ardupilot/libraries/AP_Notify/Display.cpp

577 lines
18 KiB
C++

/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Notify display driver for 128 x 64 pixel displays */
#include "Display.h"
#include "Display_SH1106_I2C.h"
#include "Display_SSD1306_I2C.h"
#include "Display_SITL.h"
#include "AP_Notify.h"
#include <stdio.h>
#include <AP_GPS/AP_GPS.h>
#include <AP_BattMonitor/AP_BattMonitor.h>
#include <utility>
extern const AP_HAL::HAL& hal;
// Bit Map
// Rotate right 90 degrees
// Ex: 0x7C, 0x12, 0x11, 0x12, 0x7C, // 'A'
// 0XXXXX00
// 000X00X0
// 000X000X
// 000X00X0
// 0XXXXX00
static const uint8_t _font[] = {
#ifdef AP_NOTIFY_DISPLAY_USE_EMOJI
// 0x Group
0x00, 0x00, 0x00, 0x00, 0x00, // 00
0x3E, 0x5B, 0x4F, 0x5B, 0x3E, // 01
0x3E, 0x6B, 0x4F, 0x6B, 0x3E, // 02
0x1C, 0x3E, 0x7C, 0x3E, 0x1C, // 03
0x18, 0x3C, 0x7E, 0x3C, 0x18, // 04
0x1C, 0x57, 0x7D, 0x57, 0x1C, // 05
0x1C, 0x5E, 0x7F, 0x5E, 0x1C, // 06
0x00, 0x18, 0x3C, 0x18, 0x00, // 07
0xFF, 0xE7, 0xC3, 0xE7, 0xFF, // 08
0x00, 0x18, 0x24, 0x18, 0x00, // 09
0xFF, 0xE7, 0xDB, 0xE7, 0xFF, // 0A
0x30, 0x48, 0x3A, 0x06, 0x0E, // 0B
0x26, 0x29, 0x79, 0x29, 0x26, // 0C
0x40, 0x7F, 0x05, 0x05, 0x07, // 0D
0x40, 0x7F, 0x05, 0x25, 0x3F, // 0E
0x5A, 0x3C, 0xE7, 0x3C, 0x5A, // 0F
// 1x Group
0x7F, 0x3E, 0x1C, 0x1C, 0x08, // 10
0x08, 0x1C, 0x1C, 0x3E, 0x7F, // 11
0x14, 0x22, 0x7F, 0x22, 0x14, // 12
0x5F, 0x5F, 0x00, 0x5F, 0x5F, // 13
0x06, 0x09, 0x7F, 0x01, 0x7F, // 14
0x00, 0x66, 0x89, 0x95, 0x6A, // 15
0x60, 0x60, 0x60, 0x60, 0x60, // 16
0x94, 0xA2, 0xFF, 0xA2, 0x94, // 17
0x08, 0x04, 0x7E, 0x04, 0x08, // 18
0x10, 0x20, 0x7E, 0x20, 0x10, // 19
0x08, 0x08, 0x2A, 0x1C, 0x08, // 1A
0x08, 0x1C, 0x2A, 0x08, 0x08, // 1B
0x1E, 0x10, 0x10, 0x10, 0x10, // 1C
0x0C, 0x1E, 0x0C, 0x1E, 0x0C, // 1D
0x30, 0x38, 0x3E, 0x38, 0x30, // 1E
0x06, 0x0E, 0x3E, 0x0E, 0x06, // 1F
#endif
// 2x Group
0x00, 0x00, 0x00, 0x00, 0x00, // ' '
0x00, 0x00, 0x5F, 0x00, 0x00, // '!'
