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avr: Add support for sending I2C messages

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-11-23 23:49:26 -05:00
parent e5150fe187
commit 729a2e8306
4 changed files with 114 additions and 0 deletions
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9
src/avr/gpio.h
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@@ -45,4 +45,13 @@ 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 {
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