felipe manrique / Mbed 2 deprecated openwrt_serial

open wrt router linked at FRDM board to control a robot

Dependencies:   mbed

main.cpp@0:69891c7752df, 2014-04-01 (annotated)

Committer:
felipeM
Date:
Tue Apr 01 02:52:18 2014 +0000
Revision:
0:69891c7752df
finally worked :)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
felipeM 0:69891c7752df 1 /*
felipeM 0:69891c7752df 2 |<--Temperature/Humidity sensor
felipeM 0:69891c7752df 3 ----->|<--Movemtent sensor
felipeM 0:69891c7752df 4 | |-->HBRIDGE-->MOTORS
felipeM 0:69891c7752df 5 v
felipeM 0:69891c7752df 6 *FRDM board |
felipeM 0:69891c7752df 7 *Webcam c270 |
felipeM 0:69891c7752df 8 *Serial_USB |
felipeM 0:69891c7752df 9 or sensors |
felipeM 0:69891c7752df 10 *usb memory |
felipeM 0:69891c7752df 11 *cellphone |<--->USB_HUB <--->MR3020 <---->INTERNET<----->USER
felipeM 0:69891c7752df 12 . (openwrt)
felipeM 0:69891c7752df 13 . 8080 server
felipeM 0:69891c7752df 14 .
felipeM 0:69891c7752df 15 --------------------------------------------------------------
felipeM 0:69891c7752df 16 All supported in a 5V 2200mA battery pack
felipeM 0:69891c7752df 17 |
felipeM 0:69891c7752df 18 inalambric charger
felipeM 0:69891c7752df 19 */
felipeM 0:69891c7752df 20 #include "mbed.h"
felipeM 0:69891c7752df 21 ////////// serial variables
felipeM 0:69891c7752df 22 bool Rxenable = false;
felipeM 0:69891c7752df 23 char inputString []="00000"; //a string to hold incoming data
felipeM 0:69891c7752df 24 bool stringComplete = false; //whether the string is complete
felipeM 0:69891c7752df 25 int i_pnt =0;
felipeM 0:69891c7752df 26 bool DEBUG =false;
felipeM 0:69891c7752df 27 Serial pc(USBTX, USBRX);
felipeM 0:69891c7752df 28 //TX RX pins, see https://mbed.org/handbook/mbed-FRDM-KL25Z
felipeM 0:69891c7752df 29 Serial uart(PTC4, PTC3);
felipeM 0:69891c7752df 30 //to test is you can use a hard bridge (piece of cable) between PTC4 and PTC3 open a terminal and write something :)
felipeM 0:69891c7752df 31 //you can integrate this to improve some interesting aplicattions like this:
felipeM 0:69891c7752df 32 //http://www.instructables.com/id/Temperature-sensor--weatherstation/http://www.instructables.com/id/Temperature-sensor--weatherstation/
felipeM 0:69891c7752df 33 DigitalOut LED1_P(LED1);
felipeM 0:69891c7752df 34 DigitalOut LED2_P(LED2);
felipeM 0:69891c7752df 35 DigitalOut LED3_P(LED3);
felipeM 0:69891c7752df 36 /*
felipeM 0:69891c7752df 37 SerialEvent occurs whenever a new data comes in the
felipeM 0:69891c7752df 38 hardware serial RX. This routine is run between each
felipeM 0:69891c7752df 39 time loop() runs, so using delay inside loop can delay
felipeM 0:69891c7752df 40 response. Multiple bytes of data may be available.
felipeM 0:69891c7752df 41 */
felipeM 0:69891c7752df 42 void serialEvent() {
felipeM 0:69891c7752df 43 if (pc.readable())
felipeM 0:69891c7752df 44 {
felipeM 0:69891c7752df 45 if (DEBUG) pc.printf("pc.read\n");
felipeM 0:69891c7752df 46 char inChar = (char)pc.getc(); // get the new byte:
felipeM 0:69891c7752df 47 if (inChar == '@' && Rxenable==false)
felipeM 0:69891c7752df 48 { // Can start recording after @ symbol
felipeM 0:69891c7752df 49 if (DEBUG) pc.printf("char@received\n");
felipeM 0:69891c7752df 50 Rxenable = true;
felipeM 0:69891c7752df 51 }
felipeM 0:69891c7752df 52 if (Rxenable==true)
felipeM 0:69891c7752df 53 {
felipeM 0:69891c7752df 54 i_pnt=i_pnt+1;
felipeM 0:69891c7752df 55 inputString[i_pnt] = inChar; // add it to the inputString:
felipeM 0:69891c7752df 56 if (DEBUG) pc.printf("pnt %i\t char received %c\n",i_pnt,inChar);
felipeM 0:69891c7752df 57 // if the incoming character:q is a carriage return, set a flag
felipeM 0:69891c7752df 58 // so the main loop: can do something about it:
felipeM 0:69891c7752df 59 if (inChar == '\r')
felipeM 0:69891c7752df 60 {
felipeM 0:69891c7752df 61 stringComplete = true;
felipeM 0:69891c7752df 62 Rxenable = false;
felipeM 0:69891c7752df 63 if (DEBUG) pc.printf("inchar r\n");
felipeM 0:69891c7752df 64 if (DEBUG) printf("input string%s\n",inputString);
felipeM 0:69891c7752df 65 i_pnt=0;
felipeM 0:69891c7752df 66 }
felipeM 0:69891c7752df 67 }
