USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.
Dependencies: FATFileSystem mbed-rtos
Dependents: BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more
Legacy Warning
This is an mbed 2 library. To learn more about mbed OS 5, visit the docs.
Pull requests against this repository are no longer supported. Please raise against mbed OS 5 as documented above.
Diff: USBHost/TARGET_RENESAS/TARGET_RZ_A1H/src/host/usb0_host_usbsig.c
- Revision:
- 27:4206883f4cb7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/TARGET_RENESAS/TARGET_RZ_A1H/src/host/usb0_host_usbsig.c Mon Jan 19 14:30:37 2015 +0000 @@ -0,0 +1,637 @@ +/******************************************************************************* +* 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_host_usbsig.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_host.h" +#include "dev_drv.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 usb0_host_EnableINT_Module(void); +static void usb0_host_Enable_AttachINT(void); +static void usb0_host_Disable_AttachINT(void); +static void usb0_host_Disable_BchgINT(void); + + +/******************************************************************************* +Private global variables and functions +*******************************************************************************/ + + +/******************************************************************************* +* Function Name: usb0_host_InitModule +* Description : Initializes the USB module in USB host module. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_InitModule (void) +{ + uint16_t buf1; + uint16_t buf2; + uint16_t buf3; + + usb0_host_init_pipe_status(); + + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 1, + USB_SYSCFG_DCFM_SHIFT, + USB_SYSCFG_DCFM); /* HOST mode */ + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 1, + USB_SYSCFG_DRPD_SHIFT, + USB_SYSCFG_DRPD); /* PORT0 D+, D- setting */ + + do + { + buf1 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + Userdef_USB_usb0_host_delay_xms(50); + buf2 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + Userdef_USB_usb0_host_delay_xms(50); + buf3 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + + } while ((buf1 != buf2) || (buf1 != buf3)); + + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 1, + USB_SYSCFG_USBE_SHIFT, + USB_SYSCFG_USBE); + + USB200.CFIFOSEL = (uint16_t)(USB_HOST_BITRCNT | USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE); + USB200.D0FIFOSEL = (uint16_t)( USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE); + USB200.D1FIFOSEL = (uint16_t)( USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE); +} + +/******************************************************************************* +* Function Name: usb0_host_CheckAttach +* Description : Returns the USB device connection state. +* Arguments : none +* Return Value : uint16_t ; USB_HOST_ATTACH : Attached +* : ; USB_HOST_DETACH : not Attached +*******************************************************************************/ +uint16_t usb0_host_CheckAttach (void) +{ + uint16_t buf1; + uint16_t buf2; + uint16_t buf3; + uint16_t rhst; + + do + { + buf1 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + Userdef_USB_usb0_host_delay_xms(50); + buf2 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + Userdef_USB_usb0_host_delay_xms(50); + buf3 = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + + } while ((buf1 != buf2) || (buf1 != buf3)); + + rhst = RZA_IO_RegRead_16(&USB200.DVSTCTR0, + USB_DVSTCTR0_RHST_SHIFT, + USB_DVSTCTR0_RHST); + if (rhst == USB_HOST_UNDECID) + { + if (buf1 == USB_HOST_FS_JSTS) + { + if (g_usb0_host_SupportUsbDeviceSpeed == USB_HOST_HIGH_SPEED) + { + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 