HI, ALL!
I have added some configure for stm32f407. need some help for i2c configue
first
#define STM32F4_PIN_I2C(port, idx, altfunc) \
{ \
{ \
.pin_first = STM32F4_GPIO_PIN(port, idx), \
.pin_last = STM32F4_GPIO_PIN(port, idx), \
.mode = STM32F4_GPIO_MODE_AF, \
.otype = STM32F4_GPIO_OTYPE_OPEN_DRAIN, \
.ospeed = STM32F4_GPIO_OSPEED_2_MHZ, \
.pupd = STM32F4_GPIO_PULL_UP, \
.af = altfunc \
} \
}
#define STM32F4_PIN_I2C1_SCL STM32F4_PIN_I2C(1, 8, STM32F4_GPIO_AF_I2C1)
#define STM32F4_PIN_I2C1_SDA STM32F4_PIN_I2C(1, 9, STM32F4_GPIO_AF_I2C1)
#endif /* STM32F4_FAMILY_F4XXXX */
// in start-config-io.c also add pins
#ifdef STM32F4_ENABLE_I2C1
STM32F4_PIN_I2C1_SCL,
STM32F4_PIN_I2C1_SDA,
#endif
but i still cant open device like "/dev/i2c-1" or "/dev/i2c-1.eeprom", my board
PB8 PB9 is i2c1_______________________________________________
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