#include <pid.h>

#include "sys.h"

#include "delay.h"

#include "led.h"

#include "beep.h"

#include "key.h"

#include "usart.h"

#include "wdg.h"

#include "lcd.h"

#include "adc.h"

#include "mcp41050.h"

#define en_uartRx_irq 0

/************************************************

ALIENTEK战舰STM32开发板实验2

蜂鸣器实验

技术支持：www.openedv.com

淘宝店铺：http://eboard.taobao.com

关注微信公众平台微信号："正点原子"，免费获取STM32资料。

广州市星翼电子科技有限公司

作者：正点原子 @ALIENTEK

************************************************/

static int led0 = 0;

static int led1 = 0;

//进行蜂鸣器的初始化

void uart_init1(u32 bound)

{

//PA9 PA10对应UART的 RX TX

//定义对应的数据结构

GPIO_InitTypeDef GPIO_InitStructure;

USART_InitTypeDef USART_InitStructure;

NVIC_InitTypeDef NVIC_InitStructure;

//首先使能对应的模块的串口时钟

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_USART1, ENABLE);

//对对应的串口进行复位操作

USART_DeInit(USART1);

//GPIO端口模式设置 对应于stm32中文手册的 相关设置

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //TX推挽输出 PA9

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOA, &GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //RX浮空输入

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOA, &GPIO_InitStructure);

#if en_uartRx_irq

//中断设置

NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);

USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);

#endif // en_uartRx_irq

//USART结构体的初始化

USART_InitStructure.USART_BaudRate = bound;

USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;

USART_InitStructure.USART_StopBits = USART_StopBits_1;

USART_InitStructure.USART_WordLength = USART_WordLength_8b;

USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

USART_Init(USART1, &USART_InitStructure);

//使能串口

USART_Cmd(USART1, ENABLE);

}

void test_uart()

{

u8 t;

u32 length;

u32 times=0;

delay_init();

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置中断分组的优先级为2

LED_Init();

KEY_Init();

uart_init(115200);

while (1)

{

if (USART_RX_STA & 0x8000)

{

length = USART_RX_STA & 0x3ff;

printf("\r\n您发送的消息为：\r\n");

for (t = 0; t < length; t++)

{

//在uart init里面使能了中断函数将收到的数据存储在BUFF里面 接收完成标志置位

USART_SendData(USART1, USART_RX_BUF[t]);

while (USART_GetFlagStatus(USART1, USART_FLAG_TC) != SET);//直到单个数据发完，才跳出阻塞

}

printf("\r\n\r\n");

USART_RX_STA = 0;

}

else

{

times++;

if (times % 5000 == 0)

{

printf("\r\n请输入回车\r\n");

LED0 = !LED0;

delay_ms(100);

}

}

}

}

//测试按键以及蜂鸣器

void test_beep_key()

{

int key;

delay_init(); //初始化delay()系统函数的变量 使用delay函数一定要对变量进行初始化

LED_Init();

KEY_Init();

BEEP_Init();

LED0 = 0;

int i = 1;

i = !i;

while (1)

{

key = KEY_Scan(0);

led0 = LED0;

led1 = LED1;

if (key)

{

switch (key)

{

case KEY0_PRES:

LED0 = !LED0; break;

case KEY1_PRES:

LED1 = !LED1; break;

case KEY2_PRES:

LED1 = !LED1;

LED0 = !LED0; break;

case WKUP_PRES:

BEEP = !BEEP; break;

}

}

else

{

delay_ms(10);

}

}

}

//外部中断2的初始化函数

void irq_line2_init()

{

EXTI_InitTypeDef EXTI_InitStructure;

NVIC_InitTypeDef NVIC_InitStructure;

delay_init();

KEY_Init(); //按键的初始化 E 234都是上拉输入

/*为了读写这三个寄存器 我们才需要开启AFIO时钟

*1.AFIO_EVCR AFIO事件控制寄存器

*2.AFIO_MAPR AFIO重定向寄存器

*3.AFIO_EXTICRX 外部中断寄存器

**/

RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); //开启AFIO时钟 因为我们要修改外部中断寄存器

//GPIO中断线 以及中断初始化 触发方式

GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource2);

EXTI_InitStructure.EXTI_Line = EXTI_Line2;

EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;

EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;

EXTI_Init(&EXTI_InitStructure);

NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;

NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);

}

void EXTI2_IRQHandler()

{

delay_ms(10);

if (KEY2 == 0)

{

LED0 = !LED0;

EXTI_ClearITPendingBit(EXTI_Line2);

}

}

/*使用key2 来测试外部中断的可用性*/

void test_iqr()

{

LED_Init();

KEY_Init(); //按键对应端口初始化

irq_line2_init(); //初始化对应的中断函数

uart_init(115200); //串口初始化

while(1)

{

printf("ok\r\n");

delay_ms(1000);

}

}

/*测试看门狗的可用性*/

void test_watchDog()

