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Put USB on tile[1] - builds + I2S looping

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This commit is contained in:
Ed Clarke
2018-10-26 11:46:51 +01:00
parent 161b934b8f
commit 35042e742f
5 changed files with 46 additions and 45 deletions
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22
examples/xua_lite_example/src/audio_hub.xc
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@@ -6,31 +6,28 @@
#define DEBUG_PRINT_ENABLE_XUA_AUDIO_HUB 1
#include "debug_print.h"
void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c);
[[distributable]]
void AudioHub(server i2s_frame_callback_if i2s,
chanend c_aud,
client i2c_master_if i_i2c,
client i2c_master_if ?i_i2c,
client output_gpio_if dac_reset)
{
int32_t samples[8] = {0}; // Array used for looping back samples
// Set reset DAC
dac_reset.output(0);
delay_milliseconds(1);
dac_reset.output(1);
while (1) {
select {
case i2s.init(i2s_config_t &?i2s_config, tdm_config_t &?tdm_config):
i2s_config.mode = I2S_MODE_I2S;
i2s_config.mclk_bclk_ratio = (MCLK_48/DEFAULT_FREQ)/64;
// Set CODECs in reset
dac_reset.output(0);
// Allow reset to assert
delay_milliseconds(1);
// Take CODECs out of reset
dac_reset.output(1);
AudioHwConfigure(DEFAULT_FREQ, i_i2c);
debug_printf("I2S init\n");
break;
@@ -44,7 +41,6 @@ void AudioHub(server i2s_frame_callback_if i2s,
case i2s.restart_check() -> i2s_restart_t restart:
restart = I2S_NO_RESTART; // Keep on looping
debug_printf("I2S restart\n");
break;
}
}