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/*
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* main.c
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*
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* Created on: 22 нояб. 2018 г.
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* Author: maxx
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*/
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#include <avr/io.h>
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#include <util/delay.h>
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#include <avr/interrupt.h>
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#include <avr/pgmspace.h>
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#include <compat/deprecated.h> //sbi, cbi etc..
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#include "avr/wdt.h" // WatchDog
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#include <stdio.h> // printf etc..
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#include "uart_extd.h"
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#include "spi.h"
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#include "Ethernet/socket.h"
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#include "Ethernet/wizchip_conf.h"
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#include "Application/loopback/loopback.h"
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#include "Internet/DNS/dns.h"
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#include "Internet/SNTP/sntp.h"
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//#include <stdlib.h> // itoa etc..
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/*
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* (06)Added SNTP Client example for russian public ntp server: <ntp.mobatime.ru>
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* (05)Added DNS Lookup example <www.google.com> on start-up device
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* (03)Trying WIZNET5500 init with using official Wiznet ioLibrary_Driver
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* working ping, assign static IP
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* LED1 = ON when phy_link detected
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* and loopback test on TCP-IP:5000 and UDP:3000 ports.
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* use Hercules terminal utility to check network connection see:
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*
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* https://wizwiki.net/wiki/doku.php?id=osh:cookie:loopback_test
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* https://www.hw-group.com/software/hercules-setup-utility
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*
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*/
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#define _MAIN_DEBUG_
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#define PRINTF_EN 1
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#if PRINTF_EN
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#define PRINTF(FORMAT,args...) printf_P(PSTR(FORMAT),##args)
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#else
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#define PRINTF(...)
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#endif
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/*
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* m1284p minimum template, with one button & one led
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*/
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//M644P/M1284p Users LEDS:
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//LED1/PORTC.4- m644p/m1284p maxxir
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#define led1_conf() DDRC |= (1<<DDC4)
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#define led1_high() PORTC |= (1<<PORTC4)
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#define led1_low() PORTC &= ~(1<<PORTC4)
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#define led1_tgl() PORTC ^= (1<<PORTC4)
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#define led1_read() (PORTC & (1<<PORTC4))
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#define sw1_conf() {DDRC &= ~(1<<DDC5); PORTC |= (1<<PORTC5);}
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#define sw1_read() (PINC & (1<<PINC5))
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#ifdef IP_WORK
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uint8_t DNS_2nd[4] = {192, 168, 0, 1}; // Secondary DNS server IP
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//NIC metrics for WORK PC
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wiz_NetInfo netInfo = { .mac = {0x00, 0x08, 0xdc, 0xab, 0xcd, 0xef}, // Mac address
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.ip = {192, 168, 0, 199}, // IP address
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.sn = {255, 255, 255, 0}, // Subnet mask
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.dns = {8,8,8,8}, // DNS address (google dns)
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.gw = {192, 168, 0, 1}, // Gateway address
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.dhcp = NETINFO_STATIC}; //Static IP configuration
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#else
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uint8_t DNS_2nd[4] = {192, 168, 1, 1}; // Secondary DNS server IP
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//NIC metrics for another PC (second IP configuration)
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wiz_NetInfo netInfo = { .mac = {0x00, 0x08, 0xdc, 0xab, 0xcd, 0xef}, // Mac address
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.ip = {192, 168, 1, 199}, // IP address
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.sn = {255, 255, 255, 0}, // Subnet mask
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.dns = {8,8,8,8}, // DNS address (google dns)
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.gw = {192, 168, 1, 1}, // Gateway address
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.dhcp = NETINFO_STATIC}; //Static IP configuration
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#endif
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//*********Global vars
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#define TICK_PER_SEC 1000UL
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volatile unsigned long _millis; // for millis tick !! Overflow every ~49.7 days
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//*********Program metrics
