Jenny Plunkett / Mbed OS LPCXpresso54608-Touch-Cursor-Example

NXP Touch Cursor example for LPCXpresso54608, modified for use with Mbed OS.

The tutorial for this example can be found here: https://os.mbed.com/blog/entry/How-to-LPCXpresso54608-touch-panel/

main.cpp@0:c107a6f8c368, 2018-04-11 (annotated)

Committer:
jplunkett
Date:
Wed Apr 11 20:46:55 2018 +0000
Revision:
0:c107a6f8c368
Init

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jplunkett 0:c107a6f8c368 1 /*
jplunkett 0:c107a6f8c368 2 * Copyright (c) 2016, Freescale Semiconductor, Inc.
jplunkett 0:c107a6f8c368 3 * Copyright 2016-2017 NXP
jplunkett 0:c107a6f8c368 4 *
jplunkett 0:c107a6f8c368 5 * Redistribution and use in source and binary forms, with or without modification,
jplunkett 0:c107a6f8c368 6 * are permitted provided that the following conditions are met:
jplunkett 0:c107a6f8c368 7 *
jplunkett 0:c107a6f8c368 8 * o Redistributions of source code must retain the above copyright notice, this list
jplunkett 0:c107a6f8c368 9 * of conditions and the following disclaimer.
jplunkett 0:c107a6f8c368 10 *
jplunkett 0:c107a6f8c368 11 * o Redistributions in binary form must reproduce the above copyright notice, this
jplunkett 0:c107a6f8c368 12 * list of conditions and the following disclaimer in the documentation and/or
jplunkett 0:c107a6f8c368 13 * other materials provided with the distribution.
jplunkett 0:c107a6f8c368 14 *
jplunkett 0:c107a6f8c368 15 * o Neither the name of the copyright holder nor the names of its
jplunkett 0:c107a6f8c368 16 * contributors may be used to endorse or promote products derived from this
jplunkett 0:c107a6f8c368 17 * software without specific prior written permission.
jplunkett 0:c107a6f8c368 18 *
jplunkett 0:c107a6f8c368 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
jplunkett 0:c107a6f8c368 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
jplunkett 0:c107a6f8c368 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
jplunkett 0:c107a6f8c368 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
jplunkett 0:c107a6f8c368 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
jplunkett 0:c107a6f8c368 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
jplunkett 0:c107a6f8c368 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
jplunkett 0:c107a6f8c368 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
jplunkett 0:c107a6f8c368 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
jplunkett 0:c107a6f8c368 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jplunkett 0:c107a6f8c368 29 */
jplunkett 0:c107a6f8c368 30
jplunkett 0:c107a6f8c368 31 /* Standard C Included Files */
jplunkett 0:c107a6f8c368 32 #include "mbed.h"
jplunkett 0:c107a6f8c368 33 #include <stdio.h>
jplunkett 0:c107a6f8c368 34 #include <string.h>
jplunkett 0:c107a6f8c368 35 #include "stdio_thread.h"
jplunkett 0:c107a6f8c368 36 #include "fsl_lcdc.h"
jplunkett 0:c107a6f8c368 37 #include "fsl_ft5406.h"
jplunkett 0:c107a6f8c368 38 #include "fsl_sctimer.h"
jplunkett 0:c107a6f8c368 39 #include "fsl_gpio.h"
jplunkett 0:c107a6f8c368 40 #include "fsl_i2c.h"
jplunkett 0:c107a6f8c368 41 #include "board.h"
jplunkett 0:c107a6f8c368 42 #include "pin_mux.h"
jplunkett 0:c107a6f8c368 43 #include "image.h"
jplunkett 0:c107a6f8c368 44
jplunkett 0:c107a6f8c368 45 /*******************************************************************************
