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DisplayApp
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DisplayApp.cpp
00001 00002 #include "mbed.h" 00003 #include "DisplayApp.h" 00004 00005 void DisplayApp::display_app_process() { 00006 int data; 00007 int pos_x_wk; 00008 int pos_wk; 00009 00010 while (!PcApp.configured()) { 00011 Thread::wait(100); 00012 } 00013 00014 while (1) { 00015 if (PcApp.readable()) { 00016 data = PcApp.getc(); 00017 if (data == '{') { 00018 pos_seq = POS_SEQ_START; 00019 } else if (data == 'X') { 00020 if (pos_seq == POS_SEQ_START) { 00021 pos_seq = POS_SEQ_X; 00022 } else { 00023 pos_seq = POS_SEQ_INIT; 00024 } 00025 } else if (data == 'Y') { 00026 if (pos_seq == POS_SEQ_C) { 00027 pos_seq = POS_SEQ_Y; 00028 } else { 00029 pos_seq = POS_SEQ_INIT; 00030 } 00031 } else if (data == '=') { 00032 if (pos_seq == POS_SEQ_X) { 00033 pos_seq = POS_SEQ_X_POS; 00034 pos_wk = 0; 00035 } else if (pos_seq == POS_SEQ_Y) { 00036 pos_seq = POS_SEQ_Y_POS; 00037 pos_wk = 0; 00038 } else { 00039 pos_seq = POS_SEQ_INIT; 00040 } 00041 } else if (data == '-') { 00042 if (pos_seq == POS_SEQ_X_POS) { 00043 pos_seq = POS_SEQ_X_M; 00044 } else if (pos_seq == POS_SEQ_Y_POS) { 00045 pos_seq = POS_SEQ_Y_M; 00046 } else { 00047 pos_seq = POS_SEQ_INIT; 00048 } 00049 } else if ((data >= '0') && (data <= '9')) { 00050 if ((pos_seq == POS_SEQ_X_POS) || (pos_seq == POS_SEQ_Y_POS)) { 00051 pos_wk = (pos_wk * 10) + (data - '0'); 00052 } else if ((pos_seq == POS_SEQ_X_M) && (data == '1')) { 00053 pos_wk = -1; 00054 } else if ((pos_seq == POS_SEQ_Y_M) && (data == '1')) { 00055 pos_wk = -1; 00056 } else { 00057 pos_seq = POS_SEQ_INIT; 00058 } 00059 } else if (data == ',') { 00060 if ((pos_seq == POS_SEQ_X_POS) || (pos_seq == POS_SEQ_X_M)) { 00061 pos_x_wk = pos_wk; 00062 pos_seq = POS_SEQ_C; 00063 } else { 00064 pos_seq = POS_SEQ_INIT; 00065 } 00066 } else if (data == '}') { 00067 if ((pos_seq == POS_SEQ_Y_POS) || (pos_seq == POS_SEQ_Y_M)) { 00068 pos_seq = POS_SEQ_END; 00069 if ((pos_x != pos_x_wk) || (pos_y != pos_wk)) { 00070 pos_x = pos_x_wk; 00071 pos_y = pos_wk; 00072 if (event) { 00073 event.call(); 00074 } 00075 } 00076 } else { 00077 pos_seq = POS_SEQ_INIT; 00078 } 00079 } else { 00080 pos_seq = POS_SEQ_INIT; 00081 } 00082 } else { 00083 Thread::wait(10); 00084 } 00085 } 00086 } 00087 00088 DisplayApp::DisplayApp(osPriority tsk_pri, uint32_t stack_size) : 00089 PcApp(0x1f00, 0x2012, 0x0001, false), displayThread(tsk_pri, stack_size) { 00090 displayThread.start(callback(this, &DisplayApp::display_app_process)); 00091 } 00092 00093 void DisplayApp::SendHeader(uint32_t size) { 00094 uint8_t headder_data[12] = {0xFF,0xFF,0xAA,0x55,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; 00095 00096 headder_data[8] = (uint8_t)((uint32_t)size >> 0); 00097 headder_data[9] = (uint8_t)((uint32_t)size >> 8); 00098 headder_data[10] = (uint8_t)((uint32_t)size >> 16); 