pebble/src/fw/console/dbgserial.c
2025-01-27 11:38:16 -08:00

74 lines
1.7 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "dbgserial.h"
#include "board/board.h"
#include "drivers/uart.h"
#include <stdio.h>
#if PULSE_EVERYWHERE
#define DEFAULT_SERIAL_BAUD_RATE 1000000
#else
#define DEFAULT_SERIAL_BAUD_RATE 230400
#endif
void dbgserial_init(void) {
uart_init(DBG_UART);
dbgserial_restore_baud_rate();
}
void dbgserial_change_baud_rate(uint32_t new_baud) {
uart_set_baud_rate(DBG_UART, new_baud);
}
void dbgserial_restore_baud_rate(void) {
dbgserial_change_baud_rate(DEFAULT_SERIAL_BAUD_RATE);
}
void dbgserial_putstr(const char* str) {
while (*str) {
dbgserial_putchar(*str);
++str;
}
dbgserial_putchar('\r');
dbgserial_putchar('\n');
}
void dbgserial_putchar(uint8_t c) {
dbgserial_putchar_lazy(c);
dbgserial_flush();
}
void dbgserial_putchar_lazy(uint8_t c) {
uart_write_byte(DBG_UART, c);
}
void dbgserial_flush(void) {
uart_wait_for_tx_complete(DBG_UART);
}
void dbgserial_putstr_fmt(char* buffer, unsigned int buffer_size, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
vsniprintf(buffer, buffer_size, fmt, ap);
va_end(ap);
dbgserial_putstr(buffer);
}