8000 stm32/dcmi: Add F4/F7/H7 hal files and dma definitions for DCMI periph. · andrewleech/micropython@84f4d58 · GitHub
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stm32/dcmi: Add F4/F7/H7 hal files and dma definitions for DCMI periph.
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‎ports/stm32/Makefile

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@@ -320,6 +320,8 @@ endif
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ifeq ($(MCU_SERIES),$(filter $(MCU_SERIES),f4 f7 h7))
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SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\
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hal_sdram.c \
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hal_dma_ex.c \
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hal_dcmi.c \
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)
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endif
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‎ports/stm32/dma.c

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@@ -140,6 +140,27 @@ static const DMA_InitTypeDef dma_init_struct_dac = {
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};
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#endif
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#if MICROPY_HW_ENABLE_DCMI
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static const DMA_InitTypeDef dma_init_struct_dcmi = {
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#if defined(STM32H7)
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.Request = DMA_REQUEST_DCMI,
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#else
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.Channel = DMA_CHANNEL_1,
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#endif
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.Direction = DMA_PERIPH_TO_MEMORY,
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.PeriphInc = DMA_PINC_DISABLE,
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.MemInc = DMA_MINC_ENABLE,
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.PeriphDataAlignment = DMA_PDATAALIGN_WORD,
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.MemDataAlignment = DMA_MDATAALIGN_WORD,
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.Mode = DMA_NORMAL,
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.Priority = DMA_PRIORITY_HIGH,
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.FIFOMode = DMA_FIFOMODE_ENABLE,
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.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL,
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.MemBurst = DMA_MBURST_INC4,
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.PeriphBurst = DMA_PBURST_SINGLE
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};
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#endif
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#if defined(STM32F0)
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#define NCONTROLLERS (2)
@@ -226,6 +247,9 @@ const dma_descr_t dma_I2C_1_TX = { DMA1_Stream6, DMA_CHANNEL_1, dma_id_6, &dma
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#if defined(STM32F7) && defined(SDMMC2) && MICROPY_HW_HAS_SDCARD
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const dma_descr_t dma_SDMMC_2 = { DMA2_Stream0, DMA_CHANNEL_11, dma_id_8, &dma_init_struct_sdio };
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#endif
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#if MICROPY_HW_ENABLE_DCMI
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const dma_descr_t dma_DCMI_0 = { DMA2_Stream1, DMA_CHANNEL_1, dma_id_9, &dma_init_struct_dcmi };
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#endif
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const dma_descr_t dma_SPI_1_RX = { DMA2_Stream2, DMA_CHANNEL_3, dma_id_10, &dma_init_struct_spi_i2c };
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const dma_descr_t dma_SPI_5_RX = { DMA2_Stream3, DMA_CHANNEL_2, dma_id_11, &dma_init_struct_spi_i2c };
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#if defined(MICROPY_HW_HAS_SDCARD) && MICROPY_HW_HAS_SDCARD
@@ -380,6 +404,9 @@ const dma_descr_t dma_I2C_1_TX = { DMA1_Stream7, DMA_REQUEST_I2C1_TX, dma_id_7,
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const dma_descr_t dma_I2C_2_TX = { DMA1_Stream7, DMA_REQUEST_I2C2_TX, dma_id_7, &dma_init_struct_spi_i2c };
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// DMA2 streams
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#if MICROPY_HW_ENABLE_DCMI
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const dma_descr_t dma_DCMI_0 = { DMA2_Stream1, DMA_REQUEST_DCMI, dma_id_9, &dma_init_struct_dcmi };
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#endif
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const dma_descr_t dma_SPI_1_RX = { DMA2_Stream2, DMA_REQUEST_SPI1_RX, dma_id_10, &dma_init_struct_spi_i2c };
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const dma_descr_t dma_SPI_5_RX = { DMA2_Stream3, DMA_REQUEST_SPI5_RX, dma_id_11, &dma_init_struct_spi_i2c };
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const dma_descr_t dma_SPI_4_RX = { DMA2_Stream3, DMA_REQUEST_SPI4_RX, dma_id_11, &dma_init_struct_spi_i2c };

‎ports/stm32/dma.h

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@@ -56,6 +56,7 @@ extern const dma_descr_t dma_SPI_1_TX;
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extern const dma_descr_t dma_SDMMC_2;
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extern const dma_descr_t dma_SPI_6_RX;
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extern const dma_descr_t dma_SDIO_0;
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extern const dma_descr_t dma_DCMI_0;
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#elif defined(STM32L4)
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‎ports/stm32/mpconfigboard_common.h

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@@ -67,6 +67,11 @@
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#define MICROPY_HW_ENABLE_DAC (0)
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#endif
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// Whether to enable the DCMI peripheral
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#ifndef MICROPY_HW_ENABLE_DCMI
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#define MICROPY_HW_ENABLE_DCMI (0)
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#endif
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// Whether to enable USB support
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#ifndef MICROPY_HW_ENABLE_USB
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#define MICROPY_HW_ENABLE_USB (0)

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