1, + USB_SYSCFG_HSE_SHIFT, + USB_SYSCFG_HSE); + } + else + { + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 0, + USB_SYSCFG_HSE_SHIFT, + USB_SYSCFG_HSE); + } + return USB_HOST_ATTACH; + } + else if (buf1 == USB_HOST_LS_JSTS) + { + /* Low Speed Device */ + RZA_IO_RegWrite_16(&USB200.SYSCFG0, + 0, + USB_SYSCFG_HSE_SHIFT, + USB_SYSCFG_HSE); + return USB_HOST_ATTACH; + } + else + { + /* Do Nothing */ + } + } + else if ((rhst == USB_HOST_HSMODE) || (rhst == USB_HOST_FSMODE)) + { + return USB_HOST_ATTACH; + } + else if (rhst == USB_HOST_LSMODE) + { + return USB_HOST_ATTACH; + } + else + { + /* Do Nothing */ + } + + return USB_HOST_DETACH; +} + +/******************************************************************************* +* Function Name: usb0_host_UsbAttach +* Description : Connects the USB device. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_UsbAttach (void) +{ + usb0_host_EnableINT_Module(); + usb0_host_Disable_BchgINT(); + usb0_host_Disable_AttachINT(); + usb0_host_Enable_DetachINT(); +} + +/******************************************************************************* +* Function Name: usb0_host_UsbDetach +* Description : Disconnects the USB device. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_UsbDetach (void) +{ + uint16_t pipe; + uint16_t devadr; + + g_usb0_host_driver_state = USB_HOST_DRV_DETACHED; + + /* Terminate all the pipes in which communications on port */ + /* are currently carried out */ + for (pipe = 0; pipe < (USB_HOST_MAX_PIPE_NO + 1); ++pipe) + { + if (g_usb0_host_pipe_status[pipe] != USB_HOST_PIPE_IDLE) + { + if (pipe == USB_HOST_PIPE0) + { + devadr = RZA_IO_RegRead_16(&USB200.DCPMAXP, + USB_DCPMAXP_DEVSEL_SHIFT, + USB_DCPMAXP_DEVSEL); + } + else + { + devadr = RZA_IO_RegRead_16(&g_usb0_host_pipemaxp[pipe], USB_PIPEMAXP_DEVSEL_SHIFT, USB_PIPEMAXP_DEVSEL); + } + + if (devadr == g_usb0_host_UsbAddress) + { + usb0_host_stop_transfer(pipe); + } + + g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_IDLE; + } + } + + g_usb0_host_ConfigNum = 0; + g_usb0_host_UsbAddress = 0; + g_usb0_host_default_max_packet[USB_HOST_DEVICE_0] = 64; + + usb0_host_UsbDetach2(); +} + +/******************************************************************************* +* Function Name: usb0_host_UsbDetach2 +* Description : Disconnects the USB device. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_UsbDetach2 (void) +{ + usb0_host_Disable_DetachINT(); + usb0_host_Disable_BchgINT(); + usb0_host_Enable_AttachINT(); +} + +/******************************************************************************* +* Function Name: usb0_host_UsbBusReset +* Description : Issues the USB bus reset signal. +* Arguments : none +* Return Value : uint16_t ; RHST +*******************************************************************************/ +uint16_t usb0_host_UsbBusReset (void) +{ + uint16_t buffer; + uint16_t loop; + + RZA_IO_RegWrite_16(&USB200.DVSTCTR0, + 1, + USB_DVSTCTR0_USBRST_SHIFT, + USB_DVSTCTR0_USBRST); + RZA_IO_RegWrite_16(&USB200.DVSTCTR0, + 0, + USB_DVSTCTR0_UACT_SHIFT, + USB_DVSTCTR0_UACT); + + Userdef_USB_usb0_host_delay_xms(50); + + buffer = USB200.DVSTCTR0; + buffer &= (uint16_t)(~(USB_HOST_BITRST)); + buffer |= USB_HOST_BITUACT; + USB200.DVSTCTR0 = buffer; + + Userdef_USB_usb0_host_delay_xms(20); + + for (loop = 0, buffer = USB_HOST_HSPROC; loop < 3; ++loop) + { + buffer = RZA_IO_RegRead_16(&USB200.DVSTCTR0, + USB_DVSTCTR0_RHST_SHIFT, + USB_DVSTCTR0_RHST); + if (buffer == USB_HOST_HSPROC) + { + Userdef_USB_usb0_host_delay_xms(10); + } + else + { + break; + } + } + + return buffer; +} + +/******************************************************************************* +* Function Name: usb0_host_UsbResume +* Description : Issues the USB resume signal. +* Arguments : none +* Return Value : int32_t ; DEVDRV_SUCCESS +* : ; DEVDRV_ERROR +*******************************************************************************/ +int32_t usb0_host_UsbResume (void) +{ + uint16_t buf; + + if ((g_usb0_host_driver_state & USB_HOST_DRV_SUSPEND) == 0) + { + /* not SUSPEND */ + return DEVDRV_ERROR; + } + + RZA_IO_RegWrite_16(&USB200.INTENB1, + 0, + USB_INTENB1_BCHGE_SHIFT, + USB_INTENB1_BCHGE); + RZA_IO_RegWrite_16(&USB200.DVSTCTR0, + 1, + USB_DVSTCTR0_RESUME_SHIFT, + USB_DVSTCTR0_RESUME); + Userdef_USB_usb0_host_delay_xms(20); + + buf = USB200.DVSTCTR0; + buf &= (uint16_t)(~(USB_HOST_BITRESUME)); + buf |= USB_HOST_BITUACT; + USB200.DVSTCTR0 = buf; + + g_usb0_host_driver_state &= (uint16_t)~USB_HOST_DRV_SUSPEND; + + return DEVDRV_SUCCESS; +} + +/******************************************************************************* +* Function Name: usb0_host_UsbSuspend +* Description : Issues the USB suspend signal. +* Arguments : none +* Return Value : int32_t ; DEVDRV_SUCCESS :not SUSPEND +* : ; DEVDRV_ERROR :SUSPEND +*******************************************************************************/ +int32_t usb0_host_UsbSuspend (void) +{ + uint16_t buf; + + if ((g_usb0_host_driver_state & USB_HOST_DRV_SUSPEND) != 0) + { + /* SUSPEND */ + return DEVDRV_ERROR; + } + + RZA_IO_RegWrite_16(&USB200.DVSTCTR0, + 0, + USB_DVSTCTR0_UACT_SHIFT, + USB_DVSTCTR0_UACT); + + Userdef_USB_usb0_host_delay_xms(5); + + buf = RZA_IO_RegRead_16(&USB200.SYSSTS0, + USB_SYSSTS0_LNST_SHIFT, + USB_SYSSTS0_LNST); + if ((buf != USB_HOST_FS_JSTS) && (buf != USB_HOST_LS_JSTS)) + { + usb0_host_UsbDetach(); + } + else + { + g_usb0_host_driver_state |= USB_HOST_DRV_SUSPEND; + } + + return DEVDRV_SUCCESS; +} + +/******************************************************************************* +* Function Name: usb0_host_Enable_DetachINT +* Description : Enables the USB disconnection interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_Enable_DetachINT (void) +{ + USB200.INTSTS1 = (uint16_t)(~(USB_HOST_BITDTCH)); + RZA_IO_RegWrite_16(&USB200.INTENB1, + 1, + USB_INTENB1_DTCHE_SHIFT, + USB_INTENB1_DTCHE); +} + +/******************************************************************************* +* Function Name: usb0_host_Disable_DetachINT +* Description : Disables the USB disconnection interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_Disable_DetachINT (void) +{ + USB200.INTSTS1 = (uint16_t)(~(USB_HOST_BITDTCH)); + RZA_IO_RegWrite_16(&USB200.INTENB1, + 0, + USB_INTENB1_DTCHE_SHIFT, + USB_INTENB1_DTCHE); +} + +/******************************************************************************* +* Function Name: usb0_host_Enable_AttachINT +* Description : Enables the USB connection detection interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_Enable_AttachINT (void) +{ + USB200.INTSTS1 = (uint16_t)(~(USB_HOST_BITATTCH)); + RZA_IO_RegWrite_16(&USB200.INTENB1, + 1, + USB_INTENB1_ATTCHE_SHIFT, + USB_INTENB1_ATTCHE); +} + +/******************************************************************************* +* Function Name: usb0_host_Disable_AttachINT +* Description : Disables the USB connection detection interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_Disable_AttachINT (void) +{ + USB200.INTSTS1 = (uint16_t)(~(USB_HOST_BITATTCH)); + RZA_IO_RegWrite_16(&USB200.INTENB1, + 0, + USB_INTENB1_ATTCHE_SHIFT, + USB_INTENB1_ATTCHE); +} + +/******************************************************************************* +* Function Name: usb0_host_Disable_BchgINT +* Description : Disables the USB bus change detection interrupt. