Posted on June 29, 2016 at 03:30I've generated a test app using STM32Cube for a STM32F407 Discovery board and have been able to send and receive. I am now trying to port the code to run under microC/OS II. I have modified the ISR to include the uC/OS additions and have also replaced calls to HAL_Delay() with OSTimerDly() however the port is not being created for the ported project. Any ideas on what I'm missing? The MX_USB_DEVICE_Init doing all its calls with no error returns.
void STM32F4_InterruptController::OTG_FS_IRQHandler(void)
{
extern PCD_HandleTypeDef hpcd_USB_OTG_FS;
OS_CPU_SR cpu_sr = 0;
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
HAL_PCD_IRQHandler(&hpcd_USB_OTG_FS);
OSIntExit(); /* Tell uC/OS-II that we are leaving the ISR */
}
----------------------
Code fragment from startup task in uC/OS
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USB_DEVICE_Init();
HAL_Delay(1000);
/* CDC port is visible at this point in stand alone but not in uC/OS II version */
uint8_t test_msg[]=''HELLO'';
uint16_t size = strlen((char *)test_msg);
/* Infinite loop to send data */
while (1)
{
...
#isr-ucosii #microc/os-ii #usb #cdc