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const char compile_date[] PROGMEM = __DATE__; // Mmm dd yyyy - Дата компиляции
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const char compile_time[] PROGMEM = __TIME__; // hh:mm:ss - Время компиляции
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const char str_prog_name[] PROGMEM = "\r\nAtMega1284p v1.0 Static IP DNS Client & SNTP Client WIZNET_5500 ETHERNET 27/11/2018\r\n"; // Program name
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#if defined(__AVR_ATmega128__)
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const char PROGMEM str_mcu[] = "ATmega128"; //CPU is m128
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#elif defined (__AVR_ATmega2560__)
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const char PROGMEM str_mcu[] = "ATmega2560"; //CPU is m2560
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#elif defined (__AVR_ATmega2561__)
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const char PROGMEM str_mcu[] = "ATmega2561"; //CPU is m2561
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#elif defined (__AVR_ATmega328P__)
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const char PROGMEM str_mcu[] = "ATmega328P"; //CPU is m328p
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#elif defined (__AVR_ATmega32U4__)
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const char PROGMEM str_mcu[] = "ATmega32u4"; //CPU is m32u4
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#elif defined (__AVR_ATmega644P__)
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const char PROGMEM str_mcu[] = "ATmega644p"; //CPU is m644p
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#elif defined (__AVR_ATmega1284P__)
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const char PROGMEM str_mcu[] = "ATmega1284p"; //CPU is m1284p
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#else
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const char PROGMEM str_mcu[] = "Unknown CPU"; //CPU is unknown
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#endif
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//FUNC headers
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static void avr_init(void);
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void timer0_init(void);
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static inline unsigned long millis(void);
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//Wiznet FUNC headers
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void print_network_information(void);
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// RAM Memory usage test
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static int freeRam (void)
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{
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extern int __heap_start, *__brkval;
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int v;
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int _res = (int) &v - (__brkval == 0 ? (int) &__heap_start : (int) __brkval);
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return _res;
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}
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//******************* MILLIS ENGINE: BEGIN
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//ISR (TIMER0_COMP_vect )
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ISR (TIMER0_COMPA_vect)
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{
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// Compare match Timer0
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// Here every 1ms
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_millis++; // INC millis tick
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// Тест мигаем при в ходе в прерывание
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// 500Hz FREQ OUT
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// LED_TGL;
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}
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static inline unsigned long millis(void)
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{
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unsigned long i;
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cli();
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// Atomic tick reading
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i = _millis;
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sei();
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return i;
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}
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//******************* MILLIS ENGINE: END
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//***************** UART0: BEGIN
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// Assign I/O stream to UART
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/* define CPU frequency in Mhz here if not defined in Makefile */
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//#ifndef F_CPU
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//#define F_CPU 16000000UL
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//#endif
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/* 19200 baud */
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#define UART_BAUD_RATE 19200
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//#define UART_BAUD_RATE 38400
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static int uart0_putchar(char ch,FILE *stream);
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static void uart0_rx_flash(void);
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static FILE uart0_stdout = FDEV_SETUP_STREAM(uart0_putchar, NULL, _FDEV_SETUP_WRITE);
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//PS. stdin не переназначаю, т.к. удобнее с ним работать через uart.h - api:
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/*
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* Т.е. например так
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c = uart1_getc();
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if (( c & UART_NO_DATA ) == 0)
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{
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uart1_putc( (unsigned char)c );
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}
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При этом чекаем что буфер приема не пуст и опрос идет неблокирующий (+ работаем через UART RX RINGBUFFER),
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а если работаем в стиле stdin->getchar() там опрос блокируется пока символ не будет принят (поллинг)
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через UART1_RX, т.е. неудобно.
