Update RMKB to support SNAP (#17042)

This commit is contained in:
Jay Greco 2022-05-09 18:28:16 -07:00 committed by GitHub
parent 76eff706f6
commit 120d5d5520
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 6 deletions

View File

@ -62,13 +62,12 @@ static void send_msg(uint16_t keycode, bool pressed) {
msg[IDX_KCMSB] = (keycode >> 8) & 0xFF; msg[IDX_KCMSB] = (keycode >> 8) & 0xFF;
msg[IDX_PRESSED] = pressed; msg[IDX_PRESSED] = pressed;
msg[IDX_CHECKSUM] = chksum8(msg, UART_MSG_LEN-1); msg[IDX_CHECKSUM] = chksum8(msg, UART_MSG_LEN-1);
uart_transmit(msg, UART_MSG_LEN); 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++) { 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]);
} }
} }
@ -77,7 +76,7 @@ static void process_uart(void) {
if (msg[IDX_PREAMBLE] != UART_PREAMBLE || msg[IDX_CHECKSUM] != chksum) { if (msg[IDX_PREAMBLE] != UART_PREAMBLE || msg[IDX_CHECKSUM] != chksum) {
dprintf("UART checksum mismatch!\n"); dprintf("UART checksum mismatch!\n");
print_message_buffer(); print_message_buffer();
dprintf("calc checksum: %u\n", chksum); dprintf("calc checksum: 0x%02X\n", chksum);
} else { } else {
uint16_t keycode = (uint16_t)msg[IDX_KCLSB] | ((uint16_t)msg[IDX_KCMSB] << 8); uint16_t keycode = (uint16_t)msg[IDX_KCLSB] | ((uint16_t)msg[IDX_KCMSB] << 8);
bool pressed = (bool)msg[IDX_PRESSED]; bool pressed = (bool)msg[IDX_PRESSED];
@ -102,13 +101,14 @@ static void process_uart(void) {
static void get_msg(void) { static void get_msg(void) {
while (uart_available()) { while (uart_available()) {
msg[msg_idx] = uart_read(); 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)) { if (msg_idx == 0 && (msg[msg_idx] != UART_PREAMBLE)) {
dprintf("Byte sync error!\n"); dprintf("Byte sync error!\n");
msg_idx = 0; msg_idx = 0;
} else if (msg_idx == (UART_MSG_LEN-1)) { } else if (msg_idx == (UART_MSG_LEN-1)) {
process_uart(); process_uart();
msg_idx = 0; msg_idx = 0;
break;
} else { } else {
msg_idx++; msg_idx++;
} }

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@ -17,7 +17,7 @@
#include "quantum.h" #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_PREAMBLE 0x69
#define UART_MSG_LEN 5 #define UART_MSG_LEN 5