static void
CyFxGpifAppDestroyDmaChannels (
void)
{
CyU3PDmaChannelDestroy (&fxAppWriteChannel);
CyU3PDmaChannelDestroy (&fxAppReadChannel);
}
static void UartBridgeStop(void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_UART_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_UART_EP_CONSUMER);
/* Destroy the channel */
CyU3PDmaChannelDestroy(&glChHandlebladeRFUARTtoU);
CyU3PDmaChannelDestroy(&glChHandlebladeRFUtoUART);
/* Disable endpoints. */
CyU3PMemSet((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Producer endpoint configuration. */
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
apiRetStatus = CyU3PSetEpConfig(BLADE_UART_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint (4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
CyU3PUartDeInit();
}
void
CyFxMscDriverDeInit ()
{
/* Clear all variables. */
glMscIsActive = CyFalse;
glMscEpSize = 0;
glMscSectorSize = 0;
glMscCapacity = 0;
glMscTestLun = 0;
glMscTestSector = 0;
glTimerCount = 0;
CyU3PDmaChannelDestroy (&glMscInCh);
if (glMscInEp != 0)
{
CyU3PUsbHostEpRemove (glMscInEp);
glMscInEp = 0;
}
CyU3PDmaChannelDestroy (&glMscOutCh);
if (glMscOutEp != 0)
{
CyU3PUsbHostEpRemove (glMscOutEp);
glMscOutEp = 0;
}
}
/* This function disables the mouse driver application. */
static void
CyFxApplnStop ()
{
/* Destroy the DMA channel. */
CyU3PDmaChannelDestroy (&glHostInCh);
if (glHostInEp != 0)
{
CyU3PUsbHostEpRemove (glHostInEp);
glHostInEp = 0;
}
CyU3PDmaChannelDestroy (&glHostOutCh);
if (glHostOutEp != 0)
{
CyU3PUsbHostEpRemove (glHostOutEp);
glHostOutEp = 0;
}
/* Remove EP0. and disable the port. */
CyU3PUsbHostEpRemove (0);
glHostEpSize = 0;
CyU3PUsbHostPortDisable ();
/* Clear state variables. */
glIsApplnActive = CyFalse;
glTimerCount = 0;
glIsHnp = CyFalse;
glDoHnp = CyFalse;
glIsHnpSupported = CyFalse;
/* Reset counter to zero. */
glDMARxCount = 0;
glDMATxCount = 0;
CyU3PDebugPrint (4, "Host mode application stopped.\r\n");
}
/* This function stops the slave FIFO loop application. This shall be called
* whenever a RESET or DISCONNECT event is received from the USB host. The
* endpoints are disabled and the DMA pipe is destroyed by this function. */
static void NuandRFLinkStop (void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
CyU3PGpioSetValue(GPIO_SYS_RST, CyTrue);
CyU3PGpioSetValue(GPIO_RX_EN, CyFalse);
CyU3PGpioSetValue(GPIO_TX_EN, CyFalse);
/* Flush endpoint memory buffers */
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_PRODUCER);
CyU3PUsbFlushEp(BLADE_RF_SAMPLE_EP_CONSUMER);
/* Destroy the channels */
CyU3PDmaChannelDestroy(&glChHandleUtoP);
if (!loopback_when_created)
CyU3PDmaChannelDestroy(&glChHandlePtoU);
/* Disable endpoints. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Disable producer endpoint */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Disable consumer endpoint */
apiRetStatus = CyU3PSetEpConfig(BLADE_RF_SAMPLE_EP_CONSUMER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "CyU3PSetEpConfig failed, Error code = %d\n", apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
