From 39a5c822a2a2e798e2e39ff8a98b7af84253026c Mon Sep 17 00:00:00 2001 From: Joey Castillo Date: Sat, 28 Aug 2021 12:50:18 -0400 Subject: add tinyusb --- tinyusb/src/class/usbtmc/usbtmc.h | 316 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 316 insertions(+) create mode 100755 tinyusb/src/class/usbtmc/usbtmc.h (limited to 'tinyusb/src/class/usbtmc/usbtmc.h') diff --git a/tinyusb/src/class/usbtmc/usbtmc.h b/tinyusb/src/class/usbtmc/usbtmc.h new file mode 100755 index 00000000..7d7005c2 --- /dev/null +++ b/tinyusb/src/class/usbtmc/usbtmc.h @@ -0,0 +1,316 @@ + +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 N Conrad + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef _TUSB_USBTMC_H__ +#define _TUSB_USBTMC_H__ + +#include "common/tusb_common.h" + + +/* Implements USBTMC Revision 1.0, April 14, 2003 + + String descriptors must have a "LANGID=0x409"/US English string. + Characters must be 0x20 (' ') to 0x7E ('~') ASCII, + But MUST not contain: "/:?\* + Also must not have leading or trailing space (' ') + Device descriptor must state USB version 0x0200 or greater + + If USB488DeviceCapabilites.D2 = 1 (SR1), then there must be a INT endpoint. +*/ + +#define USBTMC_VERSION 0x0100 +#define USBTMC_488_VERSION 0x0100 + +typedef enum { + USBTMC_MSGID_DEV_DEP_MSG_OUT = 1u, + USBTMC_MSGID_DEV_DEP_MSG_IN = 2u, + USBTMC_MSGID_VENDOR_SPECIFIC_MSG_OUT = 126u, + USBTMC_MSGID_VENDOR_SPECIFIC_IN = 127u, + USBTMC_MSGID_USB488_TRIGGER = 128u, +} usbtmc_msgid_enum; + +/// \brief Message header (For BULK OUT and BULK IN); 4 bytes +typedef struct TU_ATTR_PACKED +{ + uint8_t MsgID ; ///< Message type ID (usbtmc_msgid_enum) + uint8_t bTag ; ///< Transfer ID 1<=bTag<=255 + uint8_t bTagInverse ; ///< Complement of the tag + uint8_t _reserved ; ///< Must be 0x00 +} usbtmc_msg_header_t; + +typedef struct TU_ATTR_PACKED +{ + usbtmc_msg_header_t header; + uint8_t data[8]; +} usbtmc_msg_generic_t; + +/* Uses on the bulk-out endpoint: */ +// Next 8 bytes are message-specific +typedef struct TU_ATTR_PACKED { + usbtmc_msg_header_t header ; ///< Header + uint32_t TransferSize ; ///< Transfer size; LSB first + struct TU_ATTR_PACKED + { + unsigned int EOM : 1 ; ///< EOM set on last byte + } bmTransferAttributes; + uint8_t _reserved[3]; +} usbtmc_msg_request_dev_dep_out; + +TU_VERIFY_STATIC(sizeof(usbtmc_msg_request_dev_dep_out) == 12u, "struct wrong length"); + +// Next 8 bytes are message-specific +typedef struct TU_ATTR_PACKED +{ + usbtmc_msg_header_t header ; ///< Header + uint32_t TransferSize ; ///< Transfer size; LSB first + struct TU_ATTR_PACKED + { + unsigned int TermCharEnabled : 1 ; ///< "The Bulk-IN transfer must terminate on the specified TermChar."; CAPABILITIES must list TermChar + } bmTransferAttributes; + uint8_t TermChar; + uint8_t _reserved[2]; +} usbtmc_msg_request_dev_dep_in; + +TU_VERIFY_STATIC(sizeof(usbtmc_msg_request_dev_dep_in) == 12u, "struct wrong length"); + +/* Bulk-in headers */ + +typedef struct TU_ATTR_PACKED +{ + usbtmc_msg_header_t header; + uint32_t TransferSize; + struct TU_ATTR_PACKED + { + uint8_t EOM: 1; ///< Last byte of transfer is the end of the message + uint8_t UsingTermChar: 1; ///< Support TermChar && Request.TermCharEnabled && last char in transfer is TermChar + } bmTransferAttributes; + uint8_t _reserved[3]; +} usbtmc_msg_dev_dep_msg_in_header_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_msg_dev_dep_msg_in_header_t) == 12u, "struct wrong length"); + +/* Unsupported vendor things.... Are these ever used?