57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
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/*
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* Copyright (c) 2024 ~ 2025, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef USBH_CH34X_H
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#define USBH_CH34X_H
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#include "usb_cdc.h"
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/* Requests */
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#define CH34X_READ_VERSION 0x5F
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#define CH34X_WRITE_REG 0x9A
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#define CH34X_READ_REG 0x95
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#define CH34X_SERIAL_INIT 0xA1
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#define CH34X_MODEM_CTRL 0xA4
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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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#define CH341_CTO_O 0x10
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#define CH341_CTO_D 0x20
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#define CH341_CTO_R 0x40
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#define CH341_CTI_C 0x01
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#define CH341_CTI_DS 0x02
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#define CH341_CTRL_RI 0x04
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#define CH341_CTI_DC 0x08
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#define CH341_CTI_ST 0x0f
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#define CH341_CTT_M BIT(3)
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#define CH341_CTT_F (BIT(2) | BIT(6))
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#define CH341_CTT_P BIT(2)
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#define CH341_CTT_O BIT(1)
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#define CH341_L_ER 0x80
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#define CH341_L_ET 0x40
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#define CH341_L_PS 0x38
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#define CH341_L_PM 0x28
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#define CH341_L_PE 0x18
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#define CH341_L_PO 0x08
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#define CH341_L_SB 0x04
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#define CH341_L_D8 0x03
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#define CH341_L_D7 0x02
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#define CH341_L_D6 0x01
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#define CH341_L_D5 0x00
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* USBH_CH34X_H */
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