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- /**
- * USB VCP for STM32F4xx example.
- *
- * @author Tilen Majerle
- * @email tilen@majerle.eu
- * @website http://stm32f4-discovery.com
- * @ide Keil uVision
- *
- * Add line below to use this example with F429 Discovery board (in defines.h file)
- *
- * #define USE_USB_OTG_HS
- */
- #include <stm32f4xx.h>
- #include <stm32f4xx_rcc.h>
- #include <stm32f4xx_gpio.h>
- #include "stm32f4xx_conf.h"
- #include "tm_stm32f4_usb_vcp.h"
- #include "tm_stm32f4_disco.h"
- #include ".\defines.h"
- /* Activate USB HS in FS mode */
- #define USE_USB_OTG_HS
- // Init system clock
- void SystemInit(void)
- {
- // ...
- }
- int main(void) {
- uint8_t c;
- /* System Init */
- SystemInit();
- /* Initialize LED's. Make sure to check settings for your board in tm_stm32f4_disco.h file */
- TM_DISCO_LedInit();
- TM_DISCO_LedOn(LED_GREEN); // The IO system was loaded OK
- /* Initialize USB VCP */
- TM_USB_VCP_Init();
- while (1) {
- if (TM_USB_VCP_GetStatus() == TM_USB_VCP_NOT_CONNECTED) {
- TM_DISCO_LedOn(LED_BLUE);
- } else {
- TM_DISCO_LedOff(LED_BLUE);
- }
- /* USB configured OK, drivers OK */
- if (TM_USB_VCP_GetStatus() == TM_USB_VCP_CONNECTED) {
- /* Turn on GREEN led */
- TM_DISCO_LedOn(LED_GREEN);
- TM_DISCO_LedOff(LED_RED);
- /* If something arrived at VCP */
- if (TM_USB_VCP_Getc(&c) == TM_USB_VCP_DATA_OK) {
- /* Return data back */
- TM_USB_VCP_Putc(c);
- }
- } else {
- /* USB not OK */
- TM_DISCO_LedOff(LED_GREEN);
- TM_DISCO_LedOn(LED_RED);
- }
- }
- }
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