Andrew Lindsay
A first port of the excellent Adafruit ST7735 library
Diff: Adafruit_ST7735.cpp
- Revision:
- 4:2123ea52a4d9
- Parent:
- 3:5cd5edbf5b72
- Child:
- 5:9c04464cd1b4
--- a/Adafruit_ST7735.cpp Sun Nov 22 11:26:10 2015 +0000
+++ b/Adafruit_ST7735.cpp Sun Nov 22 12:39:52 2015 +0000
@@ -19,6 +19,10 @@
#include "mbed.h"
#include "Adafruit_ST7735.h"
+inline uint16_t swapcolor(uint16_t x) {
+ return (x << 11) | (x & 0x07E0) | (x >> 11);
+}
+
// Constructor
Adafruit_ST7735::Adafruit_ST7735(PinName mosi, PinName miso, PinName sck, PinName cs, PinName rs, PinName rst)
: lcdPort(mosi, miso, sck), _cs(cs), _rs(rs), _rst(rst), Adafruit_GFX(ST7735_TFTWIDTH, ST7735_TFTHEIGHT)
@@ -191,145 +195,6 @@
100 }; // 100 ms delay
-#ifdef oldshit
-static unsigned char
-Bcmd[] = { // Initialization commands for 7735B screens
- 18, // 18 commands in list:
- ST7735_SWRESET, DELAY, // 1: Software reset, no args, w/delay
- 50, // 50 ms delay
- ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, no args, w/delay
- 255, // 255 = 500 ms delay
- ST7735_COLMOD , 1+DELAY, // 3: Set color mode, 1 arg + delay:
- 0x05, // 16-bit color
- 10, // 10 ms delay
- ST7735_FRMCTR1, 3+DELAY, // 4: Frame rate control, 3 args + delay:
- 0x00, // fastest refresh
- 0x06, // 6 lines front porch
- 0x03, // 3 lines back porch
- 10, // 10 ms delay
- ST7735_MADCTL , 1 , // 5: Memory access ctrl (directions), 1 arg:
- 0x08, // Row addr/col addr, bottom to top refresh
- ST7735_DISSET5, 2 , // 6: Display settings #5, 2 args, no delay:
- 0x15, // 1 clk cycle nonoverlap, 2 cycle gate
- // rise, 3 cycle osc equalize
- 0x02, // Fix on VTL
- ST7735_INVCTR , 1 , // 7: Display inversion control, 1 arg:
- 0x0, // Line inversion
- ST7735_PWCTR1 , 2+DELAY, // 8: Power control, 2 args + delay:
- 0x02, // GVDD = 4.7V
- 0x70, // 1.0uA
- 10, // 10 ms delay
- ST7735_PWCTR2 , 1 , // 9: Power control, 1 arg, no delay:
- 0x05, // VGH = 14.7V, VGL = -7.35V
- ST7735_PWCTR3 , 2 , // 10: Power control, 2 args, no delay:
- 0x01, // Opamp current small
- 0x02, // Boost frequency
- ST7735_VMCTR1 , 2+DELAY, // 11: Power control, 2 args + delay:
- 0x3C, // VCOMH = 4V
- 0x38, // VCOML = -1.1V
- 10, // 10 ms delay
- ST7735_PWCTR6 , 2 , // 12: Power control, 2 args, no delay:
- 0x11, 0x15,
- ST7735_GMCTRP1,16 , // 13: Magical unicorn dust, 16 args, no delay:
- 0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what
- 0x21, 0x1B, 0x13, 0x19, // these config values represent)
- 0x17, 0x15, 0x1E, 0x2B,
- 0x04, 0x05, 0x02, 0x0E,
- ST7735_GMCTRN1,16+DELAY, // 14: Sparkles and rainbows, 16 args + delay:
- 0x0B, 0x14, 0x08, 0x1E, // (ditto)
- 0x22, 0x1D, 0x18, 0x1E,
- 0x1B, 0x1A, 0x24, 0x2B,
- 0x06, 0x06, 0x02, 0x0F,
- 10, // 10 ms delay
- ST7735_CASET , 4 , // 15: Column addr set, 4 args, no delay:
- 0x00, 0x02, // XSTART = 2
- 0x00, 0x81, // XEND = 129
- ST7735_RASET , 4 , // 16: Row addr set, 4 args, no delay:
- 0x00, 0x02, // XSTART = 1
- 0x00, 0x81, // XEND = 160
- ST7735_NORON , DELAY, // 17: Normal display on, no args, w/delay
- 10, // 10 ms delay
- ST7735_DISPON , DELAY, // 18: Main screen turn on, no args, w/delay
- 255
-}, // 255 = 500 ms delay
-
-Rcmd1[] = { // Init for 7735R, part 1 (red or green tab)
- 15, // 15 commands in list:
- ST7735_SWRESET, DELAY, // 1: Software reset, 0 args, w/delay
- 150, // 150 ms delay
- ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, 0 args, w/delay
- 255, // 500 ms delay
- ST7735_FRMCTR1, 3 , // 3: Frame rate ctrl - normal mode, 3 args:
- 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
- ST7735_FRMCTR2, 3 , // 4: Frame rate control - idle mode, 3 args:
- 0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
- ST7735_FRMCTR3, 6 , // 5: Frame rate ctrl - partial mode, 6 args:
- 0x01, 0x2C, 0x2D, // Dot inversion mode
- 0x01, 0x2C, 0x2D, // Line inversion mode
- ST7735_INVCTR , 1 , // 6: Display inversion ctrl, 1 arg, no delay:
- 0x07, // No inversion
- ST7735_PWCTR1 , 3 , // 7: Power control, 3 args, no delay:
- 0xA2,
- 0x02, // -4.6V
- 0x84, // AUTO mode
- ST7735_PWCTR2 , 1 , // 8: Power control, 1 arg, no delay:
