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-rw-r--r--src/rp2040/gpio.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/rp2040/gpio.h b/src/rp2040/gpio.h
index 90680c6e..ae608378 100644
--- a/src/rp2040/gpio.h
+++ b/src/rp2040/gpio.h
@@ -44,4 +44,14 @@ void spi_prepare(struct spi_config config);
void spi_transfer(struct spi_config config, uint8_t receive_data
, uint8_t len, uint8_t *data);
+struct i2c_config {
+ void *i2c;
+ uint8_t addr;
+};
+
+struct i2c_config i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr);
+void i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write);
+void i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
+ , uint8_t read_len, uint8_t *read);
+
#endif // gpio.h