Diff: main.cpp

Revision:

11:bf8283c27606

Parent:

10:1f5e78dd4a7c

Child:

12:53ca22948a98

--- a/main.cpp	Wed Feb 08 00:50:27 2017 +0000
+++ b/main.cpp	Wed Sep 27 04:41:40 2017 +0000
@@ -1,35 +1,3 @@
-/**********************************************************************
-* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a
-* copy of this software and associated documentation files (the "Software"),
-* to deal in the Software without restriction, including without limitation
-* the rights to use, copy, modify, merge, publish, distribute, sublicense,
-* and/or sell copies of the Software, and to permit persons to whom the
-* Software is furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included
-* in all copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
-* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-* OTHER DEALINGS IN THE SOFTWARE.
-*
-* Except as contained in this notice, the name of Maxim Integrated
-* Products, Inc. shall not be used except as stated in the Maxim Integrated
-* Products, Inc. Branding Policy.
-*
-* The mere transfer of this software does not imply any licenses
-* of trade secrets, proprietary technology, copyrights, patents,
-* trademarks, maskwork rights, or any other form of intellectual
-* property whatsoever. Maxim Integrated Products, Inc. retains all
-* ownership rights.
-**********************************************************************/
-
 #include "mbed.h"
 #include "max32630fthr.h"
 #include "Adafruit_SSD1306.h"
@@ -37,77 +5,153 @@
 
 MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
 
-I2C i2c(P3_4, P3_5); // SDA, SCL
+I2C oledI2C(P3_4, P3_5); // SDA, SCL
 
 // Hardware serial port over DAPLink
 Serial daplink(P2_1, P2_0);
 
-// Virtual serial port over USB
-USBSerial microUSB;
-
-DigitalOut rLED(LED1);
-DigitalOut gLED(LED2);
-DigitalOut bLED(LED3);
-
-DigitalIn aButton(P5_3, PullUp);
-DigitalIn bButton(P3_3, PullUp);
-DigitalIn cButton(P3_2, PullUp);
+// 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 ain0(AIN_4); 
-AnalogIn ain1(AIN_5); 
-AnalogIn ain2(AIN_2); 
-AnalogIn ain3(AIN_3);
-
+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()
 {
-    int c;
-    c = ' ';
+    char incomeByte[32];
+    unsigned int pm25;
+    unsigned int pm1;
+    unsigned int pm10;
 
-    daplink.printf("daplink serial port\r\n");
-    microUSB.printf("micro USB serial port\r\n");
-    rLED = LED_ON;
-    gLED = LED_ON;
-    bLED = LED_OFF;
+    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 featherOLED(i2c);  
-    featherOLED.printf("%ux%u OLED Display\r\n", featherOLED.width(), featherOLED.height());
-    featherOLED.printf("HelloWorld \r");
-    featherOLED.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);
-        if (microUSB.readable()) {
-            c = microUSB.getc();
-            microUSB.putc(c);
-            daplink.putc(c);
-        }
-        if (daplink.readable()) {
-            c = daplink.getc();
-            microUSB.putc(c);
-            daplink.putc(c);
+        
+        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);
+
+                }
+        
         }
-        rLED = aButton;
-        gLED = bButton;
-        bLED = cButton;
-        featherOLED.clearDisplay();
-        featherOLED.setTextCursor(0,0);
-        featherOLED.printf("MAX32630FTHR OLED\n");
-        featherOLED.printf("AIN0/1: %1.2f, %1.2f\n", (6.0f * ain0), (6.0f * ain1) );  // analog inputs 0,1
-        featherOLED.printf("AIN2/3: %1.2f, %1.2f\n", (1.2f * ain2), (1.2f * ain3) );  // analog inputs 2,3
-        featherOLED.printf("UART:%c  A:%d  B:%d  C:%d\n", c, aButton.read(), bButton.read(), cButton.read());  // UART and Buttons
-        featherOLED.display();
-
+       
+        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];
+}
\ No newline at end of file