diff options
Diffstat (limited to 'firmware/e300/rev_c/i2c.h')
-rw-r--r-- | firmware/e300/rev_c/i2c.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/firmware/e300/rev_c/i2c.h b/firmware/e300/rev_c/i2c.h new file mode 100644 index 000000000..5898e7e43 --- /dev/null +++ b/firmware/e300/rev_c/i2c.h @@ -0,0 +1,17 @@ +#ifndef I2C_H +#define I2C_H + +#include "io.h" + +void i2c_init(io_pin_t sda, io_pin_t scl); +bool i2c_read(io_pin_t sda, io_pin_t scl, uint8_t addr, uint8_t subaddr, uint8_t* value); +bool i2c_write(io_pin_t sda, io_pin_t scl, uint8_t addr, uint8_t subaddr, uint8_t value); + +void i2c_init_ex(io_pin_t sda, io_pin_t scl, bool pull_up); +bool i2c_read_ex(io_pin_t sda, io_pin_t scl, uint8_t addr, uint8_t subaddr, uint8_t* value, bool pull_up); +bool i2c_read2_ex(io_pin_t sda, io_pin_t scl, uint8_t addr, uint8_t subaddr, uint8_t* value, bool pull_up); +bool i2c_write_ex(io_pin_t sda, io_pin_t scl, uint8_t addr, uint8_t subaddr, uint8_t value, bool pull_up); + +extern volatile bool _i2c_disable_ack_check; + +#endif // I2C_H |