Embedded-linux

Transmit Data from UART0/UART1 module on LPC 2148

//————————————————————————————————————————————————————————————————————————//
// Program : Library for serial communication(UART)
// Description : Library for about serial communication UART0 and UART1 of LPC2148
// Frequency : Crystal 12 MHz at PLL 5x(CCLK = 60 MHz),PCLK = 30 MHz
// Filename : uart.h
// C compiler : Keil CARM Compiler
//————————————————————————————————————————————————————————————————————————//
#define _PCLK 30000000 // Define PCLK for configuration baudrate

Embedded-linux

//—————————————————————————————————————————————————————————————————————————//
// Program : UART example
// Description : Example for test UART1 interrupt mode
// Frequency : Crystal 12 MHz at PLL 5x(CCLK = 60 MHz),PCLK = 30 MHz
// Filename : uart_int.c
// C compiler : Keil CARM Compiler
//—————————————————————————————————————————————————————————————————————————//
#include “lpc214x.h” // Header file for Phillips LPC2148 controller
#include “uart.h” // Library for use module UART0,UART1
#include “stdio.h” // Library for use puts function(For UART1)

Embedded-linux

//————————————————————————————————————————————————————————————————————————//
// Program : Example Analog to Digital converter
// Description : Display A/D convert value on terminal program(used UART0
// : communication)
// Frequency : Crystal 12 MHz at PLL 5x(CCLK = 60 MHz),PCLK = 30 MHz
// Filename : adc.c
// C compiler : Keil CARM Compiler
//————————————————————————————————————————————————————————————————————————//
#include “lpc214x.h” // Header file for Phillips LPC2148 controller
#include “stdio.h” // Library for sprintf function

Embedded-linux

Note: 

the operation of this experiment RTC module cannot operate
continuous without supply voltage. Because the program set to RTC clock use
same souce clock of CPU (CLKSRC bit in CCR register is ‘0’). RTC module will operate
when apply supply voltage to CPU only

//————————————————————————————————————————————————————————————————————————//
// Program : Example for Real time clock
// Description : -

Embedded-linux

//————————————————————————————————————————————————————————————————————————//
// Program : Example for Real time clock
// Description : Example for display via Terminal program time format hh:mm:ss
// : and user can setup new time by press key ‘*’ on keyboard
// Frequency : Crystal 12 MHz at PLL 5x(CCLK = 60 MHz),PCLK = 30 MHz
// Filename : rtc_setup.c
// C compiler : Keil CARM Compiler
//————————————————————————————————————————————————————————————————————————//
#include “lpc214x.h” // Header file for Phillips LPC2148 controller
#include “stdio.h” // Library for use puts function(For UART1)

Embedded-linux

#include ”../FlashOs.H”

// Memory Mapping Control

#define MEMMAP      (*((volatile unsigned char *)  0x E01FC040))

// Phase Locked Loop (PLL)

#define PLLCON   (*((volatile unsigned char*) 0xE01FC080))