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Fiy a typo and clarify one comment (#189)

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kripton 2022-05-16 21:08:01 +02:00 committed by GitHub
parent 6bb66028ed
commit 1a2a85ca6e
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1 changed files with 2 additions and 2 deletions
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spi/spi_dma/spi_dma.c
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@ -50,7 +50,7 @@ int main() {
} }
// We set the outbound DMA to transfer from a memory buffer to the SPI transmit FIFO paced by the SPI TX FIFO DREQ // We set the outbound DMA to transfer from a memory buffer to the SPI transmit FIFO paced by the SPI TX FIFO DREQ
// The default is for the read address to increment every element (in this case 1 byte - DMA_SIZE_8) // The default is for the read address to increment every element (in this case 1 byte = DMA_SIZE_8)
// and for the write address to remain unchanged. // and for the write address to remain unchanged.
printf("Configure TX DMA\n"); printf("Configure TX DMA\n");
@ -66,7 +66,7 @@ int main() {
printf("Configure RX DMA\n"); printf("Configure RX DMA\n");
// We set the inbound DMA to transfer from the SPI receive FIFO to a memory buffer paced by the SPI RX FIFO DREQ // We set the inbound DMA to transfer from the SPI receive FIFO to a memory buffer paced by the SPI RX FIFO DREQ
// We coinfigure the read address to remain unchanged for each element, but the write // We configure the read address to remain unchanged for each element, but the write
// address to increment (so data is written throughout the buffer) // address to increment (so data is written throughout the buffer)
c = dma_channel_get_default_config(dma_rx); c = dma_channel_get_default_config(dma_rx);
channel_config_set_transfer_data_size(&c, DMA_SIZE_8); channel_config_set_transfer_data_size(&c, DMA_SIZE_8);