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/* MAIN.C file
*
* stm32-project
*/
/***************************************************************
/ 深圳EU電子出品-版權所有-翻版必究
/ EU-熱愛嵌入式開發
***************************************************************/
//類型轉換
typedef unsigned char bool;
typedef unsigned char u8;
typedef unsigned short u16;
#define True 1
#define False 0
//SET BIT. Example: a |= SETBIT0
enum
{
SETBIT0 = 0x0001, SETBIT1 = 0x0002, SETBIT2 = 0x0004, SETBIT3 = 0x0008,
SETBIT4 = 0x0010, SETBIT5 = 0x0020, SETBIT6 = 0x0040, SETBIT7 = 0x0080,
SETBIT8 = 0x0100, SETBIT9 = 0x0200, SETBIT10 = 0x0400, SETBIT11 = 0x0800,
SETBIT12 = 0x1000, SETBIT13 = 0x2000, SETBIT14 = 0x4000, SETBIT15 = 0x8000
};
//CLR BIT. Example: a &= CLRBIT0
enum
{
CLRBIT0 = 0xFFFE, CLRBIT1 = 0xFFFD, CLRBIT2 = 0xFFFB, CLRBIT3 = 0xFFF7,
CLRBIT4 = 0xFFEF, CLRBIT5 = 0xFFDF, CLRBIT6 = 0xFFBF, CLRBIT7 = 0xFF7F,
CLRBIT8 = 0xFEFF, CLRBIT9 = 0xFDFF, CLRBIT10 = 0xFBFF, CLRBIT11 = 0xF7FF,
CLRBIT12 = 0xEFFF, CLRBIT13 = 0xDFFF, CLRBIT14 = 0xBFFF, CLRBIT15 = 0x7FFF
};
//CHOSE BIT. Example: a = b&CHSBIT0
enum
{
CHSBIT0 = 0x0001, CHSBIT1 = 0x0002, CHSBIT2 = 0x0004, CHSBIT3 = 0x0008,
CHSBIT4 = 0x0010, CHSBIT5 = 0x0020, CHSBIT6 = 0x0040, CHSBIT7 = 0x0080,
CHSBIT8 = 0x0100, CHSBIT9 = 0x0200, CHSBIT10 = 0x0400, CHSBIT11 = 0x0800,
CHSBIT12 = 0x1000, CHSBIT13 = 0x2000, CHSBIT14 = 0x4000, CHSBIT15 = 0x8000
};
/* INCLUDES */
//MCU
#include "stm32f10x_rcc.h"
#include "stm32f10x_gpio.h"
#include "stm32f10x_tim.h"
#include "util.h"
#include "uart1.h"
#include <stdio.h>
#include <string.h>
#if 0
#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* e.g. write a character to the USART */
USART_SendData(USART1, (uint8_t) ch);
/* Loop until the end of transmission */
while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
{}
return ch;
}
#endif
//設置PB10狀態 STM32-MINI開發板的LED管腳
void SetPB10(bool sta)
{
static bool StartFlag = True;
if(StartFlag)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
StartFlag = False;
}
if(!sta)
GPIO_SetBits(GPIOB, GPIO_Pin_10);
else
GPIO_ResetBits(GPIOB, GPIO_Pin_10);
}
//定時器配置并開啟使用定時器3
void TimeON(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
//開啟定時器外設時鐘
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
//配置定時器參數
TIM_DeInit(TIM3);
TIM_TimeBaseStructure.TIM_Period = 10000; //10ms定時
TIM_TimeBaseStructure.TIM_Prescaler = (72000000/1000000 - 1);
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
//中斷配置
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; //搶占優先級2 低優先級別中斷
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; //響應優先級0 高級別的響應中斷
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//開中斷
TIM_ClearFlag(TIM3, TIM_FLAG_Update);
TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
//開啟定時器
TIM_Cmd(TIM3, ENABLE);
}
u32 led_time = 240;
//定時器中斷處理從stm32f10x_it.c添加
void Time_IntHandle(void)
{
//清中斷標識
TIM_ClearFlag(TIM3, TIM_FLAG_Update);
//---------------- 中斷處理 ---------------------
{
static u8 Num = 0;
if(++Num == led_time) //zlz modify 30->240
{
//----------- 0.3s事務閃爍LED -----------
static bool Temp = False;
Temp = !Temp;
ledon = !ledon;
//SetPB10(Temp);
//--------------------------------------
Num = 0;
//USART_ITConfig(USART1, USART_IT_TXE, DISABLE);
}
}
}
/*-------------------------------------------------------------------------------------------------------
* 程序從這里執行
* 本程序通過定時器閃爍STM32-MINI開發板LED 請保持LS1跳線帽處于連接狀態
-------------------------------------------------------------------------------------------------------*/
int main(void)
{
u32 test;
u8 RxCounter, TxCounter, i;
u8 RxBuffer[32], TxBuffer[32];
//--------------------------- CLK INIT, HSE PLL ----------------------------
ErrorStatus HSEStartUpStatus;
//RCC reset
RCC_DeInit();
//開啟外部時鐘并執行初始化
RCC_HSEConfig(RCC_HSE_ON);
//等待外部時鐘準備好
HSEStartUpStatus = RCC_WaitForHSEStartUp();
//啟動失敗在這里等待
while(HSEStartUpStatus == ERROR);
//設置內部總線時鐘
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div1);
RCC_PCLK2Config(RCC_HCLK_Div1);
//外部時鐘為8M 這里倍頻到72M
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
RCC_PLLCmd(ENABLE);
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while(RCC_GetSYSCLKSource() != 0x08);
//----------------------------- CLOSE HSI ---------------------------
//關閉內部時鐘HSI
RCC_HSICmd(DISABLE);
//開PB口時鐘
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
//中斷配置 2-level interrupt
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
//開總中斷
__enable_irq();
//開定時器
TimeON();
for(i=0; i<UART1_N_TX; ++i)
{
//TxBuffer1[i] = 0x18 + i;
}
Uart1_Cfg();
ledon = 1;
//printf("line %d, %s\n", __LINE__, __func__);
//等待中斷
while(1)
{
if( rx4pc1 )
{
rx4pc1 = 0;
memcpy(TxBuffer1, RxBuffer1, UART1_N_RX);
USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
if( (RxBuffer1[18] == 0x55) && (RxBuffer1[19] == 0x1a) )
{
SetPB10(1);
}
else if( (RxBuffer1[0] == 0x56) && (RxBuffer1[1] == 0x1a) )
{
SetPB10(0);
}
memset(RxBuffer1, 0, sizeof(RxBuffer1));
}
//SetPB10(ledon);
}
}

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