USB device stack
Dependents: mbed-mX-USB-TEST1 USBMSD_SD_HID_HelloWorld HidTest MIDI_usb_bridge ... more
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Diff: USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/function/usb0_function_sub.c
- Revision:
- 46:378357d7e90d
- Parent:
- 35:a8484e16c2f3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/function/usb0_function_sub.c Tue Mar 31 16:15:39 2015 +0100 @@ -0,0 +1,453 @@ +/******************************************************************************* +* DISCLAIMER +* This software is supplied by Renesas Electronics Corporation and is only +* intended for use with Renesas products. No other uses are authorized. This +* software is owned by Renesas Electronics Corporation and is protected under +* all applicable laws, including copyright laws. +* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING +* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT +* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE +* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. +* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS +* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE +* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR +* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE +* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. +* Renesas reserves the right, without notice, to make changes to this software +* and to discontinue the availability of this software. By using this software, +* you agree to the additional terms and conditions found by accessing the +* following link: +* http://www.renesas.com/disclaimer +* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved. +*******************************************************************************/ +/******************************************************************************* +* File Name : usb0_function_sub.c +* $Rev: 1116 $ +* $Date:: 2014-07-09 16:29:19 +0900#$ +* Device(s) : RZ/A1H +* Tool-Chain : +* OS : None +* H/W Platform : +* Description : RZ/A1H R7S72100 USB Sample Program +* Operation : +* Limitations : +*******************************************************************************/ + + +/******************************************************************************* +Includes <System Includes> , "Project Includes" +*******************************************************************************/ +#include "usb0_function.h" + + +/******************************************************************************* +Typedef definitions +*******************************************************************************/ + + +/******************************************************************************* +Macro definitions +*******************************************************************************/ + + +/******************************************************************************* +Imported global variables and functions (from other files) +*******************************************************************************/ +#if 0 +extern const uint16_t *g_usb0_function_EndPntPtr[]; +extern uint8_t g_usb0_function_DeviceDescriptor[]; +extern uint8_t *g_usb0_function_ConfigurationPtr[]; +#endif + + +/******************************************************************************* +Exported global variables and functions (to be accessed by other files) +*******************************************************************************/ + + +/******************************************************************************* +Private global variables and functions +*******************************************************************************/ + + +/******************************************************************************* +* Function Name: usb0_function_ResetDCP +* Description : Initializes the default control pipe(DCP). +* Outline : Reset default control pipe +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_function_ResetDCP (void) +{ + USB200.DCPCFG = 0; +#if 0 + USB200.DCPMAXP = g_usb0_function_DeviceDescriptor[7]; +#else + USB200.DCPMAXP = 64; +#endif + + USB200.CFIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE); + USB200.D0FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE); + USB200.D1FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE); +} + +/******************************************************************************* +* Function Name: usb0_function_ResetEP +* Description : Initializes the end point. +* Arguments : uint16_t num ; Configuration Number +* Return Value : none +*******************************************************************************/ +#if 0 +void usb0_function_ResetEP (uint16_t num) +{ + uint16_t pipe; + uint16_t ep; + uint16_t index; + uint16_t buf; + uint16_t * tbl; + + tbl = (uint16_t *)(g_usb0_function_EndPntPtr[num - 1]); + + for (ep = 1; ep <= USB_FUNCTION_MAX_EP_NO; ++ep) + { + if (g_usb0_function_EPTableIndex[ep] != USB_FUNCTION_EP_ERROR) + { + index = (uint16_t)(USB_FUNCTION_EPTABLE_LENGTH * g_usb0_function_EPTableIndex[ep]); + pipe = (uint16_t)(tbl[index + 0] & USB_FUNCTION_BITCURPIPE); + + g_usb0_function_PipeTbl[pipe] = (uint16_t)( ((tbl[index + 1] & USB_FUNCTION_DIRFIELD) << 3) | + ep | + (tbl[index + 0] & USB_FUNCTION_FIFO_USE) ); + + if ((tbl[index + 1] & USB_FUNCTION_DIRFIELD) == USB_FUNCTION_DIR_P_OUT) + { + tbl[index + 1] |= USB_FUNCTION_SHTNAKON; +#ifdef __USB_DMA_BFRE_ENABLE__ + /* this routine cannnot be perfomred if read operation is executed in buffer size */ + if (((tbl[index + 0] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA) || + ((tbl[index + 0] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)) + { + tbl[index + 1] |= USB_FUNCTION_BFREON; + } +#endif + } + + /* Interrupt Disable */ + buf = USB200.BRDYENB; + buf &= (uint16_t)~g_usb0_function_bit_set[pipe]; + USB200.BRDYENB = buf; + buf = USB200.NRDYENB; + buf &= (uint16_t)~g_usb0_function_bit_set[pipe]; + USB200.NRDYENB = buf; + buf = USB200.BEMPENB; + buf &= (uint16_t)~g_usb0_function_bit_set[pipe]; + USB200.BEMPENB = buf; + + usb0_function_set_pid_nak(pipe); + + /* CurrentPIPE Clear */ + if (RZA_IO_RegRead_16(&USB200.CFIFOSEL, + USB_CFIFOSEL_CURPIPE_SHIFT, + USB_CFIFOSEL_CURPIPE) == pipe) + { + RZA_IO_RegWrite_16(&USB200.CFIFOSEL, + 0, + USB_CFIFOSEL_CURPIPE_SHIFT, + USB_CFIFOSEL_CURPIPE); + } + + if (RZA_IO_RegRead_16(&USB200.D0FIFOSEL, + USB_DnFIFOSEL_CURPIPE_SHIFT, + USB_DnFIFOSEL_CURPIPE) == pipe) + { + RZA_IO_RegWrite_16(&USB200.D0FIFOSEL, + 0, + USB_DnFIFOSEL_CURPIPE_SHIFT, + USB_DnFIFOSEL_CURPIPE); + } + + if (RZA_IO_RegRead_16(&USB200.D1FIFOSEL, + USB_DnFIFOSEL_CURPIPE_SHIFT, + USB_DnFIFOSEL_CURPIPE) == pipe) + { + RZA_IO_RegWrite_16(&USB200.D1FIFOSEL, + 0, + USB_DnFIFOSEL_CURPIPE_SHIFT, + USB_DnFIFOSEL_CURPIPE); + } + + /* PIPE Configuration */ + USB200.PIPESEL = pipe; + USB200.PIPECFG = tbl[index + 1]; + USB200.PIPEBUF = tbl[index + 2]; + USB200.PIPEMAXP = tbl[index + 3]; + USB200.PIPEPERI = tbl[index + 4]; + + g_usb0_function_pipecfg[pipe] = tbl[index + 1]; + g_usb0_function_pipebuf[pipe] = tbl[index + 2]; + g_usb0_function_pipemaxp[pipe] = tbl[index + 3]; + g_usb0_function_pipeperi[pipe] = tbl[index + 4]; + + /* Buffer Clear */ + usb0_function_set_sqclr(pipe); + usb0_function_aclrm(pipe); + + /* init Global */ + g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE; + g_usb0_function_PipeDataSize[pipe] = 0; + } + } +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_EpToPipe +* Description : Returns the pipe which end point specified by the argument is +* : allocated to. +* Arguments : uint16_t ep ; Direction + Endpoint Number +* Return Value : USB_FUNCTION_EP_ERROR : Error +* : Others : Pipe Number +*******************************************************************************/ +uint16_t usb0_function_EpToPipe (uint16_t ep) +{ + uint16_t pipe; + + for (pipe = 1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++) + { + if ((g_usb0_function_PipeTbl[pipe] & 0x00ff) == ep) + { + return pipe; + } + } + + return USB_FUNCTION_EP_ERROR; +} + +/******************************************************************************* +* Function Name: usb0_function_InitEPTable +* Description : Sets the end point by the Alternate setting value of the +* : configuration number and the interface number specified by the +* : argument. +* Arguments : uint16_t Con_Num ; Configuration Number +* : uint16_t Int_Num ; Interface Number +* : uint16_t Alt_Num ; Alternate Setting +* Return Value : none +*******************************************************************************/ +#if 0 +void usb0_function_InitEPTable (uint16_t Con_Num, uint16_t Int_Num, uint16_t Alt_Num) +{ + uint8_t * ptr; + uint16_t point_interface; + uint16_t point_endpoint; + uint16_t length; + uint16_t start; + uint16_t numbers; + uint16_t endpoint; + + ptr = (uint8_t *)g_usb0_function_ConfigurationPtr[Con_Num - 1]; + point_interface = *ptr; + length = (uint16_t)((uint16_t)*(ptr + 3) << 8 | (uint16_t)*(ptr + 2)); + ptr += *ptr; + start = 0; + numbers = 0; + point_endpoint = 0; + + for (; point_interface < length;) + { + switch (*(ptr + 1)) /* Descriptor Type ? */ + { + case USB_FUNCTION_DT_INTERFACE: /* Interface */ + if ((*(ptr + 2) == Int_Num) && (*(ptr + 3) == Alt_Num)) + { + numbers = *(ptr + 4); + } + else + { + start += *(ptr + 4); + } + point_interface += *ptr; + ptr += *ptr; + break; + + case USB_FUNCTION_DT_ENDPOINT: /* Endpoint */ + if (point_endpoint < numbers) + { + endpoint = (uint16_t)(*(ptr + 2) & 0x0f); + g_usb0_function_EPTableIndex[endpoint] = (uint16_t)(start + point_endpoint); + ++point_endpoint; + } + point_interface += *ptr; + ptr += *ptr; + break; + + case USB_FUNCTION_DT_DEVICE: /* Device */ + case