mirror of
https://github.com/candle-usb/candleLight_fw.git
synced 2025-01-14 05:42:53 +08:00
119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/*
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The MIT License (MIT)
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Copyright (c) 2016 Hubert Denkmair
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "can.h"
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#include "compiler.h"
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#include "config.h"
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#include "gs_usb.h"
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#include "led.h"
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#include "list.h"
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#include "usbd_def.h"
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/* Define these here so they can be referenced in other files */
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#define GS_CAN_EP0_BUF_SIZE \
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max5(sizeof(struct gs_host_config), \
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sizeof(struct gs_device_bittiming), \
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sizeof(struct gs_device_mode), \
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sizeof(struct gs_identify_mode), \
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sizeof(struct gs_device_termination_state))
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#ifdef CONFIG_CANFD
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#define CAN_DATA_MAX_PACKET_SIZE 64 /* Endpoint IN & OUT Packet size */
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#else
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#define CAN_DATA_MAX_PACKET_SIZE 32 /* Endpoint IN & OUT Packet size */
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#endif
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#define USB_CAN_CONFIG_DESC_SIZ 50
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#define USBD_GS_CAN_VENDOR_CODE 0x20
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#define DFU_INTERFACE_NUM 1
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#define DFU_INTERFACE_STR_INDEX 0xE0
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extern USBD_ClassTypeDef USBD_GS_CAN;
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#ifdef CONFIG_CANFD
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#define GS_HOST_FRAME_SIZE struct_size((struct gs_host_frame *)NULL, canfd_ts, 1)
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#else
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#define GS_HOST_FRAME_SIZE struct_size((struct gs_host_frame *)NULL, classic_can_ts, 1)
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#endif
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struct gs_host_frame_object {
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struct list_head list;
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union {
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uint8_t _buf[GS_HOST_FRAME_SIZE];
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struct gs_host_frame frame;
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};
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};
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typedef struct {
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uint8_t __aligned(4) ep0_buf[GS_CAN_EP0_BUF_SIZE];
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USBD_SetupReqTypedef last_setup_request;
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struct list_head list_frame_pool;
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struct list_head list_to_host;
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struct gs_host_frame_object *from_host_buf;
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struct gs_host_frame_object *to_host_buf;
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can_data_t channels[NUM_CAN_CHANNEL];
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bool dfu_detach_requested;
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bool timestamps_enabled;
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uint32_t sof_timestamp_us;
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bool pad_pkts_to_max_pkt_size;
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struct gs_host_frame_object msgbuf[CAN_QUEUE_SIZE];
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} USBD_GS_CAN_HandleTypeDef __attribute__ ((aligned (4)));
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#if defined(STM32F0)
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# define USB_INTERFACE USB
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# define USB_INTERRUPT USB_IRQn
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#elif defined(STM32F4)
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# define USB_INTERFACE USB_OTG_FS
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# define USB_INTERRUPT OTG_FS_IRQn
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// RX FIFO is defined in words, so divide bytes by 4
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// RX FIFO size chosen according to reference manual RM0368 which suggests
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// using (largest packet size / 4) + 1
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# define USB_RX_FIFO_SIZE ((256U / 4U) + 1U)
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#endif
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uint8_t USBD_GS_CAN_Init(USBD_GS_CAN_HandleTypeDef *hcan, USBD_HandleTypeDef *pdev);
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void USBD_GS_CAN_SuspendCallback(USBD_HandleTypeDef *pdev);
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void USBD_GS_CAN_ResumeCallback(USBD_HandleTypeDef *pdev);
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void USBD_GS_CAN_ReceiveFromHost(USBD_HandleTypeDef *pdev);
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void USBD_GS_CAN_SendToHost(USBD_HandleTypeDef *pdev);
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bool USBD_GS_CAN_CustomDeviceRequest(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
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bool USBD_GS_CAN_CustomInterfaceRequest(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req);
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bool USBD_GS_CAN_DfuDetachRequested(USBD_HandleTypeDef *pdev);
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