diff options
author | mtdjr <mtdjr@users.noreply.github.com> | 2018-05-31 11:30:05 -0400 |
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committer | Drashna Jaelre <drashna@live.com> | 2018-05-31 08:30:05 -0700 |
commit | ee9a7aba396160929604aca54a23ad5534d59940 (patch) | |
tree | f4fbbde03ed548a68fd56bec5c6baf8cf217f180 /keyboards/handwired/not_so_minidox/i2c.h | |
parent | 21ad968ac14b177a7c97d34106c4d6201912627f (diff) |
add not-so-minidox handwire keyboard (#3061)
* add not-so-minidox handwire keyboard
* corrected keymap
* multiple adjustments to not_so_minidox keyboard
* remove I2C master left define
* update default layer set function
* move solenoid code into userspace
* minor adjustments to config.h
* update keymaps to utilize userspace
* move features and config to userspace, correct build issue
* correct solenoid pin
* adjust defaults for solenoid pin and enable
* default solenoid to on for not_so_minidox
* disable RGBLIGHT_SLEEP for xd75
* tweaking solenoid enable/disable in userspace and keymaps
Diffstat (limited to 'keyboards/handwired/not_so_minidox/i2c.h')
-rw-r--r-- | keyboards/handwired/not_so_minidox/i2c.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/keyboards/handwired/not_so_minidox/i2c.h b/keyboards/handwired/not_so_minidox/i2c.h new file mode 100644 index 0000000000..c15b6bc506 --- /dev/null +++ b/keyboards/handwired/not_so_minidox/i2c.h @@ -0,0 +1,49 @@ +#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 400000L + +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); + + +static inline unsigned char i2c_start_read(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_READ); +} + +static inline unsigned char i2c_start_write(unsigned char addr) { + return i2c_master_start((addr << 1) | I2C_WRITE); +} + +// from SSD1306 scrips +extern unsigned char i2c_rep_start(unsigned char addr); +extern void i2c_start_wait(unsigned char addr); +extern unsigned char i2c_readAck(void); +extern unsigned char i2c_readNak(void); +extern unsigned char i2c_read(unsigned char ack); + +#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); + +#endif |