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| 1 | +/*! |
| 2 | + @file examples/gc9107/hello_world/main.cpp |
| 3 | + @brief Hello World: hardware or software SPI test |
| 4 | + @author Gavin Lyons. |
| 5 | + @details |
| 6 | + See USER OPTIONS in SETUP function. |
| 7 | + To switch between Hardware and software SPI |
| 8 | + set ''HardwareSPI'' in ''Globals''. |
| 9 | + Prints Hello, at 0 degrees, |
| 10 | + Prints World! at 90 degrees. |
| 11 | + @test |
| 12 | + -# 101 Hello World Hardware SPI |
| 13 | + -# 102 Hello World Software SPI |
| 14 | +*/ |
| 15 | + |
| 16 | +// Section :: libraries |
| 17 | +#include <iostream> |
| 18 | +#include "GC9107_TFT_LCD_RDL.hpp" |
| 19 | + |
| 20 | +/// @cond |
| 21 | + |
| 22 | +// Section :: Globals |
| 23 | +bool HardwareSPI = true; // Hardware SPI = true, software SPI = false |
| 24 | +GC9107_TFT myTFT; |
| 25 | + |
| 26 | +// Section :: Function Headers |
| 27 | +uint8_t SetupHWSPI(void); // setup + user options for hardware SPI |
| 28 | +uint8_t SetupSWSPI(void); // setup + user options for software SPI |
| 29 | +void HelloWorld(void); |
| 30 | +void EndTests(void); |
| 31 | + |
| 32 | +// Section :: MAIN loop |
| 33 | +int main() |
| 34 | +{ |
| 35 | + std::cout << "GC9107 library version : " << rdlib::LibraryVersion() << std::endl; |
| 36 | + std::cout << "Lgpio library version :" << lguVersion() << std::endl; |
| 37 | + if (HardwareSPI == true) |
| 38 | + { // Hardware SPI |
| 39 | + if (SetupHWSPI() != 0) |
| 40 | + { |
| 41 | + return -1; |
| 42 | + } |
| 43 | + } |
| 44 | + else |
| 45 | + { // Software SPI |
| 46 | + if (SetupSWSPI() != 0) |
| 47 | + { |
| 48 | + return -1; |
| 49 | + } |
| 50 | + } |
| 51 | + HelloWorld(); |
| 52 | + EndTests(); |
| 53 | + return 0; |
| 54 | +} |
| 55 | +// *** End OF MAIN ** |
| 56 | + |
| 57 | +// Section :: Function Space |
| 58 | +// Hardware SPI setup |
| 59 | +uint8_t SetupHWSPI(void) |
| 60 | +{ |
| 61 | + std::cout << "TFT Start Test 101 HWSPI" << std::endl; |
| 62 | + int8_t RST_TFT = 25; |
| 63 | + int8_t DC_TFT = 24; |
| 64 | + int GPIO_CHIP_DEVICE = 0; // GPIO chip device number usually 0 |
| 65 | + int HWSPI_DEVICE = 0; // A SPI device, >= 0. which SPI interface to use |
| 66 | + int HWSPI_CHANNEL = 0; // A SPI channel, >= 0. Which Chip enable pin to use |
| 67 | + int HWSPI_SPEED = 8000000; // The speed of serial communication in bits per second. |
| 68 | + int HWSPI_FLAGS = 0; // last 2 LSB bits define SPI mode, see readme, mode 0 for this device |
| 69 | + // Size of Display (note 60x160 display has VRAM of 128x160) |
| 70 | + uint16_t TFT_WIDTH = 60; // width size in pixels |
| 71 | + uint16_t TFT_HEIGHT = 160; // height size in pixels |
| 72 | + uint8_t X_Offset = 34; // X offset |
| 73 | + uint8_t Y_Offset = 0; // Y offset |
| 74 | + // GRAM memory base mapping resolution, see GC9107_LTSM::GM_memory_base_e enum |
| 75 | + GC9107_TFT::GM_memory_base_e TFTmemoryBase = GC9107_TFT::GM_memory_base_e::MEMORY_BASE_GM_128x160; |
| 76 | + |
| 77 | + // ** USER OPTION 0 GPIO ** |
| 78 | + myTFT.TFTSetupGPIO(RST_TFT, DC_TFT); |
| 79 | + |
| 80 | + // *** USER OPTION 1 Screen Setup *** |
