Cortex Challenge Team / Mbed 2 deprecated Nucleo_read_analog_set

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Dependencies:   mbed

Fork of Nucleo-Analog_read by Cortex Challenge Team

main.cpp@3:a87ea8280bcf, 2015-03-22 (annotated)

Committer:
dousape2
Date:
Sun Mar 22 12:37:02 2015 +0000
Revision:
3:a87ea8280bcf
Parent:
2:eb5ee8191175
Child:
4:da95e07f350a
snad v?e

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dousape2 2:eb5ee8191175 1 /**********************************************************************************
dousape2 2:eb5ee8191175 2 * @file main.cpp
dousape2 3:a87ea8280bcf 3 * @author Petr Dousa
dousape2 3:a87ea8280bcf 4 * @version V1.00
dousape2 3:a87ea8280bcf 5 * @date 22-March-2015
dousape2 2:eb5ee8191175 6 * @brief Read analog value and write it to serial.
dousape2 2:eb5ee8191175 7 * It could be set some settings through serial.
dousape2 2:eb5ee8191175 8 * Serial speed is set to 115200.
dousape2 2:eb5ee8191175 9 ***********************************************************************************/
dousape2 2:eb5ee8191175 10
dousape2 2:eb5ee8191175 11 /**********************************************************************************/
dousape2 2:eb5ee8191175 12 /* Table of A/D pins on Nucleo F303 (LQFP64) */
dousape2 2:eb5ee8191175 13 /**********************************************************************************/
dousape2 2:eb5ee8191175 14 /* LQFP64 pin | Nucleo pin | ST Pin | AD Number | Channel */
dousape2 2:eb5ee8191175 15 /* 8 | A5 | PC_0 | ADC12 | 6 */
dousape2 2:eb5ee8191175 16 /* 9 | A4 | PC_1 | ADC12 | 7 */
dousape2 2:eb5ee8191175 17 /* 14 | A0 | PA_0 | ADC1 | 1 */
dousape2 2:eb5ee8191175 18 /* 15 | A1 | PA_1 | ADC1 | 2 */
dousape2 2:eb5ee8191175 19 /* 16 | D1 | PA_2 | ADC1 | 3 */
dousape2 2:eb5ee8191175 20 /* 17 | D0 | PA_3 | ADC1 | 4 */
dousape2 2:eb5ee8191175 21 /* 20 | A2 | PA_4 | ADC2 | 1 */
dousape2 2:eb5ee8191175 22 /* 21 | D13 | PA_5 | ADC2 | 2 */
dousape2 2:eb5ee8191175 23 /* 22 | D12 | PA_6 | ADC2 | 3 */
dousape2 2:eb5ee8191175 24 /* 23 | D11 | PA_7 | ADC2 | 4 */
dousape2 2:eb5ee8191175 25 /* 26 | A3 | PB_0 | ADC3 | 12 */
dousape2 2:eb5ee8191175 26 /**********************************************************************************/
dousape2 2:eb5ee8191175 27
dousape2 2:eb5ee8191175 28
dousape2 2:eb5ee8191175 29 /* Includes ----------------------------------------------------------------------*/
dousape2 0:242976b62902 30 #include "mbed.h"
dousape2 0:242976b62902 31
dousape2 2:eb5ee8191175 32 /* Defines -----------------------------------------------------------------------*/
dousape2 2:eb5ee8191175 33 #define voltage 3300 //voltage in mV, which is used in Nucleo kits
dousape2 2:eb5ee8191175 34 #define mv(x) ((x*voltage)/0xFFFF) // raw value to value in mili volts
dousape2 1:dc5a274adc7d 35
dousape2 3:a87ea8280bcf 36 /* Function prototypes -----------------------------------------------------------*/
dousape2 3:a87ea8280bcf 37
dousape2 2:eb5ee8191175 38 /* Variables ---------------------------------------------------------------------*/
dousape2 2:eb5ee8191175 39 int voltages =0; //voltage to compare and start print
dousape2 2:eb5ee8191175 40 bool start = true; // if true it print value to serial
dousape2 1:dc5a274adc7d 41
dousape2 2:eb5ee8191175 42 //mbed - initialization of peripherals
dousape2 2:eb5ee8191175 43 AnalogIn analog_value(A0); // inicialize analog input A0
dousape2 2:eb5ee8191175 44 Serial pc(SERIAL_TX, SERIAL_RX);// inicialize Serial to connect to PC
dousape2 2:eb5ee8191175 45 DigitalOut led(LED1); // inicialize LED
dousape2 2:eb5ee8191175 46 Ticker toggle_ticker; // inicialize ticker
dousape2 2:eb5ee8191175 47