jplunkett 0:c107a6f8c368 46 * Definitions
jplunkett 0:c107a6f8c368 47 ******************************************************************************/
jplunkett 0:c107a6f8c368 48 #define APP_LCD LCD
jplunkett 0:c107a6f8c368 49 #define LCD_PANEL_CLK 9000000
jplunkett 0:c107a6f8c368 50 #define LCD_PPL 480
jplunkett 0:c107a6f8c368 51 #define LCD_HSW 2
jplunkett 0:c107a6f8c368 52 #define LCD_HFP 8
jplunkett 0:c107a6f8c368 53 #define LCD_HBP 43
jplunkett 0:c107a6f8c368 54 #define LCD_LPP 272
jplunkett 0:c107a6f8c368 55 #define LCD_VSW 10
jplunkett 0:c107a6f8c368 56 #define LCD_VFP 4
jplunkett 0:c107a6f8c368 57 #define LCD_VBP 12
jplunkett 0:c107a6f8c368 58 #define LCD_POL_FLAGS kLCDC_InvertVsyncPolarity | kLCDC_InvertHsyncPolarity
jplunkett 0:c107a6f8c368 59 #define IMG_HEIGHT 272
jplunkett 0:c107a6f8c368 60 #define IMG_WIDTH 480
jplunkett 0:c107a6f8c368 61 #define LCD_INPUT_CLK_FREQ CLOCK_GetFreq(kCLOCK_LCD)
jplunkett 0:c107a6f8c368 62 #define APP_LCD_IRQHandler LCD_IRQHandler
jplunkett 0:c107a6f8c368 63 #define APP_LCD_IRQn LCD_IRQn
jplunkett 0:c107a6f8c368 64 #define EXAMPLE_I2C_MASTER_BASE (I2C2_BASE)
jplunkett 0:c107a6f8c368 65 #define I2C_MASTER_CLOCK_FREQUENCY (12000000)
jplunkett 0:c107a6f8c368 66 #define APP_PIXEL_PER_BYTE 8
jplunkett 0:c107a6f8c368 67
jplunkett 0:c107a6f8c368 68 #define EXAMPLE_I2C_MASTER ((I2C_Type *)EXAMPLE_I2C_MASTER_BASE)
jplunkett 0:c107a6f8c368 69 #define I2C_MASTER_SLAVE_ADDR_7BIT 0x7EU
jplunkett 0:c107a6f8c368 70 #define I2C_BAUDRATE 100000U
jplunkett 0:c107a6f8c368 71
jplunkett 0:c107a6f8c368 72 /*******************************************************************************
jplunkett 0:c107a6f8c368 73 * Prototypes
jplunkett 0:c107a6f8c368 74 ******************************************************************************/
jplunkett 0:c107a6f8c368 75
jplunkett 0:c107a6f8c368 76 /*******************************************************************************
jplunkett 0:c107a6f8c368 77 * Variables
jplunkett 0:c107a6f8c368 78 ******************************************************************************/
jplunkett 0:c107a6f8c368 79
jplunkett 0:c107a6f8c368 80 #if (defined(__CC_ARM) || defined(__GNUC__))
jplunkett 0:c107a6f8c368 81 __attribute__((aligned(8)))
jplunkett 0:c107a6f8c368 82 #elif defined(__ICCARM__)
jplunkett 0:c107a6f8c368 83 #pragma data_alignment = 8
jplunkett 0:c107a6f8c368 84 #else
jplunkett 0:c107a6f8c368 85 #error Toolchain not support.
jplunkett 0:c107a6f8c368 86 #endif
jplunkett 0:c107a6f8c368 87
jplunkett 0:c107a6f8c368 88 void *vram_ptr = s_frameBufs;
jplunkett 0:c107a6f8c368 89
jplunkett 0:c107a6f8c368 90 /* Frame end flag. */
jplunkett 0:c107a6f8c368 91 static volatile bool s_frameEndFlag;
jplunkett 0:c107a6f8c368 92
jplunkett 0:c107a6f8c368 93 /* Color palette. */
jplunkett 0:c107a6f8c368 94 static const uint32_t palette[] = { 0x001F00000 }; //{0x0000001F}; //{0x001F0000U, 0x7C0003E0U};
jplunkett 0:c107a6f8c368 95
jplunkett 0:c107a6f8c368 96 /* 32x32 pixel cursor image. */
jplunkett 0:c107a6f8c368 97 #if (defined(__CC_ARM) || defined(__GNUC__))
jplunkett 0:c107a6f8c368 98 __attribute__((aligned(4)))
jplunkett 0:c107a6f8c368 99 #elif defined(__ICCARM__)
jplunkett 0:c107a6f8c368 100 #pragma data_alignment = 4
jplunkett 0:c107a6f8c368 101 #else
jplunkett 0:c107a6f8c368 102 #error Toolchain not support.
