src/main/drivers/serial_pinconfig.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <stdbool.h>
  22 #include <stdint.h>
  23 #include <string.h>
  24
  25 #include "platform.h"
  26
  27 #if defined(USE_UART) || defined(USE_LPUART) || defined(USE_SOFTSERIAL)
  28
  29 #include "build/build_config.h"
  30
  31 #include "io/serial.h"
  32 #include "drivers/serial.h"
  33 #include "drivers/serial_uart.h"
  34
  35 #include "pg/pg_ids.h"
  36
  37 typedef struct serialDefaultPin_s {
  38     serialPortIdentifier_e ident;
  39     ioTag_t rxIO, txIO, inverterIO;
  40 } serialDefaultPin_t;
  41
  42 static const serialDefaultPin_t serialDefaultPin[] = {
  43 #ifdef USE_UART0
  44     { SERIAL_PORT_UART0, IO_TAG(UART0_RX_PIN), IO_TAG(UART0_TX_PIN), IO_TAG(INVERTER_PIN_UART0) },
  45 #endif
  46 #ifdef USE_UART1
  47     { SERIAL_PORT_USART1, IO_TAG(UART1_RX_PIN), IO_TAG(UART1_TX_PIN), IO_TAG(INVERTER_PIN_UART1) },
  48 #endif
  49 #ifdef USE_UART2
  50     { SERIAL_PORT_USART2, IO_TAG(UART2_RX_PIN), IO_TAG(UART2_TX_PIN), IO_TAG(INVERTER_PIN_UART2) },
  51 #endif
  52 #ifdef USE_UART3
  53     { SERIAL_PORT_USART3, IO_TAG(UART3_RX_PIN), IO_TAG(UART3_TX_PIN), IO_TAG(INVERTER_PIN_UART3) },
  54 #endif
  55 #ifdef USE_UART4
  56     { SERIAL_PORT_UART4, IO_TAG(UART4_RX_PIN), IO_TAG(UART4_TX_PIN), IO_TAG(INVERTER_PIN_UART4) },
  57 #endif
  58 #ifdef USE_UART5
  59     { SERIAL_PORT_UART5, IO_TAG(UART5_RX_PIN), IO_TAG(UART5_TX_PIN), IO_TAG(INVERTER_PIN_UART5) },
  60 #endif
  61 #ifdef USE_UART6
  62     { SERIAL_PORT_USART6, IO_TAG(UART6_RX_PIN), IO_TAG(UART6_TX_PIN), IO_TAG(INVERTER_PIN_UART6) },
  63 #endif
  64 #ifdef USE_UART7
  65     { SERIAL_PORT_USART7, IO_TAG(UART7_RX_PIN), IO_TAG(UART7_TX_PIN), IO_TAG(INVERTER_PIN_UART7) },
  66 #endif
  67 #ifdef USE_UART8
  68     { SERIAL_PORT_USART8, IO_TAG(UART8_RX_PIN), IO_TAG(UART8_TX_PIN), IO_TAG(INVERTER_PIN_UART8) },
  69 #endif
  70 #ifdef USE_UART9
  71     { SERIAL_PORT_UART9, IO_TAG(UART9_RX_PIN), IO_TAG(UART9_TX_PIN), IO_TAG(INVERTER_PIN_UART9) },
  72 #endif
  73 #ifdef USE_UART10
  74     { SERIAL_PORT_USART10, IO_TAG(UART10_RX_PIN), IO_TAG(UART10_TX_PIN), IO_TAG(INVERTER_PIN_UART10) },
  75 #endif
  76 #ifdef USE_LPUART1
  77     { SERIAL_PORT_LPUART1, IO_TAG(LPUART1_RX_PIN), IO_TAG(LPUART1_TX_PIN), IO_TAG(NONE) },
  78 #endif
  79 #ifdef USE_SOFTSERIAL1
  80     { SERIAL_PORT_SOFTSERIAL1, IO_TAG(SOFTSERIAL1_RX_PIN), IO_TAG(SOFTSERIAL1_TX_PIN), IO_TAG(NONE) },
  81 #endif
  82 #ifdef USE_SOFTSERIAL2
  83     { SERIAL_PORT_SOFTSERIAL2, IO_TAG(SOFTSERIAL2_RX_PIN), IO_TAG(SOFTSERIAL2_TX_PIN), IO_TAG(NONE) },
  84 #endif
  85 };
  86
  87 PG_REGISTER_WITH_RESET_FN(serialPinConfig_t, serialPinConfig, PG_SERIAL_PIN_CONFIG, 0);
  88
  89 void pgResetFn_serialPinConfig(serialPinConfig_t *serialPinConfig)
  90 {
  91     for (const serialDefaultPin_t *defpin = serialDefaultPin; defpin < ARRAYEND(serialDefaultPin); defpin++) {
  92         const int resourceIndex = serialResourceIndex(defpin->ident);
  93         if (resourceIndex >= 0) {
  94             serialPinConfig->ioTagRx[resourceIndex] = defpin->rxIO;
  95             serialPinConfig->ioTagTx[resourceIndex] = defpin->txIO;
  96 #if defined(USE_INVERTER)
  97             // LPUART/SOFTSERIAL do not need/support inverter
  98             if (resourceIndex < (int)ARRAYLEN(serialPinConfig->ioTagInverter)) {
  99                 serialPinConfig->ioTagInverter[resourceIndex] = defpin->inverterIO;
 100             }
 101 #endif
 102         }
 103     }
 104 }
 105
 106 #endif