/* Reset the GPIF */
apiRetStatus = NuandConfigureGpif(GPIF_CONFIG_DISABLED);
if (apiRetStatus != CY_U3P_SUCCESS) {
CyU3PDebugPrint(4, "Failed to deinitialize GPIF. Error code = %d\n",
apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
UartBridgeStop();
NuandAllowSuspend(CyTrue);
glAppMode = MODE_NO_CONFIG;
}
static CyU3PReturnStatus_t
CyFxGpifAppCreateDmaChannels (
void)
{
CyU3PDmaChannelConfig_t dmaConfig;
CyU3PReturnStatus_t status;
/* Create DMA channels for the read and write data paths. */
dmaConfig.size = CYFXSTORAPP_DMA_BUFSIZE;
dmaConfig.count = CYFXSTORAPP_DMA_BUFCOUNT;
dmaConfig.prodSckId = (CyU3PDmaSocketId_t)(CY_U3P_PIB_SOCKET_0 | CYFXSTORAPP_GPIF_WRSOCK);
dmaConfig.consSckId = (CyU3PDmaSocketId_t)(CY_U3P_SIB_SOCKET_0 | CYFXSTORAPP_SIB_WRSOCK);
dmaConfig.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaConfig.notification = 0;
dmaConfig.cb = 0;
dmaConfig.prodHeader = 0;
dmaConfig.prodFooter = 0;
dmaConfig.consHeader = 0;
dmaConfig.prodAvailCount = 0;
status = CyU3PDmaChannelCreate (&fxAppWriteChannel, CY_U3P_DMA_TYPE_AUTO, &dmaConfig);
if (status != CY_U3P_SUCCESS)
return status;
dmaConfig.prodSckId = (CyU3PDmaSocketId_t)(CY_U3P_SIB_SOCKET_0 | CYFXSTORAPP_SIB_RDSOCK);
dmaConfig.consSckId = (CyU3PDmaSocketId_t)(CY_U3P_PIB_SOCKET_0 | CYFXSTORAPP_GPIF_RDSOCK);
status = CyU3PDmaChannelCreate (&fxAppReadChannel, CY_U3P_DMA_TYPE_AUTO, &dmaConfig);
if (status != CY_U3P_SUCCESS)
CyU3PDmaChannelDestroy (&fxAppWriteChannel);
return status;
}
void NuandFpgaConfigStop(void)
{
CyU3PEpConfig_t epCfg;
CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
/* Abort and clear the channel */
CyU3PDmaChannelReset(&glChHandlebladeRFUtoP);
/* Flush the endpoint memory */
CyU3PUsbFlushEp(BLADE_FPGA_EP_PRODUCER);
/* Destroy the channel */
CyU3PDmaChannelDestroy(&glChHandlebladeRFUtoP);
/* Disable endpoints. */
CyU3PMemSet((uint8_t *)&epCfg, 0, sizeof (epCfg));
epCfg.enable = CyFalse;
/* Producer endpoint configuration. */
apiRetStatus = CyU3PSetEpConfig(BLADE_FPGA_EP_PRODUCER, &epCfg);
if (apiRetStatus != CY_U3P_SUCCESS) {
LOG_ERROR(apiRetStatus);
CyFxAppErrorHandler (apiRetStatus);
}
apiRetStatus = NuandConfigureGpif(GPIF_CONFIG_DISABLED);
if (apiRetStatus != CY_U3P_SUCCESS) {
LOG_ERROR(apiRetStatus);
CyFxAppErrorHandler(apiRetStatus);
}
NuandAllowSuspend(CyTrue);
glAppMode = MODE_NO_CONFIG;
CyU3PGpioSetValue(GPIO_SYS_RST, CyTrue);
}
/* Disables the mouse driver. */
void
CyFxMouseDriverDeInit ()
{
/* Destroy the DMA channel. */
CyU3PDmaChannelDestroy (&glHostMouseCh);
if (glHostMouseEp != 0)
{
CyU3PUsbHostEpRemove (glHostMouseEp);
glHostMouseEp = 0;
}
}
/* Initalizes the mouse driver. */
CyU3PReturnStatus_t
CyFxMouseDriverInit ()
{
uint16_t length, size, interval;
CyU3PReturnStatus_t status;
CyU3PUsbHostEpConfig_t epCfg;
CyU3PDmaChannelConfig_t dmaCfg;
/* Read first four bytes of configuration descriptor to determine
* the total length. */
status = CyFxSendSetupRqt (0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, 4, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the length of the data received. */
