ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Tidy up existing i2c_master implementations (#15376)

Browse source 
* Move chibios defines out of header

* Make some avr defines internal
This commit is contained in:
Joel Challis 2021-12-02 14:32:31 +00:00 • committed by GitHub
parent 4466261895
commit 3bf2403244
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 71 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

61
platforms/chibios/drivers/i2c_master.h
View file

@ -24,66 +24,7 @@
*/
#pragma once
#include <ch.h>
#include <hal.h>
#ifndef I2C1_SCL_PIN
# define I2C1_SCL_PIN B6
#endif
#ifndef I2C1_SDA_PIN
# define I2C1_SDA_PIN B7
#endif
#ifdef USE_I2CV1
# ifndef I2C1_OPMODE
# define I2C1_OPMODE OPMODE_I2C
# endif
# ifndef I2C1_CLOCK_SPEED
# define I2C1_CLOCK_SPEED 100000 /* 400000 */
# endif
# ifndef I2C1_DUTY_CYCLE
# define I2C1_DUTY_CYCLE STD_DUTY_CYCLE /* FAST_DUTY_CYCLE_2 */
# endif
#else
// The default timing values below configures the I2C clock to 400khz assuming a 72Mhz clock
// For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html
# ifndef I2C1_TIMINGR_PRESC
# define I2C1_TIMINGR_PRESC 0U
# endif
# ifndef I2C1_TIMINGR_SCLDEL
# define I2C1_TIMINGR_SCLDEL 7U
# endif
# ifndef I2C1_TIMINGR_SDADEL
# define I2C1_TIMINGR_SDADEL 0U
# endif
# ifndef I2C1_TIMINGR_SCLH
# define I2C1_TIMINGR_SCLH 38U
# endif
# ifndef I2C1_TIMINGR_SCLL
# define I2C1_TIMINGR_SCLL 129U
# endif
#endif
#ifndef I2C_DRIVER
# define I2C_DRIVER I2CD1
#endif
#ifdef USE_GPIOV1
# ifndef I2C1_SCL_PAL_MODE
# define I2C1_SCL_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# endif
# ifndef I2C1_SDA_PAL_MODE
# define I2C1_SDA_PAL_MODE PAL_MODE_ALTERNATE_OPENDRAIN
# endif
#else
// The default PAL alternate modes are used to signal that the pins are used for I2C
# ifndef I2C1_SCL_PAL_MODE
# define I2C1_SCL_PAL_MODE 4
# endif
# ifndef I2C1_SDA_PAL_MODE
# define I2C1_SDA_PAL_MODE 4
# endif
#endif
#include <stdint.h>
typedef int16_t i2c_status_t;