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driver(I2S): Fix I2S reset issue for release/v3.3 

`i2s_start` reseting I2S in incorrect order causeing the word-order error.
This commit is contained in:
houwenxiang 2020-07-13 12:26:54 +08:00 committed by bot
parent 9ff108dcd0
commit c7f33524b4
1 changed files with 15 additions and 7 deletions
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22
components/driver/i2s.c
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@ -492,6 +492,15 @@ esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, i2s_bits_per_sample_t b
rate, real_rate, bits, clkmInteger, bck, (double)I2S_BASE_CLK / mclk, real_rate*bits*channel, 64, clkmDecimals);
}
if (p_i2s_obj[i2s_num]->mode & I2S_MODE_TX) {
p_i2s_obj[i2s_num]->tx->curr_ptr = NULL;
p_i2s_obj[i2s_num]->tx->rw_pos = 0;
}
if (p_i2s_obj[i2s_num]->mode & I2S_MODE_RX) {
p_i2s_obj[i2s_num]->rx->curr_ptr = NULL;
p_i2s_obj[i2s_num]->rx->rw_pos = 0;
}
I2S[i2s_num]->sample_rate_conf.tx_bits_mod = bits;
I2S[i2s_num]->sample_rate_conf.rx_bits_mod = bits;
@ -673,17 +682,16 @@ esp_err_t i2s_start(i2s_port_t i2s_num)
I2S_CHECK((i2s_num < I2S_NUM_MAX), "i2s_num error", ESP_ERR_INVALID_ARG);
//start DMA link
I2S_ENTER_CRITICAL();
i2s_reset_fifo(i2s_num);
I2S[i2s_num]->conf.tx_reset = 1;
I2S[i2s_num]->conf.tx_reset = 0;
I2S[i2s_num]->conf.rx_reset = 1;
I2S[i2s_num]->conf.rx_reset = 0;
//reset dma
I2S[i2s_num]->lc_conf.in_rst = 1;
I2S[i2s_num]->lc_conf.in_rst = 0;
I2S[i2s_num]->lc_conf.out_rst = 1;
I2S[i2s_num]->lc_conf.out_rst = 0;
I2S[i2s_num]->conf.tx_reset = 1;
I2S[i2s_num]->conf.tx_reset = 0;
I2S[i2s_num]->conf.rx_reset = 1;
I2S[i2s_num]->conf.rx_reset = 0;
i2s_reset_fifo(i2s_num);
esp_intr_disable(p_i2s_obj[i2s_num]->i2s_isr_handle);
I2S[i2s_num]->int_clr.val = 0xFFFFFFFF;
@ -898,7 +906,6 @@ static esp_err_t i2s_param_config(i2s_port_t i2s_num, const i2s_config_t *i2s_co
adc_power_always_on();
}
// configure I2S data port interface.
i2s_reset_fifo(i2s_num);
//reset i2s
I2S[i2s_num]->conf.tx_reset = 1;
I2S[i2s_num]->conf.tx_reset = 0;
@ -910,6 +917,7 @@ static esp_err_t i2s_param_config(i2s_port_t i2s_num, const i2s_config_t *i2s_co
I2S[i2s_num]->lc_conf.in_rst = 0;
I2S[i2s_num]->lc_conf.out_rst = 1;
I2S[i2s_num]->lc_conf.out_rst = 0;
i2s_reset_fifo(i2s_num);
//Enable and configure DMA
I2S[i2s_num]->lc_conf.check_owner = 0;