1 /* 2 * Copyright (c) 2024, sakumisu 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef USBH_PL2303_H 7 #define USBH_PL2303_H 8 9 #include "usb_cdc.h" 10 11 #define PL2303_SET_REQUEST 0x01 12 #define PL2303_SET_REQUEST_PL2303HXN 0x80 13 #define PL2303_SET_CRTSCTS 0x41 14 #define PL2303_SET_CRTSCTS_PL2303X 0x61 15 #define PL2303_SET_CRTSCTS_PL2303HXN 0xFA 16 #define PL2303_CLEAR_CRTSCTS_PL2303HXN 0xFF 17 #define PL2303_CRTSCTS_REG_PL2303HXN 0x0A 18 #define PL2303_STATUS_REG_PL2303HX 0x8080 19 20 /* Different PL2303 IC types */ 21 #define USBH_PL2303_TYPE_UNKNOWN 0 22 #define USBH_PL2303_TYPE_PL2303 1 23 #define USBH_PL2303_TYPE_PL2303HX 2 24 #define USBH_PL2303_TYPE_PL2303HXD 3 25 #define USBH_PL2303_TYPE_PL2303HXN 4 26 27 struct usbh_pl2303 { 28 struct usbh_hubport *hport; 29 struct usb_endpoint_descriptor *bulkin; /* Bulk IN endpoint */ 30 struct usb_endpoint_descriptor *bulkout; /* Bulk OUT endpoint */ 31 32 struct usbh_urb bulkout_urb; 33 struct usbh_urb bulkin_urb; 34 35 struct cdc_line_coding linecoding; 36 37 uint8_t intf; 38 uint8_t minor; 39 uint8_t chiptype; 40 41 void *user_data; 42 }; 43 44 #ifdef __cplusplus 45 extern "C" { 46 #endif 47 48 int usbh_pl2303_set_line_coding(struct usbh_pl2303 *pl2303_class, struct cdc_line_coding *line_coding); 49 int usbh_pl2303_get_line_coding(struct usbh_pl2303 *pl2303_class, struct cdc_line_coding *line_coding); 50 int usbh_pl2303_set_line_state(struct usbh_pl2303 *pl2303_class, bool dtr, bool rts); 51 52 int usbh_pl2303_bulk_in_transfer(struct usbh_pl2303 *pl2303_class, uint8_t *buffer, uint32_t buflen, uint32_t timeout); 53 int usbh_pl2303_bulk_out_transfer(struct usbh_pl2303 *pl2303_class, uint8_t *buffer, uint32_t buflen, uint32_t timeout); 54 55 void usbh_pl2303_run(struct usbh_pl2303 *pl2303_class); 56 void usbh_pl2303_stop(struct usbh_pl2303 *pl2303_class); 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* USBH_PL2303_H */ 63