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betaflight/src/main/pg/serial_uart.c
2024-12-28 16:55:15 +11:00

102 lines
3.1 KiB
C

/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software 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 and Betaflight are distributed in the hope that they
* 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 this software.
*
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include "platform.h"
#ifdef USE_UART
#include "common/utils.h"
#include "pg/pg.h"
#include "pg/pg_ids.h"
#include "pg/serial_uart.h"
#include "drivers/io_types.h"
#include "drivers/serial.h"
#include "drivers/serial_uart.h"
#include "drivers/dma_reqmap.h"
// TODO(hertz@): UARTDEV_CONFIG_MAX is measured to be exactly 8, which cannot accomodate even all the UARTs below
PG_REGISTER_ARRAY_WITH_RESET_FN(serialUartConfig_t, UARTDEV_CONFIG_MAX, serialUartConfig, PG_SERIAL_UART_CONFIG, 0);
typedef struct uartDmaopt_s {
serialPortIdentifier_e identifier;
int8_t txDmaopt;
int8_t rxDmaopt;
} uartDmaopt_t;
static const uartDmaopt_t uartDmaopt[] = {
#ifdef USE_UART0
{ SERIAL_PORT_UART0, UART0_TX_DMA_OPT, UART0_RX_DMA_OPT },
#endif
#ifdef USE_UART1
{ SERIAL_PORT_USART1, UART1_TX_DMA_OPT, UART1_RX_DMA_OPT },
#endif
#ifdef USE_UART2
{ SERIAL_PORT_USART2, UART2_TX_DMA_OPT, UART2_RX_DMA_OPT },
#endif
#ifdef USE_UART3
{ SERIAL_PORT_USART3, UART3_TX_DMA_OPT, UART3_RX_DMA_OPT },
#endif
#ifdef USE_UART4
{ SERIAL_PORT_UART4, UART4_TX_DMA_OPT, UART4_RX_DMA_OPT },
#endif
#ifdef USE_UART5
{ SERIAL_PORT_UART5, UART5_TX_DMA_OPT, UART5_RX_DMA_OPT },
#endif
#ifdef USE_USART6
{ SERIAL_PORT_UART6, UART6_TX_DMA_OPT, UART6_RX_DMA_OPT },
#endif
#ifdef USE_USART7
{ SERIAL_PORT_UART7, UART7_TX_DMA_OPT, UART7_RX_DMA_OPT },
#endif
#ifdef USE_USART8
{ SERIAL_PORT_UART8, UART8_TX_DMA_OPT, UART8_RX_DMA_OPT },
#endif
#ifdef USE_UART9
{ SERIAL_PORT_UART9, UART9_TX_DMA_OPT, UART9_RX_DMA_OPT },
#endif
#ifdef USE_UART10
{ SERIAL_PORT_UART10, UART10_TX_DMA_OPT, UART10_RX_DMA_OPT },
#endif
#ifdef USE_LPUART1
{ SERIAL_PORT_LPUART1, DMA_OPT_UNUSED, DMA_OPT_UNUSED },
#endif
};
void pgResetFn_serialUartConfig(serialUartConfig_t *config)
{
for (unsigned i = 0; i < UARTDEV_CONFIG_MAX; i++) {
config[i].txDmaopt = DMA_OPT_UNUSED;
config[i].rxDmaopt = DMA_OPT_UNUSED;
}
for (unsigned i = 0; i < ARRAYLEN(uartDmaopt); i++) {
const int resourceIndex = serialResourceIndex(uartDmaopt[i].identifier);
if (resourceIndex >= 0 && resourceIndex < UARTDEV_CONFIG_MAX) { // hadle corrupted config gracefuly
config[resourceIndex].txDmaopt = uartDmaopt[i].txDmaopt;
config[resourceIndex].rxDmaopt = uartDmaopt[i].rxDmaopt;
}
}
}
#endif