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Update RMKB to support SNAP (#17042)
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jaygreco authored May 10, 2022
1 parent 76eff70 commit 120d5d5
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Showing 2 changed files with 6 additions and 6 deletions.
10 changes: 5 additions & 5 deletions keyboards/nullbitsco/common/remote_kb.c
Original file line number Diff line number Diff line change
Expand Up @@ -62,13 +62,12 @@ static void send_msg(uint16_t keycode, bool pressed) {
msg[IDX_KCMSB] = (keycode >> 8) & 0xFF;
msg[IDX_PRESSED] = pressed;
msg[IDX_CHECKSUM] = chksum8(msg, UART_MSG_LEN-1);

uart_transmit(msg, UART_MSG_LEN);
}

static void print_message_buffer(void) {
static inline void print_message_buffer(void) {
for (int i=0; i<UART_MSG_LEN; i++) {
dprintf("msg[%u]: %u\n", i, msg[i]);
dprintf("msg[%u]: 0x%02X\n", i, msg[i]);
}
}

Expand All @@ -77,7 +76,7 @@ static void process_uart(void) {
if (msg[IDX_PREAMBLE] != UART_PREAMBLE || msg[IDX_CHECKSUM] != chksum) {
dprintf("UART checksum mismatch!\n");
print_message_buffer();
dprintf("calc checksum: %u\n", chksum);
dprintf("calc checksum: 0x%02X\n", chksum);
} else {
uint16_t keycode = (uint16_t)msg[IDX_KCLSB] | ((uint16_t)msg[IDX_KCMSB] << 8);
bool pressed = (bool)msg[IDX_PRESSED];
Expand All @@ -102,13 +101,14 @@ static void process_uart(void) {
static void get_msg(void) {
while (uart_available()) {
msg[msg_idx] = uart_read();
dprintf("idx: %u, recv: %u\n", msg_idx, msg[msg_idx]);
dprintf("idx: %u, recv: 0x%002X\n", msg_idx, msg[msg_idx]);
if (msg_idx == 0 && (msg[msg_idx] != UART_PREAMBLE)) {
dprintf("Byte sync error!\n");
msg_idx = 0;
} else if (msg_idx == (UART_MSG_LEN-1)) {
process_uart();
msg_idx = 0;
break;
} else {
msg_idx++;
}
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2 changes: 1 addition & 1 deletion keyboards/nullbitsco/common/remote_kb.h
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@

#include "quantum.h"

#define SERIAL_UART_BAUD 153600 //low error rate for 32u4 @ 16MHz
#define SERIAL_UART_BAUD 76800 //low error rate for 32u4 @ 16MHz

#define UART_PREAMBLE 0x69
#define UART_MSG_LEN 5
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