jplunkett 0:c107a6f8c368 103 #endif
jplunkett 0:c107a6f8c368 104 static const uint8_t cursor32Img0[] = {
jplunkett 0:c107a6f8c368 105 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 106 0xAA, 0xAA, 0xAA, /* Line 1. */
jplunkett 0:c107a6f8c368 107 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 108 0xAA, 0xAA, 0xAA, /* Line 2. */
jplunkett 0:c107a6f8c368 109 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 110 0xAA, 0xAA, 0xAA, /* Line 3. */
jplunkett 0:c107a6f8c368 111 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 112 0xAA, 0xAA, 0xAA, /* Line 4. */
jplunkett 0:c107a6f8c368 113 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 114 0xAA, 0xAA, 0xAA, /* Line 5. */
jplunkett 0:c107a6f8c368 115 0xAA, 0xAA, 0xAA, 0xFA, 0xAA,
jplunkett 0:c107a6f8c368 116 0xAA, 0xAA, 0xAA, /* Line 6. */
jplunkett 0:c107a6f8c368 117 0xAA, 0xAA, 0xAB, 0xFE, 0xAA,
jplunkett 0:c107a6f8c368 118 0xAA, 0xAA, 0xAA, /* Line 7. */
jplunkett 0:c107a6f8c368 119 0xAA, 0xAA, 0xAB, 0xFE, 0xAA,
jplunkett 0:c107a6f8c368 120 0xAA, 0xAA, 0xAA, /* Line 8. */
jplunkett 0:c107a6f8c368 121 0xAA, 0xAA, 0xAB, 0xFE, 0xAA,
jplunkett 0:c107a6f8c368 122 0xAA, 0xAA, 0xAA, /* Line 9. */
jplunkett 0:c107a6f8c368 123 0xAA, 0xAA, 0xAB, 0xFE, 0xAA,
jplunkett 0:c107a6f8c368 124 0xAA, 0xAA, 0xAA, /* Line 10 */
jplunkett 0:c107a6f8c368 125 0xAA, 0xAA, 0xAB, 0xFF, 0xEA,
jplunkett 0:c107a6f8c368 126 0xAA, 0xAA, 0xAA, /* Line 11. */
jplunkett 0:c107a6f8c368 127 0xAA, 0xAA, 0xAB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 128 0xAA, 0xAA, 0xAA, /* Line 12. */
jplunkett 0:c107a6f8c368 129 0xAA, 0xAA, 0xAB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 130 0xFA, 0xAA, 0xAA, /* Line 13. */
jplunkett 0:c107a6f8c368 131 0xAA, 0xAA, 0xAB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 132 0xFE, 0xAA, 0xAA, /* Line 14. */
jplunkett 0:c107a6f8c368 133 0xAA, 0xAB, 0xFB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 134 0xFF, 0xAA, 0xAA, /* Line 15. */
jplunkett 0:c107a6f8c368 135 0xAA, 0xAB, 0xFF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 136 0xFF, 0xAA, 0xAA, /* Line 16. */
jplunkett 0:c107a6f8c368 137 0xAA, 0xAB, 0xFF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 138 0xFF, 0xAA, 0xAA, /* Line 17. */
jplunkett 0:c107a6f8c368 139 0xAA, 0xAA, 0xFF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 140 0xFF, 0xAA, 0xAA, /* Line 18. */
jplunkett 0:c107a6f8c368 141 0xAA, 0xAA, 0xBF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 142 0xFF, 0xAA, 0xAA, /* Line 19. */
jplunkett 0:c107a6f8c368 143 0xAA, 0xAA, 0xBF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 144 0xFF, 0xAA, 0xAA, /* Line 20. */
jplunkett 0:c107a6f8c368 145 0xAA, 0xAA, 0xAF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 146 0xFF, 0xAA, 0xAA, /* Line 21. */
jplunkett 0:c107a6f8c368 147 0xAA, 0xAA, 0xAF, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 148 0xFE, 0xAA, 0xAA, /* Line 22. */
