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Ensure half word alignment in audio 4 channel example

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This commit is contained in:
Reinhard Panhuber 2021-04-08 20:15:08 +02:00
parent 4bebb9ca49
commit 97d1609c72
1 changed files with 2 additions and 2 deletions
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4
examples/device/audio_4_channel_mic/src/main.c
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@ -63,7 +63,7 @@ audio_control_range_2_n_t(1) volumeRng[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX+1];
audio_control_range_4_n_t(1) sampleFreqRng; // Sample frequency range state audio_control_range_4_n_t(1) sampleFreqRng; // Sample frequency range state
// Audio test data // Audio test data
uint8_t i2s_dummy_buffer[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ]; uint16_t i2s_dummy_buffer[CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO][CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ/2]; // Ensure half word aligned
void led_blinking_task(void); void led_blinking_task(void);
void audio_task(void); void audio_task(void);
@ -411,7 +411,7 @@ bool tud_audio_tx_done_post_load_cb(uint8_t rhport, uint16_t n_bytes_copied, uin
// Generate dummy data // Generate dummy data
for (uint16_t cnt = 0; cnt < CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO; cnt++) for (uint16_t cnt = 0; cnt < CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO; cnt++)
{ {
uint16_t * p_buff = (uint16_t *) i2s_dummy_buffer[cnt]; // 2 bytes per sample uint16_t * p_buff = i2s_dummy_buffer[cnt]; // 2 bytes per sample
dataVal = 1; dataVal = 1;
for (uint16_t cnt2 = 0; cnt2 < AUDIO_SAMPLE_RATE/1000; cnt2++) for (uint16_t cnt2 = 0; cnt2 < AUDIO_SAMPLE_RATE/1000; cnt2++)
{ {