Wim Huiskamp
Landtiger (LPC1768) graphics LCD demo.
See here for more info.
Diff: main.cpp
- Revision:
- 4:cdeea87f25d8
- Parent:
- 3:2dccfa0121de
--- a/main.cpp Fri Oct 30 01:26:40 2015 +0000
+++ b/main.cpp Tue Nov 24 22:33:20 2015 +0000
@@ -1,35 +1,26 @@
#include "mbed.h"
#include "GLCD.h"
-#include "Bg_16bpp_t.h"
-#include "Bg_16bpp_l.h"
-#include "Bg_16bpp_r.h"
-#include "Bg_16bpp_b.h"
-#include "ARM_Ani_16bpp.h"
-
//Host PC Baudrate (Virtual Com Port on USB)
#define D_BAUDRATE 9600
//#define D_BAUDRATE 57600
-//extern unsigned short driverCode;
-
-#define LANDTIGER 1
+// Variables for Heartbeat and Status monitoring
+//Note Port2 is used for the LCD
+//DigitalOut myled1(P2_0);
+//DigitalOut myled2(P2_1);
+//DigitalOut myled3(P2_2);
+//DigitalOut myled4(P2_3);
+//DigitalOut myled5(P2_4);
+//DigitalOut myled6(P2_5);
+//DigitalOut myled7(P2_6);
+//DigitalOut myled8(P2_7);
-// Variables for Heartbeat and Status monitoring
-#ifdef LANDTIGER
-DigitalOut myled1(P2_0);
-DigitalOut myled2(P2_1);
-DigitalOut myled3(P2_2);
-DigitalOut myled4(P2_3);
-DigitalOut myled5(P2_4);
-DigitalOut myled6(P2_5);
-DigitalOut myled7(P2_6);
-DigitalOut myled8(P2_7);
-
-
-//DigitalOut heartbeatLED(LED4);
-DigitalOut heartbeatLED(P3_26); //SD_PWR, active low
-//DigitalOut USB_Host_Power(P1_19); //USB Power, active low
+DigitalOut heartbeatLED(P3_26); //SD_PWR, LD3: active low
+DigitalOut USB_Device_PU(P2_9); //USB Device Pull Up, LD14: active low (OK)
+DigitalOut USB_Device_Up(P1_18); //USB Device Up, LD13: active low (OK)
+//DigitalOut USB_Host_Power(P1_19); //USB Host Power, LD15: active low (does not seem to go high again? ?)
+DigitalInOut USB_Host_Power(P1_19); //USB Host Power, LD15: active low (does not seem to go high again? ?)
// Need this override function on non-mbed hardware to provide the MAC address.
//
@@ -41,35 +32,17 @@
// you should implement your own extern "C" void mbed_mac_address(char * mac) function
// to overwrite the existing one and avoid a call to the interface (which doesnt exist).
-
extern "C" void mbed_mac_address(char * mac) {
//mbed module clone
-// mac[0] = 0x00;
-// mac[1] = 0x02;
-// mac[2] = 0xF7;
-// mac[3] = 0xF0;
-// mac[4] = 0x56;
-// mac[5] = 0x90;
-
-//KPN Experia
mac[0] = 0x00;
- mac[1] = 0x01;
- mac[2] = 0xE3;
- mac[3] = 0x55;
- mac[4] = 0xA1;
- mac[5] = 0xC7;
-
+ mac[1] = 0x02;
+ mac[2] = 0xF7;
+ mac[3] = 0xF0;
+ mac[4] = 0x56;
+ mac[5] = 0x90;
};
-#else
-DigitalOut myled1(LED1);
-DigitalOut myled2(LED2);
-DigitalOut myled3(LED3);
-DigitalOut heartbeatLED(LED4);
-#endif
-
-
// Host PC Communication channels
Serial pc(USBTX, USBRX); // tx, rx
@@ -77,8 +50,6 @@
Ticker heartbeat;
bool heartbeatflag=false;
-Ticker GLCD_Ani;
-
void clear_screen() {
//ANSI Terminal Commands
pc.printf("\x1B[2J");
@@ -88,33 +59,16 @@
void init_interfaces() {
// Init Host PC communication, default is 9600
pc.baud(D_BAUDRATE);
-
- //Done, Tell me about it
-// show_LEDS();
}
// Heartbeat monitor
void pulse() {
- heartbeatLED = !heartbeatLED;
-
-#ifdef LANDTIGER
-// myled1 = heartbeatLED;
-// myled2 = heartbeatLED;
-// myled3 = heartbeatLED;
-// myled4 = heartbeatLED;
-
-// myled5 = !heartbeatLED;
-// myled6 = !heartbeatLED;
-// myled7 = !heartbeatLED;
-// myled8 = !heartbeatLED;
-
-#endif
-
+ heartbeatLED = !heartbeatLED;
}
void heartbeat_start() {
- heartbeatLED = 1;
+ heartbeatLED = 0;
heartbeat.attach(&pulse, 0.5);
}
@@ -122,61 +76,45 @@
heartbeat.detach();
}
+#if(1)
+void flip_USB_Host_Power() {
+ static bool pin = false;
+
+ //USB Host Power, LD15: active low (DigitalOut does not seem to go high enough to disable?)
