1 | #include "display_utils.h"
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2 | #include <LiquidCrystal_I2C.h>
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3 | #include <LCDMenuLib2.h> //https://github.com/Jomelo/LCDMenuLib2
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4 |
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5 | //LCDMenuLib2_menu LCDML_0 (255, 0, 0, NULL, NULL); // root menu element (do not change)
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6 | //extern LCDMenuLib2 LCDML(LCDML_0, _LCDML_DISP_rows, _LCDML_DISP_cols, lcdml_menu_display, lcdml_menu_clear, lcdml_menu_control);
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7 | LiquidCrystal_I2C lcd(0x27,_LCDML_DISP_cols,_LCDML_DISP_rows);
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8 | //extern LCDML;
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9 | displayUtils::displayUtils(){
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10 | }
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11 |
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12 | // =====================================================================
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13 | //
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14 | // Output function
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15 | //
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16 | // =====================================================================
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17 |
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18 | void lcdml_menu_control(void)
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19 | {
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20 | // If something must init, put in in the setup condition
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21 | if(LCDML.BT_setup()) {
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22 | // runs only once
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23 | }
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24 |
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25 | // check if new serial input is available
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26 | if (Serial.available()) {
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27 | // read one char from input buffer
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28 | /*switch (Serial.read())
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29 | {
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30 | case _LCDML_CONTROL_serial_enter: LCDML.BT_enter(); break;
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31 | case _LCDML_CONTROL_serial_up: LCDML.BT_up(); break;
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32 | case _LCDML_CONTROL_serial_down: LCDML.BT_down(); break;
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33 | case _LCDML_CONTROL_serial_left: LCDML.BT_left(); break;
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34 | case _LCDML_CONTROL_serial_right: LCDML.BT_right(); break;
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35 | case _LCDML_CONTROL_serial_quit: LCDML.BT_quit(); break;
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36 | default: break;
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37 | }*/
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38 | }
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39 | }
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40 |
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41 | /* ******************************************************************** */
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42 | void lcdml_menu_clear()
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43 | /* ******************************************************************** */
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44 | {
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45 | lcd.clear();
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46 | lcd.setCursor(0, 0);
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47 | }
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48 |
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49 | /* ******************************************************************** */
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50 | void lcdml_menu_display()
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51 | /* ******************************************************************** */
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52 | {
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53 | // update content
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54 | // ***************
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55 | if (LCDML.DISP_checkMenuUpdate()) {
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56 | // clear menu
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57 | // ***************
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58 | LCDML.DISP_clear();
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59 |
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60 | // declaration of some variables
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61 | // ***************
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62 | // content variable
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63 | char content_text[_LCDML_DISP_cols]; // save the content text of every menu element
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64 | // menu element object
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65 | LCDMenuLib2_menu *tmp;
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66 | // some limit values
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67 | uint8_t i = LCDML.MENU_getScroll();
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68 | uint8_t maxi = _LCDML_DISP_rows + i;
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69 | uint8_t n = 0;
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70 |
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71 | // check if this element has children
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72 | if ((tmp = LCDML.MENU_getDisplayedObj()) != NULL)
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73 | {
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74 | // loop to display lines
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75 | do
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76 | {
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77 | // check if a menu element has a condition and if the condition be true
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78 | if (tmp->checkCondition())
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79 | {
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80 | // check the type off a menu element
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81 | if(tmp->checkType_menu() == true)
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82 | {
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83 | // display normal content
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84 | LCDML_getContent(content_text, tmp->getID());
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85 | lcd.setCursor(1, n);
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86 | lcd.print(content_text);
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87 | }
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88 | else
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89 | {
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90 | if(tmp->checkType_dynParam()) {
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91 | tmp->callback(n);
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92 | }
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93 | }
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94 | // increment some values
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95 | i++;
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96 | n++;
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97 | }
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98 | // try to go to the next sibling and check the number of displayed rows
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99 | } while (((tmp = tmp->getSibling(1)) != NULL) && (i < maxi));
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100 | }
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101 | }
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102 |
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103 | if(LCDML.DISP_checkMenuCursorUpdate())
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104 | {
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105 | // init vars
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106 | uint8_t n_max = (LCDML.MENU_getChilds() >= _LCDML_DISP_rows) ? _LCDML_DISP_rows : (LCDML.MENU_getChilds());
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107 | uint8_t scrollbar_min = 0;
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108 | uint8_t scrollbar_max = LCDML.MENU_getChilds();
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109 | uint8_t scrollbar_cur_pos = LCDML.MENU_getCursorPosAbs();
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110 | uint8_t scroll_pos = ((1.*n_max * _LCDML_DISP_rows) / (scrollbar_max - 1) * scrollbar_cur_pos);
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111 |
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112 |
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113 | // display rows
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114 | for (uint8_t n = 0; n < n_max; n++)
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115 | {
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116 | //set cursor
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117 | lcd.setCursor(0, n);
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118 |
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119 | //set cursor char
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120 | if (n == LCDML.MENU_getCursorPos()) {
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121 | lcd.write(_LCDML_DISP_cfg_cursor);
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122 | } else {
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123 | lcd.write(' ');
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124 | }
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125 |
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126 | // delete or reset scrollbar
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127 | if (_LCDML_DISP_cfg_scrollbar == 1) {
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128 | if (scrollbar_max > n_max) {
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129 | lcd.setCursor((_LCDML_DISP_cols - 1), n);
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130 | lcd.write((uint8_t)0);
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131 | }
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132 | else {
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133 | lcd.setCursor((_LCDML_DISP_cols - 1), n);
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134 | lcd.print(' ');
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135 | }
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136 | }
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137 | }
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138 |
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139 | // display scrollbar
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140 | if (_LCDML_DISP_cfg_scrollbar == 1) {
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141 | if (scrollbar_max > n_max) {
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142 | //set scroll position
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143 | if (scrollbar_cur_pos == scrollbar_min) {
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144 | // min pos
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145 | lcd.setCursor((_LCDML_DISP_cols - 1), 0);
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146 | lcd.write((uint8_t)1);
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147 | } else if (scrollbar_cur_pos == (scrollbar_max - 1)) {
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148 | // max pos
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149 | lcd.setCursor((_LCDML_DISP_cols - 1), (n_max - 1));
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150 | lcd.write((uint8_t)4);
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151 | } else {
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152 | // between
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153 | lcd.setCursor((_LCDML_DISP_cols - 1), scroll_pos / n_max);
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154 | lcd.write((uint8_t)(scroll_pos % n_max) + 1);
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155 | }
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156 | }
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157 | }
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158 | }
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159 | }
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