Diff: main.cpp

Revision:

3:1fa000d4da94

Parent:

2:bb9f154ea2f4

--- a/main.cpp	Mon Jun 09 11:01:38 2014 +0000
+++ b/main.cpp	Wed Jun 11 09:12:36 2014 +0000
@@ -1,75 +1,87 @@
 #include "mbed.h"
 #include "ssd1606.h"
-//#include "Ebadge.h"
 #include "_24LCXXX.h"
 #include "rom_image.h"
+//#include "eeprom.h"
 
-#define STX 0x02
-#define ETX 0x03
-#define DISPWIDTH       172
-#define DISPHEIGHT  72
-#define DISPBPP     2
-#define DISPBUFSIZE DISPWIDTH * DISPHEIGHT * DISPBPP / 8
+// Check mbed LPC1114 LPCXpresso board at mbed.org
+//  http://mbed.org/users/okano/notebook/pinout-picture/
+// Check LPCXpresso LPC1114 schematics at embeddedartists.com
+//  http://www.embeddedartists.com/sites/default/files/docs/schematics/LPCXpressoLPC1114revA.pdf
+
+// WARNING: xp5/xp6/xp7 (P0_9/P0_8/P2_11) are reserved for SPI
+// Check source code at github.com
+//  https://github.com/mbedmicro/mbed/blob/master/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/spi_api.c
+
+// In LPC1114FN28, SPI uses dp2/dp1/dp6 (P0_9/P0_8/P0_6) with different SCK pin
 
 // naked LPC1114 on breadboard, install LED pin28, pasive piezo-buzzer pin1
 DigitalOut myled(dp28);  // LED ... P0_7 (pin 28)
 Serial uart(dp16, dp15); // UART .. P1_7: TX (pin 16), P1_6: RX (pin 15)
 //PwmOut pwm(dp1);         // PWM ... P0_8: CT16B0_MAT0 (pin1); sorry, blocking SPI!  
 
-
-uint16_t xmtptr;
-uint16_t xmtsize;
+// EPD interface: CS | RST | DC | BUSY | MOSI | SCK
+// Consider move P2_3 & P2_1 (xp37, xp13) for MOSI & SCK as 2nd SPI
+// Don't follow schematics from EA, since its silkscreen is wrong for SPI1
+//SSD1606 epd(P0_6,P0_7,P2_0,P1_5,P2_3,P2_1);
+SSD1606 epd(P0_6,P2_2,P2_0,P1_5,P2_3,P2_1);
 
-//SSD1306 display(dp2,dp4,dp5,dp6,dp10);
-// SSD1606(cs, rst, dc, clk, busy, data);
-SSD1606 epd(P0_6,P0_3,P2_0,P1_9,P1_10,P1_11);
+//SSD1606 epd(P0_6,P0_7,P2_0,P1_5,P1_11,P1_10);
+//SSD1606 epd2(xp23,xp11,xp12,xp21,xp38,xp39);
 
-I2C i2c(P0_5, P0_4);
+
+I2C i2c(xp42, xp41);    // I2C ... P0_5: SDA, P0_4: SCL
 _24LCXXX nvmem(&i2c, 0x50);
 
 //enum EEPROM::TypeEeprom T24C256;
-//EEPROM fram2(P0_5,P0_4,0xA0,T24C256);
+//EEPROM nvmem(P0_5,P0_4,0xA0,T24C256);
 
 char c = '0';
 unsigned char sbuf[128];
 
-void setup() {
-    //pwm.period(0.001);  // PWM period 1ms (1kHz)   
-    uart.baud(115200);  // Baud rate
-    //uart.puts("E-Badge MiniNote LPC1114 Demo Start.\n\r");
+void setup()
+{
+    
+  //pwm.period(0.001);  // PWM period 1ms (1kHz)   
+  uart.baud(115200);  // Baud rate
+  //uart.puts("E-Badge MiniNote LPC1114 Demo Start.\n\r");
     //nvmem.write(0x10,0x55);
+    epd.reset();
     epd.initialize();
-    epd.clear();
-    epd.update();
     epd.rom_image(gImage_one);
+    epd.set_command_between_images();
+    wait(5);
+    epd.rom_image(gImage_sushi);
+    epd.set_command_between_images();
+    wait(5);
 
-/*  
-    epd.test_image(TEST_BLK);
-    wait(3);
-    epd.test_image(TEST_GREY2);
-    wait(3);
-    epd.test_image(TEST_GREY1);
-    wait(3);
-    epd.test_image(TEST_WHT);
-    wait(3);
-*/  
     nvmem.byte_write(0,1);
     nvmem.byte_write(1,2);
     nvmem.byte_write(2,3);
     nvmem.byte_write(3,4);
+    nvmem.nbyte_read(0x00,sbuf,16);
+
+
 }
 
-void loop() {
-        if (uart.readable()) {
-            c = uart.getc();
-            uart.putc(c);
-            }
+void loop()
+{
+    /*
+    myled = 0;  // LED on
+    //pwm = 0.5;  // PWM duty cycle 50%, tone 1kHz
+    wait(0.5);
+    uart.putc(c++); if (c > '9') c = '0';  // Put Character & rotate 0,1,2,... 9
+    myled = 1;  // LED off
+    //pwm = 0;    // PWM stop, silent
+    wait(0.5);
+    */
+    uart.putc(c++); if (c > '9') c = '0';  // Put Character & rotate 0,1,2,... 9
 }
 
 int main() {
+    
     setup();
-    
   while(1) {    // repeat (period 1sec)
         loop();
-    }       
+    }
 }