jplunkett 0:c107a6f8c368 149 0xAA, 0xAA, 0xAB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 150 0xFE, 0xAA, 0xAA, /* Line 23. */
jplunkett 0:c107a6f8c368 151 0xAA, 0xAA, 0xAB, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 152 0xFE, 0xAA, 0xAA, /* Line 24. */
jplunkett 0:c107a6f8c368 153 0xAA, 0xAA, 0xAA, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 154 0xFA, 0xAA, 0xAA, /* Line 25. */
jplunkett 0:c107a6f8c368 155 0xAA, 0xAA, 0xAA, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 156 0xFA, 0xAA, 0xAA, /* Line 26. */
jplunkett 0:c107a6f8c368 157 0xAA, 0xAA, 0xAA, 0xFF, 0xFF,
jplunkett 0:c107a6f8c368 158 0xFA, 0xAA, 0xAA, /* Line 27. */
jplunkett 0:c107a6f8c368 159 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 160 0xAA, 0xAA, 0xAA, /* Line 28. */
jplunkett 0:c107a6f8c368 161 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 162 0xAA, 0xAA, 0xAA, /* Line 29. */
jplunkett 0:c107a6f8c368 163 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 164 0xAA, 0xAA, 0xAA, /* Line 30. */
jplunkett 0:c107a6f8c368 165 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 166 0xAA, 0xAA, 0xAA, /* Line 31. */
jplunkett 0:c107a6f8c368 167 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
jplunkett 0:c107a6f8c368 168 0xAA, 0xAA, 0xAA /* Line 32. */
jplunkett 0:c107a6f8c368 169 };
jplunkett 0:c107a6f8c368 170
jplunkett 0:c107a6f8c368 171 /*******************************************************************************
jplunkett 0:c107a6f8c368 172 * Code
jplunkett 0:c107a6f8c368 173 ******************************************************************************/
jplunkett 0:c107a6f8c368 174 static void BOARD_InitPWM(void)
jplunkett 0:c107a6f8c368 175 {
jplunkett 0:c107a6f8c368 176 sctimer_config_t config;
jplunkett 0:c107a6f8c368 177 sctimer_pwm_signal_param_t pwmParam;
jplunkett 0:c107a6f8c368 178 uint32_t event;
jplunkett 0:c107a6f8c368 179
jplunkett 0:c107a6f8c368 180 CLOCK_AttachClk(kMCLK_to_SCT_CLK);
jplunkett 0:c107a6f8c368 181
jplunkett 0:c107a6f8c368 182 CLOCK_SetClkDiv(kCLOCK_DivSctClk, 2, true);
jplunkett 0:c107a6f8c368 183
jplunkett 0:c107a6f8c368 184 SCTIMER_GetDefaultConfig(&config);
jplunkett 0:c107a6f8c368 185
jplunkett 0:c107a6f8c368 186 SCTIMER_Init(SCT0, &config);
jplunkett 0:c107a6f8c368 187
jplunkett 0:c107a6f8c368 188 pwmParam.output = kSCTIMER_Out_5;
jplunkett 0:c107a6f8c368 189 pwmParam.level = kSCTIMER_HighTrue;
jplunkett 0:c107a6f8c368 190 pwmParam.dutyCyclePercent = 5;
jplunkett 0:c107a6f8c368 191
jplunkett 0:c107a6f8c368 192 SCTIMER_SetupPwm(SCT0, &pwmParam, kSCTIMER_CenterAlignedPwm, 1000U, CLOCK_GetFreq(kCLOCK_Sct), &event);
jplunkett 0:c107a6f8c368 193 }
jplunkett 0:c107a6f8c368 194
jplunkett 0:c107a6f8c368 195 void APP_LCD_IRQHandler(void)
jplunkett 0:c107a6f8c368 196 {
jplunkett 0:c107a6f8c368 197 uint32_t intStatus = LCDC_GetEnabledInterruptsPendingStatus(APP_LCD);
jplunkett 0:c107a6f8c368 198