felipeM 0:69891c7752df 68 }
felipeM 0:69891c7752df 69 }
felipeM 0:69891c7752df 70
felipeM 0:69891c7752df 71 void process_command()
felipeM 0:69891c7752df 72 {
felipeM 0:69891c7752df 73 char command=inputString[2];
felipeM 0:69891c7752df 74 if (DEBUG) pc.printf("command %c\n",command);
felipeM 0:69891c7752df 75 switch (command) {
felipeM 0:69891c7752df 76 case '1':
felipeM 0:69891c7752df 77 //car_forward();
felipeM 0:69891c7752df 78 LED1_P=1;
felipeM 0:69891c7752df 79 LED2_P=0;
felipeM 0:69891c7752df 80 LED3_P=0;
felipeM 0:69891c7752df 81 if (DEBUG) pc.printf("case1");
felipeM 0:69891c7752df 82 // stringComplete=false;
felipeM 0:69891c7752df 83 break;
felipeM 0:69891c7752df 84 case '2':
felipeM 0:69891c7752df 85 LED1_P=0;
felipeM 0:69891c7752df 86 LED2_P=1;
felipeM 0:69891c7752df 87 LED3_P=0;
felipeM 0:69891c7752df 88 if (DEBUG) pc.printf("case2");
felipeM 0:69891c7752df 89 // stringComplete=false;
felipeM 0:69891c7752df 90 //car_headLight();
felipeM 0:69891c7752df 91 break;
felipeM 0:69891c7752df 92 case '3':
felipeM 0:69891c7752df 93 LED1_P=1;
felipeM 0:69891c7752df 94 LED2_P=1;
felipeM 0:69891c7752df 95 LED3_P=0;
felipeM 0:69891c7752df 96 if (DEBUG) pc.printf("case3");
felipeM 0:69891c7752df 97 // stringComplete=false;
felipeM 0:69891c7752df 98 //car_headLight();
felipeM 0:69891c7752df 99 break;
felipeM 0:69891c7752df 100 case '4':
felipeM 0:69891c7752df 101 LED1_P=0;
felipeM 0:69891c7752df 102 LED2_P=0;
felipeM 0:69891c7752df 103 LED3_P=1;
felipeM 0:69891c7752df 104 if (DEBUG) pc.printf("case4");
felipeM 0:69891c7752df 105 // stringComplete=false;
felipeM 0:69891c7752df 106 //car_headLight();
felipeM 0:69891c7752df 107 break;
felipeM 0:69891c7752df 108 case '5':
felipeM 0:69891c7752df 109 LED1_P=1;
felipeM 0:69891c7752df 110 LED2_P=0;
felipeM 0:69891c7752df 111 LED3_P=1;
felipeM 0:69891c7752df 112 if (DEBUG) pc.printf("case5");
felipeM 0:69891c7752df 113 // stringComplete=false;
felipeM 0:69891c7752df 114 //car_headLight();
felipeM 0:69891c7752df 115 break;
felipeM 0:69891c7752df 116 case '6':
felipeM 0:69891c7752df 117 LED1_P=0;
felipeM 0:69891c7752df 118 LED2_P=1;
felipeM 0:69891c7752df 119 LED3_P=1;
felipeM 0:69891c7752df 120 if (DEBUG) pc.printf("case6");
felipeM 0:69891c7752df 121 // stringComplete=false;
felipeM 0:69891c7752df 122 //car_headLight();
felipeM 0:69891c7752df 123 break;
felipeM 0:69891c7752df 124 case '7':
felipeM 0:69891c7752df 125 LED1_P=1;
felipeM 0:69891c7752df 126 LED2_P=1;
felipeM 0:69891c7752df 127 LED3_P=1;
felipeM 0:69891c7752df 128 if (DEBUG) pc.printf("case7");
felipeM 0:69891c7752df 129 // stringComplete=false;
felipeM 0:69891c7752df 130 //car_headLight();
felipeM 0:69891c7752df 131 break;
felipeM 0:69891c7752df 132 case '8':
felipeM 0:69891c7752df 133 LED1_P=0;
felipeM 0:69891c7752df 134 LED2_P=1;
felipeM 0:69891c7752df 135 LED3_P=0;
felipeM 0:69891c7752df 136 if (DEBUG) pc.printf("case8");
felipeM 0:69891c7752df 137 // stringComplete=false;
felipeM 0:69891c7752df 138 //car_headLight();
felipeM 0:69891c7752df 139 break;
felipeM 0:69891c7752df 140 case 'S':
felipeM 0:69891c7752df 141 LED1_P=1;
felipeM 0:69891c7752df 142 LED2_P=0;
felipeM 0:69891c7752df 143 LED3_P=1;
felipeM 0:69891c7752df 144 if (DEBUG) pc.printf("caseS");
felipeM 0:69891c7752df 145 // stringComplete=false;
felipeM 0:69891c7752df 146 //car_headLight();
felipeM 0:69891c7752df 147 break;
felipeM 0:69891c7752df 148 }
felipeM 0:69891c7752df 149 }
felipeM 0:69891c7752df 150
felipeM 0:69891c7752df 151 int main() {
felipeM 0:69891c7752df 152 pc.printf("Openwrt-car wifi application\n");
felipeM 0:69891c7752df 153 pc.baud(9600);
felipeM 0:69891c7752df 154 wait(0.001);
felipeM 0:69891c7752df 155 LED1_P=1;
felipeM 0:69891c7752df 156 LED2_P=1;
felipeM 0:69891c7752df 157 LED3_P=1;
felipeM 0:69891c7752df 158 while(1) {
felipeM 0:69891c7752df 159 serialEvent();
felipeM 0:69891c7752df 160 if (stringComplete) {
felipeM 0:69891c7752df 161 process_command();
felipeM 0:69891c7752df 162 //inputString = "00000"; //clear the string:
felipeM 0:69891c7752df 163 stringComplete = false;
felipeM 0:69891c7752df 164 }
felipeM 0:69891c7752df 165 }
felipeM 0:69891c7752df 166 }