{

/*如果没有喂狗 那么灯应该是0-0.5s 灯不亮 0.5s-1.5s灯亮 一直重复这个过程 如果不断喂狗那么灯在0.5s后应该是一直亮的*/

delay_init();

KEY_Init();

LED_Init();

delay_ms(500); //延时 营造一种led0先灭后亮的闪烁感

IWDG_Init(4,625); //看门狗定时时间大致为1s

LED0 = 0;

while (1)

{

if (KEY_Scan(0)==WKUP_PRES)

{

IWDG_Feed();

}

delay_ms(10);

}

}

/*定时器测试函数*/

void timer3_init(u32 arr, u32 psc)

{

TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;

NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);

//定时器3的初始化

TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;

TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;

TIM_TimeBaseStructure.TIM_Period = arr;

TIM_TimeBaseStructure.TIM_Prescaler = psc;

TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);

TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE); //允许更新中断

//NVIC中断优先级设置

NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;

NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;

NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);

TIM_Cmd(TIM3, ENABLE);

}

//定时器3的中断函数

void TIM3_IRQHandler()

{

if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)

{

TIM_ClearITPendingBit(TIM3, TIM_IT_Update);

LED1 = !LED1;

}

}

void test_timer3()

{

u8 ii=0;

delay_init();

LED_Init();

timer3_init(4999, 7199);

while (1)

{

LED0 = !LED0;

delay_ms(500);

for(int i=0;i<100;i++)

{

ii+=2;

if(ii==20) ii=0;

}

}

}

/*测试采样程序 使用模式是单次采样 启动方式：软件启动，（非触发模式）*/

void test_adc()

{

//adc_get_average函数中用到了一个delay_ms 所以需要初始化

delay_init();

}

void test_lcd(void)

{

u8 x=0;

u8 lcd_id[12]; //存放LCD ID字符串

delay_init(); //延时函数初始化

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级

uart_init(115200); //串口初始化为115200

LED_Init(); //LED端口初始化

LCD_Init();

POINT_COLOR=RED;

sprintf((char*)lcd_id,"LCD ID:%04X",lcddev.id);//将LCD ID打印到lcd_id数组。

while(1)

{

switch(x)

{

case 0:LCD_Clear(WHITE);break;

case 1:LCD_Clear(BLACK);break;

case 2:LCD_Clear(BLUE);break;

case 3:LCD_Clear(RED);break;

case 4:LCD_Clear(MAGENTA);break;

case 5:LCD_Clear(GREEN);break;

case 6:LCD_Clear(CYAN);break;

case 7:LCD_Clear(YELLOW);break;

case 8:LCD_Clear(BRRED);break;

case 9:LCD_Clear(GRAY);break;

case 10:LCD_Clear(LGRAY);break;

case 11:LCD_Clear(BROWN);break;

}

POINT_COLOR=RED;

LCD_ShowString(30,40,410,24,24,"WarShip STM32 ^_^ hello world heheheheh");

LCD_ShowString(30,70,200,16,16,"TFTLCD TEST");

LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");

LCD_ShowString(30,110,200,16,16,lcd_id); //显示LCD ID

LCD_ShowString(30,130,200,12,12,"2014/5/4");

x++;

if(x==12)x=0;

LED0=!LED0;

delay_ms(1000);

}

}

void show_adc_on_lcd()

{

u8 x=0;

u16 adc_result;

u8 adc_str[16];

u8 lcd_id[12]; //存放LCD ID字符串

delay_init(); //延时函数初始化

NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级

uart_init(115200); //串口初始化为115200

LED_Init(); //LED端口初始化

LCD_Init();

Adc_Init();

POINT_COLOR=RED;

sprintf((char*)lcd_id,"LCD ID:%04X",lcddev.id);//将LCD ID打印到lcd_id数组。

LCD_Clear(LGRAY);

while(1)

{

LCD_ShowString(30,40,410,24,24,"WarShip STM32 ^_^ hello world heheheheh");

LCD_ShowString(30,70,200,16,16,"TFTLCD TEST");

LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");

LCD_ShowString(30,110,200,16,16,lcd_id); //显示LCD ID

LCD_ShowString(30,130,200,12,12,"2014/5/4");

float temp=(float)Get_Adc(ADC_Channel_1)*(3.3/4096);

u16 integer=(int)temp;

u16 decimal=(int)((temp-integer)*1000);

sprintf(adc_str,"ADC input:%d.%3d",integer,decimal);

LCD_ShowString(30,150,200,16,16,adc_str);

delay_ms(1000);

}

}

void test_mcp41050()

{

delay_init();

MCP_SPI_Init();

mcp41050_set_Res(28);

delay_us(2000);

while(1);

}

int main(void)

{

// test_timer3();

test_lcd();

//show_adc_on_lcd();

test_mcp41050();

int a,b;

// add_int(a,b);

return 1;

}