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| author | Benjamin Weps <benjamin.weps@posteo.de> | 2017-06-15 12:48:21 +0200 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-06-27 12:42:46 +1000 |
| commit | 3e82bedf46c29ce33baa34cfeb535bf1a04e12f6 (patch) | |
| tree | cf74aec2e30c6b4c38536ed8b1f512534def8b9b | |
| parent | fbd252b77cb7eb5b525e757ac7dd20051fd6b673 (diff) | |
| download | micropython-3e82bedf46c29ce33baa34cfeb535bf1a04e12f6.tar.gz micropython-3e82bedf46c29ce33baa34cfeb535bf1a04e12f6.zip | |
stmhal/sdcard: Allow a board to customise the SDIO pins.
| -rw-r--r-- | stmhal/sdcard.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/stmhal/sdcard.c b/stmhal/sdcard.c index 5a4b3b0e47..c7ddbbde3a 100644 --- a/stmhal/sdcard.c +++ b/stmhal/sdcard.c @@ -96,6 +96,18 @@ #endif +// If no custom SDIO pins defined, use the default ones +#ifndef MICROPY_HW_SDMMC_CK + +#define MICROPY_HW_SDMMC_D0 (pin_C8) +#define MICROPY_HW_SDMMC_D1 (pin_C9) +#define MICROPY_HW_SDMMC_D2 (pin_C10) +#define MICROPY_HW_SDMMC_D3 (pin_C11) +#define MICROPY_HW_SDMMC_CK (pin_C12) +#define MICROPY_HW_SDMMC_CMD (pin_D2) + +#endif + // TODO: Since SDIO is fundamentally half-duplex, we really only need to // tie up one DMA channel. However, the HAL DMA API doesn't // seem to provide a convenient way to change the direction. I believe that @@ -128,12 +140,12 @@ void sdcard_init(void) { mp_hal_pin_config_alt(&MICROPY_HW_SDMMC2_D3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, AF_FN_SDMMC, 2); #else // Default SDIO/SDMMC1 config - mp_hal_pin_config(&pin_C8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); - mp_hal_pin_config(&pin_C9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); - mp_hal_pin_config(&pin_C10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); - mp_hal_pin_config(&pin_C11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); - mp_hal_pin_config(&pin_C12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); - mp_hal_pin_config(&pin_D2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_D0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_D1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_D2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_D3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_CK, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); + mp_hal_pin_config(&MICROPY_HW_SDMMC_CMD, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_UP, GPIO_AF12_SDIO); #endif // configure the SD card detect pin |