Ryo Hagimoto / Mbed OS RZ_A2M_Mbed_samples_20201012

GR-MANGO sample using mbed-os library from my repository.

Dependencies:   mbed-http

sample_programs/sample_06_lcd_touch_jcu.cpp@0:b4c1e32627f2, 2020-10-12 (annotated)

Committer:
RyoheiHagimoto
Date:
Mon Oct 12 02:25:49 2020 +0000
Revision:
0:b4c1e32627f2
replaced mbed-os library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RyoheiHagimoto 0:b4c1e32627f2 1 /*******************************************************************************
RyoheiHagimoto 0:b4c1e32627f2 2 * DISCLAIMER
RyoheiHagimoto 0:b4c1e32627f2 3 * This software is supplied by Renesas Electronics Corporation and is only
RyoheiHagimoto 0:b4c1e32627f2 4 * intended for use with Renesas products. No other uses are authorized. This
RyoheiHagimoto 0:b4c1e32627f2 5 * software is owned by Renesas Electronics Corporation and is protected under
RyoheiHagimoto 0:b4c1e32627f2 6 * all applicable laws, including copyright laws.
RyoheiHagimoto 0:b4c1e32627f2 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
RyoheiHagimoto 0:b4c1e32627f2 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
RyoheiHagimoto 0:b4c1e32627f2 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
RyoheiHagimoto 0:b4c1e32627f2 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
RyoheiHagimoto 0:b4c1e32627f2 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
RyoheiHagimoto 0:b4c1e32627f2 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
RyoheiHagimoto 0:b4c1e32627f2 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
RyoheiHagimoto 0:b4c1e32627f2 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
RyoheiHagimoto 0:b4c1e32627f2 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
RyoheiHagimoto 0:b4c1e32627f2 16 * Renesas reserves the right, without notice, to make changes to this software
RyoheiHagimoto 0:b4c1e32627f2 17 * and to discontinue the availability of this software. By using this software,
RyoheiHagimoto 0:b4c1e32627f2 18 * you agree to the additional terms and conditions found by accessing the
RyoheiHagimoto 0:b4c1e32627f2 19 * following link:
RyoheiHagimoto 0:b4c1e32627f2 20 * http://www.renesas.com/disclaimer
RyoheiHagimoto 0:b4c1e32627f2 21 *
RyoheiHagimoto 0:b4c1e32627f2 22 * Copyright (C) 2019 Renesas Electronics Corporation. All rights reserved.
RyoheiHagimoto 0:b4c1e32627f2 23 *******************************************************************************/
RyoheiHagimoto 0:b4c1e32627f2 24 #include "sample_select.h"
RyoheiHagimoto 0:b4c1e32627f2 25
RyoheiHagimoto 0:b4c1e32627f2 26 #if (SAMPLE_PROGRAM_NO == 6)
RyoheiHagimoto 0:b4c1e32627f2 27 // SAMPLE_PROGRAM_NO 6 : LCD, Touch panel and JCU sample (use USB memory or SD card)
RyoheiHagimoto 0:b4c1e32627f2 28 //
RyoheiHagimoto 0:b4c1e32627f2 29 // Decodes the JPEG file in the USB memory and displays it on the LED.
RyoheiHagimoto 0:b4c1e32627f2 30 // Touch information displays on the JPEG image.
RyoheiHagimoto 0:b4c1e32627f2 31 // Up to 2 touch positions can be recognized at the same time.
RyoheiHagimoto 0:b4c1e32627f2 32
RyoheiHagimoto 0:b4c1e32627f2 33 #if defined(TARGET_SEMB1402) || defined(TARGET_RZ_A2M_SBEV)
RyoheiHagimoto 0:b4c1e32627f2 34 #error "LCD is not supported."