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*/
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// STDOUT UART0 TX handler
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static int uart0_putchar(char ch,FILE *stream)
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{
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uart_putc(ch);
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return 0;
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}
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// Очищаем буфер приема UART1 RX (иногда нужно)
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static void uart0_rx_flash(void)
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{
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// Считываем все из ring-buffer UART1 RX
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unsigned int c;
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do
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{
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c = uart_getc();
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} while (( c & UART_NO_DATA ) == 0); // Check RX1 none-empty
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}
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//***************** UART0: END
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//***************** ADC: BEGIN
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#ifndef ADC_DIV
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//12.5MHz or over use this ADC reference clock
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#define ADC_DIV (1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0) //:128 ADC Prescaler
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#endif
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#ifndef ADC_REF
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// vcc voltage ref default
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#define ADC_REF (1<<REFS0)
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#endif
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void adc_init(void)
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{
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ADCSRA = 0;
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ADCSRA |= (ADC_DIV); // ADC reference clock
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ADMUX |= (ADC_REF); // Voltage reference
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ADCSRA |= (1<<ADEN); // Turn on ADC
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ADCSRA |= (1<<ADSC); // Do an initial conversion because this one is the
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// slowest and to ensure that everything is up
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// and running
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}
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uint16_t adc_read(uint8_t channel)
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{
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ADMUX &= 0b11100000; //Clear the older channel that was read
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ADMUX |= channel; //Defines the new ADC channel to be read
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ADCSRA |= (1<<ADSC); //Starts a new conversion
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while(ADCSRA & (1<<ADSC)); //Wait until the conversion is done
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return ADCW; //Returns the ADC value of the chosen channel
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}
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//***************** ADC: END
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//***************** WIZCHIP INIT: BEGIN
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#define SOCK_TCPS 0
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#define SOCK_UDPS 1
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#define PORT_TCPS 5000
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#define PORT_UDPS 3000
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#define ETH_MAX_BUF_SIZE 2048
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unsigned char ethBuf0[ETH_MAX_BUF_SIZE];
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unsigned char ethBuf1[ETH_MAX_BUF_SIZE];
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void cs_sel() {
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SPI_WIZNET_ENABLE();
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}
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void cs_desel() {
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SPI_WIZNET_DISABLE();
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}
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uint8_t spi_rb(void) {
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uint8_t rbuf;
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//HAL_SPI_Receive(&hspi1, &rbuf, 1, HAL_MAX_DELAY);
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SPI_READ(rbuf);
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return rbuf;
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}
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void spi_wb(uint8_t b) {
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//HAL_SPI_Transmit(&hspi1, &b, 1, HAL_MAX_DELAY);
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SPI_WRITE(b);
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}
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void spi_rb_burst(uint8_t *buf, uint16_t len) {
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//HAL_SPI_Receive_DMA(&hspi1, buf, len);
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//while(HAL_SPI_GetState(&hspi1) == HAL_SPI_STATE_BUSY_RX);
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for (uint16_t var = 0; var < len; var++) {
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SPI_READ(*buf++);
