mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-04-19 21:11:57 -04:00
Remove compiler warnings.
This commit is contained in:
Richard Barry
parent
e9830a7ee3
commit
790bacc8f2
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@ -1,5 +1,5 @@
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/*
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LPCUSB, an USB device driver for LPC microcontrollers
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LPCUSB, an USB device driver for LPC microcontrollers
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Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
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Redistribution and use in source and binary forms, with or without
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@ -16,7 +16,7 @@
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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@ -46,6 +46,7 @@
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*/
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include <stdio.h>
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@ -186,7 +187,7 @@ static const unsigned char abDescriptors[] = {
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0x02, // bmAttributes = bulk
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LE_WORD(MAX_PACKET_SIZE), // wMaxPacketSize
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0x00, // bInterval
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// string descriptors
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0x04,
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DESC_STRING,
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@ -211,7 +212,7 @@ static const unsigned char abDescriptors[] = {
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/**
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Local function to handle incoming bulk data
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@param [in] bEP
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@param [in] bEPStatus
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*/
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@ -221,21 +222,21 @@ static void BulkOut(unsigned char bEP, unsigned char bEPStatus)
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long lHigherPriorityTaskWoken = pdFALSE;
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( void ) bEPStatus;
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// get data from USB into intermediate buffer
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iLen = USBHwEPRead(bEP, abBulkBuf, sizeof(abBulkBuf));
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for (i = 0; i < iLen; i++) {
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// put into queue
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xQueueSendFromISR( xRxedChars, &( abBulkBuf[ i ] ), &lHigherPriorityTaskWoken );
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xQueueSendFromISR( xRxedChars, &( abBulkBuf[ i ] ), &lHigherPriorityTaskWoken );
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}
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portEND_SWITCHING_ISR( lHigherPriorityTaskWoken );
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}
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/**
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Local function to handle outgoing bulk data
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@param [in] bEP
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@param [in] bEPStatus
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*/
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@ -245,7 +246,7 @@ static void BulkIn(unsigned char bEP, unsigned char bEPStatus)
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long lHigherPriorityTaskWoken = pdFALSE;
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( void ) bEPStatus;
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if (uxQueueMessagesWaitingFromISR( xCharsForTx ) == 0) {
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// no more data, disable further NAK interrupts until next USB frame
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USBHwNakIntEnable(0);
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@ -260,19 +261,19 @@ static void BulkIn(unsigned char bEP, unsigned char bEPStatus)
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}
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}
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iLen = i;
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// send over USB
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if (iLen > 0) {
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USBHwEPWrite(bEP, abBulkBuf, iLen);
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}
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portEND_SWITCHING_ISR( lHigherPriorityTaskWoken );
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}
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/**
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Local function to handle the USB-CDC class requests
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@param [in] pSetup
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@param [out] piLen
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@param [out] ppbData
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@ -315,7 +316,7 @@ DBG("SET_CONTROL_LINE_STATE %X\n", pSetup->wValue);
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/**
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Writes one character to VCOM port
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@param [in] c character to write
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@returns character written, or EOF if character could not be written
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*/
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@ -336,13 +337,13 @@ char cc = ( char ) c;
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/**
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Reads one character from VCOM port
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@returns character read, or EOF if character could not be read
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*/
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int VCOM_getchar(void)
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{
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unsigned char c;
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/* Block the task until a character is available. */
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xQueueReceive( xRxedChars, &c, portMAX_DELAY );
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return c;
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@ -351,7 +352,7 @@ int VCOM_getchar(void)
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/**
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Interrupt handler
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Simply calls the USB ISR
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*/
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//void USBIntHandler(void)
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@ -364,7 +365,7 @@ void USB_IRQHandler(void)
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static void USBFrameHandler(unsigned short wFrame)
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{
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( void ) wFrame;
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if( uxQueueMessagesWaitingFromISR( xCharsForTx ) > 0 )
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{
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// data available, enable NAK interrupt on bulk in
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@ -398,7 +399,7 @@ unsigned long CPUcpsie(void)
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void vUSBTask( void *pvParameters )
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{
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int c;
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/* Just to prevent compiler warnings about the unused parameter. */
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( void ) pvParameters;
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DBG("Initialising USB stack\n");
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@ -412,8 +413,8 @@ void vUSBTask( void *pvParameters )
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anything so just delete ourselves. */
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vTaskDelete( NULL );
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}
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// initialise stack
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USBInit();
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@ -427,7 +428,7 @@ void vUSBTask( void *pvParameters )
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USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
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USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
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USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);
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// register frame handler
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USBHwRegisterFrameHandler(USBFrameHandler);
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@ -438,9 +439,9 @@ void vUSBTask( void *pvParameters )
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NVIC_SetPriority( USB_IRQn, configUSB_INTERRUPT_PRIORITY );
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NVIC_EnableIRQ( USB_IRQn );
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// connect to bus
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DBG("Connecting to USB bus\n");
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USBHwConnect(TRUE);
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@ -448,7 +449,7 @@ void vUSBTask( void *pvParameters )
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for( ;; )
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{
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c = VCOM_getchar();
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if (c != EOF)
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if (c != EOF)
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{
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// Echo character back with INCREMENT_ECHO_BY offset, so for example if
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// INCREMENT_ECHO_BY is 1 and 'A' is received, 'B' will be echoed back.