RyoheiHagimoto 0:b4c1e32627f2 35 #endif
RyoheiHagimoto 0:b4c1e32627f2 36
RyoheiHagimoto 0:b4c1e32627f2 37 #include "mbed.h"
RyoheiHagimoto 0:b4c1e32627f2 38 #include "FATFileSystem.h"
RyoheiHagimoto 0:b4c1e32627f2 39 #include "SdUsbConnect.h"
RyoheiHagimoto 0:b4c1e32627f2 40 #include "dcache-control.h"
RyoheiHagimoto 0:b4c1e32627f2 41 #include "EasyAttach_CameraAndLCD.h"
RyoheiHagimoto 0:b4c1e32627f2 42 #include "JPEG_Converter.h"
RyoheiHagimoto 0:b4c1e32627f2 43
RyoheiHagimoto 0:b4c1e32627f2 44 #define FRAME_BUFFER_STRIDE (((LCD_PIXEL_WIDTH * 2) + 31u) & ~31u)
RyoheiHagimoto 0:b4c1e32627f2 45 #define FRAME_BUFFER_HEIGHT (LCD_PIXEL_HEIGHT)
RyoheiHagimoto 0:b4c1e32627f2 46
RyoheiHagimoto 0:b4c1e32627f2 47 #define FILE_NAME_LEN (64)
RyoheiHagimoto 0:b4c1e32627f2 48 #define MOUNT_NAME "storage"
RyoheiHagimoto 0:b4c1e32627f2 49
RyoheiHagimoto 0:b4c1e32627f2 50 static uint8_t user_frame_buffer0[FRAME_BUFFER_STRIDE * FRAME_BUFFER_HEIGHT]__attribute((aligned(32)));
RyoheiHagimoto 0:b4c1e32627f2 51 static uint8_t JpegBuffer[128 * 1024]__attribute((aligned(32)));
RyoheiHagimoto 0:b4c1e32627f2 52
RyoheiHagimoto 0:b4c1e32627f2 53 DisplayBase Display;
RyoheiHagimoto 0:b4c1e32627f2 54
RyoheiHagimoto 0:b4c1e32627f2 55
RyoheiHagimoto 0:b4c1e32627f2 56 #if defined(TouckKey_LCD_shield)
RyoheiHagimoto 0:b4c1e32627f2 57
RyoheiHagimoto 0:b4c1e32627f2 58 /* TOUCH BUFFER Parameter GRAPHICS_LAYER_2 */
RyoheiHagimoto 0:b4c1e32627f2 59 #define TOUCH_BUFFER_BYTE_PER_PIXEL (2u)
RyoheiHagimoto 0:b4c1e32627f2 60 #define TOUCH_BUFFER_STRIDE (((LCD_PIXEL_WIDTH * TOUCH_BUFFER_BYTE_PER_PIXEL) + 31u) & ~31u)
RyoheiHagimoto 0:b4c1e32627f2 61
RyoheiHagimoto 0:b4c1e32627f2 62 /* Touch panel parameter */
RyoheiHagimoto 0:b4c1e32627f2 63 #define TOUCH_NUM (2u)
RyoheiHagimoto 0:b4c1e32627f2 64 #define DRAW_POINT (8)
RyoheiHagimoto 0:b4c1e32627f2 65
RyoheiHagimoto 0:b4c1e32627f2 66 static Semaphore sem_touch_int(0);
RyoheiHagimoto 0:b4c1e32627f2 67 static uint8_t user_frame_buffer_touch[TOUCH_BUFFER_STRIDE * LCD_PIXEL_HEIGHT]__attribute((aligned(32)));
RyoheiHagimoto 0:b4c1e32627f2 68
RyoheiHagimoto 0:b4c1e32627f2 69 static void draw_touch_pos(uint8_t * p_buf, int id, int x, int y) {
RyoheiHagimoto 0:b4c1e32627f2 70 int idx_base;
RyoheiHagimoto 0:b4c1e32627f2 71 int wk_idx;
RyoheiHagimoto 0:b4c1e32627f2 72 int i;
RyoheiHagimoto 0:b4c1e32627f2 73 int j;
RyoheiHagimoto 0:b4c1e32627f2 74 uint8_t coller_pix[TOUCH_BUFFER_BYTE_PER_PIXEL]; /* ARGB4444 */
RyoheiHagimoto 0:b4c1e32627f2 75
