121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
/*
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* Copyright (C) 2006 Paul Davis
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* Copyright (C) 2007 Michael Taht
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* */
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#include <tranzport_control_protocol.h>
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// doing these functions made me realize that screen_invalid should be lcd_isdamaged FIXME soon
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bool TranzportControlProtocol::lcd_damage()
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{
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screen_invalidate();
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return true;
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}
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bool TranzportControlProtocol::lcd_damage (int row, int col, int length)
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{
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std::bitset<ROWS*COLUMNS> mask1(0);
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// there's an intrinsic to do this fast, darn it, or I'm just sleepy
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for (int i = 0; i < length; i++) { mask1[i] = 1; }
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std::bitset<ROWS*COLUMNS> mask(mask1 << (row*COLUMNS+col));
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screen_invalid |= mask;
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return true;
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}
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// Still working on the layering, arguably screen_invalid should be lcd_invalid
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// or vice versa
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bool TranzportControlProtocol::lcd_isdamaged ()
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{
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if(screen_invalid.any()) {
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#if DEBUG_TRANZPORT > 5
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printf("LCD is damaged somewhere, should redraw it\n");
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#endif
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return true;
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}
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return false;
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}
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bool TranzportControlProtocol::lcd_isdamaged (int row, int col, int length)
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{
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// there's an intrinsic to do this fast, darn it
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std::bitset<ROWS*COLUMNS> mask1(0);
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for (int i = 0; i < length; i++) { mask1[i] = 1; }
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std::bitset<ROWS*COLUMNS> mask(mask1 << (row*COLUMNS+col));
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mask &= screen_invalid;
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if(mask.any()) {
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#if DEBUG_TRANZPORT > 5
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printf("row: %d,col: %d is damaged, should redraw it\n", row,col);
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#endif
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return true;
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}
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return false;
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}
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// lcd_clear would be a separate function for a smart display
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// here it does nothing, but for the sake of completeness it should
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// probably write the lcd, and while I'm on the topic it should probably
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// take a row, col, length argument....
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void
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TranzportControlProtocol::lcd_clear ()
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{
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}
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// These lcd commands are not universally used yet and may drop out of the api
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int
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TranzportControlProtocol::lcd_flush ()
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{
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return 0;
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}
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int
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TranzportControlProtocol::lcd_write(uint8_t* cmd, uint32_t timeout_override)
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{
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int result;
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#if (DEBUG_TRANZPORT_SCREEN > 0)
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printf("VALID : %s\n", (screen_invalid.to_string()).c_str());
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#endif
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if ((result = write(cmd,timeout_override))) {
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#if DEBUG_TRANZPORT > 4
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printf("usb screen update failed for some reason... why? \nresult, cmd and data were %d %02x %02x %02x %02x %02x %02x %02x %02x\n",
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result, cmd[0],cmd[1],cmd[2], cmd[3], cmd[4], cmd[5],cmd[6],cmd[7]);
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#endif
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}
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return result;
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}
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void
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TranzportControlProtocol::lcd_fill (uint8_t fill_char)
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{
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}
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void
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TranzportControlProtocol::lcd_print (int row, int col, const char* text)
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{
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print(row,col,text);
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}
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void TranzportControlProtocol::lcd_print_noretry (int row, int col, const char* text)
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{
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print(row,col,text);
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}
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