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rp2040: implement I2C

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This implements I2C for the rp2040 target. All output groupings of both
I2C blocks are available for use.

Signed-off-by: Lasse Dalegaard <dalegaard@gmail.com>
This commit is contained in:
Lasse Dalegaard
2021-12-12 12:13:13 +01:00
committed by KevinOConnor
parent 6e6ad7b520
commit 090fcf928f
4 changed files with 227 additions and 0 deletions
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10
src/rp2040/gpio.h
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@@ -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