442 строки
18 KiB
C
442 строки
18 KiB
C
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/*******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only
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* intended for use with Renesas products. No other uses are authorized. This
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* software is owned by Renesas Electronics Corporation and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software
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* and to discontinue the availability of this software. By using this software,
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* you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
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*******************************************************************************/
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/*******************************************************************************
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* File Name : usb1_function_api.c
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* $Rev: 1116 $
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* $Date:: 2014-07-09 16:29:19 +0900#$
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* Device(s) : RZ/A1H
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* Tool-Chain :
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* OS : None
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* H/W Platform :
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* Description : RZ/A1H R7S72100 USB Sample Program
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* Operation :
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* Limitations :
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*******************************************************************************/
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/*******************************************************************************
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Includes <System Includes> , "Project Includes"
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*******************************************************************************/
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#include "usb1_function.h"
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#include "dev_drv.h"
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/*******************************************************************************
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Typedef definitions
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*******************************************************************************/
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/*******************************************************************************
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Macro definitions
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*******************************************************************************/
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/*******************************************************************************
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Imported global variables and functions (from other files)
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*******************************************************************************/
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/*******************************************************************************
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Exported global variables and functions (to be accessed by other files)
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*******************************************************************************/
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/*******************************************************************************
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Private global variables and functions
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*******************************************************************************/
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/*******************************************************************************
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* Function Name: usb1_api_function_init
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* Description : Initializes the USB module in the USB function mode.
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* Arguments : uint8_t int_level ; interruput level
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* : uint16_t mode : Speed modes
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* : : USB_FUCNTION_HIGH_SPEED: High-speed device
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* : : USB_FUCNTION_FULL_SPEED: Full-speed device
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* : uint16_t clockmode ; 48MHz ; USBFCLOCK_X1_48MHZ
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* : ; 12MHz ; USBFCLOCK_EXTAL_12MHZ
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* Return Value : none
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*******************************************************************************/
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#if 0
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void usb1_api_function_init (uint8_t int_level, uint16_t mode, uint16_t clockmode)
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{
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volatile uint8_t dummy_buf;
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CPG.STBCR7 &= 0xfc; /*The clock of USB0/1 modules is permitted */
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dummy_buf = CPG.STBCR7; /* (Dummy read) */
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usb1_function_setting_interrupt(int_level);
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usb1_function_reset_module(clockmode); /* reset USB module with setting tranciever */
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/* and HSE=1 */
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usb1_function_init_status(); /* clear variables */
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usb1_function_InitModule(mode); /* select USB Function and Interrupt Enable */
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/* Detect USB Device to attach or detach */
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}
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#endif
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/*******************************************************************************
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* Function Name: usb1_api_function_IsConfigured
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* Description : Checks if the USB device is configured to return the result as
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* : the return value.
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* Arguments : none
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* Return Value : DEVDRV_USBF_YES : Configured & Configured Suspend
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* : DEVDRV_USBF_NO : not Configured
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*******************************************************************************/
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uint16_t usb1_api_function_IsConfigured (void)
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{
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uint16_t dvst;
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dvst = usb1_function_GetDeviceState();
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if ((dvst == USB_FUNCTION_DVST_CONFIGURED) ||
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(dvst == USB_FUNCTION_DVST_CONFIGURED_SUSPEND))
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{
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return DEVDRV_USBF_YES;
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}
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return DEVDRV_USBF_NO;
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}
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/*******************************************************************************
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* Function Name: usb1_function_GetDeviceState
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* Description : Returns the state of USB device.
