src/main/pg/bus_spi.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 "platform.h"
  22
  23 #ifdef USE_SPI
  24
  25 #include "drivers/dma_reqmap.h"
  26 #include "drivers/io.h"
  27
  28 #include "pg/bus_spi.h"
  29 #include "pg/pg.h"
  30 #include "pg/pg_ids.h"
  31
  32 #include "bus_spi.h"
  33
  34 typedef struct spiDefaultConfig_s {
  35     SPIDevice device;
  36     ioTag_t sck;
  37     ioTag_t miso;
  38     ioTag_t mosi;
  39     dmaoptValue_t txDmaopt;
  40     dmaoptValue_t rxDmaopt;
  41 } spiDefaultConfig_t;
  42
  43 const spiDefaultConfig_t spiDefaultConfig[] = {
  44 #ifdef USE_SPI_DEVICE_1
  45     { SPIDEV_1, IO_TAG(SPI1_SCK_PIN), IO_TAG(SPI1_MISO_PIN), IO_TAG(SPI1_MOSI_PIN), SPI1_TX_DMA_OPT, SPI1_RX_DMA_OPT },
  46 #endif
  47 #ifdef USE_SPI_DEVICE_2
  48     { SPIDEV_2, IO_TAG(SPI2_SCK_PIN), IO_TAG(SPI2_MISO_PIN), IO_TAG(SPI2_MOSI_PIN), SPI2_TX_DMA_OPT, SPI2_RX_DMA_OPT },
  49 #endif
  50 #ifdef USE_SPI_DEVICE_3
  51     { SPIDEV_3, IO_TAG(SPI3_SCK_PIN), IO_TAG(SPI3_MISO_PIN), IO_TAG(SPI3_MOSI_PIN), SPI3_TX_DMA_OPT, SPI3_RX_DMA_OPT },
  52 #endif
  53 #ifdef USE_SPI_DEVICE_4
  54     { SPIDEV_4, IO_TAG(SPI4_SCK_PIN), IO_TAG(SPI4_MISO_PIN), IO_TAG(SPI4_MOSI_PIN), SPI4_TX_DMA_OPT, SPI4_RX_DMA_OPT },
  55 #endif
  56 #ifdef USE_SPI_DEVICE_5
  57     { SPIDEV_5, IO_TAG(SPI5_SCK_PIN), IO_TAG(SPI5_MISO_PIN), IO_TAG(SPI5_MOSI_PIN), SPI5_TX_DMA_OPT, SPI5_RX_DMA_OPT },
  58 #endif
  59 #ifdef USE_SPI_DEVICE_6
  60     { SPIDEV_6, IO_TAG(SPI6_SCK_PIN), IO_TAG(SPI6_MISO_PIN), IO_TAG(SPI6_MOSI_PIN), SPI6_TX_DMA_OPT, SPI6_RX_DMA_OPT },
  61 #endif
  62 };
  63
  64 PG_REGISTER_ARRAY_WITH_RESET_FN(spiPinConfig_t, SPIDEV_COUNT, spiPinConfig, PG_SPI_PIN_CONFIG, 1);
  65
  66 void pgResetFn_spiPinConfig(spiPinConfig_t *spiPinConfig)
  67 {
  68     for (size_t i = 0; i < SPIDEV_COUNT; i++) {
  69         spiPinConfig[i].txDmaopt = -1;
  70         spiPinConfig[i].rxDmaopt = -1;
  71     }
  72
  73     for (size_t i = 0 ; i < ARRAYLEN(spiDefaultConfig) ; i++) {
  74         const spiDefaultConfig_t *defconf = &spiDefaultConfig[i];
  75         spiPinConfig[defconf->device].ioTagSck = defconf->sck;
  76         spiPinConfig[defconf->device].ioTagMiso = defconf->miso;
  77         spiPinConfig[defconf->device].ioTagMosi = defconf->mosi;
  78         spiPinConfig[defconf->device].txDmaopt = defconf->txDmaopt;
  79         spiPinConfig[defconf->device].rxDmaopt = defconf->rxDmaopt;
  80     }
  81 }
  82 #endif