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_VK_RZ_A1H/usb1/src/function/usb1_function_sig.c
- Revision:
- 62:c1549af978d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb1/src/function/usb1_function_sig.c Fri Apr 29 01:16:25 2016 +0100 @@ -0,0 +1,330 @@ +/******************************************************************************* +* 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 : usb1_function_sig.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 "usb1_function.h" + + +/******************************************************************************* +Typedef definitions +*******************************************************************************/ + + +/******************************************************************************* +Macro definitions +*******************************************************************************/ + + +/******************************************************************************* +Imported global variables and functions (from other files) +*******************************************************************************/ + + +/******************************************************************************* +Exported global variables and functions (to be accessed by other files) +*******************************************************************************/ +static void usb1_function_EnableINTModule(void); + + +/******************************************************************************* +Private global variables and functions +*******************************************************************************/ + + +/******************************************************************************* +* Function Name: usb1_function_InitModule +* Description : Initializes the USB module in the USB function mode. +* Arguments : uint16_t mode ; USB_FUNCTION_HIGH_SPEED ; Hi-Speed Mode +* : ; other ; Full-speed Mode +* Return Value : none +*******************************************************************************/ +void usb1_function_InitModule (uint16_t mode) +{ + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 0, + USB_SYSCFG_DCFM_SHIFT, + USB_SYSCFG_DCFM); /* USB function */ + + /* USB module operation enabled */ + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 1, + USB_SYSCFG_USBE_SHIFT, + USB_SYSCFG_USBE); + + if (mode == USB_FUNCTION_HIGH_SPEED) + { + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 1, + USB_SYSCFG_HSE_SHIFT, + USB_SYSCFG_HSE); /* Hi-Speed Mode */ + } + else + { + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 0, + USB_SYSCFG_HSE_SHIFT, + USB_SYSCFG_HSE); + } + + /* for power-on */ + if (usb1_function_CheckVBUStaus() == DEVDRV_USBF_ON) + { + usb1_function_EnableINTModule(); /* Interrupt Enable */ + usb1_function_USB_FUNCTION_Attach(); /* pull-up D+ and open D- */ + } + else + { + usb1_function_USB_FUNCTION_Detach(); /* USB Detach */ + /* with Interrupt Enable */ + } +} + +/******************************************************************************* +* Function Name: usb1_function_CheckVBUStaus +* Description : Checks the USB-VBUS state to returns the connection state to +* : the USB host. +* Arguments : none +* Return Value : DEVDRV_USBF_ON : VBUS ON +* : DEVDRV_USBF_OFF : VBUS OFF +*******************************************************************************/ +uint16_t usb1_function_CheckVBUStaus (void) +{ + uint16_t buf1; + uint16_t buf2; + uint16_t buf3; + + /* monitor VBUS pins */ + do + { + buf1 = RZA_IO_RegRead_16(&USB201.INTSTS0, + USB_INTSTS0_VBSTS_SHIFT, + USB_INTSTS0_VBSTS); + Userdef_USB_usb1_function_delay_10us(1); + buf2 = RZA_IO_RegRead_16(&USB201.INTSTS0, + USB_INTSTS0_VBSTS_SHIFT, + USB_INTSTS0_VBSTS); + Userdef_USB_usb1_function_delay_10us(1); + buf3 = RZA_IO_RegRead_16(&USB201.INTSTS0, + USB_INTSTS0_VBSTS_SHIFT, + USB_INTSTS0_VBSTS); + } while ((buf1 != buf2) || (buf2 != buf3)); + + if (buf1 == DEVDRV_USBF_OFF) + { + return DEVDRV_USBF_OFF; /* detach */ + } + + return DEVDRV_USBF_ON; /* attach */ +} + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_Attach +* Description : Connects to the USB host controller. +* : This function pulls up D+. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb1_function_USB_FUNCTION_Attach (void) +{ + Userdef_USB_usb1_function_attach(); + + Userdef_USB_usb1_function_delay_xms(10); + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 1, + USB_SYSCFG_DPRPU_SHIFT, + USB_SYSCFG_DPRPU); /* Pull-up D+ and open D- */ +} + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_Detach +* Description : Disconnects from the USB host controller. +* : This function opens D+/D-. