unleashed-firmware/firmware/targets/f7/furi-hal/furi-hal-console.c
あく 418c0939a0
Guard RCC registers access with critical section (#854)
* Core: critical section macros. FuriHal: guard rcc registers access with critical section, fix condition race.
* FuriHal: update documentation.

Co-authored-by: SG <who.just.the.doctor@gmail.com>
2021-12-01 01:07:17 +03:00

77 lines
2.1 KiB
C

#include <furi-hal-console.h>
#include <furi-hal-uart.h>
#include <stdbool.h>
#include <stm32wbxx_ll_gpio.h>
#include <stm32wbxx_ll_usart.h>
#include <m-string.h>
#include <utilities_conf.h>
#include <furi.h>
#define TAG "FuriHalConsole"
#define CONSOLE_BAUDRATE 230400
volatile bool furi_hal_console_alive = false;
void furi_hal_console_init() {
furi_hal_uart_init(FuriHalUartIdUSART1, CONSOLE_BAUDRATE);
furi_hal_console_alive = true;
FURI_LOG_I(TAG, "Init OK");
}
void furi_hal_console_enable() {
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL, NULL);
while (!LL_USART_IsActiveFlag_TC(USART1));
furi_hal_uart_set_br(FuriHalUartIdUSART1, CONSOLE_BAUDRATE);
furi_hal_console_alive = true;
}
void furi_hal_console_disable() {
while (!LL_USART_IsActiveFlag_TC(USART1));
furi_hal_console_alive = false;
}
void furi_hal_console_tx(const uint8_t* buffer, size_t buffer_size) {
if (!furi_hal_console_alive)
return;
FURI_CRITICAL_ENTER();
// Transmit data
furi_hal_uart_tx(FuriHalUartIdUSART1, (uint8_t*)buffer, buffer_size);
// Wait for TC flag to be raised for last char
while (!LL_USART_IsActiveFlag_TC(USART1));
FURI_CRITICAL_EXIT();
}
void furi_hal_console_tx_with_new_line(const uint8_t* buffer, size_t buffer_size) {
if (!furi_hal_console_alive)
return;
FURI_CRITICAL_ENTER();
// Transmit data
furi_hal_uart_tx(FuriHalUartIdUSART1, (uint8_t*)buffer, buffer_size);
// Transmit new line symbols
furi_hal_uart_tx(FuriHalUartIdUSART1, (uint8_t*)"\r\n", 2);
// Wait for TC flag to be raised for last char
while (!LL_USART_IsActiveFlag_TC(USART1));
FURI_CRITICAL_EXIT();
}
void furi_hal_console_printf(const char format[], ...) {
string_t string;
va_list args;
va_start(args, format);
string_init_vprintf(string, format, args);
va_end(args);
furi_hal_console_tx((const uint8_t*)string_get_cstr(string), string_size(string));
string_clear(string);
}
void furi_hal_console_puts(const char *data) {
furi_hal_console_tx((const uint8_t*)data, strlen(data));
}