0x00, 0x07, 0x00, 0x07, 0x00, // '"'
0x14, 0x7F, 0x14, 0x7F, 0x14, // '#'
0x24, 0x2A, 0x7F, 0x2A, 0x12, // '$'
0x23, 0x13, 0x08, 0x64, 0x62, // '%'
0x36, 0x49, 0x56, 0x20, 0x50, // '&'
0x00, 0x08, 0x07, 0x03, 0x00, // '''
0x00, 0x1C, 0x22, 0x41, 0x00, // '('
0x00, 0x41, 0x22, 0x1C, 0x00, // ')'
0x2A, 0x1C, 0x7F, 0x1C, 0x2A, // '*'
0x08, 0x08, 0x3E, 0x08, 0x08, // '+'
0x00, 0x80, 0x70, 0x30, 0x00, // ','
0x08, 0x08, 0x08, 0x08, 0x08, // '-'
0x00, 0x00, 0x60, 0x60, 0x00, // '.'
0x20, 0x10, 0x08, 0x04, 0x02, // '/'
// 3x Group
0x3E, 0x51, 0x49, 0x45, 0x3E, // '0'
0x00, 0x42, 0x7F, 0x40, 0x00, // '1'
0x72, 0x49, 0x49, 0x49, 0x46, // '2'
0x21, 0x41, 0x49, 0x4D, 0x33, // '3'
0x18, 0x14, 0x12, 0x7F, 0x10, // '4'
0x27, 0x45, 0x45, 0x45, 0x39, // '5'
0x3C, 0x4A, 0x49, 0x49, 0x31, // '6'
0x41, 0x21, 0x11, 0x09, 0x07, // '7'
0x36, 0x49, 0x49, 0x49, 0x36, // '8'
0x46, 0x49, 0x49, 0x29, 0x1E, // '9'
0x00, 0x00, 0x14, 0x00, 0x00, // ':'
0x00, 0x40, 0x34, 0x00, 0x00, // ';'
0x00, 0x08, 0x14, 0x22, 0x41, // '<'
0x14, 0x14, 0x14, 0x14, 0x14, // '='
0x00, 0x41, 0x22, 0x14, 0x08, // '>'
0x02, 0x01, 0x59, 0x09, 0x06, // '?'
// 4x Group
0x3E, 0x41, 0x5D, 0x59, 0x4E, // '@'
0x7C, 0x12, 0x11, 0x12, 0x7C, // 'A'
0x7F, 0x49, 0x49, 0x49, 0x36, // 'B'
0x3E, 0x41, 0x41, 0x41, 0x22, // 'C'
0x7F, 0x41, 0x41, 0x41, 0x3E, // 'D'
0x7F, 0x49, 0x49, 0x49, 0x41, // 'E'
0x7F, 0x09, 0x09, 0x09, 0x01, // 'F'
0x3E, 0x41, 0x41, 0x51, 0x73, // 'G'
0x7F, 0x08, 0x08, 0x08, 0x7F, // 'H'
0x00, 0x41, 0x7F, 0x41, 0x00, // 'I'
0x20, 0x40, 0x41, 0x3F, 0x01, // 'J'
0x7F, 0x08, 0x14, 0x22, 0x41, // 'K'
0x7F, 0x40, 0x40, 0x40, 0x40, // 'L'
0x7F, 0x02, 0x1C, 0x02, 0x7F, // 'M'
0x7F, 0x04, 0x08, 0x10, 0x7F, // 'N'
0x3E, 0x41, 0x41, 0x41, 0x3E, // 'O'
// 5x Group
0x7F, 0x09, 0x09, 0x09, 0x06, // 'P'
0x3E, 0x41, 0x51, 0x21, 0x5E, // 'Q'
0x7F, 0x09, 0x19, 0x29, 0x46, // 'R'
0x26, 0x49, 0x49, 0x49, 0x32, // 'S'
0x03, 0x01, 0x7F, 0x01, 0x03, // 'T'
0x3F, 0x40, 0x40, 0x40, 0x3F, // 'U'
0x1F, 0x20, 0x40, 0x20, 0x1F, // 'V'
0x3F, 0x40, 0x38, 0x40, 0x3F, // 'W'
0x63, 0x14, 0x08, 0x14, 0x63, // 'X'
0x03, 0x04, 0x78, 0x04, 0x03, // 'Y'
0x61, 0x59, 0x49, 0x4D, 0x43, // 'Z'
0x00, 0x7F, 0x41, 0x41, 0x41, // '['
0x02, 0x04, 0x08, 0x10, 0x20, // '\'
0x00, 0x41, 0x41, 0x41, 0x7F, // ']'