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_Disable_BchgINT (void) +{ + USB200.INTSTS1 = (uint16_t)(~(USB_HOST_BITBCHG)); + RZA_IO_RegWrite_16(&USB200.INTENB1, + 0, + USB_INTENB1_BCHGE_SHIFT, + USB_INTENB1_BCHGE); +} + +/******************************************************************************* +* Function Name: usb0_host_set_devadd +* Description : DEVADDn register is set by specified value +* Arguments : uint16_t addr : Device address +* : uint16_t *devadd : Set value +* Return Value : none +*******************************************************************************/ +void usb0_host_set_devadd (uint16_t addr, uint16_t * devadd) +{ + uint16_t * ptr; + uint16_t ret_flag = DEVDRV_FLAG_ON; // avoid warning. + + switch (addr) + { + case USB_HOST_DEVICE_0: + ptr = (uint16_t *)&USB200.DEVADD0; + break; + + case USB_HOST_DEVICE_1: + ptr = (uint16_t *)&USB200.DEVADD1; + break; + + case USB_HOST_DEVICE_2: + ptr = (uint16_t *)&USB200.DEVADD2; + break; + + case USB_HOST_DEVICE_3: + ptr = (uint16_t *)&USB200.DEVADD3; + break; + + case USB_HOST_DEVICE_4: + ptr = (uint16_t *)&USB200.DEVADD4; + break; + + case USB_HOST_DEVICE_5: + ptr = (uint16_t *)&USB200.DEVADD5; + break; + + case USB_HOST_DEVICE_6: + ptr = (uint16_t *)&USB200.DEVADD6; + break; + + case USB_HOST_DEVICE_7: + ptr = (uint16_t *)&USB200.DEVADD7; + break; + + case USB_HOST_DEVICE_8: + ptr = (uint16_t *)&USB200.DEVADD8; + break; + + case USB_HOST_DEVICE_9: + ptr = (uint16_t *)&USB200.DEVADD9; + break; + + case USB_HOST_DEVICE_10: + ptr = (uint16_t *)&USB200.DEVADDA; + break; + + default: + ret_flag = DEVDRV_FLAG_OFF; + break; + } + + if (ret_flag == DEVDRV_FLAG_ON) + { + *ptr = (uint16_t)(*devadd & USB_HOST_DEVADD_MASK); + } +} + +/******************************************************************************* +* Function Name: usb0_host_get_devadd +* Description : DEVADDn register is obtained +* Arguments : uint16_t addr : Device address +* : uint16_t *devadd : USB_HOST_DEVADD register value +* Return Value : none +*******************************************************************************/ +void usb0_host_get_devadd (uint16_t addr, uint16_t * devadd) +{ + uint16_t * ptr; + uint16_t ret_flag = DEVDRV_FLAG_ON; // avoid warning. + + switch (addr) + { + case USB_HOST_DEVICE_0: + ptr = (uint16_t *)&USB200.DEVADD0; + break; + + case USB_HOST_DEVICE_1: + ptr = (uint16_t *)&USB200.DEVADD1; + break; + + case USB_HOST_DEVICE_2: + ptr = (uint16_t *)&USB200.DEVADD2; + break; + + case USB_HOST_DEVICE_3: + ptr = (uint16_t *)&USB200.DEVADD3; + break; + + case USB_HOST_DEVICE_4: + ptr = (uint16_t *)&USB200.DEVADD4; + break; + + case USB_HOST_DEVICE_5: + ptr = (uint16_t *)&USB200.DEVADD5; + break; + + case USB_HOST_DEVICE_6: + ptr = (uint16_t *)&USB200.DEVADD6; + break; + + case USB_HOST_DEVICE_7: + ptr = (uint16_t *)&USB200.DEVADD7; + break; + + case USB_HOST_DEVICE_8: + ptr = (uint16_t *)&USB200.DEVADD8; + break; + + case USB_HOST_DEVICE_9: + ptr = (uint16_t *)&USB200.DEVADD9; + break; + + case USB_HOST_DEVICE_10: + ptr = (uint16_t *)&USB200.DEVADDA; + break; + + default: + ret_flag = DEVDRV_FLAG_OFF; + break; + } + + if (ret_flag == DEVDRV_FLAG_ON) + { + *devadd = *ptr; + } +} + +/******************************************************************************* +* Function Name: usb0_host_EnableINT_Module +* Description : Enables BEMP/NRDY/BRDY interrupt and SIGN/SACK interrupt. +* : Enables NRDY/BEMP interrupt in the pipe0. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_EnableINT_Module (void) +{ + uint16_t buf; + + buf = USB200.INTENB0; + buf |= (USB_HOST_BITBEMPE | USB_HOST_BITNRDYE | USB_HOST_BITBRDYE); + USB200.INTENB0 = buf; + + buf = USB200.INTENB1; + buf |= (USB_HOST_BITSIGNE | USB_HOST_BITSACKE); + USB200.INTENB1 = buf; + + usb0_host_enable_nrdy_int(USB_HOST_PIPE0); + usb0_host_enable_bemp_int(USB_HOST_PIPE0); +} + +/* End of File */