USB_FUNCTION_DT_CONFIGURATION: /* Configuration */ + case USB_FUNCTION_DT_STRING: /* String */ + default: /* Class, Vendor, else */ + point_interface += *ptr; + ptr += *ptr; + break; + } + } +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_GetConfigNum +* Description : Returns the number of configuration referring to the number of +* : configuration described in the device descriptor. +* Arguments : none +* Return Value : Number of possible configurations (bNumConfigurations). +*******************************************************************************/ +#if 0 +uint16_t usb0_function_GetConfigNum (void) +{ + return (uint16_t)g_usb0_function_DeviceDescriptor[17]; +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_GetInterfaceNum +* Description : Returns the number of interface referring to the number of +* : interface described in the configuration descriptor. +* Arguments : uint16_t num ; Configuration Number +* Return Value : Number of this interface (bNumInterfaces). +*******************************************************************************/ +#if 0 +uint16_t usb0_function_GetInterfaceNum (uint16_t num) +{ + return (uint16_t)(*(g_usb0_function_ConfigurationPtr[num - 1] + 4)); +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_GetAltNum +* Description : Returns the Alternate setting value of the configuration number +* : and the interface number specified by the argument. +* Arguments : uint16_t Con_Num ; Configuration Number +* : uint16_t Int_Num ; Interface Number +* Return Value : Value used to select this alternate setting(bAlternateSetting). +*******************************************************************************/ +#if 0 +uint16_t usb0_function_GetAltNum (uint16_t Con_Num, uint16_t Int_Num) +{ + uint8_t * ptr; + uint16_t point; + uint16_t alt_num = 0; + uint16_t length; + + ptr = (uint8_t *)(g_usb0_function_ConfigurationPtr[Con_Num - 1]); + point = ptr[0]; + ptr += ptr[0]; /* InterfaceDescriptor[0] */ + length = (uint16_t)(*(g_usb0_function_ConfigurationPtr[Con_Num - 1] + 2)); + length |= (uint16_t)((uint16_t)(*(g_usb0_function_ConfigurationPtr[Con_Num - 1] + 3)) << 8); + + for (; point < length;) /* Search Descriptor Table size */ + { + switch (ptr[1]) /* Descriptor Type ? */ + { + case USB_FUNCTION_DT_INTERFACE: /* Interface */ + if (Int_Num == ptr[2]) + { + alt_num = (uint16_t)ptr[3]; /* Alternate Number count */ + } + point += ptr[0]; + ptr += ptr[0]; + break; + + case USB_FUNCTION_DT_DEVICE: /* Device */ + case USB_FUNCTION_DT_CONFIGURATION: /* Configuration */ + case USB_FUNCTION_DT_STRING: /* String */ + case USB_FUNCTION_DT_ENDPOINT: /* Endpoint */ + default: /* Class, Vendor, else */ + point += ptr[0]; + ptr += ptr[0]; + break; + } + } + return alt_num; +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_CheckRemoteWakeup +* Description : Returns the result of the remote wake up function is supported +* : or not referring to the configuration descriptor. +* Arguments : none +* Return Value : DEVDRV_USBF_ON : Support Remote Wakeup +* : DEVDRV_USBF_OFF : not Support Remote Wakeup +*******************************************************************************/ +#if 0 +uint16_t usb0_function_CheckRemoteWakeup (void) +{ + uint8_t atr; + + if (g_usb0_function_ConfigNum == 0) + { + return DEVDRV_USBF_OFF; + } + + atr = *(g_usb0_function_ConfigurationPtr[g_usb0_function_ConfigNum - 1] + 7); + + if (atr & USB_FUNCTION_CF_RWUP) + { + return DEVDRV_USBF_ON; + } + + return DEVDRV_USBF_OFF; +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_clear_alt +* Description : Initializes the Alternate setting area. +* Arguments : none +* Return Value : none +*******************************************************************************/ +#if 0 +void usb0_function_clear_alt (void) +{ + int i; + + for (i = 0; i < USB_FUNCTION_ALT_NO; ++i) + { + g_usb0_function_Alternate[i] = 0; /* Alternate */ + } +} +#endif + +/******************************************************************************* +* Function Name: usb0_function_clear_pipe_tbl +* Description : Initializes pipe definition table. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_function_clear_pipe_tbl (void) +{ + int pipe; + + for (pipe = 0; pipe < (USB_FUNCTION_MAX_PIPE_NO + 1); ++pipe) + { + g_usb0_function_PipeTbl[pipe] = 0; + } +} + +/******************************************************************************* +* Function Name: usb0_function_clear_ep_table_index +* Description : Initializes the end point table index. +* Arguments : none +* Return Value : none +*******************************************************************************/ +#if 0 +void usb0_function_clear_ep_table_index (void) +{ + int ep; + + for (ep = 0; ep <= USB_FUNCTION_MAX_EP_NO; ++ep) + { + g_usb0_function_EPTableIndex[ep] = USB_FUNCTION_EP_ERROR; + } +} +#endif + +/* End of File */