0x04, 0x02, 0x01, 0x02, 0x04, // '^'
0x40, 0x40, 0x40, 0x40, 0x40, // '_'
// 6x Group
0x00, 0x03, 0x07, 0x08, 0x00, // '`'
0x20, 0x54, 0x54, 0x78, 0x40, // 'a'
0x7F, 0x28, 0x44, 0x44, 0x38, // 'b'
0x38, 0x44, 0x44, 0x44, 0x28, // 'c'
0x38, 0x44, 0x44, 0x28, 0x7F, // 'd'
0x38, 0x54, 0x54, 0x54, 0x18, // 'e'
0x00, 0x08, 0x7E, 0x09, 0x02, // 'f'
0x18, 0xA4, 0xA4, 0x9C, 0x78, // 'g'
0x7F, 0x08, 0x04, 0x04, 0x78, // 'h'
0x00, 0x44, 0x7D, 0x40, 0x00, // 'i'
0x20, 0x40, 0x40, 0x3D, 0x00, // 'j'
0x7F, 0x10, 0x28, 0x44, 0x00, // 'k'
0x00, 0x41, 0x7F, 0x40, 0x00, // 'l'
0x7C, 0x04, 0x78, 0x04, 0x78, // 'm'
0x7C, 0x08, 0x04, 0x04, 0x78, // 'n'
0x38, 0x44, 0x44, 0x44, 0x38, // 'o'
// 7x Group
0xFC, 0x18, 0x24, 0x24, 0x18, // 'p'
0x18, 0x24, 0x24, 0x18, 0xFC, // 'q'
0x7C, 0x08, 0x04, 0x04, 0x08, // 'r'
0x48, 0x54, 0x54, 0x54, 0x24, // 's'
0x04, 0x04, 0x3F, 0x44, 0x24, // 't'
0x3C, 0x40, 0x40, 0x20, 0x7C, // 'u'
0x1C, 0x20, 0x40, 0x20, 0x1C, // 'v'
0x3C, 0x40, 0x30, 0x40, 0x3C, // 'w'
0x44, 0x28, 0x10, 0x28, 0x44, // 'x'
0x4C, 0x90, 0x90, 0x90, 0x7C, // 'y'
0x44, 0x64, 0x54, 0x4C, 0x44, // 'z'
0x00, 0x08, 0x36, 0x41, 0x00, // '{'
0x00, 0x00, 0x77, 0x00, 0x00, // '|'
0x00, 0x41, 0x36, 0x08, 0x00, // '}'
0x02, 0x01, 0x02, 0x04, 0x02, // '~'
#ifdef AP_NOTIFY_DISPLAY_USE_EMOJI
0x3C, 0x26, 0x23, 0x26, 0x3C, // 7F
// 8x Group
0x1E, 0xA1, 0xA1, 0x61, 0x12, // 80
0x3A, 0x40, 0x40, 0x20, 0x7A, // 81
0x38, 0x54, 0x54, 0x55, 0x59, // 82
0x21, 0x55, 0x55, 0x79, 0x41, // 83
0x22, 0x54, 0x54, 0x78, 0x42, // 84
0x21, 0x55, 0x54, 0x78, 0x40, // 85
0x20, 0x54, 0x55, 0x79, 0x40, // 86
0x0C, 0x1E, 0x52, 0x72, 0x12, // 87
0x39, 0x55, 0x55, 0x55, 0x59, // 88
0x39, 0x54, 0x54, 0x54, 0x59, // 89
0x39, 0x55, 0x54, 0x54, 0x58, // 8A
0x00, 0x00, 0x45, 0x7C, 0x41, // 8B
0x00, 0x02, 0x45, 0x7D, 0x42, // 8C
0x00, 0x01, 0x45, 0x7C, 0x40, // 8D
0x7D, 0x12, 0x11, 0x12, 0x7D, // 8E
0xF0, 0x28, 0x25, 0x28, 0xF0, // 8F
// 9x Group
0x7C, 0x54, 0x55, 0x45, 0x00, // 90
0x20, 0x54, 0x54, 0x7C, 0x54, // 91
0x7C, 0x0A, 0x09, 0x7F, 0x49, // 92
0x32, 0x49, 0x49, 0x49, 0x32, // 93
0x3A, 0x44, 0x44, 0x44, 0x3A, // 94
0x32, 0x4A, 0x48, 0x48, 0x30, // 95
0x3A, 0x41, 0x41, 0x21, 0x7A, // 96
0x3A, 0x42, 0x40, 0x20, 0x78, // 97
0x00, 0x9D, 0xA0, 0xA0, 0x7D, // 98
0x3D, 0x42, 0x42, 0x42, 0x3D, // 99
