Jim Conner
Code for driving 9x OLED displays and reding from an HX711 load cell aplifier.
Dependencies: Adafruit_GFX SPI_TFT_ILI9341 TFT_fonts hx711 mbed
Revision 0:3745349c0c83, committed 2015-01-30
- Comitter:
- jimconner
- Date:
- Fri Jan 30 00:01:26 2015 +0000
- Child:
- 1:c09b25119427
- Commit message:
- Added single pin mux support for a CD4067 (will add more pins later)
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_GFX.lib Fri Jan 30 00:01:26 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/nkhorman/code/Adafruit_GFX/#bf0e4072b06d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jan 30 00:01:26 2015 +0000
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2012 Neal Horman - http://www.wanlink.com
+ *
+ * License: MIT open source (http://opensource.org/licenses/MIT)
+ * Summary;
+ * Use / modify / distribute / publish it how you want and
+ * if you use it, or don't, you can't hold me liable for how
+ * it does or doesn't work.
+ * If it doesn't work how you want, don't use it, or change
+ * it so that it does work.
+ */
+
+#include "mbed.h"
+#include "Adafruit_SSD1306.h"
+#include "Adafruit_GFX.h"
+#include "PinNames.h"
+
+PwmOut led1(LED1);
+PwmOut led2(LED2);
+
+
+// an SPI sub-class that provides a constructed default
+class SPIPreInit : public SPI
+{
+public:
+ SPIPreInit(PinName mosi, PinName miso, PinName clk) : SPI(mosi,miso,clk)
+ {
+ format(8,3);
+ frequency(2000000);
+ };
+};
+
+// an I2C sub-class that provides a constructed default
+class I2CPreInit : public I2C
+{
+public:
+ I2CPreInit(PinName PTE0, PinName PTE1) : I2C(PTE0, PTE1)
+ {
+ frequency(800000);
+ start();
+ wait(0.1); // needed so that the displays initialise properly at power-on.
+ };
+};
+
+//SPIPreInit gSpi(p5,NC,p7);
+//Adafruit_SSD1306_Spi gOled1(gSpi,p26,p25,p24);
+
+I2CPreInit gI2C(PTE0,PTE1);
+mux_SSD1306_I2c gOled1(gI2C,PTD1,PTB0, 0, 0x78,64);
+mux_SSD1306_I2c gOled2(gI2C,PTD1,PTB0, 0, 0x7A,64);
+mux_SSD1306_I2c gOled3(gI2C,PTD1,PTB0, 1, 0x78,64);
+mux_SSD1306_I2c gOled4(gI2C,PTD1,PTB0, 1, 0x7A,64);
+
+void testdrawline() {
+ for (int16_t i=0; i<gOled1.width(); i+=4) {
+ gOled1.drawLine(0, 0, i, gOled1.height()-1, WHITE);
+ gOled1.display();
+ }
+ for (int16_t i=0; i<gOled2.height(); i+=4) {
+ gOled2.drawLine(0, 0, gOled2.width()-1, i, WHITE);
+ gOled2.display();
+ }
+ for (int16_t i=0; i<gOled3.height(); i+=4) {
+ gOled3.drawLine(0, 0, gOled3.width()-1, i, WHITE);
+ gOled3.display();
+ }
+ for (int16_t i=0; i<gOled4.width(); i+=4) {
+ gOled4.drawLine(0, 0, i, gOled4.height()-1, WHITE);
+ gOled4.display();
+ }
+
+}
+
+
+
+int main()
+{ uint16_t x=0;
+ uint16_t y=65535;
+ uint16_t a=16348;
+ uint16_t b=49152;
+ led1=1;
+ led2=1;
+
+
+ gOled1.clearDisplay();
+ gOled2.clearDisplay();
+ gOled3.clearDisplay();
+ gOled4.clearDisplay();
+
+ testdrawline();
+
+ gOled1.clearDisplay();
+ gOled2.clearDisplay();
+ gOled3.clearDisplay();
+ gOled4.clearDisplay();
+
+ gOled1.printf(" Counting Up \r\n\n\n\n", gOled1.width(), gOled1.height());
+ gOled2.printf(" Counting Down \r\n\n\n\n", gOled2.width(), gOled2.height());
+ gOled3.printf(" More going up \r\n\n\n\n", gOled3.width(), gOled3.height());
+ gOled4.printf(" More going down \r\n\n\n\n", gOled4.width(), gOled4.height());
+ gOled1.setTextSize(2);
+ gOled2.setTextSize(2);
+ gOled3.setTextSize(2);
+ gOled4.setTextSize(2);
+
+
+ while(1)
+ {
+ led1 = 0.98;
+ gOled1.printf(" %uml\r",x);
+ gOled1.display();
+ led1 = 1;
+ led2 = 0.98;
+ gOled2.printf(" %uml\r",y);
+ gOled2.display();
+ gOled3.printf(" %uK\r",a);
+ gOled3.display();
+ gOled4.printf(" %uK\r",b);
+ gOled4.display();
+ led2 = 1;
+ x++;
+ y--;
+ a++;
+ b--;
+ //wait(0.1);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jan 30 00:01:26 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file