RyoheiHagimoto 0:b4c1e32627f2 76 /* A coordinate in the upper left is calculated from a central coordinate. */
RyoheiHagimoto 0:b4c1e32627f2 77 if ((x - (DRAW_POINT / 2)) >= 0) {
RyoheiHagimoto 0:b4c1e32627f2 78 x -= (DRAW_POINT / 2);
RyoheiHagimoto 0:b4c1e32627f2 79 }
RyoheiHagimoto 0:b4c1e32627f2 80 if (x > ((int)LCD_PIXEL_WIDTH - DRAW_POINT)) {
RyoheiHagimoto 0:b4c1e32627f2 81 x = ((int)LCD_PIXEL_WIDTH - DRAW_POINT);
RyoheiHagimoto 0:b4c1e32627f2 82 }
RyoheiHagimoto 0:b4c1e32627f2 83 if ((y - (DRAW_POINT / 2)) >= 0) {
RyoheiHagimoto 0:b4c1e32627f2 84 y -= (DRAW_POINT / 2);
RyoheiHagimoto 0:b4c1e32627f2 85 }
RyoheiHagimoto 0:b4c1e32627f2 86 if (y > ((int)LCD_PIXEL_HEIGHT - DRAW_POINT)) {
RyoheiHagimoto 0:b4c1e32627f2 87 y = ((int)LCD_PIXEL_HEIGHT - DRAW_POINT);
RyoheiHagimoto 0:b4c1e32627f2 88 }
RyoheiHagimoto 0:b4c1e32627f2 89 idx_base = (x + ((int)LCD_PIXEL_WIDTH * y)) * TOUCH_BUFFER_BYTE_PER_PIXEL;
RyoheiHagimoto 0:b4c1e32627f2 90
RyoheiHagimoto 0:b4c1e32627f2 91 /* Select color */
RyoheiHagimoto 0:b4c1e32627f2 92 if (id == 0) {
RyoheiHagimoto 0:b4c1e32627f2 93 /* Blue */
RyoheiHagimoto 0:b4c1e32627f2 94 coller_pix[0] = 0x0F; /* 4:Green 4:Blue */
RyoheiHagimoto 0:b4c1e32627f2 95 coller_pix[1] = 0xF0; /* 4:Alpha 4:Red */
RyoheiHagimoto 0:b4c1e32627f2 96 } else {
RyoheiHagimoto 0:b4c1e32627f2 97 /* Pink */
RyoheiHagimoto 0:b4c1e32627f2 98 coller_pix[0] = 0x07; /* 4:Green 4:Blue */
RyoheiHagimoto 0:b4c1e32627f2 99 coller_pix[1] = 0xFF; /* 4:Alpha 4:Red */
RyoheiHagimoto 0:b4c1e32627f2 100 }
RyoheiHagimoto 0:b4c1e32627f2 101
RyoheiHagimoto 0:b4c1e32627f2 102 /* Drawing */
RyoheiHagimoto 0:b4c1e32627f2 103 for (i = 0; i < DRAW_POINT; i++) {
RyoheiHagimoto 0:b4c1e32627f2 104 wk_idx = idx_base + ((int)LCD_PIXEL_WIDTH * TOUCH_BUFFER_BYTE_PER_PIXEL * i);
RyoheiHagimoto 0:b4c1e32627f2 105 for (j = 0; j < DRAW_POINT; j++) {
RyoheiHagimoto 0:b4c1e32627f2 106 p_buf[wk_idx++] = coller_pix[0];
RyoheiHagimoto 0:b4c1e32627f2 107 p_buf[wk_idx++] = coller_pix[1];
RyoheiHagimoto 0:b4c1e32627f2 108 }
RyoheiHagimoto 0:b4c1e32627f2 109 }
RyoheiHagimoto 0:b4c1e32627f2 110 }
RyoheiHagimoto 0:b4c1e32627f2 111
RyoheiHagimoto 0:b4c1e32627f2 112 static void touch_int_callback(void) {
RyoheiHagimoto 0:b4c1e32627f2 113 sem_touch_int.release();
RyoheiHagimoto 0:b4c1e32627f2 114 }
RyoheiHagimoto 0:b4c1e32627f2 115
RyoheiHagimoto 0:b4c1e32627f2 116 static void touch_task(void) {
RyoheiHagimoto 0:b4c1e32627f2 117 DisplayBase::rect_t rect;
