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_controlrw.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_controlrw.c Mon Jan 19 14:30:37 2015 +0000 @@ -0,0 +1,434 @@ +/******************************************************************************* +* 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_controlrw.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) +*******************************************************************************/ + + +/******************************************************************************* +Private global variables and functions +*******************************************************************************/ + + +/******************************************************************************* +* Function Name: usb0_host_CtrlTransStart +* Description : Executes USB control transfer. +* Arguments : uint16_t devadr ; device address +* : uint16_t Req ; bmRequestType & bRequest +* : uint16_t Val ; wValue +* : uint16_t Indx ; wIndex +* : uint16_t Len ; wLength +* : uint8_t *Buf ; Data buffer +* Return Value : DEVDRV_SUCCESS ; SUCCESS +* : DEVDRV_ERROR ; ERROR +*******************************************************************************/ +int32_t usb0_host_CtrlTransStart (uint16_t devadr, uint16_t Req, uint16_t Val, + uint16_t Indx, uint16_t Len, uint8_t * Buf) +{ + if (g_usb0_host_UsbDeviceSpeed == USB_HOST_LOW_SPEED) + { + RZA_IO_RegWrite_16(&USB200.SOFCFG, + 1, + USB_SOFCFG_TRNENSEL_SHIFT, + USB_SOFCFG_TRNENSEL); + } + else + { + RZA_IO_RegWrite_16(&USB200.SOFCFG, + 0, + USB_SOFCFG_TRNENSEL_SHIFT, + USB_SOFCFG_TRNENSEL); + } + + USB200.DCPMAXP = (uint16_t)((uint16_t)(devadr << 12) + g_usb0_host_default_max_packet[devadr]); + + if (g_usb0_host_pipe_status[USB_HOST_PIPE0] == USB_HOST_PIPE_IDLE) + { + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_WAIT; + g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */ + g_usb0_host_CmdStage = (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE); + + if (Len == 0) + { + g_usb0_host_CmdStage |= USB_HOST_MODE_NO_DATA; /* No-data Control */ + } + else + { + if ((Req & 0x0080) != 0) + { + g_usb0_host_CmdStage |= USB_HOST_MODE_READ; /* Control Read */ + } + else + { + g_usb0_host_CmdStage |= USB_HOST_MODE_WRITE; /* Control Write */ + } + } + + g_usb0_host_SavReq = Req; /* save request */ + g_usb0_host_SavVal = Val; + g_usb0_host_SavIndx = Indx; + g_usb0_host_SavLen = Len; + } + else + { + if ((g_usb0_host_SavReq != Req) || (g_usb0_host_SavVal != Val) + || (g_usb0_host_SavIndx != Indx) || (g_usb0_host_SavLen != Len)) + { + return DEVDRV_ERROR; + } + } + + switch ((g_usb0_host_CmdStage & (USB_HOST_STAGE_FIELD | USB_HOST_CMD_FIELD))) + { + /* --------------- SETUP STAGE --------------- */ + case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE): + usb0_host_SetupStage(Req, Val, Indx, Len); + break; + + case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DOING): + /* do nothing */ + break; + + case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DONE): /* goto next stage */ + g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */ + switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD))) + { + case USB_HOST_MODE_WRITE: + g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD); + g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA; + break; + + case USB_HOST_MODE_READ: + g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD); + g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA; + break; + + case USB_HOST_MODE_NO_DATA: + g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD); + g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS; + break; + + default: + break; + } + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE; + break; + + case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_NORES): + if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3) + { + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */ + } + else + { + g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */ + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE; + } + break; + + /* --------------- DATA STAGE --------------- */ + case (USB_HOST_STAGE_DATA | USB_HOST_CMD_IDLE): + switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD))) + { + case USB_HOST_MODE_WRITE: + usb0_host_CtrlWriteStart((uint32_t)Len, Buf); + break; + + case USB_HOST_MODE_READ: + usb0_host_CtrlReadStart((uint32_t)Len, Buf); + break; + + default: + break; + } + break; + + case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DOING): + /* do nothing */ + break; + + case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DONE): /* goto next stage */ + g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */ + g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD); + g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS; + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE; + break; + + case (USB_HOST_STAGE_DATA | USB_HOST_CMD_NORES): + if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3) + { + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */ + } + else + { + g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */ + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_DOING; + usb0_host_clear_pid_stall(USB_HOST_PIPE0); + usb0_host_set_pid_buf(USB_HOST_PIPE0); + } + break; + + case (USB_HOST_STAGE_DATA | USB_HOST_CMD_STALL): + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */ + break; + + /* --------------- STATUS STAGE --------------- */ + case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_IDLE): + usb0_host_StatusStage(); + break; + + case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DOING): + /* do nothing */ + break; + + case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DONE): /* end of Control transfer */ + usb0_host_set_pid_nak(USB_HOST_PIPE0); + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_DONE; /* exit DONE */ + break; + + case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_NORES): + if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3) + { + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */ + } + else + { + g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */ + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_DOING; + usb0_host_clear_pid_stall(USB_HOST_PIPE0); + usb0_host_set_pid_buf(USB_HOST_PIPE0); + } + break; + + case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_STALL): + g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */ + break; + + default: + break; + } + + if (g_usb0_host_pipe_status[USB_HOST_PIPE0] != USB_HOST_PIPE_WAIT) + { + RZA_IO_RegWrite_16(&USB200.SOFCFG, + 0, + USB_SOFCFG_TRNENSEL_SHIFT, + USB_SOFCFG_TRNENSEL); + } + + return DEVDRV_SUCCESS; +} + +/******************************************************************************* +* Function Name: usb0_host_SetupStage +* Description : Executes USB control transfer/set up stage. +* Arguments : uint16_t Req ; bmRequestType & bRequest +* : uint16_t Val ; wValue +* : uint16_t Indx ; wIndex +* : uint16_t Len ; wLength +* Return Value : none +*******************************************************************************/ +void usb0_host_SetupStage (uint16_t Req, uint16_t Val, uint16_t Indx, uint16_t Len) +{ + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_DOING; + + USB200.INTSTS1 = (uint16_t)~(USB_HOST_BITSACK | USB_HOST_BITSIGN); /* Status Clear */ + USB200.USBREQ = Req; + USB200.USBVAL = Val; + USB200.USBINDX = Indx; + USB200.USBLENG = Len; + USB200.DCPCTR = USB_HOST_BITSUREQ; /* PID=NAK & Send Setup */ +} + +/******************************************************************************* +* Function Name: usb0_host_StatusStage +* Description : Executes USB control transfer/status stage. +* Arguments : none +* Return Value : none +*******************************************************************************/ +void usb0_host_StatusStage (void) +{ + uint8_t Buf1[16]; + + switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD))) + { + case USB_HOST_MODE_READ: + usb0_host_CtrlWriteStart((uint32_t)0, (uint8_t *)&Buf1); + break; + + case USB_HOST_MODE_WRITE: + usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1); + break; + + case USB_HOST_MODE_NO_DATA: + usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1); + break; + + default: + break; + } +} + +/******************************************************************************* +* Function Name: usb0_host_CtrlWriteStart +* Description : Executes USB control transfer/data stage(write). +* Arguments : uint32_t Bsize ; Data Size +* : uint8_t *Table ; Data Table Address +* Return Value : USB_HOST_WRITESHRT ; End of data write +* : USB_HOST_WRITEEND ; End of data write (not null) +* : USB_HOST_WRITING ; Continue of data write +* : USB_HOST_FIFOERROR ; FIFO access error +*******************************************************************************/ +uint16_t usb0_host_CtrlWriteStart (uint32_t Bsize, uint8_t * Table) +{ + uint16_t EndFlag_K; + uint16_t mbw; + + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_DOING; + + usb0_host_set_pid_nak(USB_HOST_PIPE0); /* Set NAK */ + g_usb0_host_data_count[USB_HOST_PIPE0] = Bsize; /* Transfer size set */ + g_usb0_host_data_pointer[USB_HOST_PIPE0] = Table; /* Transfer address set */ + + USB200.DCPCTR = USB_HOST_BITSQSET; /* SQSET=1, PID=NAK */ +#if(1) /* ohci_wrapp */ + Userdef_USB_usb0_host_delay_10us(3); +#endif + RZA_IO_RegWrite_16(&USB200.DCPCFG, + 1, + USB_DCPCFG_DIR_SHIFT, + USB_DCPCFG_DIR); + + mbw = usb0_host_get_mbw(g_usb0_host_data_count[USB_HOST_PIPE0], (uint32_t)g_usb0_host_data_pointer[USB_HOST_PIPE0]); + usb0_host_set_curpipe(USB_HOST_PIPE0, USB_HOST_CUSE, USB_HOST_BITISEL, mbw); + USB200.CFIFOCTR = USB_HOST_BITBCLR; /* Buffer Clear */ + + usb0_host_clear_pid_stall(USB_HOST_PIPE0); + EndFlag_K = usb0_host_write_buffer_c(USB_HOST_PIPE0); + /* Host Control sequence */ + switch (EndFlag_K) + { + case USB_HOST_WRITESHRT: /* End of data write */ + g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD); + g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS; + usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */ + usb0_host_enable_bemp_int(USB_HOST_PIPE0); /* Enable Empty Interrupt */ + break; + + case USB_HOST_WRITEEND: /* End of data write (not null) */ + case USB_HOST_WRITING: /* Continue of data write */ + usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */ + usb0_host_enable_bemp_int(USB_HOST_PIPE0); /* Enable Empty Interrupt */ + break; + + case USB_HOST_FIFOERROR: /* FIFO access error */ + break; + + default: + break; + } + usb0_host_set_pid_buf(USB_HOST_PIPE0); /* Set BUF */ + return (EndFlag_K); /* End or Err or Continue */ +} + +/******************************************************************************* +* Function Name: usb0_host_CtrlReadStart +* Description : Executes USB control transfer/data stage(read). +* Arguments : uint32_t Bsize ; Data Size +* : uint8_t *Table ; Data Table Address +* Return Value : none +*******************************************************************************/ +void usb0_host_CtrlReadStart (uint32_t Bsize, uint8_t * Table) +{ + uint16_t mbw; + + g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD); + g_usb0_host_CmdStage |= USB_HOST_CMD_DOING; + + usb0_host_set_pid_nak(USB_HOST_PIPE0); /* Set NAK */ + g_usb0_host_data_count[USB_HOST_PIPE0] = Bsize; /* Transfer size set */ + g_usb0_host_data_pointer[USB_HOST_PIPE0] = Table; /* Transfer address set */ + + USB200.DCPCTR = USB_HOST_BITSQSET; /* SQSET=1, PID=NAK */ +#if(1) /* ohci_wrapp */ + Userdef_USB_usb0_host_delay_10us(3); +#endif + RZA_IO_RegWrite_16(&USB200.DCPCFG, + 0, + USB_DCPCFG_DIR_SHIFT, + USB_DCPCFG_DIR); + + mbw = usb0_host_get_mbw(g_usb0_host_data_count[USB_HOST_PIPE0], (uint32_t)g_usb0_host_data_pointer[USB_HOST_PIPE0]); + usb0_host_set_curpipe(USB_HOST_PIPE0, USB_HOST_CUSE, USB_HOST_NO, mbw); + USB200.CFIFOCTR = USB_HOST_BITBCLR; /* Buffer Clear */ + + usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */ + usb0_host_enable_brdy_int(USB_HOST_PIPE0); /* Ok */ + usb0_host_clear_pid_stall(USB_HOST_PIPE0); + usb0_host_set_pid_buf(USB_HOST_PIPE0); /* Set BUF */ +} + +/* End of File */