main.cpp

00001 /*
00002 Permission is hereby granted, free of charge, to any person obtaining a copy
00003 of this software and associated documentation files (the "Software"), to deal
00004 in the Software without restriction, including without limitation the rights
00005 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00006 copies of the Software, and to permit persons to whom the Software is
00007 furnished to do so, subject to the following conditions:
00008  
00009 The above copyright notice and this permission notice shall be included in
00010 all copies or substantial portions of the Software.
00011  
00012 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00013 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00014 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00015 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00016 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00018 THE SOFTWARE.
00019 */
00020 
00021 #include "mbed.h"
00022 #include "rga_func.h"
00023 #include "DisplayBace.h"
00024 #include "rtos.h"
00025 #include "LCD_shield_config_4_3inch.h"
00026 
00027 #define GRAPHICS_FORMAT                     (DisplayBase::GRAPHICS_FORMAT_RGB565)
00028 #define WR_RD_WRSWA                         (DisplayBase::WR_RD_WRSWA_32_16BIT)
00029 #define TOUCH_NUM                           (1u)
00030 
00031 /* FRAME BUFFER Parameter */
00032 #define FRAME_BUFFER_BYTE_PER_PIXEL         (2)
00033 #define FRAME_BUFFER_STRIDE                 (((LCD_PIXEL_WIDTH * FRAME_BUFFER_BYTE_PER_PIXEL) + 31u) & ~31u)
00034 
00035 #define DRAW_RECTANGLE_CNT_MAX              (4)
00036 
00037 typedef enum {
00038     RGA_FUNC_NON,
00039     RGA_FUNC_DRAW_RECTANGLE,
00040     RGA_FUNC_DRAW_IMAGE,
00041     RGA_FUNC_DISSOLVE,
00042     RGA_FUNC_SCROLL,
00043     RGA_FUNC_ZOOM,
00044     RGA_FUNC_ROTATION,
00045     RGA_FUNC_ACCELERATE,
00046     RGA_FUNC_ANIME_EASE,
00047     RGA_FUNC_ANIME_LINEAR,
00048     RGA_FUNC_ANIME_EASE_IN,
00049     RGA_FUNC_ANIME_EASE_OUT,
00050     RGA_FUNC_ANIME_EASE_IN_OUT,
00051     RGA_FUNC_RETURN,
00052     RGA_FUNC_END
00053 } func_code_t;
00054 
00055 DigitalOut  lcd_pwon(P7_15);
00056 DigitalOut  lcd_blon(P8_1);
00057 PwmOut      lcd_cntrst(P8_15);
00058 DisplayBase Display;
00059 
00060 typedef struct {
00061     uint32_t pic_pos_x;             /* X position of the key picture. */
00062     uint32_t pic_pos_y;             /* Y position of the key picture. */
00063     uint32_t pic_width;             /* Width of the key picture. */
00064     uint32_t pic_height;            /* Height of the key picture. */
00065     func_code_t func_code;          /* func code of the key picture. */
00066 } key_pic_info_t;
00067 
00068 #if defined(__ICCARM__)
00069 #pragma data_alignment=32
00070 static uint8_t user_frame_buffer1[FRAME_BUFFER_STRIDE * LCD_PIXEL_HEIGHT];
00071 #pragma data_alignment=32
00072 static uint8_t user_frame_buffer2[FRAME_BUFFER_STRIDE * LCD_PIXEL_HEIGHT];
00073 #else
00074 static uint8_t user_frame_buffer1[FRAME_BUFFER_STRIDE * LCD_PIXEL_HEIGHT]__attribute((aligned(32))); /* 32 bytes aligned */
00075 static uint8_t user_frame_buffer2[FRAME_BUFFER_STRIDE * LCD_PIXEL_HEIGHT]__attribute((aligned(32))); /* 32 bytes aligned */
00076 #endif
00077 static frame_buffer_t frame_buffer_info;
00078 static volatile int32_t vsync_count = 0;
00079 
00080 static const key_pic_info_t top_screen_key_tbl[] = {
00081     /*   X       Y     Width   Height   Func code                 */
00082     {    30,    194,     72,     31,    RGA_FUNC_DRAW_RECTANGLE    },  /* RGA Func1 */
00083     {   138,    194,     72,     31,    RGA_FUNC_DRAW_IMAGE        },  /* RGA Func2 */
00084     {   246,    194,     72,     31,    RGA_FUNC_DISSOLVE          },  /* RGA Func3 */
00085     {    30,    236,     72,     31,    RGA_FUNC_SCROLL            },  /* RGA Func4 */
00086     {   138,    236,     72,     31,    RGA_FUNC_ZOOM              },  /* RGA Func5 */
00087     {   246,    236,     72,     31,    RGA_FUNC_ROTATION          },  /* RGA Func6 */
00088     {   369,    236,     72,     31,    RGA_FUNC_ACCELERATE        },  /* RGA Func7 */
00089     {     0,      0,      0,      0,    RGA_FUNC_END               }   /* table end */
00090 };
00091 
00092 static const key_pic_info_t return_key_tbl[] = {
00093     /*   X       Y     Width   Height   Func code                 */