0x3D, 0x40, 0x40, 0x40, 0x3D, // 9A
0x3C, 0x24, 0xFF, 0x24, 0x24, // 9B
0x48, 0x7E, 0x49, 0x43, 0x66, // 9C
0x2B, 0x2F, 0xFC, 0x2F, 0x2B, // 9D
0xFF, 0x09, 0x29, 0xF6, 0x20, // 9E
0xC0, 0x88, 0x7E, 0x09, 0x03, // 9F
// Ax Group
0x20, 0x54, 0x54, 0x79, 0x41, // A0
0x00, 0x00, 0x44, 0x7D, 0x41, // A1
0x30, 0x48, 0x48, 0x4A, 0x32, // A2
0x38, 0x40, 0x40, 0x22, 0x7A, // A3
0x00, 0x7A, 0x0A, 0x0A, 0x72, // A4
0x7D, 0x0D, 0x19, 0x31, 0x7D, // A5
0x26, 0x29, 0x29, 0x2F, 0x28, // A6
0x26, 0x29, 0x29, 0x29, 0x26, // A7
0x30, 0x48, 0x4D, 0x40, 0x20, // A8
0x38, 0x08, 0x08, 0x08, 0x08, // A9
0x08, 0x08, 0x08, 0x08, 0x38, // AA
0x2F, 0x10, 0xC8, 0xAC, 0xBA, // AB
0x2F, 0x10, 0x28, 0x34, 0xFA, // AC
0x00, 0x00, 0x7B, 0x00, 0x00, // AD
0x08, 0x14, 0x2A, 0x14, 0x22, // AE
0x22, 0x14, 0x2A, 0x14, 0x08, // AF
// Bx Group
0x55, 0x00, 0x55, 0x00, 0x55, // B0
0xAA, 0x55, 0xAA, 0x55, 0xAA, // B1
0xFF, 0x55, 0xFF, 0x55, 0xFF, // B2
0x00, 0x00, 0x00, 0xFF, 0x00, // B3
0x10, 0x10, 0x10, 0xFF, 0x00, // B4
0x14, 0x14, 0x14, 0xFF, 0x00, // B5
0x10, 0x10, 0xFF, 0x00, 0xFF, // B6
0x10, 0x10, 0xF0, 0x10, 0xF0, // B7
0x14, 0x14, 0x14, 0xFC, 0x00, // B8
0x14, 0x14, 0xF7, 0x00, 0xFF, // B9
0x00, 0x00, 0xFF, 0x00, 0xFF, // BA
0x14, 0x14, 0xF4, 0x04, 0xFC, // BB
0x14, 0x14, 0x17, 0x10, 0x1F, // BC
0x10, 0x10, 0x1F, 0x10, 0x1F, // BD
0x14, 0x14, 0x14, 0x1F, 0x00, // BE
0x10, 0x10, 0x10, 0xF0, 0x00, // BF
// Cx Group
0x00, 0x00, 0x00, 0x1F, 0x10, // C0
0x10, 0x10, 0x10, 0x1F, 0x10, // C1
0x10, 0x10, 0x10, 0xF0, 0x10, // C2
0x00, 0x00, 0x00, 0xFF, 0x10, // C3
0x10, 0x10, 0x10, 0x10, 0x10, // C4
0x10, 0x10, 0x10, 0xFF, 0x10, // C5
0x00, 0x00, 0x00, 0xFF, 0x14, // C6
0x00, 0x00, 0xFF, 0x00, 0xFF, // C7
0x00, 0x00, 0x1F, 0x10, 0x17, // C8
0x00, 0x00, 0xFC, 0x04, 0xF4, // C9
0x14, 0x14, 0x17, 0x10, 0x17, // CA
0x14, 0x14, 0xF4, 0x04, 0xF4, // CB
0x00, 0x00, 0xFF, 0x00, 0xF7, // CC
0x14, 0x14, 0x14, 0x14, 0x14, // CD
0x14, 0x14, 0xF7, 0x00, 0xF7, // CE
0x14, 0x14, 0x14, 0x17, 0x14, // CF
// Dx Group
0x10, 0x10, 0x1F, 0x10, 0x1F, // D0
0x14, 0x14, 0x14, 0xF4, 0x14, // D1
0x10, 0x10, 0xF0, 0x10, 0xF0, // D2
0x00, 0x00, 0x1F, 0x10, 0x1F, // D3
0x00, 0x00, 0x00, 0x1F, 0x14, // D4
0x00, 0x00, 0x00, 0xFC, 0x14, // D5
0x00, 0x00, 0xF0, 0x10, 0xF0, // D6
