Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of USBDevice by
Diff: USBDevice/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb1/src/common/usb1_function_dma.c
- Branch:
- device-files
- Revision:
- 76:f0fd8d911b24
- Parent:
- 75:75970000c5b7
--- a/USBDevice/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb1/src/common/usb1_function_dma.c Fri Apr 28 16:21:32 2017 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,346 +0,0 @@ -/******************************************************************************* -* 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_dma.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) -*******************************************************************************/ - - -/******************************************************************************* -Private global variables and functions -*******************************************************************************/ -static void usb1_function_dmaint(uint16_t fifo); -static void usb1_function_dmaint_buf2fifo(uint16_t pipe); -static void usb1_function_dmaint_fifo2buf(uint16_t pipe); - - -/******************************************************************************* -* Function Name: usb1_function_dma_stop_d0 -* Description : D0FIFO DMA stop -* Arguments : uint16_t pipe : pipe number -* : uint32_t remain : transfer byte -* Return Value : none -*******************************************************************************/ -void usb1_function_dma_stop_d0 (uint16_t pipe, uint32_t remain) -{ - uint16_t dtln; - uint16_t dfacc; - uint16_t buffer; - uint16_t sds_b = 1; - - dfacc = RZA_IO_RegRead_16(&USB201.D0FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC); - - if (dfacc == 2) - { - sds_b = 32; - } - else if (dfacc == 1) - { - sds_b = 16; - } - else - { - if (g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size == 2) - { - sds_b = 4; - } - else if (g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size == 1) - { - sds_b = 2; - } - else - { - sds_b = 1; - } - } - - if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1) - { - if (g_usb1_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE) - { - buffer = USB201.D0FIFOCTR; - dtln = (buffer & USB_FUNCTION_BITDTLN); - - if ((dtln % sds_b) != 0) - { - remain += (sds_b - (dtln % sds_b)); - } - g_usb1_function_PipeDataSize[pipe] = (g_usb1_function_data_count[pipe] - remain); - g_usb1_function_data_count[pipe] = remain; - } - } - - RZA_IO_RegWrite_16(&USB201.D0FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE); -} - -/******************************************************************************* -* Function Name: usb1_function_dma_stop_d1 -* Description : D1FIFO DMA stop -* Arguments : uint16_t pipe : pipe number -* : uint32_t remain : transfer byte -* Return Value : none -*******************************************************************************/ -void usb1_function_dma_stop_d1 (uint16_t pipe, uint32_t remain) -{ - uint16_t dtln; - uint16_t dfacc; - uint16_t buffer; - uint16_t sds_b = 1; - - dfacc = RZA_IO_RegRead_16(&USB201.D1FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC); - - if (dfacc == 2) - { - sds_b = 32; - } - else if (dfacc == 1) - { - sds_b = 16; - } - else - { - if (g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size == 2) - { - sds_b = 4; - } - else if (g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size == 1) - { - sds_b = 2; - } - else - { - sds_b = 1; - } - } - - if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1) - { - if (g_usb1_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE) - { - buffer = USB201.D1FIFOCTR; - dtln = (buffer & USB_FUNCTION_BITDTLN); - - if ((dtln % sds_b) != 0) - { - remain += (sds_b - (dtln % sds_b)); - } - g_usb1_function_PipeDataSize[pipe] = (g_usb1_function_data_count[pipe] - remain); - g_usb1_function_data_count[pipe] = remain; - } - } - - RZA_IO_RegWrite_16(&USB201.D1FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE); -} - -/******************************************************************************* -* Function Name: usb1_function_dma_interrupt_d0fifo -* Description : This function is DMA interrupt handler entry. -* : Execute usb1_function_dmaint() after disabling DMA interrupt in this function. -* : Disable DMA interrupt to DMAC executed when USB_FUNCTION_D0FIFO_DMA is -* : specified by dma->fifo. -* : Register this function as DMA complete interrupt. -* Arguments : uint32_t int_sense ; Interrupts detection mode -* : ; INTC_LEVEL_SENSITIVE : Level sense -* : ; INTC_EDGE_TRIGGER : Edge trigger -* Return Value : none -*******************************************************************************/ -void usb1_function_dma_interrupt_d0fifo (uint32_t int_sense) -{ - usb1_function_dmaint(USB_FUNCTION_D0FIFO); - g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] = USB_FUNCTION_DMA_READY; -} - -/******************************************************************************* -* Function Name: usb1_function_dma_interrupt_d1fifo -* Description : This function is DMA interrupt handler entry. -* : Execute usb1_function_dmaint() after disabling DMA interrupt in this function. -* : Disable DMA interrupt to DMAC executed when USB_FUNCTION_D1FIFO_DMA is -* : specified by dma->fifo. -* : Register this function as DMA complete interrupt. -* Arguments : uint32_t int_sense ; Interrupts detection mode -* : ; INTC_LEVEL_SENSITIVE : Level sense -* : ; INTC_EDGE_TRIGGER : Edge trigger -* Return Value : none -*******************************************************************************/ -void usb1_function_dma_interrupt_d1fifo (uint32_t int_sense) -{ - usb1_function_dmaint(USB_FUNCTION_D1FIFO); - g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] = USB_FUNCTION_DMA_READY; -} - -/******************************************************************************* -* Function Name: usb1_function_dmaint -* Description : This function is DMA transfer end interrupt -* Arguments : uint16_t fifo ; fifo number -* : ; USB_FUNCTION_D0FIFO -* : ; USB_FUNCTION_D1FIFO -* Return Value : none -*******************************************************************************/ -static void usb1_function_dmaint (uint16_t fifo) -{ - uint16_t pipe; - - pipe = g_usb1_function_DmaPipe[fifo]; - - if (g_usb1_function_DmaInfo[fifo].dir == USB_FUNCTION_BUF2FIFO) - { - usb1_function_dmaint_buf2fifo(pipe); - } - else - { - usb1_function_dmaint_fifo2buf(pipe); - } -} - -/******************************************************************************* -* Function Name: usb1_function_dmaint_fifo2buf -* Description : Executes read completion from FIFO by DMAC. -* Arguments : uint16_t pipe : pipe number -* Return Value : none -*******************************************************************************/ -static void usb1_function_dmaint_fifo2buf (uint16_t pipe) -{ - uint32_t remain; - uint16_t useport; - - if (g_usb1_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE) - { - useport = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE); - - if (useport == USB_FUNCTION_D0FIFO_DMA) - { - remain = Userdef_USB_usb1_function_stop_dma0(); - usb1_function_dma_stop_d0(pipe, remain); - - if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) - { - if (g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] == USB_FUNCTION_DMA_BUSYEND) - { - USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; - g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE; - } - else - { - usb1_function_enable_brdy_int(pipe); - } - } - } - else - { - remain = Userdef_USB_usb1_function_stop_dma1(); - usb1_function_dma_stop_d1(pipe, remain); - - if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) - { - if (g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] == USB_FUNCTION_DMA_BUSYEND) - { - USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; - g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE; - } - else - { - usb1_function_enable_brdy_int(pipe); - } - } - } - } -} - -/******************************************************************************* -* Function Name: usb1_function_dmaint_buf2fifo -* Description : Executes write completion in FIFO by DMAC. -* Arguments : uint16_t pipe : pipe number -* Return Value : none -*******************************************************************************/ -static void usb1_function_dmaint_buf2fifo (uint16_t pipe) -{ - uint32_t remain; - uint16_t useport; - - useport = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE); - - if (useport == USB_FUNCTION_D0FIFO_DMA) - { - remain = Userdef_USB_usb1_function_stop_dma0(); - usb1_function_dma_stop_d0(pipe, remain); - - if (g_usb1_function_DmaBval[USB_FUNCTION_D0FIFO] != 0) - { - RZA_IO_RegWrite_16(&USB201.D0FIFOCTR, - 1, - USB_DnFIFOCTR_BVAL_SHIFT, - USB_DnFIFOCTR_BVAL); - } - } - else - { - remain = Userdef_USB_usb1_function_stop_dma1(); - usb1_function_dma_stop_d1(pipe, remain); - - if (g_usb1_function_DmaBval[USB_FUNCTION_D1FIFO] != 0) - { - RZA_IO_RegWrite_16(&USB201.D1FIFOCTR, - 1, - USB_DnFIFOCTR_BVAL_SHIFT, - USB_DnFIFOCTR_BVAL); - } - } - - usb1_function_enable_bemp_int(pipe); -} - -/* End of File */