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_RZ_A1H/inc/usb0_function_dmacdrv.h
- Revision:
- 35:a8484e16c2f3
diff -r a4e9ddc2e2af -r a8484e16c2f3 USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/inc/usb0_function_dmacdrv.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/inc/usb0_function_dmacdrv.h Thu Nov 06 11:01:12 2014 +0000 @@ -0,0 +1,142 @@ +/******************************************************************************* +* 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_function_dmacdrv.h +* $Rev: 1116 $ +* $Date:: 2014-07-09 16:29:19 +0900#$ +* Description : RZ/A1H R7S72100 USB Sample Program +*******************************************************************************/ +#ifndef USB0_FUNCTION_DMACDRV_H +#define USB0_FUNCTION_DMACDRV_H + + +/******************************************************************************* +Includes <System Includes> , "Project Includes" +*******************************************************************************/ + + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************* +Typedef definitions +*******************************************************************************/ +typedef struct dmac_transinfo +{ + uint32_t src_addr; /* Transfer source address */ + uint32_t dst_addr; /* Transfer destination address */ + uint32_t count; /* Transfer byte count */ + uint32_t src_size; /* Transfer source data size */ + uint32_t dst_size; /* Transfer destination data size */ + uint32_t saddr_dir; /* Transfer source address direction */ + uint32_t daddr_dir; /* Transfer destination address direction */ +} dmac_transinfo_t; + + +/******************************************************************************* +Macro definitions +*******************************************************************************/ +/* ==== Transfer specification of the sample program ==== */ +#define DMAC_SAMPLE_SINGLE (0) /* Single transfer */ +#define DMAC_SAMPLE_CONTINUATION (1) /* Continuous transfer (use REN bit) */ + +/* ==== DMA modes ==== */ +#define DMAC_MODE_REGISTER (0) /* Register mode */ +#define DMAC_MODE_LINK (1) /* Link mode */ + +/* ==== Transfer requests ==== */ +#define DMAC_REQ_MODE_EXT (0) /* External request */ +#define DMAC_REQ_MODE_PERI (1) /* On-chip peripheral module request */ +#define DMAC_REQ_MODE_SOFT (2) /* Auto-request (request by software) */ + +/* ==== DMAC transfer sizes ==== */ +#define DMAC_TRANS_SIZE_8 (0) /* 8 bits */ +#define DMAC_TRANS_SIZE_16 (1) /* 16 bits */ +#define DMAC_TRANS_SIZE_32 (2) /* 32 bits */ +#define DMAC_TRANS_SIZE_64 (3) /* 64 bits */ +#define DMAC_TRANS_SIZE_128 (4) /* 128 bits */ +#define DMAC_TRANS_SIZE_256 (5) /* 256 bits */ +#define DMAC_TRANS_SIZE_512 (6) /* 512 bits */ +#define DMAC_TRANS_SIZE_1024 (7) /* 1024 bits */ + +/* ==== Address increment for transferring ==== */ +#define DMAC_TRANS_ADR_NO_INC (1) /* Not increment */ +#define DMAC_TRANS_ADR_INC (0) /* Increment */ + +/* ==== Method for detecting DMA request ==== */ +#define DMAC_REQ_DET_FALL (0) /* Falling edge detection */ +#define DMAC_REQ_DET_RISE (1) /* Rising edge detection */ +#define DMAC_REQ_DET_LOW (2) /* Low level detection */ +#define DMAC_REQ_DET_HIGH (3) /* High level detection */ + +/* ==== Request Direction ==== */ +#define DMAC_REQ_DIR_SRC (0) /* DMAREQ is the source/ DMAACK is active when reading */ +#define DMAC_REQ_DIR_DST (1) /* DMAREQ is the destination/ DMAACK is active when writing */ + +/* ==== Descriptors ==== */ +#define DMAC_DESC_HEADER (0) /* Header */ +#define DMAC_DESC_SRC_ADDR (1) /* Source Address */ +#define DMAC_DESC_DST_ADDR (2) /* Destination Address */ +#define DMAC_DESC_COUNT (3) /* Transaction Byte */ +#define DMAC_DESC_CHCFG (4) /* Channel Confg */ +#define DMAC_DESC_CHITVL (5) /* Channel Interval */ +#define DMAC_DESC_CHEXT (6) /* Channel Extension */ +#define DMAC_DESC_LINK_ADDR (7) /* Link Address */ + +/* ==== On-chip peripheral module requests ===== */ +typedef enum dmac_request_factor +{ + DMAC_REQ_USB0_DMA0_TX, /* USB_0 channel 0 transmit FIFO empty */ + DMAC_REQ_USB0_DMA0_RX, /* USB_0 channel 0 receive FIFO full */ + DMAC_REQ_USB0_DMA1_TX, /* USB_0 channel 1 transmit FIFO empty */ + DMAC_REQ_USB0_DMA1_RX, /* USB_0 channel 1 receive FIFO full */ + DMAC_REQ_USB1_DMA0_TX, /* USB_1 channel 0 transmit FIFO empty */ + DMAC_REQ_USB1_DMA0_RX, /* USB_1 channel 0 receive FIFO full */ + DMAC_REQ_USB1_DMA1_TX, /* USB_1 channel 1 transmit FIFO empty */ + DMAC_REQ_USB1_DMA1_RX, /* USB_1 channel 1 receive FIFO full */ +} dmac_request_factor_t; + + +/******************************************************************************* +Exported global variables and functions (to be accessed by other files) +*******************************************************************************/ +void usb0_function_DMAC1_PeriReqInit(const dmac_transinfo_t *trans_info, uint32_t dmamode, uint32_t continuation, + uint32_t request_factor, uint32_t req_direction); +int32_t usb0_function_DMAC1_Open(uint32_t req); +void usb0_function_DMAC1_Close(uint32_t *remain); +void usb0_function_DMAC1_Load_Set(uint32_t src_addr, uint32_t dst_addr, uint32_t count); + +void usb0_function_DMAC2_PeriReqInit(const dmac_transinfo_t *trans_info, uint32_t dmamode, uint32_t continuation, + uint32_t request_factor, uint32_t req_direction); +int32_t usb0_function_DMAC2_Open(uint32_t req); +void usb0_function_DMAC2_Close(uint32_t *remain); +void usb0_function_DMAC2_Load_Set(uint32_t src_addr, uint32_t dst_addr, uint32_t count); + +#ifdef __cplusplus +} +#endif + +#endif /* USB0_FUNCTION_DMACDRV_H */ + +/* End of File */