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#include <stdlib.h>
#include <stdint.h>
#include <board.h>
#include <utility/trace.h>
#include <usb/common/core/USBGenericRequest.h>
#include <usb/device/core/USBD.h>
#include <usb/device/core/USBDDriver.h>
#include <usb/device/core/USBDDriverDescriptors.h>
#include <usb/device/core/USBDCallbacks.h>
extern const USBDDriverDescriptors usb_perf_driver_desc;
static unsigned char driver_interfaces[3];
static USBDDriver benchm_driver;
/* call-back for control EP requests from the host */
void USBDCallbacks_RequestReceived(const USBGenericRequest *req)
{
/* forward all (other) requests to core */
USBDDriver_RequestHandler(&benchm_driver, req);
}
void benchmark_drv_init(void)
{
USBDDriver_Initialize(&benchm_driver, &usb_perf_driver_desc,
driver_interfaces);
USBD_Init();
}
static uint8_t test_data[8192];
static void wr_compl_cb(void *arg, unsigned char status, unsigned int transferred, unsigned int remain)
{
uint8_t epnr = arg;
/* re-start */
if (status == 0 && remain == 0) {
//printf(".");
benchmark_start(epnr);
} else
printf("Err: EP%u wr_compl, status 0x%02u, xfr %u, remain %u\r\n",
epnr, status, transferred, remain);
}
void benchmark_start(uint8_t epnr)
{
int i;
for (i = 0; i < sizeof(test_data); i++)
test_data[i] = i & 0xff;
USBD_Write(epnr, &test_data, sizeof(test_data), wr_compl_cb, epnr);
}
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