length = CY_U3P_MAKEWORD(glEp0Buffer[3], glEp0Buffer[2]);
if (length > CY_FX_HOST_EP0_BUFFER_SIZE)
{
goto enum_error;
}
/* Read the full configuration descriptor. */
status = CyFxSendSetupRqt (0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, length, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Save the required information. */
glHostMouseEp = glEp0Buffer[29];
size = CY_U3P_MAKEWORD(glEp0Buffer[32], glEp0Buffer[31]);
interval = glEp0Buffer[33];
/* Set the new configuration. */
status = CyFxSendSetupRqt (0x00, CY_U3P_USB_SC_SET_CONFIGURATION, 1, 0, 0, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Set the report mode to idle so that report is sent only
* when there is active data. */
status = CyFxSendSetupRqt (0x21, 0x0A, 0, 0, 0, glEp0Buffer);
#if 0 /* It does not matter even if the request gets stalled. */
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
#endif
/* Initialize the HID mouse. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof(epCfg));
epCfg.type = CY_U3P_USB_EP_INTR;
epCfg.mult = 1;
epCfg.maxPktSize = size;
interval = (1 << (interval - 1)) / 8;
if (interval > 255)
{
interval = 255;
}
epCfg.pollingRate = interval;
/* Since DMA buffer sizes can only be multiple of 16 bytes and
* also since this is an interrupt endpoint where the max data
* packet size is same as the maxPktSize field, the fullPktSize
* has to be a multiple of 16 bytes. */
size = ((size + 0x0F) & ~0x0F);
epCfg.fullPktSize = size;
/* Since the IN token has to be sent out continously, it
* is easier to enable the stream mode. Otherwise we will
* have to maintain the timing. */
epCfg.isStreamMode = CyTrue;
status = CyU3PUsbHostEpAdd (glHostMouseEp, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Create a DMA channel for this EP. */
CyU3PMemSet ((uint8_t *)&dmaCfg, 0, sizeof(dmaCfg));
dmaCfg.size = size;
dmaCfg.count = CY_FX_HOST_DMA_BUF_COUNT;
dmaCfg.prodSckId = (CyU3PDmaSocketId_t)(CY_U3P_UIB_SOCKET_PROD_0 + (0x0F & glHostMouseEp));
dmaCfg.consSckId = CY_U3P_CPU_SOCKET_CONS;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = CY_U3P_DMA_CB_PROD_EVENT;
dmaCfg.cb = CyFxMouseDmaCb;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = 0;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
status = CyU3PDmaChannelCreate (&glHostMouseCh, CY_U3P_DMA_TYPE_MANUAL_IN, &dmaCfg);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
/* Enable EP transfer. In stream mode, the transfer size should be zero. */
status = CyU3PUsbHostEpSetXfer (glHostMouseEp, CY_U3P_USB_HOST_EPXFER_NORMAL, 0);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
/* Set for infinite transfer. */
status = CyU3PDmaChannelSetXfer (&glHostMouseCh, 0);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
CyU3PDebugPrint (4, "USB HID Mouse driver initialized successfully.\r\n");
return CY_U3P_SUCCESS;
app_error:
CyU3PDmaChannelDestroy (&glHostMouseCh);
if (glHostMouseEp != 0)
{
CyU3PUsbHostEpRemove (glHostMouseEp);
glHostMouseEp = 0;
}
enum_error:
return CY_U3P_ERROR_FAILURE;
