atbetaflight/src/main/drivers/serial_uart_pinconfig.c

65 lines
2.0 KiB
C

/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* UART pin configuration common to all MCUs.
*/
/*
* Authors:
* jflyper - Created as a part of configurable UART/refactoring.
*/
#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "build/build_config.h"
#include "drivers/rcc.h"
#include "drivers/serial.h"
#include "drivers/serial_uart.h"
#include "drivers/serial_uart_impl.h"
uartDevice_t uartDevice[UARTDEV_COUNT]; // Only those configured in target.h
uartDevice_t *uartDevmap[UARTDEV_COUNT_MAX]; // Full array
void uartPinConfigure(const serialPinConfig_t *pSerialPinConfig)
{
uartDevice_t *uartdev = uartDevice;
for (size_t hindex = 0; hindex < UARTDEV_COUNT; hindex++) {
const uartHardware_t *hardware = &uartHardware[hindex];
UARTDevice device = hardware->device;
for (int pindex = 0 ; pindex < UARTHARDWARE_MAX_PINS ; pindex++) {
if (hardware->rxPins[pindex] && (hardware->rxPins[pindex] == pSerialPinConfig->ioTagRx[device]))
uartdev->rx = pSerialPinConfig->ioTagRx[device];
if (hardware->txPins[pindex] && (hardware->txPins[pindex] == pSerialPinConfig->ioTagTx[device]))
uartdev->tx = pSerialPinConfig->ioTagTx[device];
}
if (uartdev->rx || uartdev->tx) {
uartdev->hardware = hardware;
uartDevmap[device] = uartdev++;
}
}
}