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Changes to Software part

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This commit is contained in:
Andreas Mieke 2018-04-02 15:20:43 +02:00
parent d11382ed9f
commit d109bae8d7
15 changed files with 101 additions and 128 deletions
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39
Mieke/Tutorial/Listings/example1.c
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@ -1,20 +1,27 @@
#include "stm32f10x.h"
void init_leds_switches(void) {
RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
GPIOB->CRH &= 0x00000000;
GPIOB->CRH |= 0x00000003;
}
#include "stm32f10x.h" // Device header
#include "stm32f10x_gpio.h" // Keil::Device:StdPeriph Drivers:GPIO
#include "stm32f10x_rcc.h" // Keil::Device:StdPeriph Drivers:RCC
int main()
{
int i;
init_leds_switches();
for (;;) {
GPIOB->ODR = 0x01FF & ~(GPIOB->ODR & 0x01FF);
for (i=0; i < 65535; i++);
for (i=0; i < 65535; i++);
for (i=0; i < 65535; i++);
}
uint8_t data;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitTypeDef gpio;
GPIO_StructInit(&gpio);
gpio.GPIO_Mode = GPIO_Mode_Out_PP;
gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;
GPIO_Init(GPIOC, &gpio);
gpio.GPIO_Mode = GPIO_Mode_IPU;
gpio.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8;
GPIO_Init(GPIOA, &gpio);
for(;;) {
data = (GPIO_ReadInputData(GPIOA) & 0x000F) | ((GPIO_ReadInputData(GPIOA) & 0x01E0) >> 1);
GPIO_Write(GPIOC, ((data & 0xE0) << 2) | ((data & 0x1F) << 1));
}
}