}
CyU3PReturnStatus_t
CyFxMscDriverInit ()
{
uint8_t maxLun = 0, i, retry;
uint16_t length, size, offset;
CyU3PReturnStatus_t status;
CyU3PUsbHostEpConfig_t epCfg;
CyU3PDmaChannelConfig_t dmaCfg;
/* Read first four bytes of configuration descriptor to determine
* the total length. */
status = CyFxSendSetupRqt (0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, 4, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the length of the data received. */
length = CY_U3P_MAKEWORD(glEp0Buffer[3], glEp0Buffer[2]);
if (length > CY_FX_HOST_EP0_BUFFER_SIZE)
{
goto enum_error;
}
/* Read the full configuration descriptor. */
status = CyFxSendSetupRqt (0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, length, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the EP characteristics. */
offset = 0;
while (offset < length)
{
if (glEp0Buffer[offset + 1] == CY_U3P_USB_ENDPNT_DESCR)
{
if (glEp0Buffer[offset + 3] != CY_U3P_USB_EP_BULK)
{
goto enum_error;
}
/* Retreive the information. */
glMscEpSize = CY_U3P_MAKEWORD(glEp0Buffer[offset + 5],
glEp0Buffer[offset + 4]);
if (glEp0Buffer[offset + 2] & 0x80)
{
glMscInEp = glEp0Buffer[offset + 2];
}
else
{
glMscOutEp = glEp0Buffer[offset + 2];
}
}
/* Advance to next descriptor. */
offset += glEp0Buffer[offset];
}
/* Set the new configuration. */
status = CyFxSendSetupRqt (0x00, CY_U3P_USB_SC_SET_CONFIGURATION,
1, 0, 0, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the number of LUNs available.
* We will use only the first available LUN. */
status = CyFxSendSetupRqt (0xA1, CY_FX_MSC_GET_MAX_LUN,
0, 0, 1, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
maxLun = glEp0Buffer[0];
/* Add the IN endpoint. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof(epCfg));
epCfg.type = CY_U3P_USB_EP_BULK;
epCfg.mult = 1;
epCfg.maxPktSize = glMscEpSize;
epCfg.pollingRate = 0;
/* Since DMA buffer sizes can only be multiple of 16 bytes and
* also since this is an interrupt endpoint where the max data
* packet size is same as the maxPktSize field, the fullPktSize
* has to be a multiple of 16 bytes. */
size = ((glMscEpSize + 0x0F) & ~0x0F);
epCfg.fullPktSize = size;
epCfg.isStreamMode = CyFalse;
status = CyU3PUsbHostEpAdd (glMscInEp, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Add the OUT EP. */
status = CyU3PUsbHostEpAdd (glMscOutEp, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Create a DMA channel for IN EP. */
CyU3PMemSet ((uint8_t *)&dmaCfg, 0, sizeof(dmaCfg));
dmaCfg.size = glMscEpSize;
dmaCfg.count = 0;
dmaCfg.prodSckId = (CyU3PDmaSocketId_t)(CY_U3P_UIB_SOCKET_PROD_0 + (0x0F & glMscInEp));
dmaCfg.consSckId = CY_U3P_CPU_SOCKET_CONS;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = 0;
dmaCfg.cb = NULL;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = 0;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
status = CyU3PDmaChannelCreate (&glMscInCh, CY_U3P_DMA_TYPE_MANUAL_IN, &dmaCfg);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
/* Create a DMA channel for OUT EP. */
dmaCfg.prodSckId = CY_U3P_CPU_SOCKET_PROD;
