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F3:F303/I2C_scan/usb_dev.h

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+/*
+ * Copyright 2024 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 <stm32f3.h>
+#include "usb_lib.h"
+
+typedef struct {
+    uint32_t dwDTERate;
+    uint8_t bCharFormat;
+#define USB_CDC_1_STOP_BITS   0
+#define USB_CDC_1_5_STOP_BITS 1
+#define USB_CDC_2_STOP_BITS   2
+    uint8_t bParityType;
+#define USB_CDC_NO_PARITY     0
+#define USB_CDC_ODD_PARITY    1
+#define USB_CDC_EVEN_PARITY   2
+#define USB_CDC_MARK_PARITY   3
+#define USB_CDC_SPACE_PARITY  4
+    uint8_t bDataBits;
+} __attribute__ ((packed)) usb_LineCoding;
+
+extern usb_LineCoding lineCoding;
+extern volatile uint8_t CDCready;
+
+void break_handler();
+void clstate_handler(uint16_t val);
+void linecoding_handler(usb_LineCoding *lc);
+
+
+// sizes of ringbuffers for outgoing and incoming data
+#define RBOUTSZ     (1024)
+#define RBINSZ      (1024)
+
+#define newline()   USB_putbyte('\n')
+#define USND(s)     do{USB_sendstr(s); USB_putbyte('\n');}while(0)
+#define U(s)        USB_sendstr(s)
+
+int USB_sendall();
+int USB_send(const uint8_t *buf, int len);
+int USB_putbyte(uint8_t byte);
+int USB_sendstr(const char *string);
+int USB_receive(uint8_t *buf, int len);
+int USB_receivestr(char *buf, int len);