今天捣鼓了一下AD,采样光敏电阻,用HT1621显示采样值。
代码:
- #include "SC_Init.h" //MCU Init header,Include all IC resource headers
- #include "SC_it.h"
- #include "..\Drivers\SCDriver_list.h"
- #include "HeadFiles\SysFunVarDefine.h"
- /**************************************Generated by EasyCodeCube*************************************/
- uint16_t temp;
- #define Smg_a 0x80
- #define Smg_b 0x40
- #define Smg_c 0x20
- #define Smg_d 0x01
- #define Smg_e 0x02
- #define Smg_f 0x08
- #define Smg_g 0x04
- #define Smg_dp 0x10
- #define Bmp0Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f
- #define Bmp1Map Smg_b | Smg_c
- #define Bmp2Map Smg_a | Smg_b | Smg_d | Smg_e | Smg_g
- #define Bmp3Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_g
- #define Bmp4Map Smg_b | Smg_c | Smg_f | Smg_g
- #define Bmp5Map Smg_a | Smg_c | Smg_d | Smg_f | Smg_g
- #define Bmp6Map Smg_a | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define Bmp8Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define Bmp9Map Smg_a | Smg_b | Smg_c | Smg_d | Smg_f | Smg_g
- #define Bmp7Map Smg_a | Smg_b | Smg_c
- #define BmpAMap Smg_a | Smg_b | Smg_c | Smg_e | Smg_f | Smg_g
- #define BmpBMap Smg_c | Smg_d | Smg_e | Smg_f | Smg_g
- #define BmpCMap Smg_a | Smg_d | Smg_e | Smg_f
- #define BmpDMap Smg_b | Smg_c | Smg_d | Smg_e | Smg_g
- #define BmpEMap Smg_a | Smg_d | Smg_e | Smg_f | Smg_g
- #define BmpFMap Smg_a | Smg_e | Smg_f | Smg_g
- #define CS_0 GPIO_WriteLow(GPIO2, GPIO_PIN_7)
- #define CS_1 GPIO_WriteHigh(GPIO2, GPIO_PIN_7)
- #define WR_0 GPIO_WriteLow(GPIO0, GPIO_PIN_0)
- #define WR_1 GPIO_WriteHigh(GPIO0, GPIO_PIN_0)
- #define DA_0 GPIO_WriteLow(GPIO0, GPIO_PIN_1)
- #define DA_1 GPIO_WriteHigh(GPIO0, GPIO_PIN_1)
- const unsigned char SegCode[] = {Bmp0Map,Bmp1Map,Bmp2Map,Bmp3Map,Bmp4Map,Bmp5Map,Bmp6Map,Bmp7Map,Bmp8Map,Bmp9Map,BmpAMap,BmpBMap,BmpCMap,BmpDMap,BmpEMap,BmpFMap};
- unsigned char DpyNum[6] = {Smg_g,Smg_g,Smg_g,Smg_g,Smg_g,Smg_g}; //显示缓冲区
- unsigned int i;
- void COMMAND_HT1621(unsigned char comm)
- {
- unsigned char i;
- CS_0;
-
- WR_0;
- for(i=0;i<3;i++) //写命令
- {
- if((0x04<<i)&0x04) DA_1; //100
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<9;i++) //写命令数据
- {
- if((comm<<i)&0x80) DA_1; //100
- else DA_0;
- WR_0;
- WR_1;
- }
- CS_1;
-
- }
- void HT1621_Display(void)
- {
- unsigned char i;
- CS_0; //片选CS
- WR_0;
- for(i=0;i<3;i++) //写命令
- {
- if((0x05<<i)&0x04) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<6;i++) //写地址
- {
- if((20<<i)&0x20) DA_1; //20对应 SEG地址
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[5]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[4]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[3]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[2]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[1]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- for(i=0;i<8;i++) //写数据
- {
- if((DpyNum[0]<<i)&0x80) DA_1;
- else DA_0;
- WR_0;
- WR_1;
- }
- CS_1; //释放CS
- }
- void LCD_Init(void)
- {
- COMMAND_HT1621(0x01); //SYS EN
- COMMAND_HT1621(0x03); //LCD ON
- COMMAND_HT1621(0x29); //4 COM 1/3 BIAS
- HT1621_Display(); //clear screen
- }
- /*************************************.Generated by EasyCodeCube.************************************/
- /*****************************************************************************************************
- * Function Name: main
- * Description : This function implements main function.