*/ + +typedef struct TU_ATTR_PACKED +{ + usbtmc_msg_header_t header ; ///< Header + uint32_t TransferSize ; ///< Transfer size; LSB first + uint8_t _reserved[4]; +} usbtmc_msg_request_vendor_specific_out; + + +TU_VERIFY_STATIC(sizeof(usbtmc_msg_request_vendor_specific_out) == 12u, "struct wrong length"); + +typedef struct TU_ATTR_PACKED +{ + usbtmc_msg_header_t header ; ///< Header + uint32_t TransferSize ; ///< Transfer size; LSB first + uint8_t _reserved[4]; +} usbtmc_msg_request_vendor_specific_in; + +TU_VERIFY_STATIC(sizeof(usbtmc_msg_request_vendor_specific_in) == 12u, "struct wrong length"); + +// Control request type should use tusb_control_request_t + +/* +typedef struct TU_ATTR_PACKED { + struct { + unsigned int Recipient : 5 ; ///< EOM set on last byte + unsigned int Type : 2 ; ///< EOM set on last byte + unsigned int DirectionToHost : 1 ; ///< 0 is OUT, 1 is IN + } bmRequestType; + uint8_t bRequest ; ///< If bmRequestType.Type = Class, see usmtmc_request_type_enum + uint16_t wValue ; + uint16_t wIndex ; + uint16_t wLength ; // Number of bytes in data stage +} usbtmc_class_specific_control_req; + +*/ +// bulk-in protocol errors +enum { + USBTMC_BULK_IN_ERR_INCOMPLETE_HEADER = 1u, + USBTMC_BULK_IN_ERR_UNSUPPORTED = 2u, + USBTMC_BULK_IN_ERR_BAD_PARAMETER = 3u, + USBTMC_BULK_IN_ERR_DATA_TOO_SHORT = 4u, + USBTMC_BULK_IN_ERR_DATA_TOO_LONG = 5u, +}; +// bult-in halt errors +enum { + USBTMC_BULK_IN_ERR = 1u, ///< receives a USBTMC command message that expects a response while a + /// Bulk-IN transfer is in progress +}; + +typedef enum { + USBTMC_bREQUEST_INITIATE_ABORT_BULK_OUT = 1u, + USBTMC_bREQUEST_CHECK_ABORT_BULK_OUT_STATUS = 2u, + USBTMC_bREQUEST_INITIATE_ABORT_BULK_IN = 3u, + USBTMC_bREQUEST_CHECK_ABORT_BULK_IN_STATUS = 4u, + USBTMC_bREQUEST_INITIATE_CLEAR = 5u, + USBTMC_bREQUEST_CHECK_CLEAR_STATUS = 6u, + USBTMC_bREQUEST_GET_CAPABILITIES = 7u, + + USBTMC_bREQUEST_INDICATOR_PULSE = 64u, // Optional + + /****** USBTMC 488 *************/ + USB488_bREQUEST_READ_STATUS_BYTE = 128u, + USB488_bREQUEST_REN_CONTROL = 160u, + USB488_bREQUEST_GO_TO_LOCAL = 161u, + USB488_bREQUEST_LOCAL_LOCKOUT = 162u, + +} usmtmc_request_type_enum; + +typedef enum { + USBTMC_STATUS_SUCCESS = 0x01, + USBTMC_STATUS_PENDING = 0x02, + USBTMC_STATUS_FAILED = 0x80, + USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS = 0x81, + USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS = 0x82, + USBTMC_STATUS_SPLIT_IN_PROGRESS = 0x83 +} usbtmc_status_enum; + +/************************************************************ + * Control Responses + */ + +typedef struct TU_ATTR_PACKED { + uint8_t USBTMC_status; ///< usbtmc_status_enum + uint8_t _reserved; + uint16_t bcdUSBTMC; ///< USBTMC_VERSION + + struct TU_ATTR_PACKED + { + unsigned int listenOnly :1; + unsigned int talkOnly :1; + unsigned int supportsIndicatorPulse :1; + } bmIntfcCapabilities; + struct TU_ATTR_PACKED + { + unsigned int canEndBulkInOnTermChar :1; + } bmDevCapabilities; + uint8_t _reserved2[6]; + uint8_t _reserved3[12]; +} usbtmc_response_capabilities_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_response_capabilities_t) == 0x18, "struct wrong length"); + +typedef struct TU_ATTR_PACKED +{ + uint8_t USBTMC_status; + struct TU_ATTR_PACKED + { + unsigned int BulkInFifoBytes :1; + } bmClear; +} usbtmc_get_clear_status_rsp_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_get_clear_status_rsp_t) == 2u, "struct wrong length"); + +// Used for both abort bulk IN and bulk OUT +typedef struct TU_ATTR_PACKED +{ + uint8_t USBTMC_status; + uint8_t bTag; +} usbtmc_initiate_abort_rsp_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_get_clear_status_rsp_t) == 2u, "struct wrong length"); + +// Used for both check_abort_bulk_in_status and check_abort_bulk_out_status +typedef struct TU_ATTR_PACKED +{ + uint8_t USBTMC_status; + struct TU_ATTR_PACKED + { + unsigned int BulkInFifoBytes : 1; ///< Has queued data or a short packet that is queued + } bmAbortBulkIn; + uint8_t _reserved[2]; ///< Must be zero + uint32_t NBYTES_RXD_TXD; +} usbtmc_check_abort_bulk_rsp_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_check_abort_bulk_rsp_t) == 8u, "struct wrong length"); + +typedef struct TU_ATTR_PACKED +{ + uint8_t USBTMC_status; ///< usbtmc_status_enum + uint8_t _reserved; + uint16_t bcdUSBTMC; ///< USBTMC_VERSION + + struct TU_ATTR_PACKED + { + unsigned int listenOnly :1; + unsigned int talkOnly :1; + unsigned int supportsIndicatorPulse :1; + } bmIntfcCapabilities; + + struct TU_ATTR_PACKED + { + unsigned int canEndBulkInOnTermChar :1; + } bmDevCapabilities; + + uint8_t _reserved2[6]; + uint16_t bcdUSB488; + + struct TU_ATTR_PACKED + { + unsigned int is488_2 :1; + unsigned int supportsREN_GTL_LLO :1; + unsigned int supportsTrigger :1; + } bmIntfcCapabilities488; + + struct TU_ATTR_PACKED + { + unsigned int SCPI :1; + unsigned int SR1 :1; + unsigned int RL1 :1; + unsigned int DT1 :1; + } bmDevCapabilities488; + uint8_t _reserved3[8]; +} usbtmc_response_capabilities_488_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_response_capabilities_488_t) == 0x18, "struct wrong length"); + +typedef struct TU_ATTR_PACKED +{ + uint8_t USBTMC_status; + uint8_t bTag; + uint8_t statusByte; +} usbtmc_read_stb_rsp_488_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_read_stb_rsp_488_t) == 3u, "struct wrong length"); + +typedef struct TU_ATTR_PACKED +{ + struct TU_ATTR_PACKED + { + unsigned int bTag : 7; + unsigned int one : 1; + } bNotify1; + uint8_t StatusByte; +} usbtmc_read_stb_interrupt_488_t; + +TU_VERIFY_STATIC(sizeof(usbtmc_read_stb_interrupt_488_t) == 2u, "struct wrong length"); + +#endif + -- cgit v1.2.3