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}
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}
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void spi_wb_burst(uint8_t *buf, uint16_t len) {
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//HAL_SPI_Transmit_DMA(&hspi1, buf, len);
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//while(HAL_SPI_GetState(&hspi1) == HAL_SPI_STATE_BUSY_TX);
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for (uint16_t var = 0; var < len; var++) {
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SPI_WRITE(*buf++);
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}
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}
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void IO_LIBRARY_Init(void) {
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uint8_t bufSize[] = {2, 2, 2, 2, 2, 2, 2, 2};
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reg_wizchip_cs_cbfunc(cs_sel, cs_desel);
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reg_wizchip_spi_cbfunc(spi_rb, spi_wb);
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reg_wizchip_spiburst_cbfunc(spi_rb_burst, spi_wb_burst);
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wizchip_init(bufSize, bufSize);
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wizchip_setnetinfo(&netInfo);
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//wizchip_setinterruptmask(IK_SOCK_0);
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}
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//***************** DNS: BEGIN
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//////////////////////////////////////////////////
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// Socket & Port number definition for Examples //
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//////////////////////////////////////////////////
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#define SOCK_DNS 6
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unsigned char gDATABUF_DNS[ETH_MAX_BUF_SIZE];
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//#define IP_WORK
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////////////////
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// DNS client //
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////////////////
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//uint8_t Domain_name[] = "www.google.com"; // for Example domain name
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//uint8_t Domain_name[] = "ntp.mobatime.ru"; // Public russian ntp server - NO works via GSM Modem (PING not respond too)
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//uint8_t Domain_name[] = "time.nist.gov"; // Public international ntp server - NO works via GSM Modem (PING not respond too)
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uint8_t Domain_name[] = "ntp5.stratum2.ru"; // Public russian ntp server - works good via GSM Modem
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uint8_t Domain_IP[4] = {0, }; // Translated IP address by DNS Server
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//***************** DNS: END
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//***************** SNTP: BEGIN
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#define SOCK_SNTP 7
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unsigned char gDATABUF_SNTP[MAX_SNTP_BUF_SIZE];
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const uint8_t SNTP_TIMESONE = 31;//31) UTC+04:00 - Russia SAMARA (look at sntp.c)
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uint8_t sntp_client_enabled = 0;
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datetime time;
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//***************** SNTP: END
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//***************** WIZCHIP INIT: END
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int main()
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{
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uint8_t prev_sw1 = 1; // VAR for sw1 pressing detect
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// INIT MCU
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avr_init();
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spi_init(); //SPI Master, MODE0, 4Mhz(DIV4), CS_PB.3=HIGH - suitable for WIZNET 5x00(1/2/5)
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// Print program metrics
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PRINTF("%S", str_prog_name);// Название программы
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PRINTF("Compiled at: %S %S\r\n", compile_time, compile_date);// Время Дата компиляции
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PRINTF(">> MCU is: %S; CLK is: %luHz\r\n", str_mcu, F_CPU);// MCU Name && FREQ
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PRINTF(">> Free RAM is: %d bytes\r\n", freeRam());
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//Wizchip WIZ5500 Ethernet initialize
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IO_LIBRARY_Init(); //After that ping must working
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print_network_information();
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#ifdef _MAIN_DEBUG_
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printf("\r\n===== DNS Servers =====\r\n");
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printf("> DNS 1st : %d.%d.%d.%d\r\n", netInfo.dns[0], netInfo.dns[1], netInfo.dns[2], netInfo.dns[3]);
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printf("> DNS 2nd : %d.%d.%d.%d\r\n", DNS_2nd[0], DNS_2nd[1], DNS_2nd[2], DNS_2nd[3]);
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printf("=======================================\r\n");
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printf("> [NTP] Target Domain Name : %s\r\n", Domain_name);
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#endif
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/* DNS client Initialization */