00099 headder_data[11] = (uint8_t)((uint32_t)size >> 24); 00100 PcApp.writeBlock((uint8_t *)headder_data, sizeof(headder_data)); 00101 } 00102 00103 void DisplayApp::SendData(uint8_t * buf, uint32_t size) { 00104 int send_size; 00105 int send_index = 0; 00106 00107 while (size > 0) { 00108 if (size > MAX_PACKET_SIZE_EPBULK) { 00109 send_size = MAX_PACKET_SIZE_EPBULK; 00110 } else { 00111 send_size = size; 00112 } 00113 PcApp.writeBlock(&buf[send_index], send_size); 00114 send_index += send_size; 00115 size -= send_size; 00116 } 00117 } 00118 00119 int DisplayApp::SendRgb888(uint8_t * buf, uint32_t pic_width, uint32_t pic_height) { 00120 uint32_t offset_size = 54; 00121 uint32_t buf_stride = (((pic_width * 4u) + 31u) & ~31u); 00122 uint32_t pic_size = buf_stride * pic_height; 00123 uint32_t total_size = pic_size + offset_size; 00124 uint8_t wk_bitmap_buf[54]; 00125 int wk_idx = 0; 00126 00127 if (!PcApp.configured()) { 00128 return 0; 00129 } 00130 if (PcApp._putc(0) == 0) { // terminal connect check 00131 return 0; 00132 } 00133 SendHeader(total_size); 00134 00135 /* BITMAPFILEHEADER */ 00136 wk_bitmap_buf[wk_idx++] = 'B'; 00137 wk_bitmap_buf[wk_idx++] = 'M'; 00138 wk_bitmap_buf[wk_idx++] = (uint8_t)(total_size >> 0); /* bfSize */ 00139 wk_bitmap_buf[wk_idx++] = (uint8_t)(total_size >> 8); /* bfSize */ 00140 wk_bitmap_buf[wk_idx++] = (uint8_t)(total_size >> 16); /* bfSize */ 00141 wk_bitmap_buf[wk_idx++] = (uint8_t)(total_size >> 24); /* bfSize */ 00142 wk_bitmap_buf[wk_idx++] = 0; /* bfReserved1 */ 00143 wk_bitmap_buf[wk_idx++] = 0; /* bfReserved1 */ 00144 wk_bitmap_buf[wk_idx++] = 0; /* bfReserved2 */ 00145 wk_bitmap_buf[wk_idx++] = 0; /* bfReserved2 */ 00146 wk_bitmap_buf[wk_idx++] = (uint8_t)(offset_size >> 0); /* bfOffBits */ 00147 wk_bitmap_buf[wk_idx++] = (uint8_t)(offset_size >> 8); /* bfOffBits */ 00148 wk_bitmap_buf[wk_idx++] = (uint8_t)(offset_size >> 16); /* bfOffBits */ 00149 wk_bitmap_buf[wk_idx++] = (uint8_t)(offset_size >> 24); /* bfOffBits */ 00150 00151 /* BITMAPINFOHEADER */ 00152 wk_bitmap_buf[wk_idx++] = 40; /* biSize */ 00153 wk_bitmap_buf[wk_idx++] = 0; /* biSize */ 00154 wk_bitmap_buf[wk_idx++] = 0; /* biSize */ 00155 wk_bitmap_buf[wk_idx++] = 0; /* biSize */ 00156 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_width >> 0); /* biWidth */ 00157 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_width >> 8); /* biWidth */ 00158 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_width >> 16); /* biWidth */ 00159 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_width >> 24); /* biWidth */ 00160 wk_bitmap_buf[wk_idx++] = (uint8_t)((-(long)pic_height) >> 0); /* biHeight */ 00161 wk_bitmap_buf[wk_idx++] = (uint8_t)((-(long)pic_height) >> 8); /* biHeight */ 00162 wk_bitmap_buf[wk_idx++] = (uint8_t)((-(long)pic_height) >> 16); /* biHeight */ 00163 wk_bitmap_buf[wk_idx++] = (uint8_t)((-(long)pic_height) >> 24); /* biHeight */ 00164 