| 81 | + myTFT.TFTInitScreen(TFT_WIDTH, TFT_HEIGHT, TFTmemoryBase, GC9107_TFT::MADCTL_FLAGS_t::RGB); |
| 82 | + |
| 83 | + // *** USER OPTION 2 Screen offsets*** |
| 84 | + myTFT.TFTsetPanelOffset(X_Offset, Y_Offset); |
| 85 | + |
| 86 | + // ** USER OPTION 3 SPI settings ** |
| 87 | + if (myTFT.TFTInitSPI(HWSPI_DEVICE, HWSPI_CHANNEL, HWSPI_SPEED, HWSPI_FLAGS, GPIO_CHIP_DEVICE) != rdlib::Success) |
| 88 | + { |
| 89 | + return 3; |
| 90 | + } |
| 91 | + |
| 92 | + delayMilliSecRDL(100); |
| 93 | + return 0; |
| 94 | +} |
| 95 | + |
| 96 | +// Software SPI setup |
| 97 | +uint8_t SetupSWSPI(void) |
| 98 | +{ |
| 99 | + std::cout << "Start Test 102 SWSPI" << std::endl; |
| 100 | + int8_t RST_TFT = 25; |
| 101 | + int8_t DC_TFT = 24; |
| 102 | + int8_t SCLK_TFT = 20; |
| 103 | + int8_t SDIN_TFT = 16; |
| 104 | + int8_t CS_TFT = 21; |
| 105 | + int GPIO_CHIP_DEVICE = 0; |
| 106 | + uint16_t SWSPI_CommDelay = 0; // uS GPIO SW SPI delay |
| 107 | + // Size of Display (note 60x160 display has VRAM of 128x160) |
| 108 | + uint16_t TFT_WIDTH = 60; // width size in pixels |
| 109 | + uint16_t TFT_HEIGHT = 160; // height size in pixels |
| 110 | + uint8_t X_Offset = 34; // X offset |
| 111 | + uint8_t Y_Offset = 0; // Y offset |
| 112 | + // GRAM memory base mapping resolution, see GC9107_LTSM::GM_memory_base_e enum |
| 113 | + GC9107_TFT::GM_memory_base_e TFTmemoryBase = GC9107_TFT::GM_memory_base_e::MEMORY_BASE_GM_128x160; |
| 114 | + |
| 115 | + // ** USER OPTION 0 GPIO ** |
| 116 | + myTFT.TFTSetupGPIO(RST_TFT, DC_TFT, CS_TFT, SCLK_TFT, SDIN_TFT); |
| 117 | + |
| 118 | + // *** USER OPTION 1 Screen Setup *** |
| 119 | + myTFT.TFTInitScreen(TFT_WIDTH, TFT_HEIGHT, TFTmemoryBase, GC9107_TFT::MADCTL_FLAGS_t::RGB); |
| 120 | + |
| 121 | + // *** USER OPTION 2 Screen offset *** |
| 122 | + myTFT.TFTsetPanelOffset(X_Offset, Y_Offset); |
| 123 | + |
| 124 | + // ** USER OPTION 3 SPI settings ** |
| 125 | + if (myTFT.TFTInitSPI(SWSPI_CommDelay, GPIO_CHIP_DEVICE) != rdlib::Success) |
| 126 | + { |
| 127 | + return 3; |
| 128 | + } |
| 129 | + std::cout << "SWSPI Comm GPIO Delay set to : " << myTFT.HighFreqDelayGet() << "uS" << std::endl; |
| 130 | + |
| 131 | + delayMilliSecRDL(100); |
| 132 | + return 0; |
| 133 | +} |
| 134 | + |
| 135 | +void HelloWorld(void) |
| 136 | +{ |
| 137 | + std::cout << "Hello, World!" << std::endl; |
| 138 | + myTFT.TFTsetRotation(myTFT.Degrees_0); |
| 139 | + myTFT.fillScreen(myTFT.RDLC_BLACK); |
| 140 | + |
| 141 | + myTFT.setCursor(0, 0); |
| 142 | + myTFT.setTextColor(myTFT.RDLC_GREEN, myTFT.RDLC_BLACK); |
| 143 | + myTFT.setFont(font_default); |
| 144 | + |
| 145 | + myTFT.print("Hello, "); |
| 146 | + delayMilliSecRDL(5000); |
| 147 | + |
| 148 | + myTFT.TFTsetRotation(myTFT.Degrees_90); |
| 149 | + myTFT.fillScreen(myTFT.RDLC_BLACK); |
| 150 | + |
| 151 | + myTFT.print("World!"); |
| 152 | + delayMilliSecRDL(5000); |
| 153 | +} |
| 154 | + |
| 155 | +void EndTests(void) |
| 156 | +{ |
| 157 | + myTFT.fillScreen(myTFT.RDLC_BLACK); |
| 158 | + delayMilliSecRDL(500); |
| 159 | + myTFT.TFTPowerDown(); // Power down device |
| 160 | + std::cout << "End" << std::endl; |
| 161 | +} |
| 162 | + |
| 163 | +/// @endcond |
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