Li Weiyi
* AM2321的取温度间隔得大于2s，否则，i2c会不工作了 * SimpleTimer有个bug，会导致两次快速的读温度，现在读温度函数里加了保护 * Blynk有个bug，会导致无法把数据传到服务器 * 现在可以正常工作了
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Adafruit_SSD1306.cpp
00001 /********************************************************************* 00002 This is a library for our Monochrome OLEDs based on SSD1306 drivers 00003 00004 Pick one up today in the adafruit shop! 00005 ------> http://www.adafruit.com/category/63_98 00006 00007 These displays use SPI to communicate, 4 or 5 pins are required to 00008 interface 00009 00010 Adafruit invests time and resources providing this open source code, 00011 please support Adafruit and open-source hardware by purchasing 00012 products from Adafruit! 00013 00014 Written by Limor Fried/Ladyada for Adafruit Industries. 00015 BSD license, check license.txt for more information 00016 All text above, and the splash screen below must be included in any redistribution 00017 *********************************************************************/ 00018 00019 /* 00020 * Modified by Neal Horman 7/14/2012 for use in mbed 00021 */ 00022 00023 #include "mbed.h" 00024 #define ADAFRUIT_SSD1306_CPP 00025 #include "Adafruit_SSD1306.h" 00026 00027 #define SSD1306_SETCONTRAST 0x81 00028 #define SSD1306_DISPLAYALLON_RESUME 0xA4 00029 #define SSD1306_DISPLAYALLON 0xA5 00030 #define SSD1306_NORMALDISPLAY 0xA6 00031 #define SSD1306_INVERTDISPLAY 0xA7 00032 #define SSD1306_DISPLAYOFF 0xAE 00033 #define SSD1306_DISPLAYON 0xAF 00034 #define SSD1306_SETDISPLAYOFFSET 0xD3 00035 #define SSD1306_SETCOMPINS 0xDA 00036 #define SSD1306_SETVCOMDETECT 0xDB 00037 #define SSD1306_SETDISPLAYCLOCKDIV 0xD5 00038 #define SSD1306_SETPRECHARGE 0xD9 00039 #define SSD1306_SETMULTIPLEX 0xA8 00040 #define SSD1306_SETLOWCOLUMN 0x00 00041 #define SSD1306_SETHIGHCOLUMN 0x10 00042 #define SSD1306_SETSTARTLINE 0x40 00043 #define SSD1306_MEMORYMODE 0x20 00044 #define SSD1306_COMSCANINC 0xC0 00045 #define SSD1306_COMSCANDEC 0xC8 00046 #define SSD1306_SEGREMAP 0xA0 00047 #define SSD1306_CHARGEPUMP 0x8D 00048 00049 00050 //0xAE, 0xD5, 0x80, 0xA8, _rawHeight-1, 0xD3, 0x00, 0x40, 0x8D, 0x10, 0x20, 0x00, 0xA1, 0xC8, 0xDA, 0x12, 0x81, 0x9F, 0xD9, 0x22, 0xDB, 0x40, 0xA4, 0xA6, 0xAF 00051 #if 1 00052 void Adafruit_SSD1306::begin(uint8_t vccstate) 00053 { 00054 //printf("begin: vccstate = %d\r\n", vccstate); 00055 rst = 1; 00056 // VDD (3.3V) goes high at start, lets just chill for a ms 00057 wait_ms(1); 00058 // bring reset low 00059 rst = 0; 00060 // wait 10ms 00061 wait_ms(10); 00062 // bring out of reset 00063 rst = 1; 00064 // turn on VCC (9V?) 00065 00066 command(SSD1306_DISPLAYOFF); 00067 command(SSD1306_SETDISPLAYCLOCKDIV); 00068 command(0x80); // the suggested ratio 0x80 00069 00070 command(SSD1306_SETMULTIPLEX); 00071 command(_rawHeight-1); 00072 00073 command(SSD1306_SETDISPLAYOFFSET); 00074 command(0x0); // no offset 00075 00076 command(SSD1306_SETSTARTLINE | 0x0); // line #0 00077 00078 command(SSD1306_CHARGEPUMP); 00079 command((vccstate == SSD1306_EXTERNALVCC) ? 0x10 : 0x14); 00080 00081 command(SSD1306_MEMORYMODE); 00082 command(0x00); // 0x0 act like ks0108 00083 00084 command(SSD1306_SEGREMAP | 0x1); 00085 00086 command(SSD1306_COMSCANDEC); 00087 00088 command(SSD1306_SETCOMPINS); 00089 command(_rawHeight == 32 ? 0x02 : 0x12); // TODO - calculate based on _rawHieght ? 00090 00091 command(SSD1306_SETCONTRAST); 00092 command(_rawHeight == 32 ? 0x8F : ((vccstate == SSD1306_EXTERNALVCC) ? 0x9F : 0xCF) ); 00093 00094 command(SSD1306_SETPRECHARGE); 00095 command((vccstate == SSD1306_EXTERNALVCC) ? 