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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 50 | mjames | 1 | /* |
| 2 | * display.cpp |
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| 3 | * |
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| 4 | * Created on: 30 Nov 2020 |
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| 5 | * Author: mike |
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| 6 | */ |
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| 7 | |||
| 8 | #include "main.h" |
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| 9 | #include "display.h" |
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| 10 | #include "switches.h" |
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| 11 | #include "nvram.h" |
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| 12 | #include <cstring> |
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| 13 | #include "libOLED/stm32_halDisplay.H" |
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| 14 | #include "libOLED/fontclass.H" |
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| 15 | #include "libOLED/displayDial.H" |
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| 16 | #include "libPlx/displayInfo.H" |
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| 17 | #include "libOLED/ap_math.h" |
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| 18 | |||
| 19 | #include "splash.H" |
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| 20 | |||
| 21 | namespace |
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| 22 | { |
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| 23 | int const WIDTH = 128; |
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| 24 | int const HEIGHT = 64; |
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| 25 | int const DISPLAY_RAMWIDTH = 132; |
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| 26 | } |
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| 27 | |||
| 28 | uint8_t displayBuffer[2][dataSize (WIDTH, HEIGHT)]; |
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| 29 | |||
| 30 | stm32_halDisplay_t displays[MAX_DISPLAYS] = |
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| 31 | { stm32_halDisplay_t (WIDTH, HEIGHT, DISPLAY_RAMWIDTH, displayBuffer[0], |
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| 32 | &hspi1, |
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| 33 | SPI_CD_GPIO_Port, |
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| 34 | SPI_CD_Pin, |
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| 35 | SPI_RESET_GPIO_Port, |
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| 36 | SPI_RESET_Pin, |
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| 37 | SPI_NSS1_GPIO_Port, |
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| 38 | SPI_NSS1_Pin), stm32_halDisplay_t (WIDTH, HEIGHT, |
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| 39 | DISPLAY_RAMWIDTH, |
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| 40 | displayBuffer[1], |
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| 41 | &hspi1, |
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| 42 | SPI_CD_GPIO_Port, |
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| 43 | SPI_CD_Pin, |
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| 44 | SPI_RESET_GPIO_Port, |
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| 45 | SPI_RESET_Pin, |
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| 46 | SPI_NSS2_GPIO_Port, |
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| 47 | SPI_NSS2_Pin) }; |
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| 48 | |||
| 49 | displayDial_t dials[MAX_DISPLAYS] = |
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| 50 | { displayDial_t (displays[0], 64, 60, 60, 90), displayDial_t (displays[1], 64, |
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| 51 | 60, 60, 90) }; |
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| 52 | #if defined __cplusplus |
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| 53 | extern "C" |
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| 54 | { |
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| 55 | #endif |
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| 56 | static void |
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| 57 | showMinMax (display_t &display, uint8_t dp_pos, int16_t int_min, |
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| 58 | uint16_t int_max) |
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| 59 | { |
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| 60 | display.fontSigDigits (small_font, 0, 0, 0, dp_pos, int_min, WHITE); |
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| 61 | display.gotoxy (0, 8); |
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| 62 | |||
| 63 | display.printString (small_font, "Min°", 4, WHITE); |
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| 64 | |||
| 65 | display.fontSigDigits (small_font, 120, 0, 1, dp_pos, int_max, WHITE); |
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| 66 | display.gotoxy (110, 8); |
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| 67 | display.printString (small_font, "Max", 3, WHITE); |
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| 68 | } |
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| 69 | |||
| 70 | void |
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| 71 | cc_init () |
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| 72 | { |
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| 73 | for (auto i = 0; i < MAX_DISPLAYS; i++) |
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| 74 | { |
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| 75 | display_t &display = displays[i]; |
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| 76 | if (i == 0) |
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| 77 | display.reset (); |
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| 78 | display.init (); |
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| 79 | display.clearDisplay (); |
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| 80 | displaySplash (display); |
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| 81 | display.gotoxy (8, 32); |
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| 82 | display.printString (large_font, i == 0 ? "1" : "2", 1, BLACK); |
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| 83 | display.display (); |
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| 84 | } |
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| 85 | |||
| 86 | HAL_Delay (1000); |
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| 87 | |||
| 88 | for (auto i = 0; i < MAX_DISPLAYS; i++) |
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| 89 | { |
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| 90 | display_t &display = displays[i]; |
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| 91 | displayDial_t &dial = dials[i]; |