+ if (pin) {
+ USB_Host_Power.input(); // input + pull up, power is Off
+ }
+ else {
+ USB_Host_Power.output(); // output + low, power is On
+ USB_Host_Power = 0;
+ }
+ pin = !pin;
+}
+
+
+void set_USB_Host_Power(bool pin) {
+ //USB Host Power, LD15: active low (DigitalOut does not seem to go high enough to disable?)
+ if (pin) {
+ USB_Host_Power.input(); // input + pull up, power is Off
+ }
+ else {
+ USB_Host_Power.output(); // output + low, power is On
+ USB_Host_Power = 0;
+ }
+}
+#endif
// GLCD
GLCD myGLCD;
-#include "Julia.h"
-
-// LCD Animation
-#if(0)
-void GLCD_pulse() {
- static int pic = 0;
- static int x2 = 0;
- static int y2 = 200;
-
- if (pic++ > 8) pic = 0;
- myGLCD.Bmp (99, 99, 120, 45, (unsigned char*) &ARM_Ani_16bpp[pic*(120*45*2)]);
-
- myGLCD.drawLine(0, 0, x2, y2);
-
- x2=x2+5;
- y2=y2-5;
- if (y2 <= 0) {
- x2 = 0;
- y2 = 200;
- myGLCD.setTextColor(~glcd._textColor);
- }
-}
-#else
-void GLCD_pulse() {
- static int pic = 0;
-
- if (pic++ > 8) pic = 0;
- myGLCD.Bmp (99, 99, 120, 45, (unsigned char*) &ARM_Ani_16bpp[pic*(120*45*2)]);
-}
-#endif
-
-void GLCD_Ani_start() {
-// GLCD_Ani.attach(&GLCD_pulse, 0.05);
- GLCD_Ani.attach(&GLCD_pulse, 0.25);
-}
-
-void GLCD_Ani_stop() {
- GLCD_Ani.detach();
-}
-
-void delay(int ms) {
- wait_ms(ms);
-}
-
-
int random(int max) {
int rnd = rand() % max;
return rnd;
}
+
+#if(1)
void loop()
{
int buf[318];
@@ -185,7 +123,7 @@
int r;
// Clear the screen and draw the frame
- myGLCD.clearScreen(White);
+ myGLCD.cls(White);
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, 319, 13);
@@ -233,7 +171,7 @@
myGLCD.drawPixel(i,119+(tan(((i*1.13)*3.14)/180)));
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -263,7 +201,7 @@
buf[x-1]=y;
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -292,7 +230,7 @@
myGLCD.fillRect(70+(i*20), 30+(i*20), 130+(i*20), 90+(i*20));
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -321,7 +259,7 @@
myGLCD.fillRoundRect(190-(i*20), 30+(i*20), 250-(i*20), 90+(i*20));
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -350,7 +288,7 @@
myGLCD.fillCircle(100+(i*20),60+(i*20), 30);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -377,7 +315,7 @@
myGLCD.drawLine(318, i, 330-(i*1.44), 224);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,225);
@@ -392,7 +330,7 @@
myGLCD.drawCircle(x, y, r);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -408,7 +346,7 @@
myGLCD.drawRect(x, y, x2, y2);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -424,7 +362,7 @@
myGLCD.drawRoundRect(x, y, x2, y2);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -439,7 +377,7 @@
myGLCD.drawLine(x, y, x2, y2);
}
- delay(2000);
+ wait(2);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,318,224);
@@ -450,10 +388,9 @@
myGLCD.drawPixel(2+random(316), 16+random(209));
}
- delay(2000);
+ wait(2);
-// myGLCD.fillScr(0, 0, 255);
- myGLCD.clearScreen(Blue);
+ myGLCD.cls(Blue);
myGLCD.setColor(255, 0, 0);