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@ -1,5 +1,5 @@
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/*
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LPCUSB, an USB device driver for LPC microcontrollers
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LPCUSB, an USB device driver for LPC microcontrollers
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Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
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Redistribution and use in source and binary forms, with or without
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@ -16,7 +16,7 @@
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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@ -28,10 +28,10 @@
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/** @file
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Control transfer handler.
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This module handles control transfers and is normally installed on the
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endpoint 0 callback.
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Control transfers can be of the following type:
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0 Standard;
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1 Class;
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@ -72,11 +72,11 @@ static unsigned char *apbDataStore[4] = {NULL, NULL, NULL, NULL};
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/**
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Local function to handle a request by calling one of the installed
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request handlers.
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In case of data going from host to device, the data is at *ppbData.
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In case of data going from device to host, the handler can either
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choose to write its data at *ppbData or update the data pointer.
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@param [in] pSetup The setup packet
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@param [in,out] *piLen Pointer to data length
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@param [in,out] ppbData Data buffer.
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@ -87,7 +87,7 @@ static BOOL _HandleRequest(TSetupPacket *pSetup, int *piLen, unsigned char **ppb
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{
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TFnHandleRequest *pfnHandler;
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int iType;
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iType = REQTYPE_GET_TYPE(pSetup->bmRequestType);
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pfnHandler = apfnReqHandlers[iType];
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if (pfnHandler == NULL) {
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@ -101,7 +101,7 @@ static BOOL _HandleRequest(TSetupPacket *pSetup, int *piLen, unsigned char **ppb
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/**
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Local function to stall the control endpoint
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@param [in] bEPStat Endpoint status
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*/
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static void StallControlPipe(unsigned char bEPStat)
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@ -109,6 +109,7 @@ static void StallControlPipe(unsigned char bEPStat)
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unsigned char *pb;
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int i;
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( void ) bEPStat;
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USBHwEPStall(0x80, TRUE);
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// dump setup packet
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@ -188,7 +189,7 @@ void USBHandleControlTransfer(unsigned char bEP, unsigned char bEPStat)
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DataIn();
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}
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}
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else {
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else {
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if (iResidue > 0) {
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// store data
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iChunk = USBHwEPRead(0x00, pbData, iResidue);
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@ -231,7 +232,7 @@ void USBHandleControlTransfer(unsigned char bEP, unsigned char bEPStat)
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/**
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Registers a callback for handling requests
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@param [in] iType Type of request, e.g. REQTYPE_TYPE_STANDARD
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@param [in] *pfnHandler Callback function pointer
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@param [in] *pbDataStore Data storage area for this type of request
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@ -1,5 +1,5 @@
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/*
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LPCUSB, an USB device driver for LPC microcontrollers
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LPCUSB, an USB device driver for LPC microcontrollers
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Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
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Redistribution and use in source and binary forms, with or without
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@ -16,7 +16,7 @@
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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@ -28,11 +28,11 @@
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/** @file
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Standard request handler.
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This modules handles the 'chapter 9' processing, specifically the
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standard device requests in table 9-3 from the universal serial bus
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specification revision 2.0
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Specific types of devices may specify additional requests (for example
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HID devices add a GET_DESCRIPTOR request for interfaces), but they
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will not be part of this module.