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| 92 | display.clearDisplay (); |
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| 93 | display.setPixelMode(WHITE); |
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| 94 | dial.draw_scale (0, 10, 12, 1, 1); |
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| 95 | dial.draw_limits (); |
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| 96 | display.gotoxy (8, 32); |
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| 97 | display.printString (large_font, "Display ", 8, WHITE); |
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| 98 | display.printString (large_font, i == 0 ? "1" : "2", 1, BLACK); |
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| 99 | showMinMax (display, 2, 123, 456); |
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| 100 | |||
| 101 | display.display (); |
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| 102 | } |
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| 103 | } |
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| 104 | |||
| 105 | int |
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| 106 | cc_display (int dialIndex, int itemIndex, int suppressIndex) |
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| 107 | |||
| 108 | { |
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| 109 | if (dialIndex < 0 && dialIndex > MAX_DISPLAYS) |
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| 110 | return -1; |
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| 111 | context_t &context = contexts[dialIndex]; |
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| 112 | displayDial_t &dial = dials[dialIndex]; |
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| 113 | stm32_halDisplay_t &display = displays[dialIndex]; |
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| 114 | char buff[10]; |
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| 115 | int i; |
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| 116 | int rc; |
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| 117 | |||
| 118 | // check for item suppression |
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| 119 | if (itemIndex == suppressIndex) |
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| 120 | { |
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| 121 | context.dial1 = -1; |
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| 122 | context.OldObservation = -1; |
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| 123 | context.OldObservationIndex = -1; |
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| 124 | |||
| 125 | display.clearDisplay (); |
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| 126 | display.display (); |
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| 127 | return -1; // we suppressed this display |
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| 128 | } |
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| 129 | |||
| 130 | // clear startup display off the screen |
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| 131 | if (context.OldObservation == -1) |
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| 132 | display.clearDisplay (); |
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| 133 | |||
| 134 | int DataVal = ConvPLX (Data.Sensor[itemIndex].ReadingH, |
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| 135 | Data.Sensor[itemIndex].ReadingL); // data reading |
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| 136 | int Observation = ConvPLX (Data.Sensor[itemIndex].AddrH, |
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| 137 | Data.Sensor[itemIndex].AddrL); |
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| 138 | int ObservationIndex = ConvPLX (0, Data.Sensor[itemIndex].Instance); |
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| 139 | // now to convert the readings and format strings |
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| 140 | // find out limits |
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| 141 | char *msg; |
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| 142 | int len; |
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| 143 | |||
| 144 | // if the user presses the dial then reset min/max to current value |
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| 145 | if (push_pos[dialIndex] == 1) |
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| 146 | { |
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| 147 | Max[itemIndex] = DataVal; |
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| 148 | Min[itemIndex] = DataVal; // 12 bit max value |
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| 149 | } |
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| 150 | |||
| 151 | if (Observation < PLX_MAX_OBS) |
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| 152 | { |
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| 153 | if (Observation != context.OldObservation |
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| 154 | || ObservationIndex != context.OldObservationIndex) |
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| 155 | { |
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| 156 | |||
| 157 | context.dial_timer = DialTimeout; |
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| 158 | |||
| 159 | context.dial1 = -1; |
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| 160 | display.clearDisplay (); |
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| 161 | dial.draw_scale (DisplayInfo[Observation].Low, |
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| 162 | DisplayInfo[Observation].High, 12, 1, |
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| 163 | DisplayInfo[Observation].TickScale); |
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| 164 | |||
| 165 | dial.draw_limits (); |
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| 166 | |||
| 167 | msg = DisplayInfo[Observation].name; |
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| 168 | len = 7; |
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| 169 | int len1 = ObservationIndex > 0 ? len - 1 : len; |
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| 170 | for (i = 0; i < len1 && msg[i]; i++) |
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| 171 | { |
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| 172 | buff[i] = msg[i]; |
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| 173 | } |
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| 174 | if (ObservationIndex > 0 && i < len) |
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| 175 | { |
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| 176 | buff[i++] = ObservationIndex + '1'; |
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| 177 | } |
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| 178 | |||
| 179 | display.gotoxy (64 - i * 4, 48); |
