2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Credits to Adafrut.com
6 * {Based on,Inspired from} original <libname> from <author>. See original license in <filepath>.
9 * Permission is hereby granted, free of charge, to any person obtaining
10 * a copy of this software and associated documentation files (the
11 * "Software"), to deal in the Software without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 #define INITR_GREENTAB 0x0
37 #define INITR_REDTAB 0x1
38 #define INITR_BLACKTAB 0x2
40 #define ST7735_TFTWIDTH 128
41 #define ST7735_TFTHEIGHT 160
43 #define ST7735_NOP 0x00
44 #define ST7735_SWRESET 0x01
45 #define ST7735_RDDID 0x04
46 #define ST7735_RDDST 0x09
48 #define ST7735_SLPIN 0x10
49 #define ST7735_SLPOUT 0x11
50 #define ST7735_PTLON 0x12
51 #define ST7735_NORON 0x13
53 #define ST7735_INVOFF 0x20
54 #define ST7735_INVON 0x21
55 #define ST7735_DISPOFF 0x28
56 #define ST7735_DISPON 0x29
57 #define ST7735_CASET 0x2A
58 #define ST7735_RASET 0x2B
59 #define ST7735_RAMWR 0x2C
60 #define ST7735_RAMRD 0x2E
62 #define ST7735_PTLAR 0x30
63 #define ST7735_COLMOD 0x3A
64 #define ST7735_MADCTL 0x36
66 #define ST7735_FRMCTR1 0xB1
67 #define ST7735_FRMCTR2 0xB2
68 #define ST7735_FRMCTR3 0xB3
69 #define ST7735_INVCTR 0xB4
70 #define ST7735_DISSET5 0xB6
72 #define ST7735_PWCTR1 0xC0
73 #define ST7735_PWCTR2 0xC1
74 #define ST7735_PWCTR3 0xC2
75 #define ST7735_PWCTR4 0xC3
76 #define ST7735_PWCTR5 0xC4
77 #define ST7735_VMCTR1 0xC5
79 #define ST7735_RDID1 0xDA
80 #define ST7735_RDID2 0xDB
81 #define ST7735_RDID3 0xDC
82 #define ST7735_RDID4 0xDD
84 #define ST7735_PWCTR6 0xFC
86 #define ST7735_GMCTRP1 0xE0
87 #define ST7735_GMCTRN1 0xE1
90 #define ST7735_BLACK 0x0000
91 #define ST7735_BLUE 0x001F
92 #define ST7735_RED 0xF800
93 #define ST7735_GREEN 0x07E0
94 #define ST7735_CYAN 0x07FF
95 #define ST7735_MAGENTA 0xF81F
96 #define ST7735_YELLOW 0xFFE0
97 #define ST7735_WHITE 0xFFFF
106 static const uint8_t Bcmd[] = {
107 // Initialization commands for 7735B screens
108 18, // 18 commands in list:
109 ST7735_SWRESET, DELAY, // 1: Software reset, no args, w/delay
111 ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, no args, w/delay
112 255, // 255 = 500 ms delay
113 ST7735_COLMOD , 1+DELAY, // 3: Set color mode, 1 arg + delay:
114 0x05, // 16-bit color
116 ST7735_FRMCTR1, 3+DELAY, // 4: Frame rate control, 3 args + delay:
117 0x00, // fastest refresh
118 0x06, // 6 lines front porch
119 0x03, // 3 lines back porch
121 ST7735_MADCTL , 1 , // 5: Memory access ctrl (directions), 1 arg:
122 0x08, // Row addr/col addr, bottom to top refresh
123 ST7735_DISSET5, 2 , // 6: Display settings #5, 2 args, no delay:
124 0x15, // 1 clk cycle nonoverlap, 2 cycle gate
125 // rise, 3 cycle osc equalize
127 ST7735_INVCTR , 1 , // 7: Display inversion control, 1 arg:
128 0x0, // Line inversion
129 ST7735_PWCTR1 , 2+DELAY, // 8: Power control, 2 args + delay:
133 ST7735_PWCTR2 , 1 , // 9: Power control, 1 arg, no delay:
134 0x05, // VGH = 14.7V, VGL = -7.35V
135 ST7735_PWCTR3 , 2 , // 10: Power control, 2 args, no delay:
136 0x01, // Opamp current small
137 0x02, // Boost frequency
138 ST7735_VMCTR1 , 2+DELAY, // 11: Power control, 2 args + delay:
140 0x38, // VCOML = -1.1V
142 ST7735_PWCTR6 , 2 , // 12: Power control, 2 args, no delay:
144 ST7735_GMCTRP1,16 , // 13: Magical unicorn dust, 16 args, no delay:
145 0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what
146 0x21, 0x1B, 0x13, 0x19, // these config values represent)
147 0x17, 0x15, 0x1E, 0x2B,
148 0x04, 0x05, 0x02, 0x0E,
149 ST7735_GMCTRN1,16+DELAY, // 14: Sparkles and rainbows, 16 args + delay:
150 0x0B, 0x14, 0x08, 0x1E, // (ditto)
151 0x22, 0x1D, 0x18, 0x1E,
152 0x1B, 0x1A, 0x24, 0x2B,
153 0x06, 0x06, 0x02, 0x0F,
155 ST7735_CASET , 4 , // 15: Column addr set, 4 args, no delay:
156 0x00, 0x02, // XSTART = 2
157 0x00, 0x81, // XEND = 129
158 ST7735_RASET , 4 , // 16: Row addr set, 4 args, no delay:
159 0x00, 0x02, // XSTART = 1
160 0x00, 0x81, // XEND = 160
161 ST7735_NORON , DELAY, // 17: Normal display on, no args, w/delay
163 ST7735_DISPON , DELAY, // 18: Main screen turn on, no args, w/delay