RyoheiHagimoto 0:b4c1e32627f2 118 TouchKey::touch_pos_t touch_pos[TOUCH_NUM];
RyoheiHagimoto 0:b4c1e32627f2 119 int touch_num = 0;
RyoheiHagimoto 0:b4c1e32627f2 120 int touch_num_last = 0;
RyoheiHagimoto 0:b4c1e32627f2 121 uint32_t i;
RyoheiHagimoto 0:b4c1e32627f2 122 #if defined(TARGET_RZ_A1XX)
RyoheiHagimoto 0:b4c1e32627f2 123 TouckKey_LCD_shield touch(P4_0, P2_13, I2C_SDA, I2C_SCL);
RyoheiHagimoto 0:b4c1e32627f2 124 #elif defined(TARGET_RZ_A2XX)
RyoheiHagimoto 0:b4c1e32627f2 125 TouckKey_LCD_shield touch(NC, P5_7, I2C_SDA, I2C_SCL);
RyoheiHagimoto 0:b4c1e32627f2 126 #endif
RyoheiHagimoto 0:b4c1e32627f2 127
RyoheiHagimoto 0:b4c1e32627f2 128 /* The layer by which the touch panel location is drawn */
RyoheiHagimoto 0:b4c1e32627f2 129 memset(user_frame_buffer_touch, 0, sizeof(user_frame_buffer_touch));
RyoheiHagimoto 0:b4c1e32627f2 130 dcache_clean(user_frame_buffer_touch, sizeof(user_frame_buffer_touch));
RyoheiHagimoto 0:b4c1e32627f2 131 rect.vs = 0;
RyoheiHagimoto 0:b4c1e32627f2 132 rect.vw = LCD_PIXEL_HEIGHT;
RyoheiHagimoto 0:b4c1e32627f2 133 rect.hs = 0;
RyoheiHagimoto 0:b4c1e32627f2 134 rect.hw = LCD_PIXEL_WIDTH;
RyoheiHagimoto 0:b4c1e32627f2 135 Display.Graphics_Read_Setting(
RyoheiHagimoto 0:b4c1e32627f2 136 DisplayBase::GRAPHICS_LAYER_2,
RyoheiHagimoto 0:b4c1e32627f2 137 (void *)user_frame_buffer_touch,
RyoheiHagimoto 0:b4c1e32627f2 138 TOUCH_BUFFER_STRIDE,
RyoheiHagimoto 0:b4c1e32627f2 139 DisplayBase::GRAPHICS_FORMAT_ARGB4444,
RyoheiHagimoto 0:b4c1e32627f2 140 DisplayBase::WR_RD_WRSWA_32_16BIT,
RyoheiHagimoto 0:b4c1e32627f2 141 &rect
RyoheiHagimoto 0:b4c1e32627f2 142 );
RyoheiHagimoto 0:b4c1e32627f2 143 Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_2);
RyoheiHagimoto 0:b4c1e32627f2 144
RyoheiHagimoto 0:b4c1e32627f2 145 /* Callback setting */
RyoheiHagimoto 0:b4c1e32627f2 146 touch.SetCallback(&touch_int_callback);
RyoheiHagimoto 0:b4c1e32627f2 147
RyoheiHagimoto 0:b4c1e32627f2 148 /* Reset touch IC */
RyoheiHagimoto 0:b4c1e32627f2 149 touch.Reset();
RyoheiHagimoto 0:b4c1e32627f2 150
RyoheiHagimoto 0:b4c1e32627f2 151 while (1) {
RyoheiHagimoto 0:b4c1e32627f2 152 /* Wait touch event */
RyoheiHagimoto 0:b4c1e32627f2 153 sem_touch_int.wait();
RyoheiHagimoto 0:b4c1e32627f2 154
RyoheiHagimoto 0:b4c1e32627f2 155 /* Get touch coordinates */
RyoheiHagimoto 0:b4c1e32627f2 156 touch_num = touch.GetCoordinates(TOUCH_NUM, touch_pos);
RyoheiHagimoto 0:b4c1e32627f2 157
RyoheiHagimoto 0:b4c1e32627f2 158 /* When it's a new touch, touch frame buffer is initialized */
