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[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>
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1 changed files with 9 additions and 2 deletions
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@ -18,6 +18,8 @@
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#include "matrix.h"
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#include "uart.h"
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#define UART_MATRIX_RESPONSE_TIMEOUT 10000
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void matrix_init_custom(void) {
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uart_init(1000000);
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}
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@ -39,11 +41,16 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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//harm to leave it in here
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while (!uart_available()) {
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timeout++;
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if (timeout > 10000) {
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if (timeout > UART_MATRIX_RESPONSE_TIMEOUT) {
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break;
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}
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}
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uart_data[i] = uart_read();
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if (timeout < UART_MATRIX_RESPONSE_TIMEOUT) {
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uart_data[i] = uart_read();
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} else {
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uart_data[i] = 0x00;
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}
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}
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//check for the end packet, the key state bytes use the LSBs, so 0xE0
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