00094     {   384,      6,     90,     50,    RGA_FUNC_RETURN            },  /* Return Top Screen */
00095     {     0,      0,      0,      0,    RGA_FUNC_END               }   /* table end */
00096 };
00097 
00098 static const key_pic_info_t animetion_timing_key_tbl[] = {
00099     /*   X       Y     Width   Height   Func code                 */
00100     {   384,      6,     90,     50,    RGA_FUNC_RETURN            },  /* Return Top Screen */
00101     {    10,    207,     81,     30,    RGA_FUNC_ANIME_EASE        },  /* ease */
00102     {   103,    207,     81,     30,    RGA_FUNC_ANIME_LINEAR      },  /* linear */
00103     {   198,    207,     81,     30,    RGA_FUNC_ANIME_EASE_IN     },  /* ease-in */
00104     {   292,    207,     81,     30,    RGA_FUNC_ANIME_EASE_OUT    },  /* ease-out */
00105     {   386,    207,     81,     30,    RGA_FUNC_ANIME_EASE_IN_OUT },  /* ease-in-out */
00106     {     0,      0,      0,      0,    RGA_FUNC_END               }   /* table end */
00107 };
00108 
00109 /****** LCD ******/
00110 static void IntCallbackFunc_LoVsync(DisplayBase::int_type_t int_type) {
00111     /* Interrupt callback function for Vsync interruption */
00112     if (vsync_count > 0) {
00113         vsync_count--;
00114     }
00115 }
00116 
00117 static void Wait_Vsync(const int32_t wait_count) {
00118     /* Wait for the specified number of times Vsync occurs */
00119     vsync_count = wait_count;
00120     while (vsync_count > 0) {
00121         /* Do nothing */
00122     }
00123 }
00124 
00125 static void Init_LCD_Display(void) {
00126     DisplayBase::graphics_error_t error;
00127     DisplayBase::lcd_config_t lcd_config;
00128     PinName lvds_pin[8] = {
00129         /* data pin */
00130         P5_7, P5_6, P5_5, P5_4, P5_3, P5_2, P5_1, P5_0
00131     };
00132 
00133     lcd_pwon = 0;
00134     lcd_blon = 0;
00135     Thread::wait(100);
00136     lcd_pwon = 1;
00137     lcd_blon = 1;
00138 
00139     Display.Graphics_Lvds_Port_Init(lvds_pin, 8);
00140 
00141     /* Graphics initialization process */
00142     lcd_config = LcdCfgTbl_LCD_shield;
00143     error = Display.Graphics_init(&lcd_config);
00144     if (error != DisplayBase::GRAPHICS_OK) {
00145         printf("Line %d, error %d\n", __LINE__, error);
00146         mbed_die();
00147     }
00148 
00149     /* Interrupt callback function setting (Vsync signal output from scaler 0) */
00150     error = Display.Graphics_Irq_Handler_Set(DisplayBase::INT_TYPE_S0_LO_VSYNC, 0, IntCallbackFunc_LoVsync);
00151     if (error != DisplayBase::GRAPHICS_OK) {
00152         printf("Line %d, error %d\n", __LINE__, error);
00153         mbed_die();
00154     }
00155 }
00156 
00157 static void Start_LCD_Display(uint8_t * p_buf) {
00158     DisplayBase::rect_t rect;
00159 
00160     rect.vs = 0;
00161     rect.vw = LCD_PIXEL_HEIGHT;
00162     rect.hs = 0;
00163     rect.hw = LCD_PIXEL_WIDTH;
00164     Display.Graphics_Read_Setting(
00165         DisplayBase::GRAPHICS_LAYER_0,
00166         (void *)p_buf,
00167         FRAME_BUFFER_STRIDE,
00168         GRAPHICS_FORMAT,
00169         WR_RD_WRSWA,
00170         &rect
00171     );
00172     Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_0);
00173 }
00174 
00175 static void Update_LCD_Display(frame_buffer_t * frmbuf_info) {
00176     Display.Graphics_Read_Change(DisplayBase::GRAPHICS_LAYER_0,
00177      (void *)frmbuf_info->buffer_address[frmbuf_info->draw_buffer_index]);
00178     Wait_Vsync(1);
00179 }
00180 
00181 static void Swap_FrameBuffer(frame_buffer_t * frmbuf_info) {
00182     if (frmbuf_info->draw_buffer_index == 1) {
00183         frmbuf_info->draw_buffer_index = 0;
00184     } else {
00185         frmbuf_info->draw_buffer_index = 1;
00186     }
00187 }
00188 
00189 /****** Touch ******/
00190 static func_code_t Scan_Key(const key_pic_info_t * key_tbl, const uint32_t pos_x, const uint32_t pos_y) {
00191     func_code_t ret = RGA_FUNC_NON;
00192 
00193     while (ret == RGA_FUNC_NON) {
00194         if (key_tbl->func_code == RGA_FUNC_END) {
00195             break;
00196         }
00197         /* Check the range of the X position */
00198         if ((pos_x >= key_tbl->pic_pos_x) && (pos_x <= (key_tbl->pic_pos_x + key_tbl->pic_width))) {
00199             /* Check the range of the Y position */
00200             if ((pos_y >= key_tbl->pic_pos_y) && (pos_y <= (key_tbl->pic_pos_y + key_tbl->pic_height))) {
