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fix(parlio_tx): fix error in first transfer and 1 byte transfer

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On p4, the clock was configured in the wrong order causing a dropped
count on the first transmission. And gdma eof event fails to trigger
parlio_tx eof event when transmitting single byte.
This commit is contained in:
Chen Jichang 2024-09-05 17:07:18 +08:00
parent 0c388cf576
commit 7dd15bee31
1 changed files with 2 additions and 1 deletions
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3
components/esp_driver_parlio/src/parlio_tx.c
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@ -244,6 +244,7 @@ static esp_err_t parlio_select_periph_clock(parlio_tx_unit_t *tx_unit, const par
tx_unit->out_clk_freq_hz = hal_utils_calc_clk_div_integer(&clk_info, &clk_div.integer);
#endif
PARLIO_CLOCK_SRC_ATOMIC() {
parlio_ll_tx_enable_clock(hal->regs, true);
parlio_ll_tx_set_clock_source(hal->regs, clk_src);
// set clock division
parlio_ll_tx_set_clock_div(hal->regs, &clk_div);
@ -344,7 +345,7 @@ esp_err_t parlio_new_tx_unit(const parlio_tx_unit_config_t *config, parlio_tx_un
#if SOC_PARLIO_TX_SIZE_BY_DMA
// Always use DMA EOF as the Parlio TX EOF
parlio_ll_tx_set_eof_condition(hal->regs, PARLIO_LL_TX_EOF_COND_DMA_EOF);
parlio_ll_tx_set_eof_condition(hal->regs, PARLIO_LL_TX_EOF_COND_DATA_LEN);
#endif // SOC_PARLIO_TX_SIZE_BY_DMA
// clear any pending interrupt