Peripheral MCU configuration for the bluepill/blackpill boards.  
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#include "periph_cpu.h"
#include "clk_conf.h"
Go to the source code of this file.
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#define  | RTT_FREQUENCY   (16384)      /* in Hz */ | 
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#define  | DMA_0_ISR   isr_dma1_channel2 | 
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#define  | DMA_1_ISR   isr_dma1_channel3 | 
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#define  | DMA_2_ISR   isr_dma1_channel4 | 
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#define  | DMA_3_ISR   isr_dma1_channel5 | 
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#define  | DMA_4_ISR   isr_dma1_channel7 | 
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#define  | DMA_NUMOF   ARRAY_SIZE(dma_config) | 
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| static const dma_conf_t  | dma_config [] | 
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#define  | TIMER_0_ISR   isr_tim2 | 
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#define  | TIMER_1_ISR   isr_tim3 | 
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#define  | TIMER_2_ISR   isr_tim4 | 
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#define  | TIMER_NUMOF   ARRAY_SIZE(timer_config) | 
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| static const timer_conf_t  | timer_config [] | 
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#define  | UART_0_ISR   (isr_usart1) | 
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#define  | UART_1_ISR   (isr_usart2) | 
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#define  | UART_2_ISR   (isr_usart3) | 
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#define  | UART_NUMOF   ARRAY_SIZE(uart_config) | 
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static const uart_conf_t  | uart_config [] | 
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 - Note
 - This board may require external pullup resistors for i2c operation. 
  
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#define  | I2C_0_ISR   isr_i2c1_ev | 
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#define  | I2C_1_ISR   isr_i2c2_ev | 
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#define  | I2C_NUMOF   ARRAY_SIZE(i2c_config) | 
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| static const i2c_conf_t  | i2c_config [] | 
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◆ adc_config
Initial value:= {
    
    
    
 
 
 
 
}
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
 
#define GPIO_UNDEF
Definition of a fitting UNDEF value.
 
 
Definition at line 53 of file periph_conf.h.
 
 
◆ dma_config
Initial value:= {
    { .stream = 1 },    
    { .stream = 2 },    
    { .stream = 3 },    
    { .stream = 4 },    
    { .stream = 6 },    
}
 
Definition at line 85 of file periph_conf.h.
 
 
◆ i2c_config
Initial value:= {
    {
        .dev            = I2C1,
        .rcc_mask       = RCC_APB1ENR_I2C1EN,
        .irqn           = I2C1_EV_IRQn
    },
    {
        .dev            = I2C2,
        .rcc_mask       = RCC_APB1ENR_I2C2EN,
        .irqn           = I2C2_EV_IRQn
    }
}
@ APB1
Advanced Peripheral Bus 1
 
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
 
#define CLOCK_APB1
Half AHB clock.
 
 
Definition at line 238 of file periph_conf.h.
 
 
◆ pwm_config
Initial value:= {
    {
        .dev      = TIM3,
        .rcc_mask = RCC_APB1ENR_TIM3EN,
        
        .remap      = AFIO_MAPR_TIM3_REMAP_1,
        .chan     = {
 
 
                        
 
                    },
    },
}
@ GPIO_AF_OUT_PP
alternate function output - push-pull
 
 
Definition at line 271 of file periph_conf.h.
 
 
◆ stm32_usbdev_fs_config
Initial value:= {
    {
        .base_addr  = (uintptr_t)USB,
        .rcc_mask   = RCC_APB1ENR_USBEN,
        .irqn       = USB_LP_CAN1_RX0_IRQn,
    },
}
@ GPIO_AF_UNDEF
an UNDEF value definition, e.g.
 
 
USB device FS configuration. 
Definition at line 342 of file periph_conf.h.
 
 
◆ timer_config
Initial value:= {
    {
        .dev      = TIM2,
        .max      = 0x0000ffff,
        .rcc_mask = RCC_APB1ENR_TIM2EN,
        .irqn     = TIM2_IRQn
    },
    {
        .dev      = TIM3,
        .max      = 0x0000ffff,
        .rcc_mask = RCC_APB1ENR_TIM3EN,
        .irqn     = TIM3_IRQn
    },
    {
        .dev      = TIM4,
        .max      = 0x0000ffff,
        .rcc_mask = RCC_APB1ENR_TIM4EN,
        .irqn     = TIM4_IRQn
    }
}
 
Definition at line 106 of file periph_conf.h.