Kaoru Onoe
Text console library for ST7565 graphics LCD controller over SPI interface.
Dependents: TextLCD_ST7565SPI_Test OpPanel_Offline OpPanel_Offline_cmake_gcc_arm_NUCLEO_F303RENew
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TextLCD_ST7565SPI.h
00001 // ==================================================== Mar 03 2015, kayeks == 00002 // TextLCD_ST7565SPI.h 00003 // =========================================================================== 00004 // Text console library for ST7565 graphics LCD controller over SPI interface. 00005 00006 #ifndef TEXTLCD_ST7565SPI_H_ 00007 #define TEXTLCD_ST7565SPI_H_ 00008 00009 #include "mbed.h" 00010 00011 /** Text console library for ST7565 graphics LCD controller over SPI interface. */ 00012 class TextLCD_ST7565SPI : public Stream { 00013 public: 00014 /** Bias select: 1/7 or 1/9. */ 00015 enum Bias { 00016 Bias1_7 /** 1/7 bias */ 00017 , Bias1_9 /** 1/9 bias */ 00018 }; 00019 00020 const static uint8_t V0_INTERNAL_R_0 = 0x20; 00021 const static uint8_t V0_INTERNAL_R_1 = 0x21; 00022 const static uint8_t V0_INTERNAL_R_2 = 0x22; 00023 const static uint8_t V0_INTERNAL_R_3 = 0x23; 00024 const static uint8_t V0_INTERNAL_R_4 = 0x24; 00025 const static uint8_t V0_INTERNAL_R_5 = 0x25; 00026 const static uint8_t V0_INTERNAL_R_6 = 0x26; 00027 const static uint8_t V0_INTERNAL_R_7 = 0x27; 00028 const static uint8_t PCTRL_VFOLLOWER_ON = 0x29; 00029 const static uint8_t PCTRL_VFOLLOWER_OFF = 0x28; 00030 const static uint8_t PCTRL_REGULATOR_ON = 0x2a; 00031 const static uint8_t PCTRL_REGULATOR_OFF = 0x28; 00032 const static uint8_t PCTRL_BOOSTER_ON = 0x2c; 00033 const static uint8_t PCTRL_BOOSTER_OFF = 0x28; 00034 const static uint8_t COMMON_OFFSET = 0x40; 00035 const static uint8_t ELECTRONIC_VOL_MODE = 0x81; 00036 const static uint8_t ELECTRONIC_VOL_1 = 0x01; 00037 const static uint8_t ELECTRONIC_VOL_2 = 0x02; 00038 const static uint8_t ELECTRONIC_VOL_3 = 0x03; 00039 const static uint8_t ELECTRONIC_VOL_4 = 0x04; 00040 const static uint8_t ELECTRONIC_VOL_5 = 0x05; 00041 const static uint8_t ELECTRONIC_VOL_6 = 0x06; 00042 const static uint8_t ELECTRONIC_VOL_7 = 0x07; 00043 const static uint8_t ELECTRONIC_VOL_8 = 0x08; 00044 const static uint8_t ELECTRONIC_VOL_9 = 0x09; 00045 const static uint8_t ELECTRONIC_VOL_10 = 0x0a; 00046 const static uint8_t ELECTRONIC_VOL_11 = 0x0b; 00047 const static uint8_t ELECTRONIC_VOL_12 = 0x0c; 00048 const static uint8_t ELECTRONIC_VOL_13 = 0x0d; 00049 const static uint8_t ELECTRONIC_VOL_14 = 0x0e; 00050 const static uint8_t ELECTRONIC_VOL_15 = 0x0f; 00051 const static uint8_t ELECTRONIC_VOL_16 = 0x10; 00052 const static uint8_t ELECTRONIC_VOL_17 = 0x11; 00053 const static uint8_t ELECTRONIC_VOL_18 = 0x12; 00054 const static uint8_t ELECTRONIC_VOL_19 = 0x13; 00055 const static uint8_t ELECTRONIC_VOL_20 = 0x14; 00056 const static uint8_t ELECTRONIC_VOL_21 = 0x15; 00057 const static uint8_t ELECTRONIC_VOL_22 = 0x16; 00058 const static uint8_t ELECTRONIC_VOL_23 = 0x17; 00059 const static uint8_t ELECTRONIC_VOL_24 = 0x18; 00060 const static uint8_t ELECTRONIC_VOL_25 = 0x19; 00061 const static uint8_t ELECTRONIC_VOL_26 = 0x1a; 00062 const static uint8_t ELECTRONIC_VOL_27 = 0x1b; 00063 const static uint8_t ELECTRONIC_VOL_28 = 0x1c; 00064 const static uint8_t ELECTRONIC_VOL_29 = 0x1d; 00065 const static uint8_t ELECTRONIC_VOL_30 = 0x1e; 00066 const static uint8_t ELECTRONIC_VOL_31 = 0x1f; 00067 const static uint8_t ELECTRONIC_VOL_32 = 0x20; 00068 const static uint8_t ELECTRONIC_VOL_33 = 0x21; 00069 const static uint8_t ELECTRONIC_VOL_34 = 0x22; 00070 const static uint8_t ELECTRONIC_VOL_35 = 0x23; 00071 const static uint8_t ELECTRONIC_VOL_36 = 0x24; 00072 const static uint8_t ELECTRONIC_VOL_37 = 0x25; 00073 const static uint8_t ELECTRONIC_VOL_38 = 0x26; 00074 const static uint8_t ELECTRONIC_VOL_39 = 0x27; 00075 const static uint8_t ELECTRONIC_VOL_40 = 0x28; 00076 const static uint8_t ELECTRONIC_VOL_41 = 0x29; 00077 const static uint8_t ELECTRONIC_VOL_42 = 0x2a; 00078 const static uint8_t ELECTRONIC_VOL_43 = 0x2b; 00079 const static uint8_t ELECTRONIC_VOL_44 = 0x2c; 00080 const static uint8_t ELECTRONIC_VOL_45 = 0x2d; 00081 