0x10, 0x10, 0xFF, 0x10, 0xFF, // D7
0x14, 0x14, 0x14, 0xFF, 0x14, // D8
0x10, 0x10, 0x10, 0x1F, 0x00, // D9
0x00, 0x00, 0x00, 0xF0, 0x10, // DA
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // DB
0xF0, 0xF0, 0xF0, 0xF0, 0xF0, // DC
0xFF, 0xFF, 0xFF, 0x00, 0x00, // DD
0x00, 0x00, 0x00, 0xFF, 0xFF, // DE
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, // DF
// Ex Group
0x38, 0x44, 0x44, 0x38, 0x44, // E0
0xFC, 0x4A, 0x4A, 0x4A, 0x34, // E1
0x7E, 0x02, 0x02, 0x06, 0x06, // E2
0x02, 0x7E, 0x02, 0x7E, 0x02, // E3
0x63, 0x55, 0x49, 0x41, 0x63, // E4
0x38, 0x44, 0x44, 0x3C, 0x04, // E5
0x40, 0x7E, 0x20, 0x1E, 0x20, // E6
0x06, 0x02, 0x7E, 0x02, 0x02, // E7
0x99, 0xA5, 0xE7, 0xA5, 0x99, // E8
0x1C, 0x2A, 0x49, 0x2A, 0x1C, // E9
0x4C, 0x72, 0x01, 0x72, 0x4C, // EA
0x30, 0x4A, 0x4D, 0x4D, 0x30, // EB
0x30, 0x48, 0x78, 0x48, 0x30, // EC
0xBC, 0x62, 0x5A, 0x46, 0x3D, // ED
0x3E, 0x49, 0x49, 0x49, 0x00, // EE
0x7E, 0x01, 0x01, 0x01, 0x7E, // EF
// Fx Group
0x2A, 0x2A, 0x2A, 0x2A, 0x2A, // F0
0x44, 0x44, 0x5F, 0x44, 0x44, // F1
0x40, 0x51, 0x4A, 0x44, 0x40, // F2
0x40, 0x44, 0x4A, 0x51, 0x40, // F3
0x00, 0x00, 0xFF, 0x01, 0x03, // F4
0xE0, 0x80, 0xFF, 0x00, 0x00, // F5
0x08, 0x08, 0x6B, 0x6B, 0x08, // F6
0x36, 0x12, 0x36, 0x24, 0x36, // F7
0x06, 0x0F, 0x09, 0x0F, 0x06, // F8
0x00, 0x00, 0x18, 0x18, 0x00, // F9
0x00, 0x00, 0x10, 0x10, 0x00, // FA
0x30, 0x40, 0xFF, 0x01, 0x01, // FB
0x00, 0x1F, 0x01, 0x01, 0x1E, // FC
0x00, 0x19, 0x1D, 0x17, 0x12, // FD
0x00, 0x3C, 0x3C, 0x3C, 0x3C, // FE
0x00, 0x00, 0x00, 0x00, 0x00 // FF
#endif
};
bool Display::init(void)
{
// exit immediately if already initialised
if (_driver != nullptr) {
return true;
}
// initialise driver
FOREACH_I2C(i) {
switch (pNotify->_display_type) {
case DISPLAY_SSD1306: {
_driver = Display_SSD1306_I2C::probe(std::move(hal.i2c_mgr->get_device(i, NOTIFY_DISPLAY_I2C_ADDR)));
break;
}
case DISPLAY_SH1106: {
_driver = Display_SH1106_I2C::probe(std::move(hal.i2c_mgr->get_device(i, NOTIFY_DISPLAY_I2C_ADDR)));
break;
}
case DISPLAY_SITL: {
#ifdef WITH_SITL_OSD
_driver = Display_SITL::probe(); // never fails
#elif CONFIG_HAL_BOARD == HAL_BOARD_SITL
::fprintf(stderr, "SITL Display ineffective without --osd\n");
#endif
break;
}
case DISPLAY_OFF:
default:
break;
}
if (_driver != nullptr) {
