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https://github.com/eddyem/stm32samples.git
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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f1.h>
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#include "usb_descr.h"
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#include "usb_lib.h"
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// interfaces:
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#define I_CMD (0)
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#define I_X (1)
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#define I_Y (2)
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typedef struct {
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uint32_t dwDTERate;
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uint8_t bCharFormat;
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#define USB_CDC_1_STOP_BITS 0
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#define USB_CDC_1_5_STOP_BITS 1
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#define USB_CDC_2_STOP_BITS 2
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uint8_t bParityType;
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#define USB_CDC_NO_PARITY 0
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#define USB_CDC_ODD_PARITY 1
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#define USB_CDC_EVEN_PARITY 2
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#define USB_CDC_MARK_PARITY 3
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#define USB_CDC_SPACE_PARITY 4
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uint8_t bDataBits;
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} __attribute__ ((packed)) usb_LineCoding;
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extern volatile uint8_t CDCready[bTotNumEndpoints];
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void break_handler(uint8_t ifno);
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void clstate_handler(uint8_t ifno, uint16_t val);
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void linecoding_handler(uint8_t ifno, usb_LineCoding *lc);
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// as ugly CDC have no BREAK after disconnected client in non-canonical mode, we should use timeout - more than 2ms
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#define DISCONN_TMOUT (2)
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// sizes of ringbuffers for outgoing and incoming data
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#define RBOUTSZ (512)
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#define RBINSZ (128)
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#define newline(ifno) USB_putbyte(ifno, '\n')
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#define USND(ifno, s) do{USB_sendstr(ifno, s); USB_putbyte(ifno, '\n');}while(0)
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#define CMDWR(s) USB_sendstr(I_CMD, s)
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#define CMDWRn(s) do{USB_sendstr(I_CMD, s); USB_putbyte(I_CMD, '\n');}while(0)
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#define CMDn() USB_putbyte(I_CMD, '\n')
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#ifdef EBUG
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#define STR_HELPER(s) #s
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#define STR(s) STR_HELPER(s)
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#define DBG(str) do{USB_sendstr(I_CMD, __FILE__ " (L" STR(__LINE__) "): " str); USB_putbyte(I_CMD, '\n');}while(0)
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#define DBGs(str) do{USB_sendstr(I_CMD, str); USB_sendstr(I_CMD, "\n");}while(0)
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#else
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#define DBG(s)
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#define DBGs(s)
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#endif
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int USB_sendall(uint8_t ifno);
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int USB_send(uint8_t ifno, const uint8_t *buf, int len);
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int USB_putbyte(uint8_t ifno, uint8_t byte);
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int USB_sendstr(uint8_t ifno, const char *string);
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int USB_receive(uint8_t ifno, uint8_t *buf, int len);
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int USB_receivestr(uint8_t ifno, char *buf, int len);
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