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| 180 | display.printString (large_font, buff, i, WHITE); |
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| 181 | |||
| 182 | context.OldObservation = Observation; |
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| 183 | context.OldObservationIndex = ObservationIndex; |
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| 184 | |||
| 185 | display.display (); |
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| 186 | |||
| 187 | } |
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| 188 | else |
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| 189 | { |
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| 190 | // check for timer timeout on consistent timer |
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| 191 | if (context.dial_timer) |
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| 192 | { |
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| 193 | context.dial_timer--; |
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| 194 | |||
| 195 | if (context.dial_timer == 0) |
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| 196 | { |
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| 197 | uint16_t curr_val = dial_pos[dialIndex]; |
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| 198 | |||
| 199 | uint32_t addr = (uint32_t) (&dial_nvram[dialIndex]); |
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| 200 | WriteUint16NVRAM (addr, curr_val); |
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| 201 | |||
| 202 | } |
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| 203 | } |
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| 204 | } |
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| 205 | |||
| 206 | } |
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| 207 | |||
| 208 | double max_rdg; |
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| 209 | double min_rdg; |
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| 210 | double cur_rdg; |
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| 211 | int int_rdg; |
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| 212 | int int_max; |
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| 213 | int int_min; |
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| 214 | |||
| 215 | max_rdg = ConveriMFDRaw2Data (Observation, DisplayInfo[Observation].Units, |
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| 216 | Max[itemIndex]); |
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| 217 | min_rdg = ConveriMFDRaw2Data (Observation, DisplayInfo[Observation].Units, |
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| 218 | Min[itemIndex]); |
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| 219 | cur_rdg = ConveriMFDRaw2Data (Observation, DisplayInfo[Observation].Units, |
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| 220 | DataVal); |
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| 221 | |||
| 222 | int dp_pos; // where to print the decimal place |
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| 223 | float scale = 1.0; |
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| 224 | switch (DisplayInfo[Observation].DP) |
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| 225 | { |
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| 226 | default: |
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| 227 | case 0: |
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| 228 | scale = 1.0; |
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| 229 | dp_pos = display_t::NO_DECIMAL; |
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| 230 | break; |
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| 231 | case 1: |
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| 232 | scale = 10.0; |
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| 233 | dp_pos = 1; |
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| 234 | break; |
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| 235 | case 2: |
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| 236 | scale = 100.0; |
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| 237 | dp_pos = 2; |
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| 238 | break; |
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| 239 | |||
| 240 | } |
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| 241 | int_rdg = (int) (cur_rdg * scale); |
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| 242 | int_max = (int) (max_rdg * scale); |
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| 243 | int_min = (int) (min_rdg * scale); |
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| 244 | |||
| 245 | cur_rdg -= DisplayInfo[Observation].Low; |
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| 246 | cur_rdg = ap_math::SINE_STEPS * cur_rdg |
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| 247 | / (DisplayInfo[Observation].High - DisplayInfo[Observation].Low); |
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| 248 | |||
| 249 | context.dial0 = (int) cur_rdg; |
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| 250 | |||
| 251 | display.gotoxy (32, 28); |
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| 252 | display.fontDigits (large_font, 4, dp_pos, int_rdg, WHITE); |
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| 253 | |||
| 254 | display.printString (small_font, DisplayInfo[Observation].suffix, |
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| 255 | strlen (DisplayInfo[Observation].suffix)); |
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| 256 | display.printString (small_font, " ", |
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| 257 | 3 - strlen (DisplayInfo[Observation].suffix)); |
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| 258 | // print value overlaid by needle |
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| 259 | |||
| 260 | /* old needle un-draw */ |
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| 261 | if (context.dial1 >= 0) |
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| 262 | { |
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| 263 | dial.draw_needle (context.dial1); |
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| 264 | } |
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| 265 | dial.draw_needle (context.dial0); |
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| 266 | context.dial1 = context.dial0; |
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| 267 | showMinMax (display, dp_pos, int_min, int_max); |
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| 268 | |||
| 269 | display.display (); |
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| 270 | |||
| 271 | return itemIndex; |
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| 272 | } |
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| 273 | |||
| 274 | } |
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| 275 |