copy InterfaceBoard as 7CDCs template

F3:F303/Seven_CDCs.deprecated/usb.h

@@ -0,0 +1,65 @@
+/*
+ * This file is part of the SevenCDCs 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "ringbuffer.h"
+#include "usbhw.h"
+
+// sizes of ringbuffers for outgoing and incoming data
+#define RBOUTSZ     (128)
+#define RBINSZ      (128)
+
+#define newline(x)  USB_putbyte(x, '\n')
+#define USND(x, s)  do{USB_sendstr(x, s); USB_putbyte(x, '\n');}while(0)
+
+#define STR_HELPER(s)   #s
+#define STR(s)          STR_HELPER(s)
+
+// functional EPs
+#define CMD_EPNO    1
+#define DBG_EPNO    2
+#define USART1_EPNO 3
+#define USART2_EPNO 4
+#define USART3_EPNO 5
+#define USART4_EPNO 6
+#define CAN_EPNO    7
+// total amount of working EPs
+#define MAX_EPNO    7
+
+#define USARTMAX_EPNO USART3_EPNO
+// functional indexes
+#define CMD_IDX     (CMD_EPNO-1)
+#define CAN_IDX     (CAN_EPNO-1)
+#define DBG_IDX     (DBG_EPNO-1)
+#define USART1_IDX  (USART1_EPNO-1)
+#define USART2_IDX  (USART2_EPNO-1)
+#define USART3_IDX  (USART3_EPNO-1)
+#define USART4_IDX  (USART4_EPNO-1)
+#define MAX_IDX     (MAX_EPNO)
+
+extern volatile ringbuffer rbout[], rbin[];
+extern volatile uint8_t bufisempty[], bufovrfl[];
+
+void send_next(int ifNo);
+int USB_sendall(int ifNo);
+int USB_send(int ifNo, const uint8_t *buf, int len);
+int USB_putbyte(int ifNo, uint8_t byte);
+int USB_sendstr(int ifNo, const char *string);
+int USB_receive(int ifNo, uint8_t *buf, int len);
+int USB_receivestr(int ifNo, char *buf, int len);