Page 721 - 완) I MDP 프로젝트 작품 보고서(전체과 1학년)1.6

if(USART_GetITStatus(USART2, USART_IT_RXNE) !=RESET)
{
Usart2_rfid();
USART_ClearITPendingBit(USART2, USART_IT_RXNE);
}
}

uint16_t USART1_ReceiveData()
{
while (!(USART1->SR & USART_FLAG_RXNE)); //받을준비완료=0일시 교착
return (uint16_t)(USART1->DR & (uint16_t)0x01FF);
//받을준비완료=1이면 이 항목으로 내려와 DR값을 리턴함.
}

uint16_t USART2_ReceiveData()
{
while (!(USART2->SR & USART_FLAG_RXNE));
return (uint16_t)(USART2->DR & (uint16_t)0x01FF);
}

3)GLCD.c
#include "stm32f10x.h"
#include "GLCD.h"
#include "font.h"

unsigned int text;
unsigned int back;
unsigned short DeviceCode;

void GLCD_init (void)
{
/* Enable clock for GPIOA,B,C,D,E AFIO and SPI3. */
RCC->APB2ENR |= 0x0000007D;

/* NCS is PB2, GPIO output set to high. */
GPIOE->CRL = 0x33333333; //
GPIOE->CRH = 0x33333333;

GPIOD->CRH &= 0x0000ffff; //PD12,PD13,14,15
GPIOD->CRH |= 0x33330000;

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