- 0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
- ST7735_PWCTR3 , 2 , // 9: Power control, 2 args, no delay:
- 0x0A, // Opamp current small
- 0x00, // Boost frequency
- ST7735_PWCTR4 , 2 , // 10: Power control, 2 args, no delay:
- 0x8A, // BCLK/2, Opamp current small & Medium low
- 0x2A,
- ST7735_PWCTR5 , 2 , // 11: Power control, 2 args, no delay:
- 0x8A, 0xEE,
- ST7735_VMCTR1 , 1 , // 12: Power control, 1 arg, no delay:
- 0x0E,
- ST7735_INVOFF , 0 , // 13: Don't invert display, no args, no delay
- ST7735_MADCTL , 1 , // 14: Memory access control (directions), 1 arg:
- 0xC8, // row addr/col addr, bottom to top refresh
- ST7735_COLMOD , 1 , // 15: set color mode, 1 arg, no delay:
- 0x05
-}, // 16-bit color
-
-Rcmd2green[] = { // Init for 7735R, part 2 (green tab only)
- 2, // 2 commands in list:
- ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
- 0x00, 0x02, // XSTART = 0
- 0x00, 0x7F+0x02, // XEND = 127
- ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
- 0x00, 0x01, // XSTART = 0
- 0x00, 0x9F+0x01
-}, // XEND = 159
-Rcmd2red[] = { // Init for 7735R, part 2 (red tab only)
- 2, // 2 commands in list:
- ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
- 0x00, 0x00, // XSTART = 0
- 0x00, 0x7F, // XEND = 127
- ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
- 0x00, 0x00, // XSTART = 0
- 0x00, 0x9F
-}, // XEND = 159
-
-Rcmd3[] = { // Init for 7735R, part 3 (red or green tab)
- 4, // 4 commands in list:
- ST7735_GMCTRP1, 16 , // 1: Magical unicorn dust, 16 args, no delay:
- 0x02, 0x1c, 0x07, 0x12,
- 0x37, 0x32, 0x29, 0x2d,
- 0x29, 0x25, 0x2B, 0x39,
- 0x00, 0x01, 0x03, 0x10,
- ST7735_GMCTRN1, 16 , // 2: Sparkles and rainbows, 16 args, no delay:
- 0x03, 0x1d, 0x07, 0x06,
- 0x2E, 0x2C, 0x29, 0x2D,
- 0x2E, 0x2E, 0x37, 0x3F,
- 0x00, 0x00, 0x02, 0x10,
- ST7735_NORON , DELAY, // 3: Normal display on, no args, w/delay
- 10, // 10 ms delay
- ST7735_DISPON , DELAY, // 4: Main screen turn on, no args w/delay
- 100
-}; // 100 ms delay
-
-#endif
-
// Companion code to the above tables. Reads and issues
// a series of LCD commands stored in byte array.
void Adafruit_ST7735::commandList(uint8_t *addr)
@@ -391,21 +256,32 @@
// Initialization for ST7735R screens (green or red tabs)
-void Adafruit_ST7735::initR(uint8_t options)
-{
- commonInit(Rcmd1);
- if(options == INITR_GREENTAB) {
- commandList(Rcmd2green);
- colstart = 2;
- rowstart = 1;
- } else {
- // colstart, rowstart left at default '0' values
- commandList(Rcmd2red);
- }
- commandList(Rcmd3);
+void Adafruit_ST7735::initR(uint8_t options) {
+ commonInit(Rcmd1);
+ if(options == INITR_GREENTAB) {
+ commandList(Rcmd2green);
+ colstart = 2;
+ rowstart = 1;
+ } else if(options == INITR_144GREENTAB) {
+ _height = ST7735_TFTHEIGHT_144;
+ commandList(Rcmd2green144);
+ colstart = 2;
+ rowstart = 3;
+ } else {
+ // colstart, rowstart left at default '0' values
+ commandList(Rcmd2red);
+ }
+ commandList(Rcmd3);
+
+ // if black, change MADCTL color filter
+ if (options == INITR_BLACKTAB) {
+ writecommand(ST7735_MADCTL);
+ writedata(0xC0);
+ }
+
+ tabcolor = options;
}
-
void Adafruit_ST7735::setAddrWindow(uint8_t x0, uint8_t y0, uint8_t x1,
uint8_t y1)
{
@@ -426,27 +302,6 @@
}
-void Adafruit_ST7735::fillScreen(uint16_t color)
-{
-
- uint8_t x, y, hi = color >> 8, lo = color;
-
- setAddrWindow(0, 0, _width-1, _height-1);
-
- _rs = 1;
- _cs = 0;
-
- for(y=_height; y>0; y--) {
- for(x=_width; x>0; x--) {
- lcdPort.write( hi );
- lcdPort.write( lo );
- }
- }
-
- _cs = 1;
-}
-
-
void Adafruit_ST7735::pushColor(uint16_t color)
{
_rs = 1;
@@ -515,6 +370,30 @@
}
+
+void Adafruit_ST7735::fillScreen(uint16_t color)
+{
+ fillRect(0, 0, _width, _height, color);
+/*
+ uint8_t x, y, hi = color >> 8, lo = color;
+
+ setAddrWindow(0, 0, _width-1, _height-1);
+
+ _rs = 1;
+ _cs = 0;
+
+ for(y=_height; y>0; y--) {
+ for(x=_width; x>0; x--) {
+ lcdPort.write( hi );
+ lcdPort.write( lo );
+ }
+ }
+
+ _cs = 1;
+*/
+}
+
+
// fill a rectangle
void Adafruit_ST7735::fillRect(int16_t x, int16_t y, int16_t w, int16_t h,
uint16_t color)