From 00596d55e34c003d55a530366bedfb2ea467bedc Mon Sep 17 00:00:00 2001 From: Mikkel Jeppesen <2756925+Duckle29@users.noreply.github.com> Date: Wed, 9 May 2018 18:14:30 +0200 Subject: Added propper support for Lets split vitamins (#2559) * Added support for the upcomming Lets_split vitamins included * Updated readme * Corrected header of readme * Enabled RGB * Broke everything * broke some more shit * Revert "broke some more shit" This reverts commit 6ad68e6269cc0d04c16564ce9598dfd3db1e23c1. * Revert "Broke everything" This reverts commit feeee4e40db15a726f2292b6a9406ef45c1e54a7. * Fixed USB detection, and RGB on slave * started modifying readme, to use msys2 * Added support for the upcomming Lets_split vitamins included * Updated readme * Corrected header of readme * Enabled RGB * Broke everything * broke some more shit * Revert "broke some more shit" This reverts commit 6ad68e6269cc0d04c16564ce9598dfd3db1e23c1. * Revert "Broke everything" This reverts commit feeee4e40db15a726f2292b6a9406ef45c1e54a7. * Fixed USB detection, and RGB on slave * started modifying readme, to use msys2 * Updated readme to reflect use of msys2 Added avrdude to msys path * added avrdude option to msys installer * Removed extra installation of avrdude * Renamed to vitamins_included and implemented drashnas changes * Fixed include guard * Fixed some includes, and added avrdude target to docs. * Fixed default keyboard --- keyboards/vitamins_included/i2c.h | 50 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 keyboards/vitamins_included/i2c.h (limited to 'keyboards/vitamins_included/i2c.h') diff --git a/keyboards/vitamins_included/i2c.h b/keyboards/vitamins_included/i2c.h new file mode 100644 index 000000000..739d134be --- /dev/null +++ b/keyboards/vitamins_included/i2c.h @@ -0,0 +1,50 @@ +#ifndef I2C_H +#define I2C_H + +#include +#include "split_util.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 -- cgit v1.2.3