Alexander Rakhman / Mbed 2 deprecated MaxSonarTTL2Flash

Looking up interrupts from MaxBotix Maxsonar MB73x0 ultrasonic gauge and writing data and timestamp to SD flash card. I'm using MB7380 with STM32F103C8T6 minimal board from Ali (it's perfect MCU board for small projects!).

Dependencies:   SDFileSystem mbed

main.cpp@2:a5ea1929e545, 2016-03-17 (annotated)

Committer:
shtirlitz
Date:
Thu Mar 17 22:32:39 2016 +0000
Revision:
2:a5ea1929e545
Parent:
1:5c9bde92518d
Child:
3:66b5c374745e
working good

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shtirlitz 0:2ce0698a332d 1 #include "mbed.h"
shtirlitz 1:5c9bde92518d 2 #include "SDFileSystem.h"
shtirlitz 1:5c9bde92518d 3
shtirlitz 1:5c9bde92518d 4 SDFileSystem sd(PA_7, PA_6, PA_5, PA_4, "sd"); //mosi, miso, sck, cs
shtirlitz 0:2ce0698a332d 5
shtirlitz 0:2ce0698a332d 6 Serial pc(PA_2, PA_3); // This is USB tx, rx
shtirlitz 0:2ce0698a332d 7 Serial sensor_uart(PA_9, PA_10); // This is USART2 tx, rx
shtirlitz 0:2ce0698a332d 8
shtirlitz 1:5c9bde92518d 9 DigitalOut myled(PC_13); // This is USER LED
shtirlitz 2:a5ea1929e545 10 DigitalOut myled2(PB_11); // This is USER LED
shtirlitz 1:5c9bde92518d 11 DigitalIn Button(PB_12); // This is Blue-Button
shtirlitz 0:2ce0698a332d 12
shtirlitz 0:2ce0698a332d 13 #define Pressed 0
shtirlitz 0:2ce0698a332d 14 #define NotPressed 1
shtirlitz 0:2ce0698a332d 15
shtirlitz 0:2ce0698a332d 16 int USBByte='\0';
shtirlitz 0:2ce0698a332d 17 int GaugeByte='\0';
shtirlitz 0:2ce0698a332d 18 int n=0;
shtirlitz 0:2ce0698a332d 19 int readgauge = 0;
shtirlitz 0:2ce0698a332d 20 Timer t;
shtirlitz 1:5c9bde92518d 21 char buf[32];
shtirlitz 1:5c9bde92518d 22 char str[32];
shtirlitz 1:5c9bde92518d 23 char str2[32];
shtirlitz 1:5c9bde92518d 24 uint8_t writeflag = 0;
shtirlitz 0:2ce0698a332d 25 long millis = 0;
shtirlitz 0:2ce0698a332d 26
shtirlitz 0:2ce0698a332d 27 void PC_INT() // USART2 used for Debug
shtirlitz 0:2ce0698a332d 28 {
shtirlitz 0:2ce0698a332d 29 // Note: you need to actually read from the serial to clear the RX interrupt
shtirlitz 0:2ce0698a332d 30 pc.putc(pc.getc());
shtirlitz 0:2ce0698a332d 31 myled = (myled)?(0):(1);
shtirlitz 0:2ce0698a332d 32 }
shtirlitz 0:2ce0698a332d 33
shtirlitz 0:2ce0698a332d 34 void SENSOR_USART_INT() // SENSOR_USART
shtirlitz 0:2ce0698a332d 35 {
shtirlitz 0:2ce0698a332d 36 if (sensor_uart.getc() == 'R') {
shtirlitz 0:2ce0698a332d 37 myled = (myled)?(0):(1);
shtirlitz 1:5c9bde92518d 38 sprintf(str, "%d; %s;", t.read_ms(), sensor_uart.gets(buf, 5));
shtirlitz 1:5c9bde92518d 39 writeflag = 1;
shtirlitz 1:5c9bde92518d 40 //pc.printf("%s\r\n", str);
shtirlitz 0:2ce0698a332d 41 }
shtirlitz 0:2ce0698a332d 42 }
shtirlitz 0:2ce0698a332d 43
shtirlitz 0:2ce0698a332d 44 int main()
shtirlitz 0:2ce0698a332d 45 {
shtirlitz 0:2ce0698a332d 46 myled = 0;
shtirlitz 0:2ce0698a332d 47
shtirlitz 0:2ce0698a332d 48 // SetUp the baud rate
shtirlitz 1:5c9bde92518d 49 pc.baud(115200);
shtirlitz 0:2ce0698a332d 50 sensor_uart.baud(9600);
shtirlitz 0:2ce0698a332d 51
shtirlitz 1:5c9bde92518d 52 mkdir("/sd/ultrasonic", 0777);
shtirlitz 1:5c9bde92518d 53
shtirlitz 1:5c9bde92518d 54 FILE *fp = fopen("/sd/ultrasonic/test.csv", "w");
shtirlitz 1:5c9bde92518d 55 if(fp == NULL) {
shtirlitz 1:5c9bde92518d 56 pc.printf("Could not open file for write\n");
shtirlitz 1:5c9bde92518d 57 }
shtirlitz 2:a5ea1929e545 58 fprintf(fp, "timestamp;value;\n");
shtirlitz 1:5c9bde92518d 59 //fclose(fp);
shtirlitz 1:5c9bde92518d 60
shtirlitz 1:5c9bde92518d 61 pc.printf("\n\r\n\r|||||START MAIN|||||\n\r");
shtirlitz 1:5c9bde92518d 62 t.start();
shtirlitz 0:2ce0698a332d 63 sensor_uart.attach(&SENSOR_USART_INT);
shtirlitz 0:2ce0698a332d 64 pc.attach(&PC_INT);
shtirlitz 0:2ce0698a332d 65
shtirlitz 0:2ce0698a332d 66 while(1) {
shtirlitz 1:5c9bde92518d 67 if (Button)
shtirlitz 1:5c9bde92518d 68 fclose(fp);
shtirlitz 1:5c9bde92518d 69 if (writeflag) {
shtirlitz 2:a5ea1929e545 70 myled2 = (myled2)?(0):(1);
shtirlitz 1:5c9bde92518d 71 memcpy(str2, str, 32);
shtirlitz 1:5c9bde92518d 72 fprintf(fp, "%s\n", str2);
shtirlitz 1:5c9bde92518d 73 writeflag = 0;
shtirlitz 1:5c9bde92518d 74 fprintf(pc, "%s\r\n", str2);
shtirlitz 2:a5ea1929e545 75 }
shtirlitz 2:a5ea1929e545 76 else
shtirlitz 2:a5ea1929e545 77 {
shtirlitz 2:a5ea1929e545 78 myled2 = (myled2)?(0):(1);
shtirlitz 2:a5ea1929e545 79 wait (0.07);
shtirlitz 0:2ce0698a332d 80 }
shtirlitz 0:2ce0698a332d 81 }
shtirlitz 0:2ce0698a332d 82 }