diff options
| author | Ryan Ascheman <rascheman@groupon.com> | 2016-10-18 12:42:02 -0700 |
|---|---|---|
| committer | Ryan Ascheman <rascheman@groupon.com> | 2016-10-18 12:42:02 -0700 |
| commit | 55b8b8477cc6aee82dfe6792eea4e589cac433d5 (patch) | |
| tree | ce5bfbd1b0ee59dbffdc2044bcf90c89614392ed /keyboards/lets_split/i2c.h | |
| parent | d1c70328f8d8ded6ce1e5422b468fc41ef315e7d (diff) | |
| parent | 04df74f6360464661bcc1e6794e9fd3549084390 (diff) | |
Merge remote-tracking branch 'upstream/master'
* upstream/master: (1239 commits)
Update ez.c
removes planck/rev3 temporarily
Move hand_swap_config to ez.c, removes error for infinity
Update Makefile
ergodox: Update algernon's keymap to v1.9
Added VS Code dir to .gitignore
Support the Pegasus Hoof controller.
[Jack & Erez] Simplifies and documents TO
add readme
use wait_ms instead of _delay_ms
add messenger
init keymap
Add example keymap
Adding whiskey_tango_foxtrot_capslock ergodox keymap
Unicode map framework. Allow unicode up to 0xFFFFF using separate mapping table
CIE 1931 dim curve
Apply the dim curve to the RGB output
Update the Cluecard readme files
Tune snake and knight intervals for Cluecard
Tunable RGB light intervals
...
Diffstat (limited to 'keyboards/lets_split/i2c.h')
| -rw-r--r-- | keyboards/lets_split/i2c.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/keyboards/lets_split/i2c.h b/keyboards/lets_split/i2c.h new file mode 100644 index 0000000000..08ce4b0093 --- /dev/null +++ b/keyboards/lets_split/i2c.h @@ -0,0 +1,31 @@ +#ifndef I2C_H +#define I2C_H + +#include <stdint.h> + +#ifndef F_CPU +#define F_CPU 16000000UL +#endif + +#define I2C_READ 1 +#define I2C_WRITE 0 + +#define I2C_ACK 1 +#define I2C_NACK 0 + +#define SLAVE_BUFFER_SIZE 0x10 + +// i2c SCL clock frequency +#define SCL_CLOCK 100000L + +extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; + +void i2c_master_init(void); +uint8_t i2c_master_start(uint8_t address); +void i2c_master_stop(void); +uint8_t i2c_master_write(uint8_t data); +uint8_t i2c_master_read(int); +void i2c_reset_state(void); +void i2c_slave_init(uint8_t address); + +#endif |