2 * Copyright (C) 2006 Paul Davis
3 * Copyright (C) 2007 Michael Taht
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <tranzport_control_protocol.h>
23 // doing these functions made me realize that screen_invalid should be lcd_isdamaged FIXME soon
25 bool TranzportControlProtocol::lcd_damage()
31 bool TranzportControlProtocol::lcd_damage (int row, int col, int length)
33 std::bitset<ROWS*COLUMNS> mask1(0);
34 // there's an intrinsic to do this fast, darn it, or I'm just sleepy
35 for (int i = 0; i < length; i++) { mask1[i] = 1; }
36 std::bitset<ROWS*COLUMNS> mask(mask1 << (row*COLUMNS+col));
37 screen_invalid |= mask;
41 // Still working on the layering, arguably screen_invalid should be lcd_invalid
44 bool TranzportControlProtocol::lcd_isdamaged ()
46 if(screen_invalid.any()) {
47 #if DEBUG_TRANZPORT > 5
48 printf("LCD is damaged somewhere, should redraw it\n");
55 bool TranzportControlProtocol::lcd_isdamaged (int row, int col, int length)
57 // there's an intrinsic to do this fast, darn it
58 std::bitset<ROWS*COLUMNS> mask1(0);
59 for (int i = 0; i < length; i++) { mask1[i] = 1; }
60 std::bitset<ROWS*COLUMNS> mask(mask1 << (row*COLUMNS+col));
61 mask &= screen_invalid;
63 #if DEBUG_TRANZPORT > 5
64 printf("row: %d,col: %d is damaged, should redraw it\n", row,col);
71 // lcd_clear would be a separate function for a smart display
72 // here it does nothing, but for the sake of completeness it should
73 // probably write the lcd, and while I'm on the topic it should probably
74 // take a row, col, length argument....
77 TranzportControlProtocol::lcd_clear ()
82 // These lcd commands are not universally used yet and may drop out of the api
85 TranzportControlProtocol::lcd_flush ()
91 TranzportControlProtocol::lcd_write(uint8_t* cmd, uint32_t timeout_override)
94 #if (DEBUG_TRANZPORT_SCREEN > 0)
95 printf("VALID : %s\n", (screen_invalid.to_string()).c_str());
97 if ((result = write(cmd,timeout_override))) {
98 #if DEBUG_TRANZPORT > 4
99 printf("usb screen update failed for some reason... why? \nresult, cmd and data were %d %02x %02x %02x %02x %02x %02x %02x %02x\n",
100 result, cmd[0],cmd[1],cmd[2], cmd[3], cmd[4], cmd[5],cmd[6],cmd[7]);
107 TranzportControlProtocol::lcd_fill (uint8_t fill_char)
112 TranzportControlProtocol::lcd_print (int row, int col, const char* text)
117 void TranzportControlProtocol::lcd_print_noretry (int row, int col, const char* text)