const static uint8_t ELECTRONIC_VOL_46 = 0x2e; 00082 const static uint8_t ELECTRONIC_VOL_47 = 0x2f; 00083 const static uint8_t ELECTRONIC_VOL_48 = 0x30; 00084 const static uint8_t ELECTRONIC_VOL_49 = 0x31; 00085 const static uint8_t ELECTRONIC_VOL_50 = 0x32; 00086 const static uint8_t ELECTRONIC_VOL_51 = 0x33; 00087 const static uint8_t ELECTRONIC_VOL_52 = 0x34; 00088 const static uint8_t ELECTRONIC_VOL_53 = 0x35; 00089 const static uint8_t ELECTRONIC_VOL_54 = 0x36; 00090 const static uint8_t ELECTRONIC_VOL_55 = 0x37; 00091 const static uint8_t ELECTRONIC_VOL_56 = 0x38; 00092 const static uint8_t ELECTRONIC_VOL_57 = 0x39; 00093 const static uint8_t ELECTRONIC_VOL_58 = 0x3a; 00094 const static uint8_t ELECTRONIC_VOL_59 = 0x3b; 00095 const static uint8_t ELECTRONIC_VOL_60 = 0x3c; 00096 const static uint8_t ELECTRONIC_VOL_61 = 0x3d; 00097 const static uint8_t ELECTRONIC_VOL_62 = 0x3e; 00098 const static uint8_t ELECTRONIC_VOL_63 = 0x3f; 00099 const static uint8_t SEGMENT_ASCENDING = 0xa0; 00100 const static uint8_t SEGMENT_DESCENDING = 0xa1; 00101 const static uint8_t BIAS_1_9 = 0xa2; 00102 const static uint8_t BIAS_1_7 = 0xa3; 00103 const static uint8_t ENTIRE_DISPLAY_OFF = 0xa4; 00104 const static uint8_t ENTIRE_DISPLAY_ON = 0xa5; 00105 const static uint8_t INVERT_DISPLAY_OFF = 0xa6; 00106 const static uint8_t INVERT_DISPLAY_ON = 0xa7; 00107 const static uint8_t DISPLAY_OFF = 0xae; 00108 const static uint8_t DISPLAY_ON = 0xaf; 00109 const static uint8_t COMMON_ASCENDING = 0xc0; 00110 const static uint8_t COMMON_DESCENDING = 0xc8; 00111 const static uint8_t MODIFY_WRITE_ON = 0xe0; 00112 const static uint8_t INTERNAL_RESET = 0xe2; 00113 const static uint8_t MODIFY_WRITE_OFF = 0xee; 00114 00115 const static uint8_t FONT_5X7[128][5]; 00116 00117 private: 00118 uint8_t** _lineBuffer; 00119 uint8_t _column, _row; 00120 uint8_t _columns, _rows; 00121 DigitalOut _rs; 00122 DigitalOut _rst; 00123 SPI _spi; 00124 DigitalOut _cs; 00125 00126 public: 00127 /** Constructor of class TextLCD_ST7565SPI. 00128 * @param mosi SPI data output (MOSI) pin. 00129 * @param sck SPI clock output (SCK) pin. 00130 * @param cs SPI Chip select (CS) pin. 00131 * @param rs Register select (RS or A0) pin. 00132 * @param rst Hardware reset (RST) pin. 00133 * @param columns Number of characters in a row. 00134 * @param rows Number of rows. 00135 */ 00136 TextLCD_ST7565SPI(PinName mosi, PinName sck, PinName cs, 00137 PinName rs, PinName rst, 00138 uint8_t columns, uint8_t rows); 00139 00140 /** Destructor of class TextLCD_ST7565SPI. */ 00141 virtual ~TextLCD_ST7565SPI(); 00142 00143 /** Hit hardware reset pin. */ 00144 void reset(); 00145 00146 /** Initialize controller. 00147 * @param v0 Internal V0 setting (0..7). 00148 * @param contrast Contrast setting (0..63). 00149 * @param bias Bias configuration for your LCD. 00150 */ 00151 void init(uint8_t v0, uint8_t contrast, Bias bias); 00152 00153 /** Clear display and set cursor to home. */ 00154 void cls(); 00155 00156 /** Set cursor position for next character. 00157 * @param column Column position indexed from 0. 00158 * @param row Row position indexed from 0. 00159 */ 00160 void locate(uint8_t column, uint8_t row); 00161 00162 private: 00163 /** Implementation of putc from Stream class. */ 00164 virtual int _putc(int c); 00165 00166 /** Implementation of getc from Stream class. */ 00167 virtual int _getc(); 00168 00169 /** Shift up the lower line for scrolling. */ 00170 void shiftUp(); 00171 00172 /** Clear entire display. */ 00173 void clear(); 00174 00175 /** Set page position for next data. 00176 * @param page Page position indexed from 0 to 7. 00177 */ 00178 void setPage(uint8_t page); 00179 00180 /** Set column position for next data. 00181 * @param column Column position indexed from 0. 00182 */ 00183 void setColumn(uint8_t column); 00184 00185 /** Write a command byte for LCD controller. 00186 * @param c The command byte. 00187 */ 00188 void command(uint8_t c); 00189 00190 /** Write a data byte for LCD controller. 00191 * @param d The data byte. 00192 */ 00193 void data(uint8_t d); 00194 }; 00195 00196 #endif
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