Merge branch 'bugfix/i2s_channel_setting' into 'master'

bugfix(i2s): fix error when changing channel number in i2s_set_clk function

See merge request !784
This commit is contained in:
Angus Gratton 2017-06-06 14:40:43 +08:00
commit 1cbdb35e1e

View file

@ -204,7 +204,16 @@ esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, i2s_bits_per_sample_t b
i2s_stop(i2s_num);
p_i2s_obj[i2s_num]->channel_num = (ch == 2) ? 2 : 1;
uint32_t cur_mode = 0;
if (p_i2s_obj[i2s_num]->channel_num != ch) {
p_i2s_obj[i2s_num]->channel_num = (ch == 2) ? 2 : 1;
cur_mode = I2S[i2s_num]->fifo_conf.tx_fifo_mod;
I2S[i2s_num]->fifo_conf.tx_fifo_mod = (ch == 2) ? cur_mode - 1 : cur_mode + 1;
cur_mode = I2S[i2s_num]->fifo_conf.rx_fifo_mod;
I2S[i2s_num]->fifo_conf.rx_fifo_mod = (ch == 2) ? cur_mode -1 : cur_mode + 1;
I2S[i2s_num]->conf_chan.tx_chan_mod = (ch == 2) ? 0 : 1;
I2S[i2s_num]->conf_chan.rx_chan_mod = (ch == 2) ? 0 : 1;
}
if (bits != p_i2s_obj[i2s_num]->bits_per_sample) {