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bluepill: copy i2c support from nucleo-f103

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The only difference is that we changed the pins used by I2C_0.
This commit is contained in:
Sören Tempel 2017-11-28 17:49:23 +01:00
parent eeebe934c4
commit 906df604e5
2 changed files with 36 additions and 0 deletions
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1
boards/bluepill/Makefile.features
View File

@ -1,6 +1,7 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_gpio
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

35
boards/bluepill/include/periph_conf.h
View File

@ -152,6 +152,41 @@ static const uart_conf_t uart_config[] = {
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */
/**
* @name I2C configuration
* @{
*/
#define I2C_NUMOF (2U)
#define I2C_0_EN 1
#define I2C_1_EN 0 /* Disabled by default since pins collide with USART3. */
#define I2C_IRQ_PRIO 1
#define I2C_APBCLK (CLOCK_APB1)
/* I2C 0 device configuration */
#define I2C_0_DEV I2C1
#define I2C_0_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C1EN))
#define I2C_0_CLKDIS() (periph_clk_dis(APB1, 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_PIN GPIO_PIN(PORT_B, 6)
#define I2C_0_SDA_PIN GPIO_PIN(PORT_B, 7)
/* I2C 1 device configuration */
#define I2C_1_DEV I2C2
#define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C2EN))
#define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C2EN))
#define I2C_1_EVT_IRQ I2C2_EV_IRQn
#define I2C_1_EVT_ISR isr_i2c2_ev
#define I2C_1_ERR_IRQ I2C2_ER_IRQn
#define I2C_1_ERR_ISR isr_i2c2_er
/* I2C 1 pin configuration */
#define I2C_1_SCL_PIN GPIO_PIN(PORT_B, 10)
#define I2C_1_SDA_PIN GPIO_PIN(PORT_B, 11)
/** @} */
/**
* @name PWM configuration
* @{