diff options
Diffstat (limited to 'drivers/arm/i2c_master.h')
| -rw-r--r-- | drivers/arm/i2c_master.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/arm/i2c_master.h b/drivers/arm/i2c_master.h index efe3909a66..31cbfb9774 100644 --- a/drivers/arm/i2c_master.h +++ b/drivers/arm/i2c_master.h @@ -27,7 +27,7 @@ #include "ch.h" #include <hal.h> -#if defined(STM32F1XX) || defined(STM32F1xx) || defined(STM32F2xx) || defined(STM32F4xx) || defined(STM32L0xx) || defined(STM32L1xx) +#if defined(STM32F1XX) || defined(STM32F1xx) || defined(STM32F2xx) || defined(STM32F4xx) || defined(STM32F4XX) || defined(STM32L0xx) || defined(STM32L1xx) # define USE_I2CV1 #endif @@ -51,6 +51,20 @@ # define I2C1_SDA 7 #endif +#if defined(STM32F1XX) || defined(STM32F1xx) +# define USE_GPIOV1 +#endif + +#ifndef USE_GPIOV1 +// 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 + #ifdef USE_I2CV1 # ifndef I2C1_OPMODE # define I2C1_OPMODE OPMODE_I2C @@ -62,14 +76,6 @@ # define I2C1_DUTY_CYCLE STD_DUTY_CYCLE /* FAST_DUTY_CYCLE_2 */ # 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 - // 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 |