break;
}
}
if (_driver == nullptr) {
return false;
}
// update all on display
update_all();
_driver->hw_update();
return true;
}
void Display::update()
{
// max update frequency 2Hz
static uint8_t timer = 0;
if (timer++ < 25) {
return;
}
timer = 0;
if (AP_Notify::flags.armed) {
if (_screenpage != 1) {
_driver->clear_screen();
update_arm(3);
_screenpage = 1;
_driver->hw_update(); //update hw once , do not transmition to display in fly
}
return;
}
if (_screenpage != 2) {
_driver->clear_screen(); //once clear screen when page changed
_screenpage = 2;
}
update_all();
_driver->hw_update(); //update at 2 Hz in disarmed mode
}
void Display::update_all()
{
update_text(0);
update_mode(1);
update_battery(2);
update_gps(3);
//update_gps_sats(4);
update_prearm(4);
update_ekf(5);
}
void Display::draw_text(uint16_t x, uint16_t y, const char* c)
{
if (nullptr == c) {
return;
}
while (*c != 0) {
#ifndef AP_NOTIFY_DISPLAY_USE_EMOJI
if (*c >= ' ' && *c <= '~') {
draw_char(x, y, *c - ' ');
} else {
// convert oob characters to spaces
draw_char(x, y, 0);
}
#else
draw_char(x, y, *c);
#endif
x += 7;
c++;
}
}
void Display::draw_char(uint16_t x, uint16_t y, const char c)
{
uint8_t line;
// draw char to pixel
for (uint8_t i = 0; i < 6; i++) {
if (i == 5) {
line = 0;
} else {
line = _font[(c * 5) + i];
}
for (uint8_t j = 0; j < 8; j++) {
if (line & 1) {
_driver->set_pixel(x + i, y + j);
} else {
_driver->clear_pixel(x + i, y + j);
}
line >>= 1;
}
}
}
void Display::update_arm(uint8_t r)
{
if (AP_Notify::flags.armed) {
draw_text(COLUMN(0), ROW(r), ">>>>> ARMED! <<<<<");
} else {
draw_text(COLUMN(0), ROW(r), " disarmed ");
}
}
void Display::update_prearm(uint8_t r)
{
if (AP_Notify::flags.pre_arm_check) {
draw_text(COLUMN(0), ROW(r), "Prearm: passed ");
} else {
draw_text(COLUMN(0), ROW(r), "Prearm: failed ");
}
}
void Display::update_gps(uint8_t r)
{
static const char * gpsfixname[] = {"Other", "NoGPS","NoFix","2D","3D","DGPS", "RTK f", "RTK F"};
char msg [DISPLAY_MESSAGE_SIZE];
const char * fixname;
switch (AP_Notify::flags.gps_status) {
case AP_GPS::NO_GPS:
fixname = gpsfixname[1];
break;
case AP_GPS::NO_FIX:
fixname = gpsfixname[2];
break;
case AP_GPS::GPS_OK_FIX_2D:
fixname = gpsfixname[3];
break;
case AP_GPS::GPS_OK_FIX_3D:
