Create I2C/TWI library and enable it

2020-11-08 08:56:31 +01:00
parent f9deb66109
commit 919626437f
3 changed files with 80 additions and 0 deletions
--- a/i2c.h
+++ b/i2c.h
@@ -0,0 +1,16 @@
+#ifndef __I2C_H__
+#define __I2C_H__
+
+#define I2C_ACK 1
+#define I2C_NACK 0
+#define I2C_READ 1
+
+void i2c_init(uint32_t bitrate);
+void i2c_start(void);
+void i2c_stop(void);
+uint8_t i2c_read(uint8_t ack);
+void i2c_write(uint8_t byte);
+void i2c_readbuf(uint8_t sla, uint8_t adr, uint8_t len, uint8_t* buf);
+void i2c_writebuf(uint8_t sla, uint8_t adr, uint8_t len, uint8_t* buf);
+
+#endif