RyoheiHagimoto 0:b4c1e32627f2 159 if ((touch_num != 0) && (touch_num_last == 0)) {
RyoheiHagimoto 0:b4c1e32627f2 160 memset(user_frame_buffer_touch, 0, sizeof(user_frame_buffer_touch));
RyoheiHagimoto 0:b4c1e32627f2 161 }
RyoheiHagimoto 0:b4c1e32627f2 162 touch_num_last = touch_num;
RyoheiHagimoto 0:b4c1e32627f2 163
RyoheiHagimoto 0:b4c1e32627f2 164 /* Drawing of a touch coordinate */
RyoheiHagimoto 0:b4c1e32627f2 165 for (i = 0; i < TOUCH_NUM; i ++) {
RyoheiHagimoto 0:b4c1e32627f2 166 printf("{valid=%d,x=%lu,y=%lu} ", touch_pos[i].valid, touch_pos[i].x, touch_pos[i].y);
RyoheiHagimoto 0:b4c1e32627f2 167 if (touch_pos[i].valid) {
RyoheiHagimoto 0:b4c1e32627f2 168 draw_touch_pos(user_frame_buffer_touch, i, touch_pos[i].x, touch_pos[i].y);
RyoheiHagimoto 0:b4c1e32627f2 169 }
RyoheiHagimoto 0:b4c1e32627f2 170 }
RyoheiHagimoto 0:b4c1e32627f2 171 printf("\r\n");
RyoheiHagimoto 0:b4c1e32627f2 172
RyoheiHagimoto 0:b4c1e32627f2 173 /* Data cache clean */
RyoheiHagimoto 0:b4c1e32627f2 174 dcache_clean(user_frame_buffer_touch, sizeof(user_frame_buffer_touch));
RyoheiHagimoto 0:b4c1e32627f2 175 }
RyoheiHagimoto 0:b4c1e32627f2 176 }
RyoheiHagimoto 0:b4c1e32627f2 177 #endif // TouckKey_LCD_shield
RyoheiHagimoto 0:b4c1e32627f2 178
RyoheiHagimoto 0:b4c1e32627f2 179 static void Start_LCD_Display(void) {
RyoheiHagimoto 0:b4c1e32627f2 180 DisplayBase::rect_t rect;
RyoheiHagimoto 0:b4c1e32627f2 181
RyoheiHagimoto 0:b4c1e32627f2 182 // Initialize the background to black
RyoheiHagimoto 0:b4c1e32627f2 183 for (uint32_t i = 0; i < sizeof(user_frame_buffer0); i += 2) {
RyoheiHagimoto 0:b4c1e32627f2 184 user_frame_buffer0[i + 0] = 0x00;
RyoheiHagimoto 0:b4c1e32627f2 185 user_frame_buffer0[i + 1] = 0x80;
RyoheiHagimoto 0:b4c1e32627f2 186 }
RyoheiHagimoto 0:b4c1e32627f2 187 dcache_clean(user_frame_buffer0, sizeof(user_frame_buffer0));
RyoheiHagimoto 0:b4c1e32627f2 188
RyoheiHagimoto 0:b4c1e32627f2 189 rect.vs = 0;
RyoheiHagimoto 0:b4c1e32627f2 190 rect.vw = LCD_PIXEL_HEIGHT;
RyoheiHagimoto 0:b4c1e32627f2 191 rect.hs = 0;
RyoheiHagimoto 0:b4c1e32627f2 192 rect.hw = LCD_PIXEL_WIDTH;
RyoheiHagimoto 0:b4c1e32627f2 193 Display.Graphics_Read_Setting(
RyoheiHagimoto 0:b4c1e32627f2 194 DisplayBase::GRAPHICS_LAYER_0,
RyoheiHagimoto 0:b4c1e32627f2 195 (void *)user_frame_buffer0,
RyoheiHagimoto 0:b4c1e32627f2 196 FRAME_BUFFER_STRIDE,
RyoheiHagimoto 0:b4c1e32627f2 197 DisplayBase::GRAPHICS_FORMAT_YCBCR422,
RyoheiHagimoto 0:b4c1e32627f2 198 DisplayBase::WR_RD_WRSWA_32_16BIT,