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb1_function_USB_FUNCTION_Detach (void) +{ + uint16_t pipe; + + Userdef_USB_usb1_function_detach(); + + for (pipe = 0; pipe < (USB_FUNCTION_MAX_PIPE_NO + 1); ++pipe) + { + if (g_usb1_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_IDLE) + { + usb1_function_stop_transfer(pipe); + } + } + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 0, + USB_SYSCFG_DPRPU_SHIFT, + USB_SYSCFG_DPRPU); /* open D+ and D- */ + + /* Detach Recovery */ + Userdef_USB_usb1_function_delay_500ns(); /* need 1us=500ns * 2 wait */ + Userdef_USB_usb1_function_delay_500ns(); + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 1, + USB_SYSCFG_DCFM_SHIFT, + USB_SYSCFG_DCFM); + Userdef_USB_usb1_function_delay_500ns(); /* need 100ns wait but 500ns S/W wait */ + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 0, + USB_SYSCFG_DCFM_SHIFT, + USB_SYSCFG_DCFM); + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 0, + USB_SYSCFG_USBE_SHIFT, + USB_SYSCFG_USBE); /* soft reset module */ + Userdef_USB_usb1_function_delay_500ns(); + + RZA_IO_RegWrite_16(&USB201.SYSCFG0, + 1, + USB_SYSCFG_USBE_SHIFT, + USB_SYSCFG_USBE); + + usb1_function_EnableINTModule(); /* Interrupt Enable */ +} + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_BusReset +* Description : This function is executed when the USB device is transitioned +* : to POWERD_STATE. Sets the device descriptor according to the +* : connection speed determined by the USB reset hand shake. +* Arguments : none +* Return Value : none +*******************************************************************************/ +#if 0 /*The USBHAL in mbed does not need this function*/ +void usb1_function_USB_FUNCTION_BusReset (void) +{ + usb1_function_init_status(); /* memory clear */ + + if (usb1_function_is_hispeed() == USB_FUNCTION_HIGH_SPEED) + { + usb1_function_ResetDescriptor(USB_FUNCTION_HIGH_SPEED); /* Device Descriptor reset */ + } + else + { + usb1_function_ResetDescriptor(USB_FUNCTION_FULL_SPEED); /* Device Descriptor reset */ + } + + usb1_function_ResetDCP(); /* Default Control PIPE reset */ +} +#endif + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_Resume +* Description : This function is executed when the USB device detects a resume +* : signal. +* : The USB sample driver does not operate for this function. +* Arguments : none +* Return Value : none +*******************************************************************************/ +#if 0 /*The USBHAL in mbed does not need this function*/ +void usb1_function_USB_FUNCTION_Resume (void) +{ + /* NOP */ +} +#endif + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_Suspend +* Description : This function is executed when the USB device detects a suspend +* : signal. +* : The USB sample driver does not operate for this function. +* Arguments : none +* Return Value : none +*******************************************************************************/ +#if 0 /*The USBHAL in mbed does not need this function*/ +void usb1_function_USB_FUNCTION_Suspend (void) +{ + /* NOP */ +} +#endif + +/******************************************************************************* +* Function Name: usb1_function_USB_FUNCTION_TestMode +* Description : This function is executed when the USB device is transitioned U +* : to TEST_MODE by the USB standard request. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb1_function_USB_FUNCTION_TestMode (void) +{ + switch (g_usb1_function_TestModeSelectors & USB_FUNCTION_FUNCTION_TEST_SELECT) + { + case USB_FUNCTION_FUNCTION_TEST_J: + case USB_FUNCTION_FUNCTION_TEST_K: + case USB_FUNCTION_FUNCTION_TEST_SE0_NAK: + case USB_FUNCTION_FUNCTION_TEST_PACKET: + RZA_IO_RegWrite_16(&USB201.TESTMODE, + (g_usb1_function_TestModeSelectors >> 8), + USB_TESTMODE_UTST_SHIFT, + USB_TESTMODE_UTST); + break; + + case USB_FUNCTION_FUNCTION_TEST_FORCE_ENABLE: + default: + break; + } +} + +/******************************************************************************* +* Function Name: usb1_function_EnableINTModule +* Description : Enables USB interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +static void usb1_function_EnableINTModule (void) +{ + uint16_t buf; + + buf = USB201.INTENB0; + buf |= (USB_FUNCTION_BITVBSE | USB_FUNCTION_BITDVSE | USB_FUNCTION_BITCTRE | + USB_FUNCTION_BITBEMPE | USB_FUNCTION_BITNRDYE | USB_FUNCTION_BITBRDYE); + USB201.INTENB0 = buf; + + usb1_function_enable_bemp_int(USB_FUNCTION_PIPE0); +} + +/* End of File */