2 files changed, 16 insertions(+), 10 deletions(-)

M drivers/arm/i2c_master.c
M drivers/arm/i2c_master.h

@@ 62,7 62,7 @@ __attribute__((weak)) void i2c_init(void) {
     palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_INPUT);
 
     chThdSleepMilliseconds(10);
-#ifdef USE_I2CV1
+#if defined(USE_GPIOV1)
     palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
     palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
 #else

@@ 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