wk_bitmap_buf[wk_idx++] = 1; /* biPlanes */ 00165 wk_bitmap_buf[wk_idx++] = 0; /* biPlanes */ 00166 wk_bitmap_buf[wk_idx++] = 32; /* biBitCount */ 00167 wk_bitmap_buf[wk_idx++] = 0; /* biBitCount */ 00168 00169 wk_bitmap_buf[wk_idx++] = 0; /* biCopmression */ 00170 wk_bitmap_buf[wk_idx++] = 0; /* biCopmression */ 00171 wk_bitmap_buf[wk_idx++] = 0; /* biCopmression */ 00172 wk_bitmap_buf[wk_idx++] = 0; /* biCopmression */ 00173 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_size >> 0); /* biSizeImage */ 00174 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_size >> 8); /* biSizeImage */ 00175 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_size >> 16); /* biSizeImage */ 00176 wk_bitmap_buf[wk_idx++] = (uint8_t)(pic_size >> 24); /* biSizeImage */ 00177 wk_bitmap_buf[wk_idx++] = 0; /* biXPixPerMeter */ 00178 wk_bitmap_buf[wk_idx++] = 0; /* biXPixPerMeter */ 00179 wk_bitmap_buf[wk_idx++] = 0; /* biXPixPerMeter */ 00180 wk_bitmap_buf[wk_idx++] = 0; /* biXPixPerMeter */ 00181 wk_bitmap_buf[wk_idx++] = 0; /* biYPixPerMeter */ 00182 wk_bitmap_buf[wk_idx++] = 0; /* biYPixPerMeter */ 00183 wk_bitmap_buf[wk_idx++] = 0; /* biYPixPerMeter */ 00184 wk_bitmap_buf[wk_idx++] = 0; /* biYPixPerMeter */ 00185 00186 wk_bitmap_buf[wk_idx++] = 0; /* biClrUsed */ 00187 wk_bitmap_buf[wk_idx++] = 0; /* biClrUsed */ 00188 wk_bitmap_buf[wk_idx++] = 0; /* biClrUsed */ 00189 wk_bitmap_buf[wk_idx++] = 0; /* biClrUsed */ 00190 wk_bitmap_buf[wk_idx++] = 0; /* biCirImportant */ 00191 wk_bitmap_buf[wk_idx++] = 0; /* biCirImportant */ 00192 wk_bitmap_buf[wk_idx++] = 0; /* biCirImportant */ 00193 wk_bitmap_buf[wk_idx++] = 0; /* biCirImportant */ 00194 PcApp.writeBlock(wk_bitmap_buf, wk_idx); 00195 00196 SendData(buf, pic_size); 00197 wk_idx += pic_size; 00198 00199 return wk_idx; 00200 }; 00201 00202 void DisplayApp::SetCallback(Callback<void()> func) { 00203 event = func; 00204 } 00205 00206 int DisplayApp::SendJpeg(uint8_t * buf, uint32_t size) { 00207 if (!PcApp.configured()) { 00208 return 0; 00209 } 00210 if (PcApp._putc(0) == 0) { // terminal connect check 00211 return 0; 00212 } 00213 00214 SendHeader(size); 00215 SendData(buf, size); 00216 00217 return size; 00218 } 00219 00220 int DisplayApp::GetMaxTouchNum(void) { 00221 return 1; 00222 } 00223 00224 int DisplayApp::GetCoordinates(int touch_buff_num, touch_pos_t * p_touch) { 00225 touch_pos_t * wk_touch; 00226 int count = 0; 00227 int x = pos_x; 00228 int y = pos_y; 00229 00230 if (touch_buff_num > 0) { 00231 count = 0; 00232 wk_touch = &p_touch[0]; 00233 wk_touch->valid = false; 00234 wk_touch->x = 0; 00235 wk_touch->y = 0; 00236 if (x >= 0) { 00237 count = 1; 00238 wk_touch->valid = true; 00239 wk_touch->x = (uint32_t)x; 00240 } 00241 if (y >= 0) { 00242 count = 1; 00243 wk_touch->valid = true; 00244 wk_touch->y = (uint32_t)y; 00245 } 00246 } 00247 00248 return count; 00249 }
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