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@ -40,7 +40,7 @@
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@todo some requests have to return a request error if device not configured:
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@todo GET_INTERFACE, GET_STATUS, SET_INTERFACE, SYNCH_FRAME
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@todo this applies to the following if endpoint != 0:
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@todo SET_FEATURE, GET_FEATURE
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@todo SET_FEATURE, GET_FEATURE
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*/
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#include "usbdebug.h"
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@ -52,11 +52,11 @@
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/* general descriptor field offsets */
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#define DESC_bLength 0 /**< length offset */
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#define DESC_bDescriptorType 1 /**< descriptor type offset */
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#define DESC_bDescriptorType 1 /**< descriptor type offset */
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/* config descriptor field offsets */
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#define CONF_DESC_wTotalLength 2 /**< total length offset */
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#define CONF_DESC_bConfigurationValue 5 /**< configuration value offset */
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#define CONF_DESC_bConfigurationValue 5 /**< configuration value offset */
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#define CONF_DESC_bmAttributes 7 /**< configuration characteristics */
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/* interface descriptor field offsets */
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@ -90,12 +90,12 @@ void USBRegisterDescriptors(const unsigned char *pabDescriptors)
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/**
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Parses the list of installed USB descriptors and attempts to find
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the specified USB descriptor.
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@param [in] wTypeIndex Type and index of the descriptor
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@param [in] wLangID Language ID of the descriptor (currently unused)
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@param [out] *piLen Descriptor length
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@param [out] *ppbData Descriptor data
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@return TRUE if the descriptor was found, FALSE otherwise
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*/
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BOOL USBGetDescriptor(unsigned short wTypeIndex, unsigned short wLangID, int *piLen, unsigned char **ppbData)
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@ -103,15 +103,16 @@ BOOL USBGetDescriptor(unsigned short wTypeIndex, unsigned short wLangID, int *pi
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unsigned char bType, bIndex;
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unsigned char *pab;
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int iCurIndex;
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( void ) wLangID;
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ASSERT(pabDescrip != NULL);
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bType = GET_DESC_TYPE(wTypeIndex);
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bIndex = GET_DESC_INDEX(wTypeIndex);
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pab = (unsigned char *)pabDescrip;
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iCurIndex = 0;
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while (pab[DESC_bLength] != 0) {
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if (pab[DESC_bDescriptorType] == bType) {
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if (iCurIndex == bIndex) {
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@ -144,12 +145,12 @@ BOOL USBGetDescriptor(unsigned short wTypeIndex, unsigned short wLangID, int *pi
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Configures the device according to the specified configuration index and
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alternate setting by parsing the installed USB descriptor list.
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A configuration index of 0 unconfigures the device.
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@param [in] bConfigIndex Configuration index
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@param [in] bAltSetting Alternate setting number
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@todo function always returns TRUE, add stricter checking?
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@return TRUE if successfully configured, FALSE otherwise
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*/
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static BOOL USBSetConfiguration(unsigned char bConfigIndex, unsigned char bAltSetting)
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@ -158,7 +159,7 @@ static BOOL USBSetConfiguration(unsigned char bConfigIndex, unsigned char bAltSe
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unsigned char bCurConfig, bCurAltSetting;
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unsigned char bEP;
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unsigned short wMaxPktSize;
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ASSERT(pabDescrip != NULL);
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if (bConfigIndex == 0) {
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@ -203,7 +204,7 @@ static BOOL USBSetConfiguration(unsigned char bConfigIndex, unsigned char bAltSe
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// skip to next descriptor
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pab += pab[DESC_bLength];
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}
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// configure device
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USBHwConfigDevice(TRUE);
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}
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@ -214,7 +215,7 @@ static BOOL USBSetConfiguration(unsigned char bConfigIndex, unsigned char bAltSe
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/**
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Local function to handle a standard device request
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@param [in] pSetup The setup packet
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@param [in,out] *piLen Pointer to data length
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@param [in,out] ppbData Data buffer.
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|
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@ -226,7 +227,7 @@ static BOOL HandleStdDeviceReq(TSetupPacket *pSetup, int *piLen, unsigned char *
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unsigned char *pbData = *ppbData;
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switch (pSetup->bRequest) {
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case REQ_GET_STATUS:
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// bit 0: self-powered
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// bit 1: remote wakeup = not supported
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@ -234,7 +235,7 @@ static BOOL HandleStdDeviceReq(TSetupPacket *pSetup, int *piLen, unsigned char *
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pbData[1] = 0;
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*piLen = 2;
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break;
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case REQ_SET_ADDRESS:
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USBHwSetAddress(pSetup->wValue);
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break;
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@ -255,7 +256,7 @@ static BOOL HandleStdDeviceReq(TSetupPacket *pSetup, int *piLen, unsigned char *
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return FALSE;
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}
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// configuration successful, update current configuration
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bConfiguration = pSetup->wValue & 0xFF;
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bConfiguration = pSetup->wValue & 0xFF;
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break;
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case REQ_CLEAR_FEATURE:
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|
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@ -276,14 +277,14 @@ static BOOL HandleStdDeviceReq(TSetupPacket *pSetup, int *piLen, unsigned char *
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DBG("Illegal device req %d\n", pSetup->bRequest);
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return FALSE;
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}
|
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|
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|
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return TRUE;
|
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}
|
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|
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|
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/**
|
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Local function to handle a standard interface request
|
||||
|
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|
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@param [in] pSetup The setup packet
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@param [in,out] *piLen Pointer to data length
|
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@param [in] ppbData Data buffer.
