61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2023 Heiko Kuester
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*
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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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*
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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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*
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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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* This file is part of the TinyUSB stack.
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*/
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#ifndef _CH34X_H_
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#define _CH34X_H_
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// set line_coding @ enumeration
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#ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM
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#define CFG_TUH_CDC_LINE_CODING_ON_ENUM_CH34X CFG_TUH_CDC_LINE_CODING_ON_ENUM
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#else // this default is necessary to work properly
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#define CFG_TUH_CDC_LINE_CODING_ON_ENUM_CH34X { 9600, CDC_LINE_CONDING_STOP_BITS_1, CDC_LINE_CODING_PARITY_NONE, 8 }
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#endif
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// USB requests
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#define CH34X_REQ_READ_VERSION 0x5F // dec 95
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#define CH34X_REQ_WRITE_REG 0x9A // dec 154
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#define CH34X_REQ_READ_REG 0x95 // dec 149
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#define CH34X_REQ_SERIAL_INIT 0xA1 // dec 161
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#define CH34X_REQ_MODEM_CTRL 0xA4 // dev 164
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// modem control bits
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#define CH34X_BIT_RTS ( 1 << 6 )
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#define CH34X_BIT_DTR ( 1 << 5 )
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// line control bits
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#define CH34X_LCR_ENABLE_RX 0x80
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#define CH34X_LCR_ENABLE_TX 0x40
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#define CH34X_LCR_MARK_SPACE 0x20
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#define CH34X_LCR_PAR_EVEN 0x10
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#define CH34X_LCR_ENABLE_PAR 0x08
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#define CH34X_LCR_STOP_BITS_2 0x04
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#define CH34X_LCR_CS8 0x03
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#define CH34X_LCR_CS7 0x02
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#define CH34X_LCR_CS6 0x01
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#define CH34X_LCR_CS5 0x00
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#endif /* _CH34X_H_ */
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