src/main/pg/sdcard.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
  24 #include "platform.h"
  25
  26 #ifdef USE_SDCARD
  27
  28 #include "pg/pg.h"
  29 #include "pg/pg_ids.h"
  30
  31 #include "sdcard.h"
  32 #include "drivers/bus_spi.h"
  33 #include "drivers/sdio.h"
  34 #include "drivers/io.h"
  35 #include "drivers/dma.h"
  36 #include "drivers/dma_reqmap.h"
  37
  38 #ifdef USE_SDCARD_SPI
  39 #ifndef SDCARD_SPI_INSTANCE
  40 #define SDCARD_SPI_INSTANCE NULL
  41 #endif
  42 #ifndef SDCARD_SPI_CS_PIN
  43 #define SDCARD_SPI_CS_PIN NONE
  44 #endif
  45 #endif // USE_SDCARD_SPI
  46
  47 #ifndef SDCARD_DETECT_PIN
  48 #define SDCARD_DETECT_PIN NONE
  49 #endif
  50
  51 #ifdef SDCARD_DETECT_INVERTED
  52 #define SDCARD_DETECT_IS_INVERTED 1
  53 #else
  54 #define SDCARD_DETECT_IS_INVERTED 0
  55 #endif
  56
  57 PG_REGISTER_WITH_RESET_FN(sdcardConfig_t, sdcardConfig, PG_SDCARD_CONFIG, 2);
  58
  59 void pgResetFn_sdcardConfig(sdcardConfig_t *config)
  60 {
  61     config->cardDetectTag = IO_TAG(SDCARD_DETECT_PIN);
  62     config->cardDetectInverted = SDCARD_DETECT_IS_INVERTED;
  63
  64     // We can safely handle SPI and SDIO cases separately on custom targets, as these are exclusive per target.
  65     // On generic targets, SPI has precedence over SDIO; SDIO must be post-flash configured.
  66     config->device = SPI_DEV_TO_CFG(SPIINVALID);
  67
  68 #ifdef CONFIG_IN_SDCARD
  69     // CONFIG_ID_SDDCARD requires a default mode.
  70 #if defined(USE_SDCARD_SDIO)
  71     config->mode = SDCARD_MODE_SDIO;
  72 #elif defined(USE_SDCARD_SPI)
  73     config->mode = SDCARD_MODE_SPI;
  74 #endif
  75 #else
  76     config->mode = SDCARD_MODE_NONE;
  77 #endif
  78
  79 #if defined(STM32H7) && defined(USE_SDCARD_SDIO) // H7 only for now, likely should be applied to F4/F7 too
  80     config->mode = SDCARD_MODE_SDIO;
  81 #endif
  82
  83 #ifdef USE_SDCARD_SPI
  84     // These settings do not work for Unified Targets
  85     // They are only left in place to support legacy targets
  86     SPIDevice spidevice = spiDeviceByInstance(SDCARD_SPI_INSTANCE);
  87     config->device = SPI_DEV_TO_CFG(spidevice);
  88     config->chipSelectTag = IO_TAG(SDCARD_SPI_CS_PIN);
  89
  90     if (spidevice != SPIINVALID && config->chipSelectTag) {
  91         config->mode = SDCARD_MODE_SPI;
  92     }
  93 #endif
  94
  95 #if defined(USE_SDCARD_SDIO) && defined(SDIO_DEVICE)
  96     if (SDIO_DEVICE != SDIOINVALID) {
  97         config->mode = SDCARD_MODE_SDIO;
  98     }
  99 #endif
 100 }
 101 #endif