EMTime/libopencm3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add initial set of I2C functions.

Browse Source 
Thomas Otto has tested the code by successfully talking to a temperature
sensor from ST in master tranciever mode.

Thanks Thomas Otto <tommi@viadmin.org> for the patch!
This commit is contained in:
Uwe Hermann
2010-03-01 21:47:14 +01:00
parent 5455b0970e
commit 742c595114
3 changed files with 116 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
include/libopenstm32/i2c.h
View File

@@ -308,4 +308,25 @@
* TRISE[5:0]: Maximum rise time in Fast/Standard mode (master mode)
*/
/* --- I2C const definitions ----------------------------------------------- */
#define I2C_WRITE 0
#define I2C_READ 1
/* --- I2C funtion prototypes----------------------------------------------- */
void i2c_peripheral_enable(u32 i2c);
void i2c_peripheral_disable(u32 i2c);
void i2c_send_start(u32 i2c);
void i2c_send_stop(u32 i2c);
void i2c_set_own_7bit_slave_address(u32 i2c, u8 slave);
void i2c_set_own_10bit_slave_address(u32 i2c, u16 slave);
void i2c_set_fast_mode(u32 i2c);
void i2c_set_standard_mode(u32 i2c);
void i2c_set_clock_frequency(u32 i2c, u8 freq);
void i2c_set_ccr(u32 i2c, u16 freq);
void i2c_set_trise(u32 i2c, u16 trise);
void i2c_send_7bit_address(u32 i2c, u8 slave, u8 readwrite);
void i2c_send_data(u32 i2c, u8 data);
#endif