jplunkett 0:c107a6f8c368 199 LCDC_ClearInterruptsStatus(APP_LCD, intStatus);
jplunkett 0:c107a6f8c368 200
jplunkett 0:c107a6f8c368 201 if (intStatus & kLCDC_VerticalCompareInterrupt)
jplunkett 0:c107a6f8c368 202 {
jplunkett 0:c107a6f8c368 203 s_frameEndFlag = true;
jplunkett 0:c107a6f8c368 204 }
jplunkett 0:c107a6f8c368 205 __DSB();
jplunkett 0:c107a6f8c368 206 }
jplunkett 0:c107a6f8c368 207
jplunkett 0:c107a6f8c368 208 status_t APP_LCDC_Init(void)
jplunkett 0:c107a6f8c368 209 {
jplunkett 0:c107a6f8c368 210 /* Initialize the display. */
jplunkett 0:c107a6f8c368 211 lcdc_config_t lcdConfig;
jplunkett 0:c107a6f8c368 212 lcdc_cursor_config_t cursorConfig;
jplunkett 0:c107a6f8c368 213
jplunkett 0:c107a6f8c368 214 LCDC_GetDefaultConfig(&lcdConfig);
jplunkett 0:c107a6f8c368 215
jplunkett 0:c107a6f8c368 216 lcdConfig.panelClock_Hz = LCD_PANEL_CLK;
jplunkett 0:c107a6f8c368 217 lcdConfig.ppl = LCD_PPL;
jplunkett 0:c107a6f8c368 218 lcdConfig.hsw = LCD_HSW;
jplunkett 0:c107a6f8c368 219 lcdConfig.hfp = LCD_HFP;
jplunkett 0:c107a6f8c368 220 lcdConfig.hbp = LCD_HBP;
jplunkett 0:c107a6f8c368 221 lcdConfig.lpp = LCD_LPP;
jplunkett 0:c107a6f8c368 222 lcdConfig.vsw = LCD_VSW;
jplunkett 0:c107a6f8c368 223 lcdConfig.vfp = LCD_VFP;
jplunkett 0:c107a6f8c368 224 lcdConfig.vbp = LCD_VBP;
jplunkett 0:c107a6f8c368 225 lcdConfig.polarityFlags = LCD_POL_FLAGS;
jplunkett 0:c107a6f8c368 226 lcdConfig.upperPanelAddr = (uint32_t)s_frameBufs;
jplunkett 0:c107a6f8c368 227 lcdConfig.bpp = kLCDC_1BPP;
jplunkett 0:c107a6f8c368 228 lcdConfig.display = kLCDC_DisplayTFT;
jplunkett 0:c107a6f8c368 229 lcdConfig.swapRedBlue = true; //false;
jplunkett 0:c107a6f8c368 230 lcdConfig.dataFormat = kLCDC_WinCeMode;
jplunkett 0:c107a6f8c368 231
jplunkett 0:c107a6f8c368 232 LCDC_Init(APP_LCD, &lcdConfig, LCD_INPUT_CLK_FREQ);
jplunkett 0:c107a6f8c368 233
jplunkett 0:c107a6f8c368 234 LCDC_SetPalette(APP_LCD, palette, ARRAY_SIZE(palette));
jplunkett 0:c107a6f8c368 235
jplunkett 0:c107a6f8c368 236 /* Setup the Cursor. */
jplunkett 0:c107a6f8c368 237 LCDC_CursorGetDefaultConfig(&cursorConfig);
jplunkett 0:c107a6f8c368 238
jplunkett 0:c107a6f8c368 239 cursorConfig.size = kLCDC_CursorSize32;
jplunkett 0:c107a6f8c368 240 cursorConfig.syncMode = kLCDC_CursorSync;
jplunkett 0:c107a6f8c368 241 cursorConfig.image[0] = (uint32_t *)cursor32Img0;
jplunkett 0:c107a6f8c368 242
jplunkett 0:c107a6f8c368 243 LCDC_SetCursorConfig(APP_LCD, &cursorConfig);
jplunkett 0:c107a6f8c368 244 LCDC_ChooseCursor(APP_LCD, 0);
jplunkett 0:c107a6f8c368 245
jplunkett 0:c107a6f8c368 246 /* Trigger interrupt at start of every vertical back porch. */
jplunkett 0:c107a6f8c368 247 LCDC_SetVerticalInterruptMode(APP_LCD, kLCDC_StartOfBackPorch);
jplunkett 0:c107a6f8c368 248 LCDC_EnableInterrupts(APP_LCD, kLCDC_VerticalCompareInterrupt);
jplunkett 0:c107a6f8c368 249 // NVIC_EnableIRQ(APP_LCD_IRQn);
jplunkett 0:c107a6f8c368 250
