Posted on December 06, 2012 at 20:43hi every body
i have problem with pb3 pb4 and some other pins
when i remap it in program have no response on simulator
my programmer is j-link & when i program via jtag
i want to use pb3 in gpio mode but doesn't work correctly
#include ''stm32f10x.h''
#include ''lcd4bit.h''
#include ''RCC_init.h''
//////////////////////////////////////////////////////////
//void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState);
extern void RCCPreInit();
int main(void)
{ unsigned int i=0;
unsigned int s=0;
unsigned int A=100;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig( GPIO_Remap_SWJ_Disable, DISABLE);/*!< Full SWJ Disabled (JTAG-DP + SW-DP) */
RCCPreInit();
RCC_INIT();
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7
|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13
|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_Init(GPIOA, &GPIO_InitStructure);
while(1)
{
GPIOA->ODR=0x0000;
GPIOB->ODR=0x0000;
for(i=0;i<350000;i++){} //delay
GPIOB->ODR=0xffff;
GPIOA->ODR=0xffff;
for(i=0;i<350000;i++){} //delay
}
}