RyoheiHagimoto 0:b4c1e32627f2 199 &rect
RyoheiHagimoto 0:b4c1e32627f2 200 );
RyoheiHagimoto 0:b4c1e32627f2 201 Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_0);
RyoheiHagimoto 0:b4c1e32627f2 202
RyoheiHagimoto 0:b4c1e32627f2 203 ThisThread::sleep_for(50);
RyoheiHagimoto 0:b4c1e32627f2 204 EasyAttach_LcdBacklight(true);
RyoheiHagimoto 0:b4c1e32627f2 205 }
RyoheiHagimoto 0:b4c1e32627f2 206
RyoheiHagimoto 0:b4c1e32627f2 207 int main() {
RyoheiHagimoto 0:b4c1e32627f2 208 FILE * fp;
RyoheiHagimoto 0:b4c1e32627f2 209 DIR * d;
RyoheiHagimoto 0:b4c1e32627f2 210 struct dirent * p;
RyoheiHagimoto 0:b4c1e32627f2 211 char file_path[sizeof("/" MOUNT_NAME "/") + FILE_NAME_LEN];
RyoheiHagimoto 0:b4c1e32627f2 212 SdUsbConnect storage(MOUNT_NAME);
RyoheiHagimoto 0:b4c1e32627f2 213 JPEG_Converter Jcu;
RyoheiHagimoto 0:b4c1e32627f2 214 long file_size;
RyoheiHagimoto 0:b4c1e32627f2 215
RyoheiHagimoto 0:b4c1e32627f2 216 EasyAttach_Init(Display);
RyoheiHagimoto 0:b4c1e32627f2 217 Start_LCD_Display();
RyoheiHagimoto 0:b4c1e32627f2 218
RyoheiHagimoto 0:b4c1e32627f2 219 /* Start touch panel processing */
RyoheiHagimoto 0:b4c1e32627f2 220 #if defined(TouckKey_LCD_shield)
RyoheiHagimoto 0:b4c1e32627f2 221 Thread touchTask;
RyoheiHagimoto 0:b4c1e32627f2 222 touchTask.start(callback(touch_task));
RyoheiHagimoto 0:b4c1e32627f2 223 #endif // TouckKey_LCD_shield
RyoheiHagimoto 0:b4c1e32627f2 224
RyoheiHagimoto 0:b4c1e32627f2 225 while (1) {
RyoheiHagimoto 0:b4c1e32627f2 226 // connect wait
RyoheiHagimoto 0:b4c1e32627f2 227 storage.wait_connect();
RyoheiHagimoto 0:b4c1e32627f2 228
RyoheiHagimoto 0:b4c1e32627f2 229 // file search
RyoheiHagimoto 0:b4c1e32627f2 230 d = opendir("/" MOUNT_NAME "/");
RyoheiHagimoto 0:b4c1e32627f2 231 if (d != NULL) {
RyoheiHagimoto 0:b4c1e32627f2 232 while ((p = readdir(d)) != NULL) {
RyoheiHagimoto 0:b4c1e32627f2 233 size_t len = strlen(p->d_name);
RyoheiHagimoto 0:b4c1e32627f2 234 if (len < FILE_NAME_LEN) {
RyoheiHagimoto 0:b4c1e32627f2 235 // make file path
RyoheiHagimoto 0:b4c1e32627f2 236 sprintf(file_path, "/%s/%s", MOUNT_NAME, p->d_name);
RyoheiHagimoto 0:b4c1e32627f2 237 printf("%s\r\n", file_path);
RyoheiHagimoto 0:b4c1e32627f2 238
RyoheiHagimoto 0:b4c1e32627f2 239 char *extension = strstr(file_path, ".");
RyoheiHagimoto 0:b4c1e32627f2 240 if ((extension != NULL) && (memcmp(extension, ".jpg", 4) == 0)) {
RyoheiHagimoto 0:b4c1e32627f2 241 fp = fopen(file_path, "rb");
RyoheiHagimoto 0:b4c1e32627f2 242 if (fp != NULL) {