dmaCfg.consSckId = (CyU3PDmaSocketId_t)(CY_U3P_UIB_SOCKET_CONS_0 + (0x0F & glMscOutEp));
status = CyU3PDmaChannelCreate (&glMscOutCh, CY_U3P_DMA_TYPE_MANUAL_OUT, &dmaCfg);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
for (retry = 0; retry < CY_FX_MSC_MAX_RETRY; retry++)
{
/* Give some time for the device to initialize. */
CyU3PThreadSleep (1000);
for (i = 0; i <= maxLun; i++)
{
/* Check if the unit is ready. */
status = CyFxMscTestUnitReady (maxLun);
if (status == CY_U3P_SUCCESS)
{
glMscTestLun = i;
break;
}
}
if (status == CY_U3P_SUCCESS)
{
break;
}
}
if (status != CY_U3P_SUCCESS)
{
glMscTestLun = 0;
goto app_error;
}
/* Read the device capacity. */
status = CyFxMscReadCapacity (glMscTestLun);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
glMscIsActive = CyTrue;
return status;
app_error:
CyU3PDmaChannelDestroy (&glMscInCh);
if (glMscInEp != 0)
{
CyU3PUsbHostEpRemove (glMscInEp);
glMscInEp = 0;
}
CyU3PDmaChannelDestroy (&glMscOutCh);
if (glMscOutEp != 0)
{
CyU3PUsbHostEpRemove (glMscOutEp);
glMscOutEp = 0;
}
glMscEpSize = 0;
glMscSectorSize = 0;
glMscCapacity = 0;
glMscTestLun = 0;
glMscTestSector = 0;
glTimerCount = 0;
enum_error:
return CY_U3P_ERROR_FAILURE;
}
/* This function will be called periodically from
* the application thread. If there is a change in
* the peripheral status, this function will start
* or stop the application accordingly. */
void
CyFxUsbHostDoWork ()
{
uint32_t upTime = 0, epStatus = 0;
static CyBool_t isPresent = CyFalse;
CyU3PReturnStatus_t status = CY_U3P_SUCCESS;
static uint32_t rxCount = 0;
static uint32_t txCount = 0;
if (isPresent != glIsPeripheralPresent)
{
if (glDoHnp)
{
/* Complete the HNP. */
CyFxHostHnp ();
glDoHnp = CyFalse;
}
else
{
/* Stop previously started application. */
if (glIsApplnActive)
{
CyFxApplnStop ();
}
/* If a peripheral got connected, then enumerate
* and start the application. */
if (glIsPeripheralPresent)
{
status = CyU3PUsbHostPortEnable ();
if (status == CY_U3P_SUCCESS)
{
CyFxApplnStart ();
}
}
}
/* Update the state variable. */
isPresent = glIsPeripheralPresent;
}
if (glIsApplnActive)
{
if ((rxCount != glDMARxCount) || (txCount != glDMATxCount))
{
CyU3PDebugPrint (4, "Host mode: transferred %d buffers, received %d buffers.\r\n",
glDMATxCount, glDMARxCount);
rxCount = glDMARxCount;
txCount = glDMATxCount;
}
/* OTG status polling. */
upTime = glTimerCount * CY_FX_OTG_POLL_INTERVAL;
glTimerCount++;
if ((glIsHnpSupported) && ((upTime % CY_FX_OTG_STATUS_POLL_INTERVAL) == 0)
&& (!CyU3POtgIsHnpEnabled ()) && (!glIsHnp) && (!glDoHnp))
{
/* Get the OTG status. */
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_STATUS,
0, CY_U3P_USB_OTG_STATUS_SELECTOR, 1);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status == CY_U3P_SUCCESS)
{
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
}
/* Check if the session request flag is set. */
if ((status == CY_U3P_SUCCESS) && (glEp0Buffer[0] & 0x01))
{
/* Initiate the HNP process. */
CyFxFormatSetupRqt (glSetupPkt, 0x00, CY_U3P_USB_SC_SET_FEATURE,
