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          EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > PIC單片機多路開關(guān)程序

          PIC單片機多路開關(guān)程序

          作者: 時間:2016-11-30 來源:網(wǎng)絡(luò) 收藏
          程序介紹:使用同一個IO口進行設(shè)置,高字節(jié)為按鍵,低字節(jié)為燈,流程中嵌入關(guān)系式變化:

          FCV_COUNT = FCV_COUNT>>4;
          FCV_COUNT = FCV_COUNT & 0x0f;

          //** Date: Wednesday, November 21, 2012 20:50:00
          //本程序版權(quán)所有: 51hei.com
          #define MX_PIC
          //Defines for microcontroller
          #define P16F690
          #define MX_EE
          #define MX_EE_SIZE 256
          #define MX_SPI
          #define MX_SPI_BCB
          #define MX_SPI_SDI 4
          #define MX_SPI_SDO 7
          #define MX_SPI_SCK 6
          #define MX_UART
          #define MX_UART_B
          #define MX_UART_TX 7
          #define MX_UART_RX 5
          #define MX_I2C
          #define MX_MI2C
          #define MX_I2C_B
          #define MX_I2C_SDA 4
          #define MX_I2C_SCL 6
          #define MX_PWM
          #define MX_PWM_CNT 1
          #define MX_PWM_TRIS1 trisc
          #define MX_PWM_1 5

          本文引用地址:http://www.ex-cimer.com/article/201611/323979.htm

          //Functions
          #define MX_CLK_SPEED 19660800
          #ifdef _BOOSTC
          #include
          #endif
          #ifdef HI_TECH_C
          #include
          #endif
          //Configurationdata
          //Internal functions
          #include "F:Program FilesMatrix MultimediaFlowcode V4FCDinternals.h"
          //Macro function declarations

          //Variable declarations
          char FCV_COUNT;
          //Macro implementations
          void main()
          {

          //Initialisation
          ansel = 0;
          anselh = 0;

          //Interrupt initialisation code
          option_reg = 0xC0;

          //Loop
          //Loop: While 1
          while (1)
          {
          //Input
          //Input: PORT C -> count
          trisc = trisc | 0xff;
          FCV_COUNT = portc;

          //Calculation
          //Calculation:
          // count = count>>4
          // count = count AND 0x0f
          FCV_COUNT = FCV_COUNT>>4;
          FCV_COUNT = FCV_COUNT & 0x0f;
          //Output
          //Output: count -> PORT C
          trisc = 0x00;
          portc = FCV_COUNT;

          }

          mainendloop: goto mainendloop;
          }
          void MX_INTERRUPT_MACRO(void)
          {
          }


          關(guān)鍵詞: PIC單片機多路開

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