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author | William Chang <william@factual.com> | 2019-05-09 21:16:15 -0700 |
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committer | William Chang <william@factual.com> | 2019-05-09 21:16:15 -0700 |
commit | 9ce186860e78d5afe350636cb7445e18c2577f33 (patch) | |
tree | b7f5dded777a950e63c4dd967260744336bfaa6b /keyboards/ergodash/i2c.h | |
parent | 57a6ea11df685d84a1ea07953e88f224ce2b24f7 (diff) | |
parent | 4b2d3288d013b1a71ea25402224c4a8225a099e9 (diff) | |
download | firmware-9ce186860e78d5afe350636cb7445e18c2577f33.tar.gz firmware-9ce186860e78d5afe350636cb7445e18c2577f33.tar.bz2 firmware-9ce186860e78d5afe350636cb7445e18c2577f33.zip |
Merge branch 'qmk-master'
Diffstat (limited to 'keyboards/ergodash/i2c.h')
-rw-r--r-- | keyboards/ergodash/i2c.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/keyboards/ergodash/i2c.h b/keyboards/ergodash/i2c.h deleted file mode 100644 index c15b6bc50..000000000 --- a/keyboards/ergodash/i2c.h +++ /dev/null @@ -1,49 +0,0 @@ -#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 |