jplunkett 0:c107a6f8c368 251 LCDC_EnableCursor(APP_LCD, true);
jplunkett 0:c107a6f8c368 252
jplunkett 0:c107a6f8c368 253 LCDC_Start(APP_LCD);
jplunkett 0:c107a6f8c368 254 LCDC_PowerUp(APP_LCD);
jplunkett 0:c107a6f8c368 255
jplunkett 0:c107a6f8c368 256 return kStatus_Success;
jplunkett 0:c107a6f8c368 257 }
jplunkett 0:c107a6f8c368 258
jplunkett 0:c107a6f8c368 259 status_t APP_I2C_Init(void)
jplunkett 0:c107a6f8c368 260 {
jplunkett 0:c107a6f8c368 261 i2c_master_config_t masterConfig;
jplunkett 0:c107a6f8c368 262
jplunkett 0:c107a6f8c368 263 I2C_MasterGetDefaultConfig(&masterConfig);
jplunkett 0:c107a6f8c368 264
jplunkett 0:c107a6f8c368 265 /* Change the default baudrate configuration */
jplunkett 0:c107a6f8c368 266 masterConfig.baudRate_Bps = I2C_BAUDRATE;
jplunkett 0:c107a6f8c368 267
jplunkett 0:c107a6f8c368 268 /* Initialize the I2C master peripheral */
jplunkett 0:c107a6f8c368 269 I2C_MasterInit(EXAMPLE_I2C_MASTER, &masterConfig, I2C_MASTER_CLOCK_FREQUENCY);
jplunkett 0:c107a6f8c368 270
jplunkett 0:c107a6f8c368 271 return kStatus_Success;
jplunkett 0:c107a6f8c368 272 }
jplunkett 0:c107a6f8c368 273
jplunkett 0:c107a6f8c368 274 void APP_SetCursorPosition(int posX, int posY)
jplunkett 0:c107a6f8c368 275 {
jplunkett 0:c107a6f8c368 276 posX -= 12;
jplunkett 0:c107a6f8c368 277 posY -= 5;
jplunkett 0:c107a6f8c368 278
jplunkett 0:c107a6f8c368 279 LCDC_SetCursorPosition(APP_LCD, posX, posY);
jplunkett 0:c107a6f8c368 280 }
jplunkett 0:c107a6f8c368 281
jplunkett 0:c107a6f8c368 282 int main(void)
jplunkett 0:c107a6f8c368 283 {
jplunkett 0:c107a6f8c368 284 int cursorPosX = 0U;
jplunkett 0:c107a6f8c368 285 int cursorPosY = 0U;
jplunkett 0:c107a6f8c368 286
jplunkett 0:c107a6f8c368 287 ft5406_handle_t touch_handle;
jplunkett 0:c107a6f8c368 288 touch_event_t touch_event;
jplunkett 0:c107a6f8c368 289
jplunkett 0:c107a6f8c368 290 status_t status;
jplunkett 0:c107a6f8c368 291
jplunkett 0:c107a6f8c368 292 gpio_pin_config_t pin_config = {
jplunkett 0:c107a6f8c368 293 kGPIO_DigitalOutput, 0,
jplunkett 0:c107a6f8c368 294 };
jplunkett 0:c107a6f8c368 295
jplunkett 0:c107a6f8c368 296 /* Board pin, clock, debug console init */
jplunkett 0:c107a6f8c368 297 /* attach 12 MHz clock to FLEXCOMM0 (debug console) */
jplunkett 0:c107a6f8c368 298 CLOCK_AttachClk(BOARD_DEBUG_UART_CLK_ATTACH);
jplunkett 0:c107a6f8c368 299
jplunkett 0:c107a6f8c368 300 /* Route Main clock to LCD. */
jplunkett 0:c107a6f8c368 301 CLOCK_AttachClk(kMCLK_to_LCD_CLK);
jplunkett 0:c107a6f8c368 302
jplunkett 0:c107a6f8c368 303 /* attach 12 MHz clock to FLEXCOMM2 (I2C master for touch controller) */
jplunkett 0:c107a6f8c368 304 CLOCK_AttachClk(kFRO12M_to_FLEXCOMM2);
jplunkett 0:c107a6f8c368 305
jplunkett 0:c107a6f8c368 306 CLOCK_EnableClock(kCLOCK_Gpio2);
jplunkett 0:c107a6f8c368 307
jplunkett 0:c107a6f8c368 308 CLOCK_SetClkDiv(kCLOCK_DivLcdClk, 1, true);
jplunkett 0:c107a6f8c368 309
jplunkett 0:c107a6f8c368 310 BOARD_InitPins();