0x22 : 0xF1); 00096 00097 command(SSD1306_SETVCOMDETECT); 00098 command(0x40); 00099 00100 command(SSD1306_DISPLAYALLON_RESUME); 00101 00102 command(SSD1306_NORMALDISPLAY); 00103 00104 command(SSD1306_DISPLAYON); 00105 } 00106 #else 00107 void Adafruit_SSD1306::begin(uint8_t vccstate) 00108 { 00109 command(0xAE); 00110 command(0xD5); 00111 command(0x80); // the suggested ratio 0x80 00112 00113 command(0xA8); 00114 command(_rawHeight-1); 00115 00116 command(0xD3); 00117 command(0x0); // no offset 00118 00119 command(0x40); // line #0 00120 00121 command(0x8D); 00122 command(0x14); 00123 00124 command(0x20); 00125 command(0x00); // 0x0 act like ks0108 00126 00127 command(0xA1); 00128 00129 command(0xC8); 00130 00131 command(0xDA); 00132 command(0x12); // TODO - calculate based on _rawHieght ? 00133 00134 command(0x8a); 00135 command(0xCF); 00136 00137 command(0xD9); 00138 command(0xF1); 00139 00140 command(0xDB); 00141 command(0x40); 00142 00143 command(0x2E);//??? 00144 command(SSD1306_DISPLAYALLON_RESUME); 00145 00146 command(SSD1306_NORMALDISPLAY); 00147 00148 command(SSD1306_DISPLAYON); 00149 } 00150 #endif 00151 00152 // Set a single pixel 00153 void Adafruit_SSD1306::drawPixel(int16_t x, int16_t y, uint16_t color) 00154 { 00155 if ((x < 0) || (x >= width()) || (y < 0) || (y >= height())) 00156 return; 00157 00158 // check rotation, move pixel around if necessary 00159 switch (getRotation()) 00160 { 00161 case 1: 00162 swap(x, y); 00163 x = _rawWidth - x - 1; 00164 break; 00165 case 2: 00166 x = _rawWidth - x - 1; 00167 y = _rawHeight - y - 1; 00168 break; 00169 case 3: 00170 swap(x, y); 00171 y = _rawHeight - y - 1; 00172 break; 00173 } 00174 00175 // x is which column 00176 if (color == WHITE) 00177 buffer[x+ (y/8)*_rawWidth] |= _BV((y%8)); 00178 else // else black 00179 buffer[x+ (y/8)*_rawWidth] &= ~_BV((y%8)); 00180 } 00181 00182 void Adafruit_SSD1306::invertDisplay(bool i) 00183 { 00184 command(i ? SSD1306_INVERTDISPLAY : SSD1306_NORMALDISPLAY); 00185 } 00186 00187 // Send the display buffer out to the display 00188 void Adafruit_SSD1306::display(void) 00189 { 00190 //printf("display\r\n"); 00191 command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0 00192 command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 00193 command(SSD1306_SETSTARTLINE | 0x0); // line #0 00194 sendDisplayBuffer(); 00195 } 00196 00197 // Clear the display buffer. Requires a display() call at some point afterwards 00198 void Adafruit_SSD1306::clearDisplay(void) 00199 { 00200 #if 0 00201 std::fill(buffer.begin(),buffer.end(),0); 00202 #else 00203 memset(buffer, 0, sizeof(buffer)); 00204 #endif 00205 } 00206 00207 void Adafruit_SSD1306::splash(void) 00208 { 00209 #ifndef NO_SPLASH_ADAFRUIT 00210 uint8_t adaFruitLogo[64 * 128 / 8] = 00211 { 00212 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00213 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00214 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00215 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 00216 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00217 0x00, 0x80, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00218 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00219 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00220 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00221 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xF8, 0xE0, 0x00, 0x00, 0x00, 0x00, 00222 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 00223 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0xFF, 00224 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 00225 0x80, 0xFF, 0xFF, 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x80, 0x80, 00226 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x8C, 0x8E, 0x84, 0x00, 0x00, 0x80, 0xF8, 00227 0xF8, 0xF8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00228 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0x80, 00229 0x00, 0xE0, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 00230 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xC7, 0x01, 0x01, 00231 0x01, 0x01, 0x83, 0xFF, 0xFF, 0x00, 0x00, 0x7C, 0xFE, 0xC7, 0x01, 0x01, 0x01, 0x01, 0x83, 0xFF, 00232 0xFF, 0xFF, 0x00, 0x38, 0xFE, 0xC7, 0x83, 0x01, 0x01, 