103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
|
/***************************************************************
|
||
|
|
*
|
||
|
|
* OpenBeacon.org - USB CDC + FreeRTOS Pipes Demo
|
||
|
|
*
|
||
|
|
* Copyright 2011 Milosch Meriac <meriac@openbeacon.de>
|
||
|
|
*
|
||
|
|
***************************************************************
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; version 2.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License along
|
||
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <openbeacon.h>
|
||
|
|
|
||
|
|
static BOOL vTasksRunning = FALSE;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* overwrite default_putchar with USB CDC ACM
|
||
|
|
* output to enable USB support for debug_printf
|
||
|
|
*/
|
||
|
|
BOOL default_putchar(uint8_t data)
|
||
|
|
{
|
||
|
|
if (vTasksRunning)
|
||
|
|
CDC_PutChar (data);
|
||
|
|
/* always send out over serial port as well */
|
||
|
|
UARTSendChar (data);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void serial_task(void *handle)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
(void) handle;
|
||
|
|
portCHAR data;
|
||
|
|
|
||
|
|
vTasksRunning = TRUE;
|
||
|
|
|
||
|
|
i = 0;
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
debug_printf("%04i: Hello Task! (%04i bytes free heap memory)\n", i++,
|
||
|
|
xPortGetFreeHeapSize());
|
||
|
|
|
||
|
|
GPIOSetValue(LED_PORT, LED_BIT, LED_ON);
|
||
|
|
vTaskDelay(10 / portTICK_RATE_MS);
|
||
|
|
GPIOSetValue(LED_PORT, LED_BIT, LED_OFF);
|
||
|
|
|
||
|
|
while (CDC_Recv(&data, sizeof(data), 990))
|
||
|
|
UARTSendChar(data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
/* Enable CT32B1 Timer, IOCON, and USB */
|
||
|
|
LPC_SYSCON->SYSAHBCLKCTRL |= (EN_CT32B1 | EN_USB_REG | EN_IOCON);
|
||
|
|
|
||
|
|
/* Initialize GPIO */
|
||
|
|
GPIOInit();
|
||
|
|
/* Set LED port pin to output */
|
||
|
|
GPIOSetDir(LED_PORT, LED_BIT, 1);
|
||
|
|
GPIOSetValue(LED_PORT, LED_BIT, 0);
|
||
|
|
|
||
|
|
/* CDC Initialization */
|
||
|
|
CDC_Init();
|
||
|
|
/* USB Initialization */
|
||
|
|
USB_Init();
|
||
|
|
/* Connect to USB port */
|
||
|
|
USB_Connect(1);
|
||
|
|
|
||
|
|
/* Update System Core Clock Value */
|
||
|
|
SystemCoreClockUpdate();
|
||
|
|
|
||
|
|
/* NVIC is installed inside UARTInit file. */
|
||
|
|
UARTInit(115200, 0);
|
||
|
|
|
||
|
|
/* the following text is printed on the serial port as vTasksRunning
|
||
|
|
* is not yet set to TRUE in serial_task - which will redirect
|
||
|
|
* debug output to the CDC ACM USB serial device.
|
||
|
|
*/
|
||
|
|
debug_printf("Hello World!\n");
|
||
|
|
|
||
|
|
/* Create CDC ACM task */
|
||
|
|
xTaskCreate(serial_task, (const signed char*) "Serial", TASK_SERIAL_STACK_SIZE, NULL, TASK_SERIAL_PRIORITY, NULL);
|
||
|
|
|
||
|
|
/* Start the tasks running. */
|
||
|
|
vTaskStartScheduler();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|