00201                 /* Decide the func code. */
00202                 ret = key_tbl->func_code;
00203             }
00204         }
00205         key_tbl++;
00206     }
00207 
00208     return ret;
00209 }
00210 
00211 /****** Efect ******/
00212 static void Exe_RGA_Func(func_code_t func_name, frame_buffer_t* frmbuf_info, TouckKey_LCD_shield * p_touch) {
00213     uint8_t touch_num = 0;
00214     TouchKey::touch_pos_t touch_pos[TOUCH_NUM];
00215 
00216     switch (func_name) {
00217         case RGA_FUNC_DRAW_RECTANGLE:
00218         {
00219             bool key_on = false;
00220             int cnt;
00221             int color_cnt = 0;
00222             int x_0 = 0;
00223             int y_0 = 0;
00224             draw_rectangle_pos_t pos_tbl[DRAW_RECTANGLE_CNT_MAX] = {0};
00225 
00226             pos_tbl[0].style = "#FF0000";  /* red */
00227             pos_tbl[1].style = "#00FF00";  /* green */
00228             pos_tbl[2].style = "#0000FF";  /* blue */
00229             pos_tbl[3].style = "#000000";  /* black */
00230 
00231             while (1) {
00232                 /* Get coordinates */
00233                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00234                 if (touch_num != 0) {
00235                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00236                         break;
00237                     }
00238                     if (key_on == false) {
00239                         key_on = true;
00240                         if (color_cnt == 0) {
00241                             for (cnt = 0; cnt < DRAW_RECTANGLE_CNT_MAX; cnt++) {
00242                                 pos_tbl[cnt].x = 0;
00243                                 pos_tbl[cnt].y = 0;
00244                                 pos_tbl[cnt].w = 0;
00245                                 pos_tbl[cnt].h = 0;
00246                             }
00247                         }
00248                         x_0 = touch_pos[0].x;
00249                         y_0 = touch_pos[0].y;
00250                     }
00251                     if (x_0 < touch_pos[0].x) {
00252                         pos_tbl[color_cnt].x = x_0;
00253                         pos_tbl[color_cnt].w = touch_pos[0].x - x_0;
00254                     } else {
00255                         pos_tbl[color_cnt].x = touch_pos[0].x;
00256                         pos_tbl[color_cnt].w = x_0 - touch_pos[0].x;
00257                     }
00258                     if (y_0 < touch_pos[0].y) {
00259                         pos_tbl[color_cnt].y = y_0;
00260                         pos_tbl[color_cnt].h = touch_pos[0].y - y_0;
00261                     } else {
00262                         pos_tbl[color_cnt].y = touch_pos[0].y;
00263                         pos_tbl[color_cnt].h = y_0 - touch_pos[0].y;
00264                     }
00265                 } else {
00266                     if (key_on != false) {
00267                         color_cnt++;
00268                         if (color_cnt == DRAW_RECTANGLE_CNT_MAX) {
00269                             color_cnt = 0;
00270                         }
00271                     }
00272                     key_on = false;
00273                 }
00274                 /* Draw screen */
00275                 Swap_FrameBuffer(frmbuf_info);
00276                 RGA_Func_DrawRectangle(frmbuf_info, pos_tbl, DRAW_RECTANGLE_CNT_MAX);
00277                 Update_LCD_Display(frmbuf_info);
00278             }
00279         }
00280         break;
00281         case RGA_FUNC_DRAW_IMAGE:
00282         {
00283             int center_pos_x = 320;
00284             int center_pos_y = 110;
00285             while (1) {
00286                 /* Get coordinates */
00287                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00288                 if (touch_num != 0) {
00289                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00290                         break;
00291                     }
00292                     center_pos_x = touch_pos[0].x;
00293                     center_pos_y = touch_pos[0].y;
00294                 }
00295                 /* Draw screen */
00296                 Swap_FrameBuffer(frmbuf_info);
00297                 RGA_Func_DrawImage(frmbuf_info, center_pos_x, center_pos_y);
00298                 Update_LCD_Display(frmbuf_info);
00299             }
