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ringbuffer and device detection to USB-CAN-relay

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This commit is contained in:
Edward Emelianov
2024-08-02 11:58:40 +03:00
parent 9470b22c88
commit 0cb9b5f3c8
30 changed files with 1440 additions and 733 deletions
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62
F0:F030,F042,F072/usbcan_relay/usb_lib.h
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@@ -1,6 +1,6 @@
/*
* This file is part of the canrelay project.
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
* This file is part of the usbcanrb project.
* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -17,11 +17,9 @@
*/
#pragma once
#ifndef __USB_LIB_H__
#define __USB_LIB_H__
#include <wchar.h>
#include "usb_defs.h"
#include "usbhw.h"
#define EP0DATABUF_SIZE (64)
#define LASTADDR_DEFAULT (STM32ENDPOINTS * 8)
@@ -62,14 +60,21 @@
#define CONTROL_DTR 0x01
#define CONTROL_RTS 0x02
// wValue
#define DEVICE_DESCRIPTOR 0x100
#define CONFIGURATION_DESCRIPTOR 0x200
#define STRING_LANG_DESCRIPTOR 0x300
#define STRING_MAN_DESCRIPTOR 0x301
#define STRING_PROD_DESCRIPTOR 0x302
#define STRING_SN_DESCRIPTOR 0x303
#define DEVICE_QUALIFIER_DESCRIPTOR 0x600
// string descriptors
enum{
iLANGUAGE_DESCR,
iMANUFACTURER_DESCR,
iPRODUCT_DESCR,
iSERIAL_DESCR,
iINTERFACE_DESCR,
iDESCR_AMOUNT
};
// Types of descriptors
#define DEVICE_DESCRIPTOR 0x01
#define CONFIGURATION_DESCRIPTOR 0x02
#define STRING_DESCRIPTOR 0x03
#define DEVICE_QUALIFIER_DESCRIPTOR 0x06
#define RX_FLAG(epstat) (epstat & USB_EPnR_CTR_RX)
#define TX_FLAG(epstat) (epstat & USB_EPnR_CTR_TX)
@@ -79,14 +84,6 @@
#define KEEP_DTOG_STAT(EPnR) (EPnR & ~(USB_EPnR_STAT_RX|USB_EPnR_STAT_TX|USB_EPnR_DTOG_RX|USB_EPnR_DTOG_TX))
#define KEEP_DTOG(EPnR) (EPnR & ~(USB_EPnR_DTOG_RX|USB_EPnR_DTOG_TX))
// USB state: uninitialized, addressed, ready for use, client connected
typedef enum{
USB_STATE_DEFAULT,
USB_STATE_ADDRESSED,
USB_STATE_CONFIGURED,
USB_STATE_CONNECTED
} USB_state;
// EP types
#define EP_TYPE_BULK 0x00
#define EP_TYPE_CONTROL 0x01
@@ -115,7 +112,6 @@ static const struct name \
\
} \
name = {0x04, 0x03, lng_id}
#define STRING_LANG_DESCRIPTOR_SIZE_BYTE (4)
// EP0 configuration packet
typedef struct {
@@ -127,20 +123,14 @@ typedef struct {
} config_pack_t;
// endpoints state
typedef struct __ep_t{
typedef struct{
uint16_t *tx_buf; // transmission buffer address
uint16_t txbufsz; // transmission buffer size
uint8_t *rx_buf; // reception buffer address
void (*func)(); // endpoint action function
uint16_t rx_cnt; // received data counter
unsigned rx_cnt : 10; // received data counter
} ep_t;
// USB status & its address
typedef struct {
uint8_t USB_Status;
uint16_t USB_Addr;
}usb_dev_t;
typedef struct {
uint32_t dwDTERate;
uint8_t bCharFormat;
@@ -165,12 +155,12 @@ typedef struct {
} __attribute__ ((packed)) usb_cdc_notification;
extern ep_t endpoints[];
extern usb_dev_t USB_Dev;
extern uint8_t usbON;
extern volatile uint8_t usbON;
extern config_pack_t *setup_packet;
extern uint8_t ep0databuf[], setupdatabuf[];
void EP0_Handler();
void USB_Init();
uint8_t USB_GetState();
int EP_Init(uint8_t number, uint8_t type, uint16_t txsz, uint16_t rxsz, void (*func)());
void EP_WriteIRQ(uint8_t number, const uint8_t *buf, uint16_t size);
void EP_Write(uint8_t number, const uint8_t *buf, uint16_t size);
int EP_Read(uint8_t number, uint8_t *buf);
@@ -180,5 +170,3 @@ void linecoding_handler(usb_LineCoding *lc);
void clstate_handler(uint16_t val);
void break_handler();
void vendor_handler(config_pack_t *packet);
#endif // __USB_LIB_H__