0x01, 0x83, 0xC7, 0xFF, 0xFF, 0x00, 0x00, 00233 0x01, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0xFF, 0xFF, 0x07, 0x01, 0x01, 0x01, 0x00, 0x00, 0x7F, 0xFF, 00234 0x80, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF, 00235 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00236 0x03, 0x0F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xC7, 0xC7, 0x8F, 00237 0x8F, 0x9F, 0xBF, 0xFF, 0xFF, 0xC3, 0xC0, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFC, 0xFC, 00238 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xF8, 0xF8, 0xF0, 0xF0, 0xE0, 0xC0, 0x00, 0x01, 0x03, 0x03, 0x03, 00239 0x03, 0x03, 0x01, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01, 00240 0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01, 0x03, 0x03, 0x00, 0x00, 00241 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 00242 0x03, 0x03, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x01, 0x00, 0x00, 0x00, 0x03, 00243 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00244 // 128x32^^^ 128x64vvv 00245 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x1F, 0x0F, 00246 0x87, 0xC7, 0xF7, 0xFF, 0xFF, 0x1F, 0x1F, 0x3D, 0xFC, 0xF8, 0xF8, 0xF8, 0xF8, 0x7C, 0x7D, 0xFF, 00247 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x3F, 0x0F, 0x07, 0x00, 0x30, 0x30, 0x00, 0x00, 00248 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00249 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00250 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xC0, 0x00, 00251 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 00252 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00253 0x00, 0xC0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x3F, 0x1F, 00254 0x0F, 0x07, 0x1F, 0x7F, 0xFF, 0xFF, 0xF8, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xE0, 00255 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 00256 0x00, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x0E, 0xFC, 0xF8, 0x00, 0x00, 0xF0, 0xF8, 0x1C, 0x0E, 00257 0x06, 0x06, 0x06, 0x0C, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0xFC, 00258 0xFE, 0xFC, 0x00, 0x18, 0x3C, 0x7E, 0x66, 0xE6, 0xCE, 0x84, 0x00, 0x00, 0x06, 0xFF, 0xFF, 0x06, 00259 0x06, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x06, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0xC0, 0xF8, 00260 0xFC, 0x4E, 0x46, 0x46, 0x46, 0x4E, 0x7C, 0x78, 0x40, 0x18, 0x3C, 0x76, 0xE6, 0xCE, 0xCC, 0x80, 00261 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00262 0x00, 0x00, 0x00, 0x00, 0x01, 0x07, 0x0F, 0x1F, 0x1F, 0x3F, 0x3F, 0x3F, 0x3F, 0x1F, 0x0F, 0x03, 00263 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 00264 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x03, 0x07, 0x0E, 0x0C, 00265 0x18, 0x18, 0x0C, 0x06, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x0F, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 00266 0x07, 0x01, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 00267 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x07, 00268 0x07, 0x0C, 0x0C, 0x18, 0x1C, 0x0C, 0x06, 0x06, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07, 00269 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00270 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00271 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00272 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00273 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00274 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00275 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00276 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 00277 }; 00278 #if 0 00279 std::copy( 00280 &adaFruitLogo[0] 00281 , &adaFruitLogo[0] + (_rawHeight == 32 ? sizeof(adaFruitLogo)/2 : sizeof(adaFruitLogo)) 00282 , buffer.begin() 00283 ); 00284 #else 00285 memcpy(buffer, adaFruitLogo, sizeof(adaFruitLogo)); 00286 #endif 00287 #endif 00288 }
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