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/*
* Copyright (c) 2024 ~ 2025, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USBH_CH34X_H
#define USBH_CH34X_H
#include "usb_cdc.h"
/* Requests */
#define CH34X_READ_VERSION 0x5F
#define CH34X_WRITE_REG 0x9A
#define CH34X_READ_REG 0x95
#define CH34X_SERIAL_INIT 0xA1
#define CH34X_MODEM_CTRL 0xA4
// modem control bits
#define CH34X_BIT_RTS (1 << 6)
#define CH34X_BIT_DTR (1 << 5)
#define CH341_CTO_O 0x10
#define CH341_CTO_D 0x20
#define CH341_CTO_R 0x40
#define CH341_CTI_C 0x01
#define CH341_CTI_DS 0x02
#define CH341_CTRL_RI 0x04
#define CH341_CTI_DC 0x08
#define CH341_CTI_ST 0x0f
#define CH341_CTT_M BIT(3)
#define CH341_CTT_F (BIT(2) | BIT(6))
#define CH341_CTT_P BIT(2)
#define CH341_CTT_O BIT(1)
#define CH341_L_ER 0x80
#define CH341_L_ET 0x40
#define CH341_L_PS 0x38
#define CH341_L_PM 0x28
#define CH341_L_PE 0x18
#define CH341_L_PO 0x08
#define CH341_L_SB 0x04
#define CH341_L_D8 0x03
#define CH341_L_D7 0x02
#define CH341_L_D6 0x01
#define CH341_L_D5 0x00
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* USBH_CH34X_H */
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