dousape2 2:eb5ee8191175 48 /* Functions----------------------------------------------------------------------*/
dousape2 0:242976b62902 49
dousape2 2:eb5ee8191175 50 /***********************************************************************************
dousape2 2:eb5ee8191175 51 * Function Name : toggle.
dousape2 2:eb5ee8191175 52 * Description : Read analog value, compare, blink with LED and send value to serial.
dousape2 2:eb5ee8191175 53 * Input : None.
dousape2 2:eb5ee8191175 54 * Output : None.
dousape2 2:eb5ee8191175 55 * Return : None.
dousape2 2:eb5ee8191175 56 ***********************************************************************************/
dousape2 1:dc5a274adc7d 57 void toggle()
dousape2 1:dc5a274adc7d 58 {
dousape2 1:dc5a274adc7d 59 int meas;
dousape2 1:dc5a274adc7d 60
dousape2 1:dc5a274adc7d 61 meas = analog_value.read_u16(); // Converts and read the analog input value (value from 0.0 to 0xFFFF)
dousape2 2:eb5ee8191175 62 meas = mv(meas); // Change the value to be in the 0 to 3300 range
dousape2 1:dc5a274adc7d 63
dousape2 1:dc5a274adc7d 64
dousape2 1:dc5a274adc7d 65 led= !led;
dousape2 2:eb5ee8191175 66 if (meas > voltages ) { // If the value is greater than set voltage
dousape2 2:eb5ee8191175 67 start = true; //start send data to Serial
dousape2 1:dc5a274adc7d 68 }
dousape2 1:dc5a274adc7d 69 if(start) {
dousape2 2:eb5ee8191175 70 while(!pc.writeable()); // wait to be serial available for sending data
dousape2 2:eb5ee8191175 71 pc.printf("%d\n", meas); // send data to Serial
dousape2 1:dc5a274adc7d 72 }
dousape2 1:dc5a274adc7d 73 }
dousape2 1:dc5a274adc7d 74
dousape2 2:eb5ee8191175 75 /***********************************************************************************
dousape2 2:eb5ee8191175 76 * Function Name : flushSerialPort.
dousape2 2:eb5ee8191175 77 * Description : Serial flush rountine.
dousape2 2:eb5ee8191175 78 * Input : None.
dousape2 2:eb5ee8191175 79 * Output : None.
dousape2 2:eb5ee8191175 80 * Return : None.
dousape2 2:eb5ee8191175 81 ***********************************************************************************/
dousape2 1:dc5a274adc7d 82 void flushSerialPort()
dousape2 1:dc5a274adc7d 83 {
dousape2 1:dc5a274adc7d 84 while(pc.readable())
dousape2 1:dc5a274adc7d 85 pc.getc();
dousape2 1:dc5a274adc7d 86 return;
dousape2 1:dc5a274adc7d 87 }
dousape2 1:dc5a274adc7d 88
dousape2 2:eb5ee8191175 89 /***********************************************************************************
dousape2 2:eb5ee8191175 90 * Function Name : menu.
dousape2 2:eb5ee8191175 91 * Description : Print menu to serial.
dousape2 2:eb5ee8191175 92 * Input : None.
dousape2 2:eb5ee8191175 93 * Output : None.
dousape2 2:eb5ee8191175 94 * Return : None.
dousape2 2:eb5ee8191175 95 ***********************************************************************************/
dousape2 2:eb5ee8191175 96 void menu()
dousape2 2:eb5ee8191175 97 {
dousape2 2:eb5ee8191175 98 while(!pc.writeable()); // wait to be serial available for sending data
dousape2 2:eb5ee8191175 99 pc.printf("HELP - MENU\n"); // send text to Serial
dousape2 2:eb5ee8191175 100 while(!pc.writeable());
dousape2 2:eb5ee8191175 101 pc.printf("Data send to PC (numbers) are in mV.\n");
dousape2 2:eb5ee8191175 102 while(!pc.writeable());
dousape2 2:eb5ee8191175 103 pc.printf("Set data exactly.\n");
dousape2 2:eb5ee8191175 104 while(!pc.writeable());
dousape2 2:eb5ee8191175 105 pc.printf("Write to console: \"xx yy\", where xx is a code of seting and yy his value.\n");
dousape2 2:eb5ee8191175 106 while(!pc.writeable());
dousape2 2:eb5ee8191175 107 pc.printf("01 y.yyy - set period[s] to send data to PC and start reading value, example:01 0.01\n");
dousape2 2:eb5ee8191175 108 while(!pc.writeable());
