57d4a7c18d794e1.zip | |
[Keyboard] Handle timeout on UART for Redox Wireless (#17203)
* Handle timeout on UART for Redox Wireless receiver-to-keyboard communication.
- This fixes the issue of a keyboard deadlocking on the first matrix
scan with Redox Wireless keyboards
* Remove an explicit cast.
Co-authored-by: Tomasz Janeczko <tomasz.j@hey.com>
Diffstat (limited to 'keyboards/redox_w')
| -rw-r--r-- | keyboards/redox_w/matrix.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/keyboards/redox_w/matrix.c b/keyboards/redox_w/matrix.c index fd25231d9e..6a33e89976 100644 --- a/keyboards/redox_w/matrix.c +++ b/keyboards/redox_w/matrix.c @@ -18,6 +18,8 @@ #include "matrix.h" #include "uart.h" +#define UART_MATRIX_RESPONSE_TIMEOUT 10000 + void matrix_init_custom(void) { uart_init(1000000); } @@ -39,11 +41,16 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) { //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 |