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Update I2S driver for esp32s2beta.

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This commit is contained in:
kooho
2019-06-06 17:00:03 +08:00
parent 60db9e1a34
commit 2139ca668d
14 changed files with 263 additions and 113 deletions
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6
examples/peripherals/i2s/README.md
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@@ -53,9 +53,9 @@ If you have a logic analyzer, you can use a logic analyzer to grab online data.
| pin name| function | gpio_num |
|:---:|:---:|:---:|
| WS |word select| GPIO_NUM_25 |
| SCK |continuous serial clock| GPIO_NUM_26 |
| SD |serial data| GPIO_NUM_22 |
| WS |word select| GPIO_NUM_15 |
| SCK |continuous serial clock| GPIO_NUM_13 |
| SD |serial data| GPIO_NUM_21 |
## Troubleshooting

6
examples/peripherals/i2s/main/i2s_example_main.c
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@@ -21,9 +21,9 @@
#define I2S_NUM (0)
#define WAVE_FREQ_HZ (100)
#define PI (3.14159265)
#define I2S_BCK_IO (GPIO_NUM_26)
#define I2S_WS_IO (GPIO_NUM_25)
#define I2S_DO_IO (GPIO_NUM_22)
#define I2S_BCK_IO (GPIO_NUM_13)
#define I2S_WS_IO (GPIO_NUM_15)
#define I2S_DO_IO (GPIO_NUM_21)
#define I2S_DI_IO (-1)
#define SAMPLE_PER_CYCLE (SAMPLE_RATE/WAVE_FREQ_HZ)