資源簡介
STM32用SPI與74HC595通訊,串行數據轉并行,可應用為O口拓展,或者是驅動多個LED數碼管

代碼片段和文件信息
#include?“stm32f10x.h“
#include?“platform_config.h“
/*?Private?typedef?-----------------------------------------------------------*/
/*?Private?define?------------------------------------------------------------*/
/*?Private?macro?-------------------------------------------------------------*/
/*?Private?variables?---------------------------------------------------------*/
//uint8_t PWMValues[40];
uint16_t PrescalerValue=0;
uint8_t Led_Counter=0;
uint8_t Led_Value=0xFF;
uint16_t? CCR1_Val?=?1;
/*?Private?functions?---------------------------------------------------------*/
void?RCC_Configuration(void);
void?GPIO_Configuration(void);
void?NVIC_Configuration(void);
void?TIM_Configuration(void);
void?SPI_Configuration(void);
void?Delay(__IO?uint32_t);
/**
??*?@brief??Main?program
??*?@param??None
??*?@retval?None
??*/
int?main(void)
{
??/*!???????this?is?done?through?SystemInit()?function?which?is?called?from?startup
???????file?(startup_stm32f10x_xx.s)?before?to?branch?to?application?main.
???????To?reconfigure?the?default?setting?of?SystemInit()?function?refer?to
???????system_stm32f10x.c?file
?????*/?????
???????
??/*?System?clocks?configuration?---------------------------------------------*/
??RCC_Configuration();
??/*?NVIC?configuration?------------------------------------------------------*/
??NVIC_Configuration();
??/*?GPIO?configuration?------------------------------------------------------*/
??GPIO_Configuration();
/*?SPI?configuration?------------------------------------------------------*/
SPI_Configuration();
/*?TIM?configuration?------------------------------------------------------*/
TIM_Configuration();
??while(1)
{
if(Led_Value==0)?Led_Value=0xff;
else?Led_Value?<<=1;
Delay(5000000);
}
}
/**
??*?@brief??Configures?the?different?system?clocks.
??*?@param??None
??*?@retval?None
??*/
void?RCC_Configuration(void)
{
/*?Enable?peripheral?clocks?--------------------------------------------------*/
/*?SPI?GPIO?and?AFIO?clock?enable?*/
??RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB?|?RCC_APB2Periph_AFIO??ENABLE);
/*?Enable?SPI?clock?for?74HC595?shift?registers?*/
??RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI3??ENABLE);
/*?TIM2?clock?enable?*/
??RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2?ENABLE);
}
/**
??*?@brief??Configures?the?different?GPIO?ports.
??*?@param??None
??*?@retval?None
??*/
void?GPIO_Configuration(void)
{
??GPIO_InitTypeDef?GPIO_InitStructure;
/*?Disable?the?Serial?Wire?Jtag?Debug?Port?SWJ-DP?*/
GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable?ENABLE);
??/*?Configure?SPI_MASTER?pins:?SCK?and?MOSI?---------------------------------*/
??/*?Configure?SCK?and?MOSI?pins?as?Alternate?Function?Push?Pull?*/
GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_3?|?GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
??GPIO_InitStru
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????7444??2014-05-15?18:21??Project\main.c
?????文件???????2309??2014-05-14?19:39??Project\platform_config.h
?????文件??????77269??2014-05-15?18:24??Project\RVMDK\List\SPI_74HC595.map
?????文件??????65291??2014-05-15?16:38??Project\RVMDK\List\startup_stm32f10x_hd.lst
?????文件???????3557??2014-05-15?16:38??Project\RVMDK\Obj\core_cm3.crf
?????文件????????115??2014-05-15?16:38??Project\RVMDK\Obj\core_cm3.d
?????文件??????10488??2014-05-15?16:38??Project\RVMDK\Obj\core_cm3.o
?????文件?????350123??2014-05-15?18:21??Project\RVMDK\Obj\main.crf
?????文件???????2196??2014-05-15?18:21??Project\RVMDK\Obj\main.d
?????文件?????384284??2014-05-15?18:21??Project\RVMDK\Obj\main.o
?????文件?????349179??2014-05-15?16:38??Project\RVMDK\Obj\misc.crf
?????文件???????2269??2014-05-15?16:38??Project\RVMDK\Obj\misc.d
?????文件?????381580??2014-05-15?16:38??Project\RVMDK\Obj\misc.o
?????文件?????388924??2014-05-15?18:24??Project\RVMDK\Obj\SPI_74HC595.axf
?????文件??????23001??2014-05-15?18:24??Project\RVMDK\Obj\SPI_74HC595.hex
?????文件??????69724??2014-05-15?18:24??Project\RVMDK\Obj\SPI_74HC595.htm
?????文件????????479??2014-05-15?18:24??Project\RVMDK\Obj\SPI_74HC595.lnp
?????文件????????188??2014-05-16?18:44??Project\RVMDK\Obj\SPI_74HC595.plg
?????文件????????479??2014-04-05?08:06??Project\RVMDK\Obj\SPI_74HC595.sct
?????文件???????1628??2014-05-15?18:24??Project\RVMDK\Obj\SPI_74HC595.tra
?????文件????????117??2014-05-15?16:38??Project\RVMDK\Obj\startup_stm32f10x_hd.d
?????文件???????6896??2014-05-15?16:38??Project\RVMDK\Obj\startup_stm32f10x_hd.o
?????文件?????352677??2014-05-15?16:38??Project\RVMDK\Obj\stm32f10x_gpio.crf
?????文件???????2599??2014-05-15?16:38??Project\RVMDK\Obj\stm32f10x_gpio.d
?????文件?????388024??2014-05-15?16:38??Project\RVMDK\Obj\stm32f10x_gpio.o
?????文件?????352016??2014-05-15?18:24??Project\RVMDK\Obj\stm32f10x_it.crf
?????文件???????2493??2014-05-15?18:24??Project\RVMDK\Obj\stm32f10x_it.d
?????文件?????394396??2014-05-15?18:24??Project\RVMDK\Obj\stm32f10x_it.o
?????文件????????425??2014-05-15?18:24??Project\RVMDK\Obj\stm32f10x_it.__i
?????文件?????356252??2014-05-15?16:38??Project\RVMDK\Obj\stm32f10x_rcc.crf
............此處省略30個文件信息
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