RyoheiHagimoto 0:b4c1e32627f2 243 fseek(fp, 0, SEEK_END);
RyoheiHagimoto 0:b4c1e32627f2 244 file_size = ftell(fp);
RyoheiHagimoto 0:b4c1e32627f2 245 fseek(fp, 0, SEEK_SET);
RyoheiHagimoto 0:b4c1e32627f2 246 if (file_size <= (long)sizeof(JpegBuffer)) {
RyoheiHagimoto 0:b4c1e32627f2 247 JPEG_Converter::bitmap_buff_info_t bitmap_buff_info;
RyoheiHagimoto 0:b4c1e32627f2 248 JPEG_Converter::decode_options_t decode_options;
RyoheiHagimoto 0:b4c1e32627f2 249
RyoheiHagimoto 0:b4c1e32627f2 250 bitmap_buff_info.width = LCD_PIXEL_WIDTH;
RyoheiHagimoto 0:b4c1e32627f2 251 bitmap_buff_info.height = LCD_PIXEL_HEIGHT;
RyoheiHagimoto 0:b4c1e32627f2 252 bitmap_buff_info.format = JPEG_Converter::WR_RD_YCbCr422;
RyoheiHagimoto 0:b4c1e32627f2 253 bitmap_buff_info.buffer_address = (void *)user_frame_buffer0;
RyoheiHagimoto 0:b4c1e32627f2 254
RyoheiHagimoto 0:b4c1e32627f2 255 decode_options.output_swapsetting = JPEG_Converter::WR_RD_WRSWA_32_16_8BIT;
RyoheiHagimoto 0:b4c1e32627f2 256
RyoheiHagimoto 0:b4c1e32627f2 257 setvbuf(fp, NULL, _IONBF, 0); // unbuffered
RyoheiHagimoto 0:b4c1e32627f2 258 fread(JpegBuffer, sizeof(char), file_size, fp);
RyoheiHagimoto 0:b4c1e32627f2 259 dcache_clean(JpegBuffer, file_size);
RyoheiHagimoto 0:b4c1e32627f2 260
RyoheiHagimoto 0:b4c1e32627f2 261 if (Jcu.decode((void *)JpegBuffer, &bitmap_buff_info, &decode_options) == JPEG_Converter::JPEG_CONV_OK) {
RyoheiHagimoto 0:b4c1e32627f2 262 printf("Decode ok.\r\n");
RyoheiHagimoto 0:b4c1e32627f2 263 } else {
RyoheiHagimoto 0:b4c1e32627f2 264 printf("Decode error.\r\n");
RyoheiHagimoto 0:b4c1e32627f2 265 }
RyoheiHagimoto 0:b4c1e32627f2 266 } else {
RyoheiHagimoto 0:b4c1e32627f2 267 printf("File size over.\r\n");
RyoheiHagimoto 0:b4c1e32627f2 268 }
RyoheiHagimoto 0:b4c1e32627f2 269 fclose(fp);
RyoheiHagimoto 0:b4c1e32627f2 270
RyoheiHagimoto 0:b4c1e32627f2 271 ThisThread::sleep_for(5000);
RyoheiHagimoto 0:b4c1e32627f2 272 } else {
RyoheiHagimoto 0:b4c1e32627f2 273 printf("File open error.\r\n");
RyoheiHagimoto 0:b4c1e32627f2 274 }
RyoheiHagimoto 0:b4c1e32627f2 275 } else {
RyoheiHagimoto 0:b4c1e32627f2 276 printf("File skip.\r\n");
RyoheiHagimoto 0:b4c1e32627f2 277 }
RyoheiHagimoto 0:b4c1e32627f2 278 }
RyoheiHagimoto 0:b4c1e32627f2 279 }
RyoheiHagimoto 0:b4c1e32627f2 280 closedir(d);
RyoheiHagimoto 0:b4c1e32627f2 281 }
RyoheiHagimoto 0:b4c1e32627f2 282 }
RyoheiHagimoto 0:b4c1e32627f2 283 }
RyoheiHagimoto 0:b4c1e32627f2 284
RyoheiHagimoto 0:b4c1e32627f2 285 #endif