fixname = gpsfixname[4];
break;
case AP_GPS::GPS_OK_FIX_3D_DGPS:
fixname = gpsfixname[5];
break;
case AP_GPS::GPS_OK_FIX_3D_RTK_FLOAT:
fixname = gpsfixname[6];
break;
case AP_GPS::GPS_OK_FIX_3D_RTK_FIXED:
fixname = gpsfixname[7];
break;
default:
fixname = gpsfixname[0];
break;
}
snprintf(msg, DISPLAY_MESSAGE_SIZE, "GPS:%-5s Sats:%2u", fixname, (unsigned)AP_Notify::flags.gps_num_sats) ;
draw_text(COLUMN(0), ROW(r), msg);
}
void Display::update_gps_sats(uint8_t r)
{
draw_text(COLUMN(0), ROW(r), "Sats:");
draw_char(COLUMN(8), ROW(r), (AP_Notify::flags.gps_num_sats / 10) + '0');
draw_char(COLUMN(9), ROW(r), (AP_Notify::flags.gps_num_sats % 10) + '0');
}
void Display::update_ekf(uint8_t r)
{
if (AP_Notify::flags.ekf_bad) {
draw_text(COLUMN(0), ROW(r), "EKF: fail");
} else {
draw_text(COLUMN(0), ROW(r), "EKF: ok ");
}
}
void Display::update_battery(uint8_t r)
{
char msg [DISPLAY_MESSAGE_SIZE];
snprintf(msg, DISPLAY_MESSAGE_SIZE, "BAT1: %4.2fV", (double)AP::battery().voltage()) ;
draw_text(COLUMN(0), ROW(r), msg);
}
void Display::update_mode(uint8_t r)
{
char msg [DISPLAY_MESSAGE_SIZE];
if (pNotify->get_flight_mode_str()) {
snprintf(msg, DISPLAY_MESSAGE_SIZE, "Mode: %s", pNotify->get_flight_mode_str()) ;
draw_text(COLUMN(0), ROW(r), msg);
}
}
void Display::update_text_empty(uint8_t r)
{
char msg [DISPLAY_MESSAGE_SIZE] = {};
memset(msg, ' ', sizeof(msg)-1);
_movedelay = 0;
_mstartpos = 0;
draw_text(COLUMN(0), ROW(r), msg);
}
void Display::update_text(uint8_t r)
{
char msg [DISPLAY_MESSAGE_SIZE] = {};
char txt [NOTIFY_TEXT_BUFFER_SIZE] = {};
const bool text_is_valid = AP_HAL::millis() - pNotify->_send_text_updated_millis < _send_text_valid_millis;
if (!text_is_valid) {
update_text_empty(r);
return;
}
if (_movedelay > 0) {
_movedelay--;
return;
}
snprintf(txt, sizeof(txt), "%s", pNotify->get_text());
memset(msg, ' ', sizeof(msg)-1); // leave null termination
const uint8_t len = strlen(&txt[_mstartpos]);
const uint8_t to_copy = (len < sizeof(msg)-1) ? len : (sizeof(msg)-1);
memcpy(msg, &txt[_mstartpos], to_copy);
if (len <= sizeof(msg)-1) {
// end-of-message reached; pause scrolling a while
_movedelay = 4;
// reset startpos so we start scrolling from the start again:
_mstartpos = 0;
} else {
_mstartpos++;
}
draw_text(COLUMN(0), ROW(0), msg);
}