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* Arguments : none
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* Return Value : Device States
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*******************************************************************************/
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uint16_t usb1_function_GetDeviceState (void)
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{
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uint16_t dvsq;
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uint16_t dvst;
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dvsq = USB201.INTSTS0;
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switch (dvsq & USB_FUNCTION_BITDVSQ)
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{
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case USB_FUNCTION_DS_POWR: /* Power state *//* power-on */
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dvst = USB_FUNCTION_DVST_POWERED;
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break;
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case USB_FUNCTION_DS_DFLT: /* Default state *//* bus-reset */
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dvst = USB_FUNCTION_DVST_DEFAULT;
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break;
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case USB_FUNCTION_DS_ADDS: /* Address state */
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dvst = USB_FUNCTION_DVST_ADDRESS;
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break;
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case USB_FUNCTION_DS_CNFG: /* Configured state */
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dvst = USB_FUNCTION_DVST_CONFIGURED;
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break;
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case USB_FUNCTION_DS_SPD_CNFG: /* Configured Suspend state */
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dvst = USB_FUNCTION_DVST_CONFIGURED_SUSPEND;
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break;
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case USB_FUNCTION_DS_SPD_POWR: /* Power Suspend state */
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case USB_FUNCTION_DS_SPD_DFLT: /* Default Suspend state */
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case USB_FUNCTION_DS_SPD_ADDR: /* Address Suspend state */
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dvst = USB_FUNCTION_DVST_SUSPEND;
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break;
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default: /* error */
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dvst = USB_FUNCTION_DVST_SUSPEND;
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break;
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}
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return dvst;
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_start_receive_transfer
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* Description : Starts USB data reception using the pipe specified in the argument.
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* : The FIFO for using is set in the pipe definition table.
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* Arguments : uint16_t pipe ; Pipe Number
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* : uint32_t size ; Data Size
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* : uint8_t *data ; Data data Address
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_start_receive_transfer (uint16_t pipe, uint32_t size, uint8_t * data)
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{
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usb1_function_start_receive_transfer(pipe, size, data);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_start_send_transfer
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* Description : Starts the USB data communication using pipe specified by the argument.
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* Arguments : uint16_t pipe ; Pipe Number
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* : uint32_t size ; Data Size
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* : uint8_t *data ; Data data Address
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* Return Value : DEVDRV_USBF_WRITEEND ; Write end
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* : DEVDRV_USBF_WRITESHRT ; short data
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* : DEVDRV_USBF_WRITING ; Continue of data write
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* : DEVDRV_USBF_WRITEDMA ; Write DMA
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* : DEVDRV_USBF_FIFOERROR ; FIFO status
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*******************************************************************************/
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uint16_t usb1_api_function_start_send_transfer (uint16_t pipe, uint32_t size, uint8_t * data)
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{
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uint16_t status;
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status = usb1_function_start_send_transfer(pipe, size, data);
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return status;
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_check_pipe_status
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* Description : Starts USB data reception using the pipe specified in the argument.
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* : The FIFO for using is set in the pipe definition table.
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* Arguments : uint16_t pipe ; Pipe Number
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* : uint32_t *size ; Data Size
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* Return Value : Pipe Status
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*******************************************************************************/
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uint16_t usb1_api_function_check_pipe_status (uint16_t pipe, uint32_t * size)
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{
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if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_DONE)
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{
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*size = g_usb1_function_PipeDataSize[pipe];
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g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
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return DEVDRV_USBF_PIPE_DONE;
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}
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else if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_NORES)
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{
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*size = 0;
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g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
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return DEVDRV_USBF_PIPE_NORES;
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}
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else if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_STALL)
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{
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*size = 0;
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g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
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return DEVDRV_USBF_PIPE_STALL;
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}
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else if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_FIFOERROR)
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{
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*size = 0;
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g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
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return DEVDRV_USBF_FIFOERROR;
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}
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else
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{
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/* Do Nothing */
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}
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return g_usb1_function_pipe_status[pipe];
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_clear_pipe_status
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* Description : Starts USB data reception using the pipe specified in the argument.
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* : The FIFO for using is set in the pipe definition table.
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* Arguments : uint16_t pipe ; Pipe Number
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* Return Value : Pipe Status
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*******************************************************************************/
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void usb1_api_function_clear_pipe_status (uint16_t pipe)
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{
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g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
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g_usb1_function_PipeDataSize[pipe] = 0;
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_pid_buf
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* Description : Enables communicaqtion in the pipe specified by the argument
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* : (BUF).
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_pid_buf (uint16_t pipe)
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{
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usb1_function_set_pid_buf(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_pid_nak
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* Description : Disables communication (NAK) in the pipe specified by the argument.
