106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
// Purpose: IPC methods between scanner and user-interface (keyboard, monitor, power, ...)
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//
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// Date: 2024-01-09
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//
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// Thinking: This module can provide services independently of the scanner-service program
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//
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#pragma once
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#include <functional>
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#include <string>
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namespace devui
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{
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enum scan
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{
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SCAN_STOPPED = 0, // scanning work is stopped
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SCAN_PAUSED, // finished ONE turn scanning in auto-scan
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SCAN_NORMAL,
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SCAN_COUNT_MODE,
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};
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enum strength
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{
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STRENGTH_LOW = 1,
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STRENGTH_MID,
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STRENGTH_HIGH,
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};
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enum uicmd
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{
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UI_CMD_COUNT_PAPER = 0x10,
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UI_CMD_STOP_SCAN,
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UI_CMD_CLEAN_PASSWAY = 0x30,
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UI_CMD_ADD_MENU = 0x100, // data: LPADDMENU
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UI_CMD_SET_OPTION_VALUE, // data: string array - name + value
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UI_STATUS_READY = 0x1000,
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UI_STATUS_SCANNING, // begin scanning. data: (LPSCANSTREAM)
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UI_STATUS_PAPER_CNT, // ONE paper has pass through. data: (uint32_t*)milliseconds for paper pass through
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UI_STATUS_MESSAGE, // status message, hold screen. data: LPSTATMSG
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UI_STATUS_PEER_CONNECTED = 0x8000, // peer connected.
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UI_STATUS_PEER_CLOSED,
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};
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enum align_component
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{
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ALIGN_COMPONENT_HEAD = 0,
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ALIGN_COMPONENT_MID,
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ALIGN_COMPONENT_TAIL,
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};
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enum clear_method
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{
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CLEAR_NONE = 0, // no clear
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CLEAR_ALL, // clear all screen
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CLEAR_LINE, // clear the lines which the content will output
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};
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#pragma pack(push)
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#pragma pack(1)
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typedef struct _msg_stream
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{
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uint16_t ver;
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uint16_t size; // bytes of data
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uint32_t msg; // uicmd
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uint8_t data[4];
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uint32_t whole_size(void)
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{
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if(size > sizeof(data))
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return sizeof(*this) + size - sizeof(data);
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else
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return sizeof(*this);
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}
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}MSGSTREAM, *LPMSGSTREAM;
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typedef struct _scan_stream
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{
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uint32_t mode : 5; // see enum scan
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uint32_t speed : 27;
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uint32_t err; // err message word ID, 0 is normal
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}SCANSTREAM, *LPSCANSTREAM;
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typedef struct _status_msg
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{
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uint32_t msg_words_id; // words.h
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uint32_t align_h : 3; // align_component
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uint32_t align_v : 3; // align_component
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uint32_t clear : 4; // clear screen method
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uint32_t font : 8; // font size
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uint32_t reserved : 14;
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}STATMSG, *LPSTATMSG;
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typedef struct _opt_menu
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{
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uint32_t pos; // -1 is not care
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uint8_t cur_sel;
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uint8_t title_off; // -1 is no title
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uint16_t value_off;
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char name[4];
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}OPTMENU, *LPOPTMENU;
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#pragma pack(pop)
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void init_ui(std::function<void(LPMSGSTREAM)> uicb, bool ui);
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void uninit_ui(void);
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bool send_message(uint32_t msgid, uint8_t* data = nullptr, uint8_t size = 0); // re-init if return false
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bool send_status_message(uint32_t msgid, int align_h = ALIGN_COMPONENT_MID, int align_v = ALIGN_COMPONENT_MID, int font = 16, int clears = CLEAR_ALL);
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};
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