- * Arguments : None
- * Return Value : None
- ******************************************************************************************************/
- void main(void)
- {
- uint16_t qian,bai,shi,ge;
- long int i;
- /*<Generated by EasyCodeCube begin>*/
- /*<UserCodeStart>*//*<SinOne-Tag><3>*/
- SC_Init(); /*** MCU init***/
- /*<UserCodeEnd>*//*<SinOne-Tag><3>*/
- /*<UserCodeStart>*//*<SinOne-Tag><4>*/
- /*****MainLoop*****/
- LCD_Init();
- DpyNum[0] = Smg_a|Smg_d|Smg_g; //"三"
- DpyNum[1] = SegCode[0];
- DpyNum[2] = SegCode[0];
- DpyNum[3] = SegCode[0];
- DpyNum[4] = SegCode[0];
- DpyNum[5] = SegCode[0];
- HT1621_Display();
-
- while(1)
- {
- /*<UserCodeStart>*//*<SinOne-Tag><5>*/
- /*****User program*****/
- /*<UserCodeEnd>*//*<SinOne-Tag><5>*/
- /*<Begin-Inserted by EasyCodeCube for Condition>*/
- ADC_StartConversion();
- while((ADCCON&0x20)==0);
- temp=ADC_GetConversionValue();
- qian=temp/1000;
- bai=temp%1000/100;
- shi=temp%100/10;
- ge=temp%10;
- DpyNum[2] = SegCode[qian];
- DpyNum[3] = SegCode[bai];
- DpyNum[4] = SegCode[shi];
- DpyNum[5] = SegCode[ge];
- HT1621_Display();
- for(i=0;i<500000;i++);
- }
- /*<UserCodeEnd>*//*<SinOne-Tag><4>*/
- /*<Generated by EasyCodeCube end>*/
- }
初始化代码:
- /*****************************************************
- *函数名称: SC_Init
- *函数功能: MCU初始化函数
- *入口参数:void
- *出口参数:void
- *****************************************************/
- void SC_Init(void)
- {
- SC_GPIO_Init();
- SC_OPTION_Init();
- SC_ADC_Init();
- /*write initial function here*/
- EA = 1;
- }
- /*****************************************************
- *函数名称: SC_GPIO_Init
- *函数功能: GPIO初始化函数
- *入口参数:void
- *出口参数:void
- *****************************************************/
- void SC_GPIO_Init(void)
- {
- /*GPIO_Init write here*/
- GPIO_Init(GPIO2, GPIO_PIN_7,GPIO_MODE_OUT_PP);
- GPIO_Init(GPIO0, GPIO_PIN_0,GPIO_MODE_OUT_PP);
- GPIO_Init(GPIO0, GPIO_PIN_1,GPIO_MODE_OUT_PP);
- }
- /*****************************************************
- *函数名称: SC_ADC_Init
- *函数功能: ADC初始化函数
- *入口参数:void
- *出口参数:void
- *****************************************************/
- void SC_ADC_Init(void)
- {
- ADC_Init(ADC_PRESSEL_3CLOCK,ADC_Cycle_Null);
- /*AIN0口模式设置*/ADC_EAINConfig(ADC_EAIN_0,ENABLE);
- ADC_ChannelConfig(ADC_CHANNEL_0,ENABLE);
- ADC_VrefConfig(ADC_VREF_VDD);
- ADC_ITConfig(ENABLE,LOW);
- ADC_Cmd(ENABLE);
- /*ADC_Init write here*/
- }
效果图:
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