src/main/target/PIXRACER/hardware_setup.c

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <stdbool.h>
  19 #include <stdint.h>
  20 #include <stdlib.h>
  21
  22 #include "platform.h"
  23
  24 #include "build/build_config.h"
  25
  26 #include "drivers/time.h"
  27 #include "drivers/bus_spi.h"
  28 #include "drivers/io.h"
  29 #include "drivers/io_impl.h"
  30
  31 void initialisePreBootHardware(void)
  32 {
  33     // VDD_3V3_SENSORS_EN
  34     // On Chinese clone from BangGood VDD_3V3_SENSORS seems to be always enabled, but just in case the code is run on original board - init and pull high
  35     IOInit(DEFIO_IO(PE3), OWNER_SYSTEM, RESOURCE_OUTPUT, 0);
  36     IOConfigGPIO(DEFIO_IO(PE3), IOCFG_OUT_PP);
  37     IOLo(DEFIO_IO(PE3));
  38     delay(100);
  39     IOHi(DEFIO_IO(PE3));
  40
  41     // VDD_3V3_PERIPH_EN - Enables 3V3 for 8266 and Spektrum
  42     IOInit(DEFIO_IO(PC5), OWNER_SYSTEM, RESOURCE_OUTPUT, 0);
  43     IOConfigGPIO(DEFIO_IO(PC5), IOCFG_OUT_PP);
  44     IOHi(DEFIO_IO(PC5));
  45
  46     // SPEKTRUM_POWER - Enables 3V3 power output for RC connector
  47     IOInit(DEFIO_IO(PE4), OWNER_SYSTEM, RESOURCE_OUTPUT, 0);
  48     IOConfigGPIO(DEFIO_IO(PE4), IOCFG_OUT_PP);
  49     IOHi(DEFIO_IO(PE4));
  50 }