CY_U3P_USB2_OTG_B_HNP_ENABLE, 0, 0);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status == CY_U3P_SUCCESS)
{
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
}
if (status == CY_U3P_SUCCESS)
{
glIsHnp = CyTrue;
/* Stop all active transfers. */
CyU3PDmaChannelDestroy (&glHostInCh);
if (glHostInEp != 0)
{
CyU3PUsbHostEpRemove (glHostInEp);
glHostInEp = 0;
}
CyU3PDmaChannelDestroy (&glHostOutCh);
if (glHostOutEp != 0)
{
CyU3PUsbHostEpRemove (glHostOutEp);
glHostOutEp = 0;
}
/* Remove EP0. and disable the port. */
CyU3PUsbHostEpRemove (0);
glHostEpSize = 0;
/* Suspend the USB bus and wait for the device to disconnect. */
status = CyU3PUsbHostPortSuspend ();
}
}
if (status != CY_U3P_SUCCESS)
{
glIsHnp = CyFalse;
glIsHnpSupported = CyFalse;
CyU3PUsbHostEpAbort (0);
CyU3PDebugPrint (4, "HNP disabled due to GET_STATUS failure.\r\n");
}
}
}
}
/* This function initializes the mouse driver application. */
static void
CyFxApplnStart ()
{
uint16_t length, size, offset;
CyU3PDmaBuffer_t buf_p;
CyU3PReturnStatus_t status;
CyU3PUsbHostEpConfig_t epCfg;
CyU3PDmaChannelConfig_t dmaCfg;
CyU3PUsbHostEpStatus_t epStatus;
/* Add EP0 to the scheduler. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof(epCfg));
epCfg.type = CY_U3P_USB_EP_CONTROL;
epCfg.mult = 1;
/* Start off with 8 byte EP0 packet size. */
epCfg.maxPktSize = 8;
epCfg.pollingRate = 0;
epCfg.fullPktSize = 8;
epCfg.isStreamMode = CyFalse;
status = CyU3PUsbHostEpAdd (0, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
CyU3PThreadSleep (100);
/* Get the device descriptor. */
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_DEVICE_DESCR << 8), 0, 8);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the EP0 packet size and update the scheduler. */
if (glEp0Buffer[7] != 8)
{
status = CyU3PUsbHostEpRemove (0);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Update the correct size. */
epCfg.maxPktSize = glEp0Buffer[7];
epCfg.fullPktSize = glEp0Buffer[7];
status = CyU3PUsbHostEpAdd (0, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
}
/* Read the full device descriptor. */
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_DEVICE_DESCR << 8), 0, 18);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Check for the VID and PID of the attached peripheral. */
if ((CY_U3P_MAKEWORD(glEp0Buffer[9], glEp0Buffer[8]) != CY_FX_HOST_PERIPHERAL_VID) ||
(CY_U3P_MAKEWORD(glEp0Buffer[11], glEp0Buffer[10]) != CY_FX_HOST_PERIPHERAL_PID))
{
status = CY_U3P_ERROR_NOT_SUPPORTED;
goto enum_error;
}
/* Check for device class, sub-class and protocol all of which has to be zero. */
if ((glEp0Buffer[4] != 0) || (glEp0Buffer[5] != 0) || (glEp0Buffer[6] != 0))
{
status = CY_U3P_ERROR_NOT_SUPPORTED;
goto enum_error;
}
/* Set the peripheral device address. */
CyFxFormatSetupRqt (glSetupPkt, 0x00, CY_U3P_USB_SC_SET_ADDRESS,
CY_FX_HOST_PERIPHERAL_ADDRESS, 0, 0);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostSetDeviceAddress (CY_FX_HOST_PERIPHERAL_ADDRESS);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Read the OTG descriptor to identify its characteristics.