myGLCD.fillRoundRect(80, 70, 239, 169);
@@ -469,74 +406,66 @@
// myGLCD.print("Runtime: (msecs)", CENTER, 210);
// myGLCD.printNumI(millis(), CENTER, 225);
- delay (3000);
+ wait(2);
}
-
+#endif
int main() {
init_interfaces();
- heartbeat_start();
-
clear_screen();
+
+ heartbeat_start();
pc.printf("Hello World!\n\r");
-
-// myGLCD.init(); // done in cosntructor
- myGLCD.clearScreen(White);
-// GLCD_clearScreen(Blue);
-// GLCD_Bmp( 0, 0, 320, 69, (unsigned char*) Bg_16bpp_t+70);
-// GLCD_Bmp( 0, 69, 4, 102, (unsigned char*) Bg_16bpp_l+70);
-// GLCD_Bmp(316, 69, 4, 102, (unsigned char*) Bg_16bpp_r+70);
-// GLCD_Bmp( 0, 171, 320, 69, (unsigned char*) Bg_16bpp_b+70);
-// GLCD_Bmp( 0, 171, 320, 69, (unsigned char*) Bg_16bpp_t+70);
-
- myGLCD.setColor (Red);
- myGLCD.setBackColor (White);
- myGLCD.DisplayString (8, 1, (unsigned char*) "Hi Willem");
-
-// GLCD_Ani_start();
-
- myGLCD.drawRect (10, 10, 100, 100);
+ pc.printf("CPU SystemCoreClock is %d Hz\r\n", SystemCoreClock);
+
+#if(1)
+ myGLCD.cls(White);
+ myGLCD.setColor(Red);
+ myGLCD.setBackColor(White);
+ myGLCD.printf ("Hi Willem\n");
+ myGLCD.printf("CPU SystemCoreClock is %d Hz\n", SystemCoreClock);
+
+ wait(0.5);
+
+ myGLCD.drawRect (100, 100, 150, 150);
myGLCD.setColor (Green);
- myGLCD.drawHLine (20, 20, 50);
- myGLCD.drawVLine (30, 30, 50);
+ myGLCD.drawHLine (120, 160, 80);
+ myGLCD.drawVLine (160, 120, 80);
myGLCD.setColor (Blue);
- myGLCD.fillRoundRect (40, 40, 100, 100);
+ myGLCD.fillRoundRect (100, 100, 130, 130);
myGLCD.setColor (Cyan);
- myGLCD.drawCircle (60, 60, 40);
-
-
+ myGLCD.drawCircle (160, 160, 40);
+
pc.printf("LCD Controller ID = 0x%04X\n\r", myGLCD.getDriverCode());
+ pc.printf("PixelsY= %d, PixelsX= %d\n\r", myGLCD.getDisplayYSize(), myGLCD.getDisplayXSize());
+ pc.printf("Lines= %d, Cols= %d\n\r", myGLCD.getRows(), myGLCD.getCols());
+#if(1)
+ wait(2);
loop();
-
-// float k = 0.0;
- float re_min=-0.17775;
- float im_min= 0.7675;
- float len= 0.32375;
-
- while(1) {
- pc.printf("+");
+#endif
- pc.printf("\n\rEnter re_min: ");
- pc.scanf("%f", &re_min);
- pc.printf("\n\rEnter im_min: ");
- pc.scanf("%f", &im_min);
- pc.printf("\n\rEnter len: ");
- pc.scanf("%f", &len);
+ myGLCD.setColor(Black);
+ myGLCD.locate(9,0);
+ myGLCD.printf("Bye Willem");
+#endif
+ pc.printf("Bye World!\n\r");
- pc.printf("\n\rValues: re_min=%0.5f, im_min=%0.5f, len=%0.5f\n\r", re_min, im_min, len);
- mandelbrot(320, 240, 400, re_min, re_min+len, im_min, im_min+len);
-// mandelbrot(150, 150, 400, re_min, re_min+len, im_min, im_min+len+k);
-
-// k = k + 0.023;
+ USB_Device_PU = 1; //USB Device Pull Up, LD14: active low
+ USB_Device_Up = 1; //USB Device Up, LD13: active low
+
+ while (1) {
+ //USB_Host_Power = !USB_Host_Power; //Does not switch off!
+ flip_USB_Host_Power();
+ USB_Device_PU = !USB_Device_PU;
+ USB_Device_Up = !USB_Device_Up;
- wait(0.1);
- };
-
- pc.printf("Bye World!\n\r");
+ pc.putc('*');
+ wait(1.5);
+ }
}