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DNS_init(SOCK_DNS, gDATABUF_DNS);
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/* DNS processing */
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int32_t ret;
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if ((ret = DNS_run(netInfo.dns, Domain_name, Domain_IP)) > 0) // try to 1st DNS
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{
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#ifdef _MAIN_DEBUG_
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printf("> 1st DNS Respond\r\n");
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#endif
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}
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else if ((ret != -1) && ((ret = DNS_run(DNS_2nd, Domain_name, Domain_IP))>0)) // retry to 2nd DNS
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{
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#ifdef _MAIN_DEBUG_
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printf("> 2nd DNS Respond\r\n");
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#endif
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}
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else if(ret == -1)
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{
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#ifdef _MAIN_DEBUG_
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printf("> MAX_DOMAIN_NAME is too small. Should be redefined it.\r\n");
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#endif
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;
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}
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else
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{
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#ifdef _MAIN_DEBUG_
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printf("> DNS Failed\r\n");
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#endif
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;
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}
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if(ret > 0)
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{
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#ifdef _MAIN_DEBUG_
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printf("> Translated %s to [%d.%d.%d.%d]\r\n\r\n",Domain_name,Domain_IP[0],Domain_IP[1],Domain_IP[2],Domain_IP[3]);
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#endif
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//
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// TODO: To be executed User's code after a successful DNS process
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// sntp server ip resolved, so init SNTP client
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SNTP_init(SOCK_SNTP, Domain_IP, SNTP_TIMESONE, gDATABUF_SNTP); // timezone: Korea, Republic of
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//Query SNTP time
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do {}
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|
|
while (SNTP_run(&time) != 1);
|
|
|
sntp_client_enabled = 1;
|
|
|
PRINTF(">SNTP TIME from: %s\r\n", Domain_name);
|
|
|
PRINTF(">%02d/%02d/%d, %02d:%02d:%02d\r\n\r\n", time.dd, time.mo, time.yy, time.hh, time.mm, time.ss);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
//Short Blink LED 3 times on startup
|
|
|
unsigned char i = 3;
|
|
|
while(i--)
|
|
|
{
|
|
|
led1_high();
|
|
|
_delay_ms(100);
|
|
|
led1_low();
|
|
|
_delay_ms(400);
|
|
|
wdt_reset();
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Loopback Test: TCP Server and UDP */
|
|
|
// Test for Ethernet data transfer validation
|
|
|
uint32_t timer_link_1sec = millis();
|
|
|
uint32_t timer_sntpc_60sec = millis();
|
|
|
while(1)
|
|
|
{
|
|
|
//Here at least every 1sec
|
|
|
wdt_reset(); // WDT reset at least every sec
|
|
|
|
|
|
//Use Hercules Terminal to check loopback tcp:5000 and udp:3000
|
|
|
/*
|
|
|
* https://www.hw-group.com/software/hercules-setup-utility
|
|
|
* */
|
|
|
loopback_tcps(SOCK_TCPS,ethBuf0,PORT_TCPS);
|
|
|
loopback_udps(SOCK_UDPS,ethBuf0,PORT_UDPS);
|
|
|
|
|
|
//loopback_ret = loopback_tcpc(SOCK_TCPS, gDATABUF, destip, destport);
|
|
|
//if(loopback_ret < 0) printf("loopback ret: %ld\r\n", loopback_ret); // TCP Socket Error code
|
|
|
|
|
|
//SNTP every 1min query
|
|
|
if(sntp_client_enabled)
|
|
|
{
|
|
|
if((millis()-timer_sntpc_60sec)> 60000)
|
|
|
{
|
|
|
//here every 60 sec
|
|
|
timer_sntpc_60sec = millis();
|
|
|
//TODO: this is ugly method (because blocking query), better rewrite with FSM method/protothreads (or use RTOS delay)
|
|
|
do {}
|
|
|
while (SNTP_run(&time) != 1);
|
|
|
sntp_client_enabled = 1;
|
|
|
PRINTF(">SNTP TIME from: %s\r\n", Domain_name);
|
|
|
PRINTF(">%02d/%02d/%d, %02d:%02d:%02d\r\n\r\n", time.dd, time.mo, time.yy, time.hh, time.mm, time.ss);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
//PHY Link detect
|
|
|
if((millis()-timer_link_1sec)> 1000)
|
|
|
{
|
|
|
//here every 1 sec
|
|
|
timer_link_1sec = millis();
|
|
|
if(wizphy_getphylink() == PHY_LINK_ON)
|
|
|
{
|
|
|
led1_high();
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
led1_low();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
// Timer0
|
|
|
// 1ms IRQ
|
|
|
// Used for millis() timing
|
|
|
void timer0_init(void)
|
|
|
{
|
|
|
/*
|
|
|
*
|
|
|
* For M128
|
|
|
TCCR0 = (1<<CS02)|(1<<WGM01); //TIMER0 SET-UP: CTC MODE & PS 1:64
|
|
|
OCR0 = 249; // 1ms reach for clear (16mz:64=>250kHz:250-=>1kHz)
|
|
|
TIMSK |= 1<<OCIE0; //IRQ on TIMER0 output compare
|
|
|
*/
|
|
|
//For M664p
|
|
|
TCCR0A = (1<<WGM01); //TIMER0 SET-UP: CTC MODE
|
|
|
TCCR0B = (1<<CS01)|(1<<CS00); // PS 1:64
|
|
|
OCR0A = 249; // 1ms reach for clear (16mz:64=>250kHz:250-=>1kHz)
|
|
|
TIMSK0 |= 1<<OCIE0A; //IRQ on TIMER0 output compareA
|
|
|
}
|
|
|
|
|
|
static void avr_init(void)
|
|
|
{
|
|
|
// Initialize device here.
