Difference between revisions of "Tft.drawFastHLine()"
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(Created page with "<pre style="color:green"> tft.drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) </pre> *'''Effect''':<br> Draw a horizontal line on the TFT screen.<br> *'''Par...") |
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| − | [[ | + | [[https://wiki.microduino.cc/index.php/TFT_ST7735_Syntax_Manual Return to TFT_ST7735 Syntax Manual]] |
Latest revision as of 03:31, 4 August 2016
tft.drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
- Effect:
Draw a horizontal line on the TFT screen.
- Parameters:
x：the x coordinate of the starting point
y：the y coordinate of the starting point
w：the length of the horizontal line
color：color of the line
- Example:
#define sclk 13
#define mosi 11
#define cs 5
#define dc 4
#define rst -1 // you can also connect this to the Arduino reset
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library
#include <SPI.h>
#if defined(__SAM3X8E__)
#undef __FlashStringHelper::F(string_literal)
#define F(string_literal) string_literal
#endif
Adafruit_ST7735 tft = Adafruit_ST7735(cs, dc, mosi, sclk, rst);
void setup(void) {
tft.initR(INITR_BLACKTAB); // initialize a ST7735S chip, black tab
tft.fillScreen(ST7735_BLACK);
tft.drawFastHLine(10, 80, 100, ST7735_YELLOW);
}
void loop() { }
