#include "hal/spi_slave_hal.h" #include "hal/spi_ll.h" #include "soc/soc_caps.h" //This GDMA related part will be introduced by GDMA dedicated APIs in the future. Here we temporarily use macros. #if SOC_GDMA_SUPPORTED #if (SOC_GDMA_TRIG_PERIPH_SPI2_BUS == SOC_GDMA_BUS_AHB) && (SOC_AHB_GDMA_VERSION == 1) #include "soc/gdma_struct.h" #include "hal/gdma_ll.h" #define spi_dma_ll_rx_enable_burst_data(dev, chan, enable) gdma_ll_rx_enable_data_burst(&GDMA, chan, enable); #define spi_dma_ll_tx_enable_burst_data(dev, chan, enable) gdma_ll_tx_enable_data_burst(&GDMA, chan, enable); #define spi_dma_ll_rx_enable_burst_desc(dev, chan, enable) gdma_ll_rx_enable_descriptor_burst(&GDMA, chan, enable); #define spi_dma_ll_tx_enable_burst_desc(dev, chan, enable) gdma_ll_tx_enable_descriptor_burst(&GDMA, chan, enable); #define spi_dma_ll_enable_out_auto_wrback(dev, chan, enable) gdma_ll_tx_enable_auto_write_back(&GDMA, chan, enable); #define spi_dma_ll_set_out_eof_generation(dev, chan, enable) gdma_ll_tx_set_eof_mode(&GDMA, chan, enable); #elif (SOC_GDMA_TRIG_PERIPH_SPI2_BUS == SOC_GDMA_BUS_AXI) //TODO: IDF-6152, refactor spi hal layer #include "hal/axi_dma_ll.h" #define spi_dma_ll_rx_enable_burst_data(dev, chan, enable) axi_dma_ll_rx_enable_data_burst(&AXI_DMA, chan, enable); #define spi_dma_ll_tx_enable_burst_data(dev, chan, enable) axi_dma_ll_tx_enable_data_burst(&AXI_DMA, chan, enable); #define spi_dma_ll_rx_enable_burst_desc(dev, chan, enable) axi_dma_ll_rx_enable_descriptor_burst(&AXI_DMA, chan, enable); #define spi_dma_ll_tx_enable_burst_desc(dev, chan, enable) axi_dma_ll_tx_enable_descriptor_burst(&AXI_DMA, chan, enable); #define spi_dma_ll_enable_out_auto_wrback(dev, chan, enable) axi_dma_ll_tx_enable_auto_write_back(&AXI_DMA, chan, enable); #define spi_dma_ll_set_out_eof_generation(dev, chan, enable) axi_dma_ll_tx_set_eof_mode(&AXI_DMA, chan, enable); #endif #endif //SOC_GDMA_SUPPORTED static void s_spi_slave_hal_dma_init_config(const spi_slave_hal_context_t *hal) { spi_dma_ll_rx_enable_burst_data(hal->dma_in, hal->rx_dma_chan, 1); spi_dma_ll_tx_enable_burst_data(hal->dma_out, hal->tx_dma_chan, 1); spi_dma_ll_rx_enable_burst_desc(hal->dma_in, hal->rx_dma_chan, 1); spi_dma_ll_tx_enable_burst_desc(hal->dma_out, hal->tx_dma_chan, 1); } void spi_slave_hal_init(spi_slave_hal_context_t *hal, const spi_slave_hal_config_t *hal_config) { spi_dev_t *hw = SPI_LL_GET_HW(hal_config->host_id); hal->hw = hw; hal->dma_in = hal_config->dma_in; hal->dma_out = hal_config->dma_out; if (hal->use_dma) { s_spi_slave_hal_dma_init_config(hal); } spi_ll_slave_init(hal->hw); //Force a transaction done interrupt. This interrupt won't fire yet because we initialized the SPI interrupt as //disabled. This way, we can just enable the SPI interrupt and the interrupt handler will kick in, handling //any transactions that are queued. spi_ll_set_int_stat(hal->hw); spi_ll_enable_int(hal->hw); } void spi_slave_hal_setup_device(const spi_slave_hal_context_t *hal) { spi_ll_set_rx_lsbfirst(hal->hw, hal->rx_lsbfirst); spi_ll_set_tx_lsbfirst(hal->hw, hal->tx_lsbfirst); spi_ll_slave_set_mode(hal->hw, hal->mode, hal->use_dma); } void spi_slave_hal_deinit(spi_slave_hal_context_t *hal) { }