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Merge pull request #4760 from phectori/nucleo-f401-i2c

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boards: I2C Feature for nucleo-f401
This commit is contained in:
Joakim Nohlgård 2016-03-04 15:53:40 +01:00
commit 6fed2eaeca
2 changed files with 30 additions and 0 deletions
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1
boards/nucleo-f401/Makefile.features
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@ -1,5 +1,6 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_cpuid
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_gpio
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

29
boards/nucleo-f401/include/periph_conf.h
View File

@ -133,6 +133,35 @@ static const uart_conf_t uart_config[] = {
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_NUMOF (1U)
#define I2C_0_EN 1
#define I2C_IRQ_PRIO 1
#define I2C_APBCLK (42000000U)
/* I2C 0 device configuration */
#define I2C_0_DEV I2C1
#define I2C_0_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_I2C1EN)
#define I2C_0_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
#define I2C_0_EVT_IRQ I2C1_EV_IRQn
#define I2C_0_EVT_ISR isr_i2c1_ev
#define I2C_0_ERR_IRQ I2C1_ER_IRQn
#define I2C_0_ERR_ISR isr_i2c1_er
/* I2C 0 pin configuration */
#define I2C_0_SCL_PORT GPIOB
#define I2C_0_SCL_PIN 8
#define I2C_0_SCL_AF 4
#define I2C_0_SCL_CLKEN() (RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN)
#define I2C_0_SDA_PORT GPIOB
#define I2C_0_SDA_PIN 9
#define I2C_0_SDA_AF 4
#define I2C_0_SDA_CLKEN() (RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN)
/** @} */
#ifdef __cplusplus
}
#endif