* Do this only if we are not already in role change. */
glIsHnpSupported = CyFalse;
if (!CyU3POtgIsHnpEnabled ())
{
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_OTG_DESCR << 8), 0, 5);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
/* If the device does not support OTG, the request will be stalled. */
if ((status == CY_U3P_SUCCESS) && (glEp0Buffer[2] & 0x02))
{
/* Let the device know that the host is HNP capable. */
CyFxFormatSetupRqt (glSetupPkt, 0x00, CY_U3P_USB_SC_SET_FEATURE,
CY_U3P_USB2_OTG_A_HNP_SUPPORT, 0, 0);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
}
if (status == CY_U3P_SUCCESS)
{
glIsHnpSupported = CyTrue;
}
}
/* Read first four bytes of configuration descriptor to determine
* the total length. */
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, 4);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Identify the length of the data received. */
length = CY_U3P_MAKEWORD(glEp0Buffer[3], glEp0Buffer[2]);
if (length > CY_FX_HOST_EP0_BUFFER_SIZE)
{
goto enum_error;
}
/* Read the full configuration descriptor. */
CyFxFormatSetupRqt (glSetupPkt, 0x80, CY_U3P_USB_SC_GET_DESCRIPTOR,
(CY_U3P_USB_CONFIG_DESCR << 8), 0, length);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Check if the device can be supported. Number of interfaces should be 1,
* the intreface class must be vendor (0xFF) and the subclass and protocol
* must be zero. The number of endpoints must be two. Also the endpoints
* should be bulk. */
if ((glEp0Buffer[5] != 1) || (glEp0Buffer[14] != 0xFF) ||
(glEp0Buffer[15] != 0x00) || (glEp0Buffer[16] != 0x00) ||
(glEp0Buffer[13] != 2))
{
status = CY_U3P_ERROR_NOT_SUPPORTED;
goto enum_error;
}
/* Identify the EP characteristics. */
offset = 0;
while (offset < length)
{
if (glEp0Buffer[offset + 1] == CY_U3P_USB_ENDPNT_DESCR)
{
if (glEp0Buffer[offset + 3] != CY_U3P_USB_EP_BULK)
{
status = CY_U3P_ERROR_NOT_SUPPORTED;
goto enum_error;
}
/* Retreive the information. */
glHostEpSize = CY_U3P_MAKEWORD(glEp0Buffer[offset + 5],
glEp0Buffer[offset + 4]);
if (glEp0Buffer[offset + 2] & 0x80)
{
glHostInEp = glEp0Buffer[offset + 2];
}
else
{
glHostOutEp = glEp0Buffer[offset + 2];
}
}
/* Advance to next descriptor. */
offset += glEp0Buffer[offset];
}
/* If there is any error in the configuration abort. */
if ((glHostOutEp == 0) || (glHostInEp == 0))
{
status = CY_U3P_ERROR_NOT_SUPPORTED;
goto enum_error;
}
/* Set the new configuration. */
CyFxFormatSetupRqt (glSetupPkt, 0x00, CY_U3P_USB_SC_SET_CONFIGURATION, 1, 0, 0);
status = CyU3PUsbHostSendSetupRqt (glSetupPkt, glEp0Buffer);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpWaitForCompletion (0, &epStatus,
CY_FX_HOST_EP0_WAIT_TIMEOUT);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
/* Initialize the loopback application. */
CyU3PMemSet ((uint8_t *)&epCfg, 0, sizeof(epCfg));
epCfg.type = CY_U3P_USB_EP_BULK;
epCfg.mult = 1;
epCfg.maxPktSize = glHostEpSize;
epCfg.pollingRate = 0;
size = ((glHostEpSize + 0x0F) & ~0x0F);
epCfg.fullPktSize = glHostEpSize;
epCfg.isStreamMode = CyFalse;
status = CyU3PUsbHostEpAdd (glHostOutEp, &epCfg);