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* : When the pipe status was enabling communication (BUF) before
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* : executing before executing this function, waits in the software
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* : until the pipe becomes ready after setting disabled.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_pid_nak (uint16_t pipe)
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{
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usb1_function_set_pid_nak(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_pid_stall
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* Description : Disables communication (STALL) in the pipe specified by the
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* : argument.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_pid_stall (uint16_t pipe)
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{
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usb1_function_set_pid_stall(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_clear_pid_stall
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* Description : Disables communication (NAK) in the pipe specified by the argument.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_clear_pid_stall (uint16_t pipe)
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{
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usb1_function_clear_pid_stall(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_get_pid
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* Description : Returns the pipe state specified by the argument.
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* Arguments : uint16_t pipe ; Pipe Number
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* Return Value : PID
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*******************************************************************************/
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uint16_t usb1_api_function_get_pid (uint16_t pipe)
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{
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uint16_t pid;
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pid = usb1_function_get_pid(pipe);
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return pid;
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_check_stall
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* Description :
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* Arguments : uint16_t pipe ; Pipe Number
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* Return Value : PID
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*******************************************************************************/
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int32_t usb1_api_function_check_stall (uint16_t pipe)
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{
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uint16_t pid;
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pid = usb1_function_get_pid(pipe);
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if ((pid & DEVDRV_USBF_PID_STALL) == DEVDRV_USBF_PID_STALL)
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{
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return DEVDRV_USBF_STALL;
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}
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return DEVDRV_SUCCESS;
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_sqclr
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* Description : Sets the sequence bit of the pipe specified by the argument to
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* : DATA0.
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* Arguments : uint16_t pipe ; Pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_sqclr (uint16_t pipe)
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{
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usb1_function_set_sqclr(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_sqset
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* Description : Sets the sequence bit of the pipe specified by the argument to
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* : DATA1.
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* Arguments : uint16_t pipe ; Pipe number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_sqset (uint16_t pipe)
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{
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usb1_function_set_sqset(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_csclr
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* Description : CSPLIT status clear setting of sprit transaction in specified
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* : pipe is performed.
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* : When SQSET bit or SQCLR bit, and SQSET bit or SQCLR bit
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* : in DCPCTR register are continuously changed (when the sequence
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* : toggle bit of data PID is continuously changed over two or more pipes),
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* : the access cycle with 120 ns and more than 5 cycle bus clock is necessary.
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* : Do not set both SQCLR bit and SQSET bit to 1 at the same time.
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* : In addition, both bits should be operated after PID is set to NAK.
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* : However, when it is set to the isochronous transfer as the transfer type
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* : (TYPE=11), writing in SQSET bit is disabled.
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* Arguments : uint16_t pipe ; Pipe number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_csclr (uint16_t pipe)
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{
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usb1_function_set_csclr(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_set_curpipe
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* Description : Allocates FIF0 specifed by the argument in the pipe assigned
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* : by the argument.
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* Arguments : uint16_t pipe ; Pipe Number
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* : uint16_t fifosel ; Select FIFO
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* : uint16_t isel ; FIFO Access Direction
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* : uint16_t mbw ; FIFO Port Access Bit Width
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_set_curpipe (uint16_t pipe, uint16_t fifosel, uint16_t isel, uint16_t mbw)
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{
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usb1_function_set_curpipe(pipe, fifosel, isel, mbw);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_clear_brdy_sts
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* Description : Clear BRDY interrupt status in the pipe spceified by the argument.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_clear_brdy_sts (uint16_t pipe)
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{
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usb1_function_clear_brdy_sts(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_clear_bemp_sts
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* Description : Clear BEMP interrupt status in the pipe spceified by the argument.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_clear_bemp_sts (uint16_t pipe)
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{
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usb1_function_clear_bemp_sts(pipe);
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}
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/*******************************************************************************
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* Function Name: usb1_api_function_clear_nrdy_sts
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* Description : Clear NRDY interrupt status in the pipe spceified by the argument.
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* Arguments : uint16_t pipe ; pipe Number
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* Return Value : none
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*******************************************************************************/
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void usb1_api_function_clear_nrdy_sts (uint16_t pipe)
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{
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usb1_function_clear_nrdy_sts(pipe);
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}
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/* End of File */
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