資源簡介
STM32F207 串口例子
串口1,2為DMA發送與接收
串口3,4沒有使用DMA。
工程為KEILC。4個串口發送接收都在硬件板是測試過的。
需要注意的是我的硬件板的晶振是25M,如果你的晶振不一樣,需要在system_stm32f2xx.c 文件中修改
#ifndef RMII_MODE
/* System clock frequency configured for 120 MHz ****************************/
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N */
#define PLL_M 25

代碼片段和文件信息
/**************************************************************************//**
?*?@file?????core_cm3.c
?*?@brief????CMSIS?Cortex-M3?Core?Peripheral?Access?layer?Source?File
?*?@version??V1.30
?*?@date?????30.?October?2009
?*
?*?@note
?*?Copyright?(C)?2009?ARM?Limited.?All?rights?reserved.
?*
?*?@par
?*?ARM?Limited?(ARM)?is?supplying?this?software?for?use?with?Cortex-M?
?*?processor?based?microcontrollers.??This?file?can?be?freely?distributed?
?*?within?development?tools?that?are?supporting?such?ARM?based?processors.?
?*
?*?@par
?*?THIS?SOFTWARE?IS?PROVIDED?“AS?IS“.??NO?WARRANTIES?WHETHER?EXPRESS?IMPLIED
?*?OR?STATUTORY?INCLUDING?BUT?NOT?LIMITED?TO?IMPLIED?WARRANTIES?OF
?*?MERCHANTABILITY?AND?FITNESS?FOR?A?PARTICULAR?PURPOSE?APPLY?TO?THIS?SOFTWARE.
?*?ARM?SHALL?NOT?IN?ANY?CIRCUMSTANCES?BE?LIABLE?FOR?SPECIAL?INCIDENTAL?OR
?*?CONSEQUENTIAL?DAMAGES?FOR?ANY?REASON?WHATSOEVER.
?*
?******************************************************************************/
#include?
/*?define?compiler?specific?symbols?*/
#if?defined?(?__CC_ARM???)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????__inline???????????????????????????????????/*!
#elif?defined?(?__ICCARM__?)
??#define?__ASM???????????__asm???????????????????????????????????????/*!??#define?__INLINE????????inline??????????????????????????????????????/*!
#elif?defined???(??__GNUC__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#elif?defined???(??__TASKING__??)
??#define?__ASM????????????__asm??????????????????????????????????????/*!??#define?__INLINE?????????inline?????????????????????????????????????/*!
#endif
/*?###################??Compiler?specific?Intrinsics??###########################?*/
#if?defined?(?__CC_ARM???)?/*------------------RealView?Compiler?-----------------*/
/*?ARM?armcc?specific?functions?*/
/**
?*?@brief??Return?the?Process?Stack?Pointer
?*
?*?@return?ProcessStackPointer
?*
?*?Return?the?actual?process?stack?pointer
?*/
__ASM?uint32_t?__get_PSP(void)
{
??mrs?r0?psp
??bx?lr
}
/**
?*?@brief??Set?the?Process?Stack?Pointer
?*
?*?@param??topOfProcStack??Process?Stack?Pointer
?*
?*?Assign?the?value?ProcessStackPointer?to?the?MSP?
?*?(process?stack?pointer)?Cortex?processor?register
?*/
__ASM?void?__set_PSP(uint32_t?topOfProcStack)
{
??msr?psp?r0
??bx?lr
}
/**
?*?@brief??Return?the?Main?Stack?Pointer
?*
?*?@return?Main?Stack?Pointer
?*
?*?Return?the?curren
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????6788??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\misc.h
?????文件??????32413??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_adc.h
?????文件??????27182??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_can.h
?????文件???????3597??2011-11-27?02:40??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_conf.h
?????文件???????2280??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_crc.h
?????文件??????12524??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_cryp.h
?????文件??????14810??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_dac.h
?????文件???????4160??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_dbgmcu.h
?????文件??????12841??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_dcmi.h
?????文件??????28746??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_dma.h
?????文件???????7876??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_exti.h
?????文件??????14459??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_flash.h
?????文件??????27040??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_fsmc.h
?????文件??????17476??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_gpio.h
?????文件???????8948??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_hash.h
?????文件??????31452??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_i2c.h
?????文件???????2047??2011-11-27?02:40??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_it.h
?????文件???????4187??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_iwdg.h
?????文件???????5364??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_pwr.h
?????文件??????24673??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_rcc.h
?????文件???????3822??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_rng.h
?????文件??????25396??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_rtc.h
?????文件??????22641??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_sdio.h
?????文件??????19848??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_spi.h
?????文件???????7092??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_syscfg.h
?????文件??????51553??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_tim.h
?????文件??????17248??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_usart.h
?????文件???????3406??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\inc\stm32f2xx_wwdg.h
?????文件??????11307??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\src\misc.c
?????文件??????68269??2011-11-27?02:41??STM32F2xx_StdPeriph_Driver\src\stm32f2xx_adc.c
............此處省略71個文件信息
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