if (status != CY_U3P_SUCCESS)
{
goto enum_error;
}
status = CyU3PUsbHostEpAdd (glHostInEp, &epCfg);
if (status != CY_U3P_SUCCESS)
{
glHostInEp = 0;
goto app_error;
}
/* Reset counter to zero. */
glDMARxCount = 0;
glDMATxCount = 0;
/* Create a DMA channels for IN and OUT directions. */
CyU3PMemSet ((uint8_t *)&dmaCfg, 0, sizeof(dmaCfg));
dmaCfg.size = size;
dmaCfg.count = CY_FX_HOST_DMA_BUF_COUNT;
dmaCfg.prodHeader = 0;
dmaCfg.prodFooter = 0;
dmaCfg.consHeader = 0;
dmaCfg.prodAvailCount = 0;
dmaCfg.prodSckId = (CyU3PDmaSocketId_t)(CY_U3P_UIB_SOCKET_PROD_0 + (0x0F & glHostInEp));
dmaCfg.consSckId = CY_U3P_CPU_SOCKET_CONS;
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = CY_U3P_DMA_CB_PROD_EVENT;
dmaCfg.cb = CyFxHostDmaCb;
status = CyU3PDmaChannelCreate (&glHostInCh, CY_U3P_DMA_TYPE_MANUAL_IN, &dmaCfg);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
dmaCfg.prodSckId = CY_U3P_CPU_SOCKET_PROD;
dmaCfg.consSckId = (CyU3PDmaSocketId_t)(CY_U3P_UIB_SOCKET_CONS_0 + (0x0F & glHostOutEp));
dmaCfg.dmaMode = CY_U3P_DMA_MODE_BYTE;
dmaCfg.notification = CY_U3P_DMA_CB_CONS_EVENT;
dmaCfg.cb = CyFxHostDmaCb;
status = CyU3PDmaChannelCreate (&glHostOutCh, CY_U3P_DMA_TYPE_MANUAL_OUT, &dmaCfg);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
/* Set infinite transfer on both the channels. */
status = CyU3PDmaChannelSetXfer (&glHostInCh, 0);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
status = CyU3PDmaChannelSetXfer (&glHostOutCh, 0);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
/* Pre-load all OUT buffers with fixed data. */
for (offset = 0; offset < CY_FX_HOST_DMA_BUF_COUNT; offset++)
{
status = CyU3PDmaChannelGetBuffer (&glHostOutCh, &buf_p, CYU3P_NO_WAIT);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
CyU3PMemSet (buf_p.buffer, (uint8_t)CY_FX_HOST_DATA_BYTE, glHostEpSize);
status = CyU3PDmaChannelCommitBuffer (&glHostOutCh, glHostEpSize, 0);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
}
/* Queue a single read and single write request. */
status = CyU3PUsbHostEpSetXfer (glHostInEp, CY_U3P_USB_HOST_EPXFER_NORMAL, glHostEpSize);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
status = CyU3PUsbHostEpSetXfer (glHostOutEp, CY_U3P_USB_HOST_EPXFER_NORMAL, glHostEpSize);
if (status != CY_U3P_SUCCESS)
{
goto app_error;
}
glTimerCount = 0;
glIsApplnActive = CyTrue;
glIsHnp = CyFalse;
glDoHnp = CyFalse;
if (glIsHnpSupported)
{
CyU3PDebugPrint (4, "USB bulk loopback host mode operation started with HNP enabled.\r\n");
}
else
{
CyU3PDebugPrint (4, "USB bulk loopback host mode operation started with HNP disabled.\r\n");
}
return;
app_error:
CyU3PDmaChannelDestroy (&glHostInCh);
if (glHostInEp != 0)
{
CyU3PUsbHostEpRemove (glHostInEp);
glHostInEp = 0;
}
CyU3PDmaChannelDestroy (&glHostOutCh);
if (glHostOutEp != 0)
{
CyU3PUsbHostEpRemove (glHostOutEp);
glHostOutEp = 0;
}
enum_error:
/* Remove EP0. and disable the port. */
CyU3PUsbHostEpRemove (0);
glHostEpSize = 0;
CyU3PUsbHostPortDisable ();
CyU3PDebugPrint (4, "Host mode application start failed with error: %d.\r\n", status);
}