|
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|
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@ -307,13 +308,13 @@ static BOOL HandleStdInterfaceReq(TSetupPacket *pSetup, int *piLen, unsigned cha
|
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case REQ_SET_FEATURE:
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// not defined for interface
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return FALSE;
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|
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|
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case REQ_GET_INTERFACE: // TODO use bNumInterfaces
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// there is only one interface, return n-1 (= 0)
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pbData[0] = 0;
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*piLen = 1;
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break;
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|
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case REQ_SET_INTERFACE: // TODO use bNumInterfaces
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// there is only one interface (= 0)
|
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if (pSetup->wValue != 0) {
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|
|
@ -333,7 +334,7 @@ static BOOL HandleStdInterfaceReq(TSetupPacket *pSetup, int *piLen, unsigned cha
|
|||
|
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/**
|
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Local function to handle a standard endpoint request
|
||||
|
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|
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@param [in] pSetup The setup packet
|
||||
@param [in,out] *piLen Pointer to data length
|
||||
@param [in] ppbData Data buffer.
|
||||
|
|
@ -351,7 +352,7 @@ static BOOL HandleStdEndPointReq(TSetupPacket *pSetup, int *piLen, unsigned char
|
|||
pbData[1] = 0;
|
||||
*piLen = 2;
|
||||
break;
|
||||
|
||||
|
||||
case REQ_CLEAR_FEATURE:
|
||||
if (pSetup->wValue == FEA_ENDPOINT_HALT) {
|
||||
// clear HALT by unstalling
|
||||
|
|
@ -360,7 +361,7 @@ static BOOL HandleStdEndPointReq(TSetupPacket *pSetup, int *piLen, unsigned char
|
|||
}
|
||||
// only ENDPOINT_HALT defined for endpoints
|
||||
return FALSE;
|
||||
|
||||
|
||||
case REQ_SET_FEATURE:
|
||||
if (pSetup->wValue == FEA_ENDPOINT_HALT) {
|
||||
// set HALT by stalling
|
||||
|
|
@ -378,16 +379,16 @@ static BOOL HandleStdEndPointReq(TSetupPacket *pSetup, int *piLen, unsigned char
|
|||
DBG("Illegal EP req %d\n", pSetup->bRequest);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Default handler for standard ('chapter 9') requests
|
||||
|
||||
|
||||
If a custom request handler was installed, this handler is called first.
|
||||
|
||||
|
||||
@param [in] pSetup The setup packet
|
||||
@param [in,out] *piLen Pointer to data length
|
||||
@param [in] ppbData Data buffer.
|
||||
|
|
@ -400,7 +401,7 @@ BOOL USBHandleStandardRequest(TSetupPacket *pSetup, int *piLen, unsigned char **
|
|||
if ((pfnHandleCustomReq != NULL) && pfnHandleCustomReq(pSetup, piLen, ppbData)) {
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
switch (REQTYPE_GET_RECIP(pSetup->bmRequestType)) {
|
||||
case REQTYPE_RECIP_DEVICE: return HandleStdDeviceReq(pSetup, piLen, ppbData);
|
||||
case REQTYPE_RECIP_INTERFACE: return HandleStdInterfaceReq(pSetup, piLen, ppbData);
|
||||
|
|
@ -412,15 +413,15 @@ BOOL USBHandleStandardRequest(TSetupPacket *pSetup, int *piLen, unsigned char **
|
|||
|
||||
/**
|
||||
Registers a callback for custom device requests
|
||||
|
||||
|
||||
In USBHandleStandardRequest, the custom request handler gets a first
|
||||
chance at handling the request before it is handed over to the 'chapter 9'
|
||||
request handler.
|
||||
|
||||
|
||||
This can be used for example in HID devices, where a REQ_GET_DESCRIPTOR
|
||||
request is sent to an interface, which is not covered by the 'chapter 9'
|
||||
specification.
|
||||
|
||||
|
||||
@param [in] pfnHandler Callback function pointer
|
||||
*/
|
||||
void USBRegisterCustomReqHandler(TFnHandleRequest *pfnHandler)
|
||||
|
|
|
|||
Loading…
Reference in a new issue