Arduino/DIY-Arduino-variometer
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Update librairies + optimizations

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loop time and memory optimization
This commit is contained in:
sinseman
2015-02-11 18:26:16 +01:00
parent 982dcb7ff9
commit 5737aff17a
20 changed files with 1400 additions and 418 deletions
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25
libraries/Adafruit_PCD8544/Adafruit_PCD8544.h
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@@ -15,6 +15,8 @@ Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, check license.txt for more information
All text above, and the splash screen must be included in any redistribution
*********************************************************************/
#ifndef _ADAFRUIT_PCD8544_H
#define _ADAFRUIT_PCD8544_H
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
@@ -23,6 +25,8 @@ All text above, and the splash screen must be included in any redistribution
#include "pins_arduino.h"
#endif
#include <SPI.h>
#define BLACK 1
#define WHITE 0
@@ -49,12 +53,21 @@ All text above, and the splash screen must be included in any redistribution
#define PCD8544_SETBIAS 0x10
#define PCD8544_SETVOP 0x80
// Default to max SPI clock speed for PCD8544 of 4 mhz (16mhz / 4) for normal Arduinos.
// This can be modified to change the clock speed if necessary (like for supporting other hardware).
#define PCD8544_SPI_CLOCK_DIV SPI_CLOCK_DIV4
class Adafruit_PCD8544 : public Adafruit_GFX {
public:
// Software SPI with explicit CS pin.
Adafruit_PCD8544(int8_t SCLK, int8_t DIN, int8_t DC, int8_t CS, int8_t RST);
// Software SPI with CS tied to ground. Saves a pin but other pins can't be shared with other hardware.
Adafruit_PCD8544(int8_t SCLK, int8_t DIN, int8_t DC, int8_t RST);
// Hardware SPI based on hardware controlled SCK (SCLK) and MOSI (DIN) pins. CS is still controlled by any IO pin.
// NOTE: MISO and SS will be set as an input and output respectively, so be careful sharing those pins!
Adafruit_PCD8544(int8_t DC, int8_t CS, int8_t RST);
void begin(uint8_t contrast = 40);
void begin(uint8_t contrast = 40, uint8_t bias = 0x04);
void command(uint8_t c);
void data(uint8_t c);
@@ -68,9 +81,11 @@ class Adafruit_PCD8544 : public Adafruit_GFX {
private:
int8_t _din, _sclk, _dc, _rst, _cs;
volatile uint8_t *mosiport, *clkport, *csport, *dcport;
uint8_t mosipinmask, clkpinmask, cspinmask, dcpinmask;
volatile uint8_t *mosiport, *clkport;
uint8_t mosipinmask, clkpinmask;
void slowSPIwrite(uint8_t c);
void fastSPIwrite(uint8_t c);
void spiWrite(uint8_t c);
bool isHardwareSPI();
};
#endif