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Move more UART-based keyboards to use timeout correctly. (#17329)

Co-authored-by: Tomasz Janeczko <tomasz.j@hey.com>
This commit is contained in:
Tomasz Janeczko 2022-06-08 22:51:41 +01:00 committed by GitHub
parent f6a7bf2a83
commit 6567b21688
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 111 additions and 31 deletions

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@ -48,6 +48,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MAIN_ROWMASK 0xFFF0;
#define LOWER_ROWMASK 0x3FC0;
#define UART_MATRIX_RESPONSE_TIMEOUT 10000
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
@ -96,8 +98,6 @@ void matrix_init(void) {
uint8_t matrix_scan(void)
{
//xprintf("\r\nTRYING TO SCAN");
uint32_t timeout = 0;
//the s character requests the RF slave to send the matrix
@ -113,18 +113,22 @@ uint8_t matrix_scan(void)
//harm to leave it in here
while(!uart_available()){
timeout++;
if (timeout > 10000){
xprintf("\r\nTime out in keyboard.");
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
//will only show up here if the correct bytes were recieved
uint8_t checksum = 0x00;
for (uint8_t z=0; z<10; z++){
for (uint8_t z = 0; z < 10; z++){
checksum = checksum^uart_data[z];
}
checksum = checksum ^ (uart_data[10] & 0xF0);