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spi_master: fix master HD mode cannot correctly receive data issue when using DMA

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This commit is contained in:
Armando
2022-03-07 12:29:46 +08:00
parent 3c9cc070dd
commit e9bbe44d19
1 changed files with 5 additions and 2 deletions
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7
components/soc/src/hal/spi_hal_iram.c
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@@ -125,12 +125,15 @@ void spi_hal_prepare_data(const spi_hal_context_t *hal)
lldesc_setup_link(hal->dmadesc_rx, hal->rcv_buffer, ((hal->rx_bitlen + 7) / 8), true);
spi_ll_rxdma_start(hw, hal->dmadesc_rx);
}
} else {
}
#if CONFIG_IDF_TARGET_ESP32
else {
//DMA temporary workaround: let RX DMA work somehow to avoid the issue in ESP32 v0/v1 silicon
if (hal->dma_enabled) {
if (hal->dma_enabled && !hal->half_duplex) {
spi_ll_rxdma_start(hw, 0);
}
}
#endif
if (hal->send_buffer) {
if (!hal->dma_enabled) {