00300         }
00301         break;
00302         case RGA_FUNC_DISSOLVE:
00303         {
00304             float32_t work_alpha = 0.0f;
00305             while (1) {
00306                 /* Get coordinates */
00307                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00308                 if (touch_num != 0) {
00309                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00310                         break;
00311                     }
00312                     work_alpha = (float32_t)touch_pos[0].x / (float32_t)(LCD_PIXEL_WIDTH);
00313                 }
00314                 /* Draw screen */
00315                 Swap_FrameBuffer(frmbuf_info);
00316                 RGA_Func_Dissolve(frmbuf_info, work_alpha);
00317                 Update_LCD_Display(frmbuf_info);
00318             }
00319         }
00320         break;
00321         case RGA_FUNC_SCROLL:
00322         {
00323             int work_width_pos = 0;
00324             while (1) {
00325                 /* Get coordinates */
00326                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00327                 if (touch_num != 0) {
00328                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00329                         break;
00330                     }
00331                     work_width_pos = SCROLL_MAX_NUM * ((float32_t)touch_pos[0].x / (float32_t)(LCD_PIXEL_WIDTH));
00332                 }
00333                 /* Draw screen */
00334                 Swap_FrameBuffer(frmbuf_info);
00335                 RGA_Func_Scroll(frmbuf_info, work_width_pos);
00336                 Update_LCD_Display(frmbuf_info);
00337             }
00338         }
00339         break;
00340         case RGA_FUNC_ZOOM:
00341         {
00342             int work_height_pos = ZOOM_MAX_NUM;
00343             while (1) {
00344                 /* Get coordinates */
00345                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00346                 if (touch_num != 0) {
00347                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00348                         break;
00349                     }
00350                     work_height_pos = ZOOM_MAX_NUM * ((float32_t)touch_pos[0].x / (float32_t)(LCD_PIXEL_WIDTH));
00351                 }
00352                 /* Draw screen */
00353                 Swap_FrameBuffer(frmbuf_info);
00354                 RGA_Func_Zoom(frmbuf_info,  work_height_pos);
00355                 Update_LCD_Display(frmbuf_info);
00356             }
00357         }
00358         break;
00359         case RGA_FUNC_ROTATION:
00360         {
00361             graphics_matrix_float_t work_angle = 0;
00362             while (1) {
00363                 /* Get coordinates */
00364                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00365                 if (touch_num != 0) {
00366                     if (Scan_Key(return_key_tbl, touch_pos[0].x, touch_pos[0].y) == RGA_FUNC_RETURN) {
00367                         break;
00368                     }
00369                     work_angle = ROTATION_MAX_NUM * ((float32_t)touch_pos[0].x / (float32_t)(LCD_PIXEL_WIDTH));
00370                 }
00371                 /* Draw screen */
00372                 Swap_FrameBuffer(frmbuf_info);
00373                 RGA_Func_Rotation(frmbuf_info, work_angle);
00374                 Update_LCD_Display(frmbuf_info);
00375             }
00376         }
00377         break;
00378         case RGA_FUNC_ACCELERATE:
00379         {
00380             int acce_frame_num = 0;
00381             int animation_timing = 0;
00382             float32_t work_relative_pos;
00383             while (1) {
00384                 /* Get coordinates */
00385                 touch_num = p_touch->GetCoordinates(TOUCH_NUM, touch_pos);
00386                 if (touch_num != 0) {
00387                     func_code_t func_code;
00388 
00389                     func_code = Scan_Key(animetion_timing_key_tbl, touch_pos[0].x, touch_pos[0].y);
00390                     if (func_code == RGA_FUNC_RETURN) {
00391                         break;
00392                     }
00393                     switch (func_code) {
00394                         case RGA_FUNC_ANIME_EASE:
00395                             animation_timing = 0;
00396                             acce_frame_num = 0;
00397                             break;
