mordae/pico-sdr
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Use different name for DMA TX channel

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This commit is contained in:
Jan Hamal Dvořák 2024-02-25 12:52:07 +01:00
parent a2b38be6cf
commit eb4a49249a
1 changed files with 9 additions and 7 deletions
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16
src/main.c
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@ -78,6 +78,8 @@ static int dma_t_samp = -1;
static int dma_ch_in_cos = -1;
static int dma_ch_in_sin = -1;
static int dma_ch_tx_cos = -1;
static queue_t iq_queue;
static int gap = 0;
@ -503,15 +505,15 @@ static void rf_tx_start(int tx_pin)
{
send_init(tx_pin);
dma_ch_cos = dma_claim_unused_channel(true);
dma_ch_tx_cos = dma_claim_unused_channel(true);
dma_channel_config dma_conf = dma_channel_get_default_config(dma_ch_cos);
dma_channel_config dma_conf = dma_channel_get_default_config(dma_ch_tx_cos);
channel_config_set_transfer_data_size(&dma_conf, DMA_SIZE_32);
channel_config_set_read_increment(&dma_conf, true);
channel_config_set_write_increment(&dma_conf, false);
channel_config_set_ring(&dma_conf, false, LO_BITS_DEPTH + 2);
channel_config_set_dreq(&dma_conf, pio_get_dreq(pio1, 1, true));
dma_channel_configure(dma_ch_cos, &dma_conf, &pio1->txf[1], lo_cos, UINT_MAX, true);
dma_channel_configure(dma_ch_tx_cos, &dma_conf, &pio1->txf[1], lo_cos, UINT_MAX, true);
}
static void rf_tx_stop()
@ -522,10 +524,10 @@ static void rf_tx_stop()
pio_sm_clear_fifos(pio1, 1);
puts("Stopping DMA...");
dma_channel_abort(dma_ch_cos);
dma_channel_cleanup(dma_ch_cos);
dma_channel_unclaim(dma_ch_cos);
dma_ch_cos = -1;
dma_channel_abort(dma_ch_tx_cos);
dma_channel_cleanup(dma_ch_tx_cos);
dma_channel_unclaim(dma_ch_tx_cos);
dma_ch_tx_cos = -1;
}
static void rf_rx(void)