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32 lines
1009 B
C
32 lines
1009 B
C
#include "hal/spi_slave_hal.h"
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#include "hal/spi_ll.h"
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#include "soc/soc_caps.h"
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void spi_slave_hal_init(spi_slave_hal_context_t *hal, const spi_slave_hal_config_t *hal_config)
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{
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spi_dev_t *hw = SPI_LL_GET_HW(hal_config->host_id);
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hal->hw = hw;
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hal->dma_in = hal_config->dma_in;
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hal->dma_out = hal_config->dma_out;
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spi_ll_slave_init(hal->hw);
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//Force a transaction done interrupt. This interrupt won't fire yet because we initialized the SPI interrupt as
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//disabled. This way, we can just enable the SPI interrupt and the interrupt handler will kick in, handling
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//any transactions that are queued.
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spi_ll_set_int_stat(hal->hw);
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spi_ll_enable_int(hal->hw);
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}
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void spi_slave_hal_setup_device(const spi_slave_hal_context_t *hal)
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{
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spi_ll_set_rx_lsbfirst(hal->hw, hal->rx_lsbfirst);
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spi_ll_set_tx_lsbfirst(hal->hw, hal->tx_lsbfirst);
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spi_ll_slave_set_mode(hal->hw, hal->mode, hal->use_dma);
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}
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void spi_slave_hal_deinit(spi_slave_hal_context_t *hal)
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{
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}
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