From 72fd49b1468d6bbfa59e1c6334866d7aa34f31c1 Mon Sep 17 00:00:00 2001 From: yiancar Date: Wed, 18 Jul 2018 19:55:57 +0300 Subject: DC01 keyboard addition (#3428) * DC01 initial commit - Addition of directories - Left readme * Initial commit of left half * Initial files for right half * arrow * i2c adjustments * I2C slave and DC01 refractoring - Cleaned up state machine of I2C slave driver - Modified DC01 left to use already pressent I2C master driver - Modified DC01 matrixes * Fixed tabs to spaces * Addition of Numpad * Add keymaps - Orthopad keymap for numpad module - Numpad keymap for numpad module - ISO, ANSI and HHKB version of keymap for right module * Minor matrix.c fixes * Update Readmes --- keyboards/dc01/left/i2c.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 keyboards/dc01/left/i2c.h (limited to 'keyboards/dc01/left/i2c.h') diff --git a/keyboards/dc01/left/i2c.h b/keyboards/dc01/left/i2c.h new file mode 100644 index 000000000..25e876658 --- /dev/null +++ b/keyboards/dc01/left/i2c.h @@ -0,0 +1,31 @@ +#ifndef I2C_H +#define I2C_H + +#include + +#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); + +#endif -- cgit v1.2.3