![](/media/cache/profiles/012d0b8e9950a1168ab4bafe9b73750b.jpg.50x50_q85.jpg)
it is test project using DISCO-F469NI target board
Dependencies: BSP_DISCO_F469NI LCD_DISCO_F469NI USBHOST
main.cpp
- Committer:
- bcjun@aname.co.kr
- Date:
- 2017-08-08
- Revision:
- 4:7dfa826f04ba
- Parent:
- 3:b61f4db32ed5
File content as of revision 4:7dfa826f04ba:
#include <stdlib.h> #include "mbed.h" //#include "LCD_DISCO_F469NI.h" #include "USBHostMSD.h" #include "FATFileSystem.h" //LCD_DISCO_F469NI lcd; DigitalOut led_green(LED1); DigitalOut led_orange(LED2); DigitalOut led_red(LED3); DigitalOut led_blue(LED4); Serial pc(SERIAL_TX, SERIAL_RX); void msd_task(void const *) { USBHostMSD msd; int i = 0; FATFileSystem fs("usb"); int err; printf("wait for usb memory stick insertion\n"); while(1) { // try to connect a MSD device while(!msd.connect()) { Thread::wait(500); } if (fs.mount(&msd) != 0) continue; else printf("file system mounted\n"); if (!msd.connect()) { continue; } // in a loop, append a file // if the device is disconnected, we try to connect it again // append a file File file; err = file.open(&fs, "test1.txt", O_WRONLY | O_CREAT |O_APPEND); if (err == 0) { char tmp[100]; sprintf(tmp,"Hello fun USB stick World: %d!\r\n", i++); file.write(tmp,strlen(tmp)); sprintf(tmp,"Goodbye World!\r\n"); file.write(tmp,strlen(tmp)); file.close(); } else { printf("FILE == NULL\r\n"); } Thread::wait(500); printf("again\n"); // if device disconnected, try to connect again while (msd.connected()) { Thread::wait(500); } while (fs.unmount() < 0) { Thread::wait(500); printf("unmount\n"); } } } int main() { pc.baud(115200); //lcd.DisplayStringAt(0, LINE(1), (uint8_t *)"MBED EXAMPLE", CENTER_MODE); //wait(1); Thread msdTask(msd_task, NULL, osPriorityNormal, 1024 * 4); //lcd.Clear(LCD_COLOR_BLUE); //lcd.SetBackColor(LCD_COLOR_BLUE); //lcd.SetTextColor(LCD_COLOR_WHITE); //BSP_LCD_SetFont(&Font20); //lcd.DisplayStringAt(0, LINE(7), (uint8_t *)"HAVE FUN !!!", CENTER_MODE); while(1) { // WARNING: LEDs are OFF led_green = 1; led_orange = 1; led_red = 1; led_blue = 1; wait(0.2); // 200 ms // WARNING: LEDs are ON led_green = 0; led_orange = 0; led_red = 0; led_blue = 0; wait(1.0); // 1 sec } }