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#include <stdlib.h>
#include <stdint.h>
#include <board.h>
#include <utility/trace.h>
#include <utility/led.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>
#include <usb/common/audio/AUDGenericRequest.h>
#include <usb/common/audio/AUDFeatureUnitRequest.h>
#include <AUDDFastSourceDescriptors.h>
#include <fast_source.h>
extern const USBDDriverDescriptors auddFastSourceDriverDescriptors;
static unsigned char driver_interfaces[3];
static USBDDriver fast_source_driver;
#define EP_NR 6
/* callback */
void USBDCallbacks_RequestReceived(const USBGenericRequest *request)
{
fastsource_req_hdlr(request);
}
void USBDDriverCallbacks_InterfaceSettingChanged(unsigned char interface,
unsigned char setting)
{
if ((interface == AUDDLoopRecDriverDescriptors_STREAMING)
&& (setting == 0))
LED_Clear(USBD_LEDOTHER);
else
LED_Set(USBD_LEDOTHER);
}
static void fastsource_get_feat_cur_val(uint8_t entity, uint8_t channel,
uint8_t control, uint8_t length)
{
/* FIXME */
USBD_Stall(0);
}
static void fastsource_set_feat_cur_val(uint8_t entity, uint8_t channel,
uint8_t control, uint8_t length)
{
/* FIXME */
USBD_Stall(0);
}
void fastsource_req_hdlr(const USBGenericRequest *request)
{
unsigned char entity;
unsigned char interface;
switch (USBGenericRequest_GetType(request)) {
case USBGenericRequest_STANDARD:
USBDDriver_RequestHandler(&fast_source_driver, request);
return;
case USBGenericRequest_CLASS:
/* continue below */
break;
default:
TRACE_WARNING("Unsupported request type %u\n\r",
USBGenericRequest_GetType(request));
USBD_Stall(0);
return;
}
switch (USBGenericRequest_GetRequest(request)) {
case AUDGenericRequest_SETCUR:
entity = AUDGenericRequest_GetEntity(request);
interface = AUDGenericRequest_GetInterface(request);
if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) ||
(entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) &&
(interface == AUDDLoopRecDriverDescriptors_CONTROL)) {
fastsource_set_feat_cur_val(entity,
AUDFeatureUnitRequest_GetChannel(request),
AUDFeatureUnitRequest_GetControl(request),
USBGenericRequest_GetLength(request));
} else {
TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r",
USBGenericRequest_GetIndex(request));
USBD_Stall(0);
}
break;
case AUDGenericRequest_GETCUR:
entity = AUDGenericRequest_GetEntity(request);
interface = AUDGenericRequest_GetInterface(request);
if (((entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT) ||
(entity == AUDDLoopRecDriverDescriptors_FEATUREUNIT_REC)) &&
(interface == AUDDLoopRecDriverDescriptors_CONTROL)) {
fastsource_get_feat_cur_val(entity,
AUDFeatureUnitRequest_GetChannel(request),
AUDFeatureUnitRequest_GetControl(request),
USBGenericRequest_GetLength(request));
} else {
TRACE_WARNING("Unsupported entity/interface combination 0x%04x\n\r",
USBGenericRequest_GetIndex(request));
USBD_Stall(0);
}
break;
default:
TRACE_WARNING("Unsupported request %u\n\r",
USBGenericRequest_GetIndex(request));
USBD_Stall(0);
break;
}
}
void fastsource_init(void)
{
USBDDriver_Initialize(&fast_source_driver, &auddFastSourceDriverDescriptors,
driver_interfaces);
USBD_Init();
}
const uint8_t test_data[AUDDLoopRecDriver_BYTESPERFRAME] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f };
static void wr_compl_cb(void *arg, unsigned char status, unsigned int transferred,
unsigned int remain)
{
//TRACE_INFO("COMPL: status %u transferred %u remain %u\r\n", status, transferred, remain);
//TRACE_INFO(".");
if (status == 0 && remain == 0) {
fastsource_start();
} else {
TRACE_WARNING("Err: EP%u wr_compl, status 0x%02u, xfr %u, remain %u\r\n",
EP_NR, status, transferred, remain);
}
}
void fastsource_start(void)
{
//TRACE_WARNING("DATA: %02x %02x %02x %02x\r\n", test_data[0], test_data[1], test_data[2], test_data[3]);
USBD_Write(EP_NR, test_data, sizeof(test_data), wr_compl_cb, NULL);
}
void fastsource_dump(void)
{
printf("usb pending: ");
printf("ssc pending:");
llist_for_each_entry_safe(rctx, rctx2, &ssc_state.pending_rctx, list)
printf(" %d", req_ctx_num(rctx));
printf("\r\n");
}
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