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Handle timeout on UART for Redox Wireless receiver-to-keyboard communication. #17203

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merged 2 commits into from
Jun 7, 2022
Merged

Handle timeout on UART for Redox Wireless receiver-to-keyboard communication. #17203

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24b725b
Handle timeout on UART for Redox Wireless receiver-to-keyboard commun…
tomaszj May 24, 2022
bb0dd8f
Remove an explicit cast.
tomaszj Jun 7, 2022
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11 changes: 9 additions & 2 deletions keyboards/redox_w/matrix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
#include "matrix.h"
#include "uart.h"

#define UART_MATRIX_RESPONSE_TIMEOUT 10000

void matrix_init_custom(void) {
uart_init(1000000);
}
Expand All @@ -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
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