00398                         case RGA_FUNC_ANIME_LINEAR:
00399                             animation_timing = 1;
00400                             acce_frame_num = 0;
00401                             break;
00402                         case RGA_FUNC_ANIME_EASE_IN:
00403                             animation_timing = 2;
00404                             acce_frame_num = 0;
00405                             break;
00406                         case RGA_FUNC_ANIME_EASE_OUT:
00407                             animation_timing = 3;
00408                             acce_frame_num = 0;
00409                             break;
00410                         case RGA_FUNC_ANIME_EASE_IN_OUT:
00411                             animation_timing = 4;
00412                             acce_frame_num = 0;
00413                             break;
00414                         default:
00415                             /* Do Nothing */
00416                             break;
00417                     }
00418                 }
00419                 work_relative_pos = acce_frame_num / (float32_t)ACCELERATE_MAX_NUM;
00420                 acce_frame_num++;
00421                 if (acce_frame_num > ACCELERATE_MAX_NUM) {
00422                     acce_frame_num = 0;
00423                 }
00424                 /* Draw screen */
00425                 Swap_FrameBuffer(frmbuf_info);
00426                 RGA_Func_Accelerate(frmbuf_info, animation_timing, work_relative_pos);
00427                 Update_LCD_Display(frmbuf_info);
00428             }
00429         }
00430         break;
00431         default :
00432             /* Do nothing */
00433             break;
00434     }
00435 }
00436 
00437 int main(void) {
00438     func_code_t func_code;
00439     uint8_t touch_num = 0;
00440     TouchKey::touch_pos_t touch_pos[TOUCH_NUM];
00441 
00442     /* Initialization of LCD */
00443     Init_LCD_Display();    /* When using LCD, please call before than Init_Video(). */
00444 
00445     memset(user_frame_buffer1, 0, sizeof(user_frame_buffer1));
00446     memset(user_frame_buffer2, 0, sizeof(user_frame_buffer2));
00447     frame_buffer_info.buffer_address[0] = user_frame_buffer1;
00448     frame_buffer_info.buffer_address[1] = user_frame_buffer2;
00449     frame_buffer_info.buffer_count      = 2;
00450     frame_buffer_info.show_buffer_index = 0;
00451     frame_buffer_info.draw_buffer_index = 0;
00452     frame_buffer_info.width             = LCD_PIXEL_WIDTH;
00453     frame_buffer_info.byte_per_pixel    = FRAME_BUFFER_BYTE_PER_PIXEL;
00454     frame_buffer_info.stride            = LCD_PIXEL_WIDTH * FRAME_BUFFER_BYTE_PER_PIXEL;
00455     frame_buffer_info.height            = LCD_PIXEL_HEIGHT;
00456     frame_buffer_info.pixel_format      = PIXEL_FORMAT_RGB565;
00457 
00458     /* Display Top Screen */
00459     Set_RGAObject(&frame_buffer_info);
00460     RGA_Func_DrawTopScreen(&frame_buffer_info);
00461 
00462     /* Start of LCD */
00463     Start_LCD_Display(frame_buffer_info.buffer_address[0]);
00464 
00465     /* Backlight on */
00466     Thread::wait(200);
00467     lcd_cntrst.write(1.0);
00468 
00469     /* Reset touch IC */
00470     TouckKey_LCD_shield touch(P4_0, P2_13, I2C_SDA, I2C_SCL);
00471     touch.Reset();
00472 
00473     while (1) {
00474         /* Get Coordinates */
00475         touch_num = touch.GetCoordinates(TOUCH_NUM, touch_pos);
00476         if (touch_num != 0) {
00477             func_code = Scan_Key(top_screen_key_tbl, touch_pos[0].x, touch_pos[0].y);
00478             if (func_code != RGA_FUNC_NON) {
00479                 /* Wait key off */
00480                 while (1) {
00481                     touch_num = touch.GetCoordinates(TOUCH_NUM, touch_pos);
00482                     if (touch_num == 0) {
00483                         break;
00484                     }
00485                     Thread::wait(20);
00486                 }
00487 
00488                 /* Execute RGA functions */
00489                 Exe_RGA_Func(func_code, &frame_buffer_info, &touch);
00490 
00491                 /* Return Top Screen */
00492                 Swap_FrameBuffer(&frame_buffer_info);
00493                 RGA_Func_DrawTopScreen(&frame_buffer_info);
00494                 Update_LCD_Display(&frame_buffer_info);
00495             }
00496         }
00497         Thread::wait(20);
00498     }
00499 }