dousape2 2:eb5ee8191175 109 pc.printf("02 0 - stop reading value example:02 0\n");
dousape2 2:eb5ee8191175 110 while(!pc.writeable());
dousape2 2:eb5ee8191175 111 pc.printf("03 yyyy - Wait for minimum voltage[mV] (to 3299) and send data example:03 2000\n");
dousape2 2:eb5ee8191175 112 while(!pc.writeable());
dousape2 2:eb5ee8191175 113 pc.printf("end HELP\n");
dousape2 2:eb5ee8191175 114 }
dousape2 2:eb5ee8191175 115
dousape2 2:eb5ee8191175 116 /***********************************************************************************
dousape2 2:eb5ee8191175 117 * Function Name : main.
dousape2 2:eb5ee8191175 118 * Description : Main routine.
dousape2 2:eb5ee8191175 119 * Input : None.
dousape2 2:eb5ee8191175 120 * Output : None.
dousape2 2:eb5ee8191175 121 * Return : None.
dousape2 2:eb5ee8191175 122 ***********************************************************************************/
dousape2 0:242976b62902 123 int main()
dousape2 0:242976b62902 124 {
dousape2 2:eb5ee8191175 125 // variables to read from serials
dousape2 2:eb5ee8191175 126 int prijData=0; // check if data are well set
dousape2 2:eb5ee8191175 127 int Data1=0; // first data from serial
dousape2 2:eb5ee8191175 128 float Data2=0; // second data from serial
dousape2 2:eb5ee8191175 129
dousape2 2:eb5ee8191175 130 pc.baud(115200); //set speed of serial to 115200
dousape2 2:eb5ee8191175 131
dousape2 2:eb5ee8191175 132 toggle_ticker.detach(); // do NOT call function
dousape2 2:eb5ee8191175 133 toggle_ticker.attach(&toggle, 1); // 1 second was passed, call function toggle
dousape2 2:eb5ee8191175 134
dousape2 2:eb5ee8191175 135 pc.printf("\nAnalogIn example, data (numbers) are in mV.\n");
dousape2 2:eb5ee8191175 136 menu(); //print menu
dousape2 0:242976b62902 137
dousape2 0:242976b62902 138 while(1) {
dousape2 2:eb5ee8191175 139
dousape2 2:eb5ee8191175 140 //accepted data from serial
dousape2 2:eb5ee8191175 141 prijData=pc.scanf("%d",&Data1); // read number from serial
dousape2 2:eb5ee8191175 142 if(prijData==1 && (Data1>=1 && Data1<=3)) { // test if number was read and it is between 1 and 3
dousape2 2:eb5ee8191175 143 prijData=pc.scanf("%f",&Data2); // read float number from serial
dousape2 2:eb5ee8191175 144 if(prijData==1) {
dousape2 2:eb5ee8191175 145 prijData=2; // set variable to set measure of values
dousape2 2:eb5ee8191175 146 } else {
dousape2 2:eb5ee8191175 147 flushSerialPort(); // iscard data from serial
dousape2 2:eb5ee8191175 148 prijData=0; // set variable to print menu
dousape2 2:eb5ee8191175 149 }
dousape2 2:eb5ee8191175 150 } else {
dousape2 2:eb5ee8191175 151 flushSerialPort(); // discard data from serial
dousape2 2:eb5ee8191175 152 prijData=0; // set variable to print menu
dousape2 2:eb5ee8191175 153 }
dousape2 2:eb5ee8191175 154
dousape2 1:dc5a274adc7d 155 if(prijData==2) {
dousape2 2:eb5ee8191175 156 if(Data1==1) { // change time to call function toggle
dousape2 2:eb5ee8191175 157 toggle_ticker.detach(); // do NOT call function
dousape2 2:eb5ee8191175 158 toggle_ticker.attach(&toggle, Data2); // Data2 seconds was passed, call function toggle
dousape2 2:eb5ee8191175 159 } else if(Data1==2) { // stop call function toggle
dousape2 2:eb5ee8191175 160 toggle_ticker.detach(); // do NOT call function
dousape2 2:eb5ee8191175 161 } else if(Data1==3) { //set variables, which are use in toggle
dousape2 1:dc5a274adc7d 162 voltages=(int)Data2;
dousape2 1:dc5a274adc7d 163 start = false;
dousape2 1:dc5a274adc7d 164 }
dousape2 0:242976b62902 165 } else {
dousape2 2:eb5ee8191175 166 menu(); // print menu
dousape2 2:eb5ee8191175 167 flushSerialPort(); // discard data from serial
dousape2 2:eb5ee8191175 168
dousape2 0:242976b62902 169 }
dousape2 0:242976b62902 170 }
dousape2 0:242976b62902 171 }