|
|
|
// WatchDog INIT
|
|
|
wdt_enable(WDTO_8S); // set up wdt reset interval 2 second
|
|
|
wdt_reset(); // wdt reset ~ every <2000ms
|
|
|
|
|
|
timer0_init();// Timer0 millis engine init
|
|
|
|
|
|
// Initial UART Peripheral
|
|
|
/*
|
|
|
* Initialize uart11 library, pass baudrate and AVR cpu clock
|
|
|
* with the macro
|
|
|
* uart1_BAUD_SELECT() (normal speed mode )
|
|
|
* or
|
|
|
* uart1_BAUD_SELECT_DOUBLE_SPEED() ( double speed mode)
|
|
|
*/
|
|
|
#if (UART_BAUD_RATE == 115200)
|
|
|
uart_init( UART_BAUD_SELECT_DOUBLE_SPEED(UART_BAUD_RATE,F_CPU) ); // To works without error on 115200 bps/F_CPU=16Mhz
|
|
|
#else
|
|
|
uart_init( UART_BAUD_SELECT(UART_BAUD_RATE,F_CPU) );
|
|
|
#endif
|
|
|
// Define Output/Input Stream
|
|
|
stdout = &uart0_stdout;
|
|
|
|
|
|
//ADC init
|
|
|
adc_init();
|
|
|
adc_read(0); //Dummy read
|
|
|
|
|
|
|
|
|
led1_conf();
|
|
|
led1_low();// LED1 is OFF
|
|
|
|
|
|
|
|
|
sw1_conf();//SW1 internal pull-up
|
|
|
|
|
|
sei(); //re-enable global interrupts
|
|
|
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
void print_network_information(void)
|
|
|
{
|
|
|
|
|
|
uint8_t tmpstr[6] = {0,};
|
|
|
ctlwizchip(CW_GET_ID,(void*)tmpstr); // Get WIZCHIP name
|
|
|
PRINTF("\r\n=======================================\r\n");
|
|
|
PRINTF(" WIZnet chip: %s \r\n", tmpstr);
|
|
|
PRINTF("=======================================\r\n");
|
|
|
|
|
|
wiz_NetInfo gWIZNETINFO;
|
|
|
wizchip_getnetinfo(&gWIZNETINFO);
|
|
|
if (gWIZNETINFO.dhcp == NETINFO_STATIC)
|
|
|
PRINTF("STATIC IP\r\n");
|
|
|
else
|
|
|
PRINTF("DHCP IP\r\n");
|
|
|
printf("Mac address: %02x:%02x:%02x:%02x:%02x:%02x\n\r",gWIZNETINFO.mac[0],gWIZNETINFO.mac[1],gWIZNETINFO.mac[2],gWIZNETINFO.mac[3],gWIZNETINFO.mac[4],gWIZNETINFO.mac[5]);
|
|
|
printf("IP address : %d.%d.%d.%d\n\r",gWIZNETINFO.ip[0],gWIZNETINFO.ip[1],gWIZNETINFO.ip[2],gWIZNETINFO.ip[3]);
|
|
|
printf("SM Mask : %d.%d.%d.%d\n\r",gWIZNETINFO.sn[0],gWIZNETINFO.sn[1],gWIZNETINFO.sn[2],gWIZNETINFO.sn[3]);
|
|
|
printf("Gate way : %d.%d.%d.%d\n\r",gWIZNETINFO.gw[0],gWIZNETINFO.gw[1],gWIZNETINFO.gw[2],gWIZNETINFO.gw[3]);
|
|
|
printf("DNS Server : %d.%d.%d.%d\n\r",gWIZNETINFO.dns[0],gWIZNETINFO.dns[1],gWIZNETINFO.dns[2],gWIZNETINFO.dns[3]);
|
|
|
}
|
|
|
|
