max32630
Dependencies: OLED USBDevice max32630fthr
Fork of FTHR_OLED by
main.cpp
- Committer:
- feilang
- Date:
- 2017-09-27
- Revision:
- 11:bf8283c27606
- Parent:
- 10:1f5e78dd4a7c
- Child:
- 12:53ca22948a98
File content as of revision 11:bf8283c27606:
#include "mbed.h" #include "max32630fthr.h" #include "Adafruit_SSD1306.h" #include "USBSerial.h" MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3); I2C oledI2C(P3_4, P3_5); // SDA, SCL // Hardware serial port over DAPLink Serial daplink(P2_1, P2_0); // serial port for pm1003 Serial pmSerial(P3_1, P3_0); //for 595 drive LED bar DigitalOut ledbarClk(P5_3); DigitalOut ledbardat(P5_4); DigitalOut ledbarlatch(P5_5); void shirftDate(unsigned int date); int airBufferPrcess(unsigned int a,unsigned int b); /* Analog inputs 0 and 1 have internal dividers to allow measuring 5V signals * The dividers are selected by using inputs AIN_5 and AIN_5 respectively. * The full scale range for AIN0-3 is 1.2V * The full scale range for AIN4-5 is 6.0V */ AnalogIn fireAir(AIN_4); AnalogIn alcohol(AIN_5); // main() runs in its own thread in the OS // (note the calls to Thread::wait below for delays) int main() { char incomeByte[32]; unsigned int pm25; unsigned int pm1; unsigned int pm10; unsigned int airDisplayDate; daplink.printf("start \r\n"); pmSerial.baud(9600); Thread::wait(50); // Give the supplies time to settle before initializing the display Adafruit_SSD1306_I2c OLED(oledI2C); //OLED.printf("%ux%u OLED Display\r\n", OLED.width(), OLED.height()); //OLED.printf("HelloWorld \r"); //OLED.display(); daplink.printf("OLED init over \r\n"); while(1) { Thread::wait(250); while(pmSerial.getc() !=0x42){} if(pmSerial.getc() == 0x4d){ for(int i = 2; i < 32; i++){ incomeByte[i] = pmSerial.getc(); } unsigned int calcsum = 0; incomeByte[0] = 0x42; incomeByte[1] = 0x4d; unsigned int exptsum = (incomeByte[30]<<8) + incomeByte[31]; for(int i = 0; i < 30; i++){ calcsum += incomeByte[i]; daplink.printf("income[%d],%d\n",i,incomeByte[i]); } if( calcsum == exptsum) { daplink.printf("check ok \n"); pm1 = incomeByte[10] + incomeByte[11]; pm25 = incomeByte[12] + incomeByte[13]; pm10 = incomeByte[14] + incomeByte[15]; daplink.printf("pm1:%d\n",pm1); daplink.printf("pm2.5:%d\n",pm25); daplink.printf("pm10:%d\n",pm10); } } Thread::wait(10); OLED.clearDisplay(); OLED.setTextCursor(0,0); OLED.printf("MAX32630FTHR OLED\n"); OLED.printf("fireAir: %1.2f\n", (6.0f * fireAir) ); // fireAir inputs 4 OLED.printf("alcohol: %1.2f\n", (1.2f * alcohol) ); // alcohol inputs 5 OLED.printf("PM2.5: %d \n", pm25 ); // alcohol inputs 5 OLED.display(); airDisplayDate = airBufferPrcess( fireAir, alcohol ); shirftDate(airDisplayDate); while((pm25 > 100)||(fireAir > 0x08)||(alcohol > 0x08)){ OLED.clearDisplay(); Thread::wait(500); OLED.printf("ERROR"); OLED.display(); Thread::wait(500); } } } /*传入LB数据,共24位取低位24*/ /*低20位用于两个LED bar*/ void shirftDate(unsigned int date){ for( int i = 0; i < 20; i++ ){ if( date & 0x200 ){ ledbardat = 1; }else{ ledbardat = 0; } ledbarClk = 1; ledbarClk = 0; date <<= 1; } /*补充4位空白*/ for(int i=4;i>0;i--){ ledbardat = 0; ledbarClk = 1; ledbarClk = 0; } ledbarlatch = 1; } //空气模拟数据处理,a,b分别表示 CO与acohol; //采用对数级浓度增加对应一位, int airBufferPrcess(unsigned int a,unsigned int b) { unsigned int _ProcessDate[3]={1,1,0}; for(int i=0;i<10;i++){ a >>= 1; b >>= 1; if(a){ _ProcessDate[0] <<= 1; _ProcessDate[0]++; } if(b){ _ProcessDate[1] <<= 1; _ProcessDate[1]++; } _ProcessDate[2] = ( _ProcessDate[0] << 10); _ProcessDate[2] += _ProcessDate[1]; } return _ProcessDate[2]; }