stmhal/dma: Make DAC DMA descriptors conditional on having a DAC.

stmhal/dma.c

@@ -242,10 +242,14 @@ const dma_descr_t dma_I2C_3_TX = { DMA1_Channel2, DMA_REQUEST_3, DMA_MEMORY_TO_P
 //const dma_descr_t dma_ADC_3_RX = { DMA1_Channel3, DMA_REQUEST_0, DMA_PERIPH_TO_MEMORY, dma_id_2,   NULL }; // unused
 const dma_descr_t dma_SPI_1_TX = { DMA1_Channel3, DMA_REQUEST_1, DMA_MEMORY_TO_PERIPH, dma_id_2,   &dma_init_struct_spi_i2c };
 const dma_descr_t dma_I2C_3_RX = { DMA1_Channel3, DMA_REQUEST_3, DMA_PERIPH_TO_MEMORY, dma_id_2,   &dma_init_struct_spi_i2c };
+#if MICROPY_HW_ENABLE_DAC
 const dma_descr_t dma_DAC_1_TX = { DMA1_Channel3, DMA_REQUEST_6, DMA_MEMORY_TO_PERIPH, dma_id_2,   &dma_init_struct_dac };
+#endif
 const dma_descr_t dma_SPI_2_RX = { DMA1_Channel4, DMA_REQUEST_1, DMA_PERIPH_TO_MEMORY, dma_id_3,   &dma_init_struct_spi_i2c };
 const dma_descr_t dma_I2C_2_TX = { DMA1_Channel4, DMA_REQUEST_3, DMA_MEMORY_TO_PERIPH, dma_id_3,   &dma_init_struct_spi_i2c };
+#if MICROPY_HW_ENABLE_DAC
 const dma_descr_t dma_DAC_2_TX = { DMA1_Channel4, DMA_REQUEST_5, DMA_MEMORY_TO_PERIPH, dma_id_3,   &dma_init_struct_dac };
+#endif
 const dma_descr_t dma_SPI_2_TX = { DMA1_Channel5, DMA_REQUEST_1, DMA_MEMORY_TO_PERIPH, dma_id_4,   &dma_init_struct_spi_i2c };
 const dma_descr_t dma_I2C_2_RX = { DMA1_Channel5, DMA_REQUEST_3, DMA_PERIPH_TO_MEMORY, dma_id_4,   &dma_init_struct_spi_i2c };
 const dma_descr_t dma_I2C_1_TX = { DMA1_Channel6, DMA_REQUEST_3, DMA_MEMORY_TO_PERIPH, dma_id_5,   &dma_init_struct_spi_i2c };