main.cpp

00001 #include "mbed.h"
00002 #include "ssd1606.h"
00003 #include "_24LCXXX.h"
00004 #include "rom_image.h"
00005 //#include "eeprom.h"
00006 
00007 // Check mbed LPC1114 LPCXpresso board at mbed.org
00008 //  http://mbed.org/users/okano/notebook/pinout-picture/
00009 // Check LPCXpresso LPC1114 schematics at embeddedartists.com
00010 //  http://www.embeddedartists.com/sites/default/files/docs/schematics/LPCXpressoLPC1114revA.pdf
00011 
00012 // WARNING: xp5/xp6/xp7 (P0_9/P0_8/P2_11) are reserved for SPI
00013 // Check source code at github.com
00014 //  https://github.com/mbedmicro/mbed/blob/master/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/spi_api.c
00015 
00016 // In LPC1114FN28, SPI uses dp2/dp1/dp6 (P0_9/P0_8/P0_6) with different SCK pin
00017 
00018 // naked LPC1114 on breadboard, install LED pin28, pasive piezo-buzzer pin1
00019 DigitalOut myled(dp28);  // LED ... P0_7 (pin 28)
00020 Serial uart(dp16, dp15); // UART .. P1_7: TX (pin 16), P1_6: RX (pin 15)
00021 //PwmOut pwm(dp1);         // PWM ... P0_8: CT16B0_MAT0 (pin1); sorry, blocking SPI!  
00022 
00023 // EPD interface: CS | RST | DC | BUSY | MOSI | SCK
00024 // Consider move P2_3 & P2_1 (xp37, xp13) for MOSI & SCK as 2nd SPI
00025 // Don't follow schematics from EA, since its silkscreen is wrong for SPI1
00026 //SSD1606 epd(P0_6,P0_7,P2_0,P1_5,P2_3,P2_1);
00027 SSD1606 epd(P0_6,P2_2,P2_0,P1_5,P2_3,P2_1);
00028 
00029 //SSD1606 epd(P0_6,P0_7,P2_0,P1_5,P1_11,P1_10);
00030 //SSD1606 epd2(xp23,xp11,xp12,xp21,xp38,xp39);
00031 
00032 
00033 I2C i2c(xp42, xp41);    // I2C ... P0_5: SDA, P0_4: SCL
00034 _24LCXXX nvmem(&i2c, 0x50);
00035 
00036 //enum EEPROM::TypeEeprom T24C256;
00037 //EEPROM nvmem(P0_5,P0_4,0xA0,T24C256);
00038 
00039 char c = '0';
00040 unsigned char sbuf[128];
00041 
00042 void setup()
00043 {
00044     
00045   //pwm.period(0.001);  // PWM period 1ms (1kHz)   
00046   uart.baud(115200);  // Baud rate
00047   //uart.puts("E-Badge MiniNote LPC1114 Demo Start.\n\r");
00048     //nvmem.write(0x10,0x55);
00049     epd.reset();
00050     epd.initialize();
00051     epd.rom_image(gImage_one);
00052     epd.set_command_between_images();
00053     wait(5);
00054     epd.rom_image(gImage_sushi);
00055     epd.set_command_between_images();
00056     wait(5);
00057 
00058     nvmem.byte_write(0,1);
00059     nvmem.byte_write(1,2);
00060     nvmem.byte_write(2,3);
00061     nvmem.byte_write(3,4);
00062     nvmem.nbyte_read(0x00,sbuf,16);
00063 
00064 
00065 }
00066 
00067 void loop()
00068 {
00069     /*
00070     myled = 0;  // LED on
00071     //pwm = 0.5;  // PWM duty cycle 50%, tone 1kHz
00072     wait(0.5);
00073     uart.putc(c++); if (c > '9') c = '0';  // Put Character & rotate 0,1,2,... 9
00074     myled = 1;  // LED off
00075     //pwm = 0;    // PWM stop, silent
00076     wait(0.5);
00077     */
00078     uart.putc(c++); if (c > '9') c = '0';  // Put Character & rotate 0,1,2,... 9
00079 }
00080 
00081 int main() {
00082     
00083     setup();
00084   while(1) {    // repeat (period 1sec)
00085         loop();
00086     }
00087 }