jplunkett 0:c107a6f8c368 311 BOARD_BootClockFROHF48M();
jplunkett 0:c107a6f8c368 312 // BOARD_InitDebugConsole();
jplunkett 0:c107a6f8c368 313
jplunkett 0:c107a6f8c368 314 /* Set the back light PWM. */
jplunkett 0:c107a6f8c368 315 BOARD_InitPWM();
jplunkett 0:c107a6f8c368 316
jplunkett 0:c107a6f8c368 317 // APP_FillBuffer((void *)(s_frameBufs));
jplunkett 0:c107a6f8c368 318
jplunkett 0:c107a6f8c368 319 status = APP_LCDC_Init();
jplunkett 0:c107a6f8c368 320 if (status != kStatus_Success)
jplunkett 0:c107a6f8c368 321 {
jplunkett 0:c107a6f8c368 322 safe_printf("LCD init failed\n");
jplunkett 0:c107a6f8c368 323 }
jplunkett 0:c107a6f8c368 324 assert(status == kStatus_Success);
jplunkett 0:c107a6f8c368 325
jplunkett 0:c107a6f8c368 326 status = APP_I2C_Init();
jplunkett 0:c107a6f8c368 327 if (status != kStatus_Success)
jplunkett 0:c107a6f8c368 328 {
jplunkett 0:c107a6f8c368 329 safe_printf("I2C init failed\n");
jplunkett 0:c107a6f8c368 330 }
jplunkett 0:c107a6f8c368 331 assert(status == kStatus_Success);
jplunkett 0:c107a6f8c368 332
jplunkett 0:c107a6f8c368 333 GPIO_PinInit(GPIO, 2, 27, &pin_config);
jplunkett 0:c107a6f8c368 334 // GPIO_WritePinOutput(GPIO, 2, 27, 1);
jplunkett 0:c107a6f8c368 335 GPIO->B[2][27] = 1;
jplunkett 0:c107a6f8c368 336
jplunkett 0:c107a6f8c368 337 status = FT5406_Init(&touch_handle, EXAMPLE_I2C_MASTER);
jplunkett 0:c107a6f8c368 338 if (status != kStatus_Success)
jplunkett 0:c107a6f8c368 339 {
jplunkett 0:c107a6f8c368 340 safe_printf("Touch panel init failed\n");
jplunkett 0:c107a6f8c368 341 }
jplunkett 0:c107a6f8c368 342 assert(status == kStatus_Success);
jplunkett 0:c107a6f8c368 343
jplunkett 0:c107a6f8c368 344 uint32_t xMin = 0xbd;
jplunkett 0:c107a6f8c368 345 uint32_t xMax = 0xea;
jplunkett 0:c107a6f8c368 346 uint32_t yMin = 0xb7;
jplunkett 0:c107a6f8c368 347 uint32_t yMax = 0x12f;
jplunkett 0:c107a6f8c368 348
jplunkett 0:c107a6f8c368 349 for (;;)
jplunkett 0:c107a6f8c368 350 {
jplunkett 0:c107a6f8c368 351 if (kStatus_Success == FT5406_GetSingleTouch(&touch_handle, &touch_event, &cursorPosX, &cursorPosY))
jplunkett 0:c107a6f8c368 352 {
jplunkett 0:c107a6f8c368 353 if ((touch_event == kTouch_Down) || (touch_event == kTouch_Contact))
jplunkett 0:c107a6f8c368 354 {
jplunkett 0:c107a6f8c368 355 /* Update cursor position */
jplunkett 0:c107a6f8c368 356 APP_SetCursorPosition(cursorPosY, cursorPosX);
jplunkett 0:c107a6f8c368 357 if (xMin < cursorPosX && cursorPosX < xMax && yMin < cursorPosY && cursorPosY < yMax) {
jplunkett 0:c107a6f8c368 358 safe_printf("You've clicked the button! (0x%2x, 0x%2x)\r\n", cursorPosX, cursorPosY);
jplunkett 0:c107a6f8c368 359 }
jplunkett 0:c107a6f8c368 360 }
jplunkett 0:c107a6f8c368 361 }
jplunkett 0:c107a6f8c368 362 else
jplunkett 0:c107a6f8c368 363 {
jplunkett 0:c107a6f8c368 364 safe_printf("error reading touch controller\r\n");
jplunkett 0:c107a6f8c368 365 }
jplunkett 0:c107a6f8c368 366 }
jplunkett 0:c107a6f8c368 367 }