164 255 }, // 255 = 500 ms delay
166 Rcmd1[] = { // Init for 7735R, part 1 (red or green tab)
167 15, // 15 commands in list:
168 ST7735_SWRESET, DELAY, // 1: Software reset, 0 args, w/delay
170 ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, 0 args, w/delay
172 ST7735_FRMCTR1, 3 , // 3: Frame rate ctrl - normal mode, 3 args:
173 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
174 ST7735_FRMCTR2, 3 , // 4: Frame rate control - idle mode, 3 args:
175 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
176 ST7735_FRMCTR3, 6 , // 5: Frame rate ctrl - partial mode, 6 args:
177 0x01, 0x2C, 0x2D, // Dot inversion mode
178 0x01, 0x2C, 0x2D, // Line inversion mode
179 ST7735_INVCTR , 1 , // 6: Display inversion ctrl, 1 arg, no delay:
180 0x07, // No inversion
181 ST7735_PWCTR1 , 3 , // 7: Power control, 3 args, no delay:
185 ST7735_PWCTR2 , 1 , // 8: Power control, 1 arg, no delay:
186 0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
187 ST7735_PWCTR3 , 2 , // 9: Power control, 2 args, no delay:
188 0x0A, // Opamp current small
189 0x00, // Boost frequency
190 ST7735_PWCTR4 , 2 , // 10: Power control, 2 args, no delay:
191 0x8A, // BCLK/2, Opamp current small & Medium low
193 ST7735_PWCTR5 , 2 , // 11: Power control, 2 args, no delay:
195 ST7735_VMCTR1 , 1 , // 12: Power control, 1 arg, no delay:
197 ST7735_INVOFF , 0 , // 13: Don't invert display, no args, no delay
198 ST7735_MADCTL , 1 , // 14: Memory access control (directions), 1 arg:
199 0xC8, // row addr/col addr, bottom to top refresh
200 ST7735_COLMOD , 1 , // 15: set color mode, 1 arg, no delay:
201 0x05 }, // 16-bit color
203 Rcmd2green[] = { // Init for 7735R, part 2 (green tab only)
204 2, // 2 commands in list:
205 ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
206 0x00, 0x02, // XSTART = 0
207 0x00, 0x7F+0x02, // XEND = 127
208 ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
209 0x00, 0x01, // XSTART = 0
210 0x00, 0x9F+0x01 }, // XEND = 159
211 Rcmd2red[] = { // Init for 7735R, part 2 (red tab only)
212 2, // 2 commands in list:
213 ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
214 0x00, 0x00, // XSTART = 0
215 0x00, 0x7F, // XEND = 127
216 ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
217 0x00, 0x00, // XSTART = 0
218 0x00, 0x9F }, // XEND = 159
220 Rcmd3[] = { // Init for 7735R, part 3 (red or green tab)
221 4, // 4 commands in list:
222 ST7735_GMCTRP1, 16 , // 1: Magical unicorn dust, 16 args, no delay:
223 0x02, 0x1c, 0x07, 0x12,
224 0x37, 0x32, 0x29, 0x2d,
225 0x29, 0x25, 0x2B, 0x39,
226 0x00, 0x01, 0x03, 0x10,
227 ST7735_GMCTRN1, 16 , // 2: Sparkles and rainbows, 16 args, no delay:
228 0x03, 0x1d, 0x07, 0x06,
229 0x2E, 0x2C, 0x29, 0x2D,
230 0x2E, 0x2E, 0x37, 0x3F,
231 0x00, 0x00, 0x02, 0x10,
232 ST7735_NORON , DELAY, // 3: Normal display on, no args, w/delay
234 ST7735_DISPON , DELAY, // 4: Main screen turn on, no args w/delay
235 100 }; // 100 ms delay
237 #define swap(a, b) { int16_t t = a; a = b; b = t; }
242 * @brief C++ API for NRF24l01 transceiver module
244 * This file defines the NRF24l01 C++ interface for libnrf24l01
246 * @snippet nrf_receiver.cxx Interesting
247 * @snippet nrf_transmitter.cxx Interesting
249 class ST7735 : public GFX {
252 * Instanciates a NRF24l01 object
254 * @param cs chip select pin
256 ST7735 (uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst);
259 * NRF24l01 object destructor
264 * Return name of the component
279 void configModule ();
284 void write (uint8_t value);
289 void data (uint8_t value);
294 void executeCMDList (const uint8_t *addr);
299 void setAddrWindow (uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1);
304 void drawPixel (int16_t x, int16_t y, uint16_t color);
314 maa_result_t lcdCSOn ();
319 maa_result_t lcdCSOff ();
324 maa_result_t sdCSOn ();
329 maa_result_t sdCSOff ();
334 maa_result_t rsHIGH ();
339 maa_result_t rsLOW ();
341 void fill (int col, uint16_t* buff, int len);
343 maa_spi_context m_spi;
349 maa_gpio_context m_csLCDPinCtx;
350 maa_gpio_context m_cSDPinCtx;
351 maa_gpio_context m_rSTPinCtx;
352 maa_gpio_context m_rSPinCtx;
354 uint8_t m_spiBuffer[128];