Nagaraj Batta / Mbed 2 deprecated USBHost-MSD_Sensors_1

Acquire Sensor data and email

Dependencies:   C12832_lcd EthernetInterface LM75B NTPClient SimpleSMTPClient TextLCD USBHost mbed

Fork of USBHost-MSD_HelloWorld by avnish aggarwal

main.cpp@9:3ca15106a7d1, 2013-08-13 (annotated)

Committer:
avnisha
Date:
Tue Aug 13 06:11:51 2013 +0000
Revision:
9:3ca15106a7d1
Parent:
4:f8a5c8aa895a
Child:
10:0902b3dc4d96
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 0:0d68fe822228 1 #include "mbed.h"
samux 0:0d68fe822228 2 #include "USBHostMSD.h"
samux 0:0d68fe822228 3
samux 0:0d68fe822228 4 DigitalOut led(LED1);
samux 0:0d68fe822228 5
samux 0:0d68fe822228 6 void msd_task(void const *) {
samux 0:0d68fe822228 7
samux 0:0d68fe822228 8 USBHostMSD msd("usb");
samux 0:0d68fe822228 9 int i = 0;
samux 0:0d68fe822228 10
samux 0:0d68fe822228 11 while(1) {
samux 0:0d68fe822228 12
samux 1:473f339c54c1 13 // try to connect a MSD device
samux 1:473f339c54c1 14 while(!msd.connect()) {
samux 1:473f339c54c1 15 Thread::wait(500);
avnisha 9:3ca15106a7d1 16 printf("waiting\n");
samux 1:473f339c54c1 17 }
samux 1:473f339c54c1 18
samux 4:f8a5c8aa895a 19 // in a loop, append a file
samux 4:f8a5c8aa895a 20 // if the device is disconnected, we try to connect it again
samux 1:473f339c54c1 21 while(1) {
samux 1:473f339c54c1 22
samux 4:f8a5c8aa895a 23 // append a file
samux 1:473f339c54c1 24 FILE * fp = fopen("/usb/test1.txt", "a");
samux 1:473f339c54c1 25
samux 1:473f339c54c1 26 if (fp != NULL) {
samux 1:473f339c54c1 27 fprintf(fp, "Hello fun SD Card World: %d!\r\n", i++);
samux 1:473f339c54c1 28 printf("Goodbye World!\r\n");
samux 1:473f339c54c1 29 fclose(fp);
samux 1:473f339c54c1 30 } else {
samux 1:473f339c54c1 31 printf("FILE == NULL\r\n");
samux 1:473f339c54c1 32 }
samux 1:473f339c54c1 33
samux 0:0d68fe822228 34 Thread::wait(500);
samux 0:0d68fe822228 35
samux 1:473f339c54c1 36 // if device disconnected, try to connect again
samux 1:473f339c54c1 37 if (!msd.connected())
samux 1:473f339c54c1 38 break;
samux 0:0d68fe822228 39 }
samux 1:473f339c54c1 40
samux 0:0d68fe822228 41 }
samux 0:0d68fe822228 42 }
samux 0:0d68fe822228 43
samux 0:0d68fe822228 44
samux 0:0d68fe822228 45 int main() {
samux 2:3e3df7a79050 46 Thread msdTask(msd_task, NULL, osPriorityNormal, 1024 * 4);
samux 0:0d68fe822228 47 while(1) {
samux 0:0d68fe822228 48 led=!led;
samux 0:0d68fe822228 49 Thread::wait(500);
samux 0:0d68fe822228 50 }
samux 0:0d68fe822228 51 }