Contiki port for the Atmel AVR Raven board
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adamdunkels
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399
platform/avr-ravenlcd/menu.c
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399
platform/avr-ravenlcd/menu.c
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/*
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* Copyright (c) 2008 Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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*
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* \brief
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* This file operates the menu flow chart described in the readme
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* notes. This will create the proper commands needed to control the 1284p.
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*
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* \author
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* Mike Vidales mavida404@gmail.com
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*
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*/
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#include "menu.h"
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#include "main.h"
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#include "lcd.h"
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#include "key.h"
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#include "uart.h"
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#include "sleep.h"
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#include "temp.h"
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uint8_t ping_count;
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uint8_t ping_response;
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bool ping_mode;
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bool timeout_flag;
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bool temp_flag;
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bool temp_mode;
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bool auto_temp;
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/**
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* \addtogroup lcd
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* \{
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This function will convert decimal to ascii.
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*
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* \param val Decimal value to convert.
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* \param str Address location to store converted value.
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*/
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void
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dectoascii(uint8_t val, char *str)
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{
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*(str+1) = (val % 10) + '0';
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*str = (val / 10) + '0';
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will convert a signed decimal number to ASCII.
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*
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* \param n Signed number
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* \param str Pointer to store converted value.
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*
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* \return *p Address of stored conversion.
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*/
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uint8_t
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*signed_dectoascii(int16_t n, uint8_t *str)
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{
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uint8_t * p = str;
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uint8_t neg = 0;
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if(n < 0){
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neg = 1;
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n = -n;
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}
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*p-- = 0x00;
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/* Determine the unit of conversion. */
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if(temp_mode == TEMP_UNIT_CELCIUS){
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/* Add ASCII C to string. */
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*p-- = 'C';
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}
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else{
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/* Add ASCII F to string. */
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*p-- = 'F';
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}
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/* Add a space before unit symbol. */
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*p-- = ' ';
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/* For zero, just print zero. */
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if (!n){
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*p = '0';
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return p;
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}
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while (n){
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*p-- = (n%10) + '0';
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n/= 10;
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}
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if (neg){
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*p-- = '-';
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}
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return ++p;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will start a sleep operation.
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*
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* \param val Used for rembering the new menu to display after a wakeup.
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*/
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void
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menu_run_sleep(uint8_t *val)
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{
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/* Turn off LED */
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led_off();
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/* Turn off Timer 1, SPI, uart */
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PRR |= (1 << PRTIM1) | (1 << PRSPI);
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/* Turn off the LCD display for sleeping */
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lcd_deinit();
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/* Turn off A/D converter */
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key_deinit();
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/* Go to sleep now */
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sleep_now();
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/* Wake up LCD Display */
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lcd_init();
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/* Tell user we're waking up */
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lcd_puts_P(PSTR("WAKE---"));
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/* Turn on Raven logo */
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lcd_symbol_set(LCD_SYMBOL_RAVEN);
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/* Wake up ADC */
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key_init();
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/* Wake up radio */
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sleep_wakeup();
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/* Wait for buttons up */
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while (key_state_get() != KEY_NO_KEY)
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;
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if (is_button()){
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get_button();
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}
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/* Print last menu tex */
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lcd_puts_P((char *)&val);
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will setup a ping request command to the 1284p and reset the ping counter.
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*
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* \param val place holder
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*/
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void
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menu_ping_request(uint8_t * val)
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{
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uint8_t i;
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ping_mode = true;
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ping_count = 0;
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ping_response = 0;
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/* Initialize the numerical display with dashes */
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for(i=0; i<4; i++){
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lcd_single_print_dig(LCD_SEV_SEG_INDEX_MINUS, i);
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}
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menu_send_ping();
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/* Reset the timer for 1 sec resolution between pings. */
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TCNT1 = 0;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will send the ping request to the 1284p via the serial port.
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*
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* \return ping_count The number of ping attempts.
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*/
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uint8_t
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menu_send_ping(void)
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{
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/*
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* Check for previous ping timeout. If menu_send_ping() was called before receiving
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* a response, update the LCD.
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*/
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timeout_flag = true;
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ping_count++;
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/* Send the ping command with one byte payload of the current sequence number. */
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uart_serial_send_frame(SEND_PING, 1, (uint8_t *)&ping_count);
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return ping_count;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will stop the ping request.
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*/
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void
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menu_stop_ping(void)
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{
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ping_mode = false;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will enable or disable the JTAG debug interface to allow for
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* proper temperature sensor readings.
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*
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* \param val Flag to trigger the proper debug mode.
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*/
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void
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menu_debug_mode(uint8_t *val)
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{
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uint8_t sreg = SREG;
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cli();
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if(*val){
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/* Could use inline ASM to meet timing requirements. */
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MCUCR |= (1 << JTD);
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MCUCR |= (1 << JTD);
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/* Needed for timing critical JTD disable. */
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temp_init();
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}
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else{
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/* Could use inline ASM to meet timing requirements. */
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MCUCR &= ~(1 << JTD);
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MCUCR &= ~(1 << JTD);
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}
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SREG = sreg;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will display the temperature in degrees F or C.
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*
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* \param val Flag to trigger F or C temperature conversion.
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*/
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void
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menu_read_temp(uint8_t *val)
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{
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if(*val){
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temp_mode = TEMP_UNIT_CELCIUS;
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}
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else{
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temp_mode = TEMP_UNIT_FAHRENHEIT;
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}
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temp_flag = true;
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menu_display_temp();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will display the temperature in degrees F or C.
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*/
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void
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menu_display_temp(void)
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{
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int16_t result = temp_get(temp_mode);
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/* Display the temp result on the lower 4 digit display with the proper symbol. */
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if(temp_mode == TEMP_UNIT_CELCIUS){
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lcd_symbol_clr(LCD_SYMBOL_F);
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lcd_symbol_set(LCD_SYMBOL_C);
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}
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else{
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lcd_symbol_clr(LCD_SYMBOL_C);
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lcd_symbol_set(LCD_SYMBOL_F);
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}
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/* Check for the DEBUG JTAG enable bit and display a CAUTION symbol to the user. */
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/* CAUTION represents false value. */
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if(MCUCR & 0x80){
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lcd_symbol_clr(LCD_SYMBOL_ATT);
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}
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else{
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lcd_symbol_set(LCD_SYMBOL_ATT);
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}
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lcd_num_putdec(result, LCD_NUM_PADDING_SPACE);
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will clear the temperature displayed in the 4 digit LCD segments.
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*/
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void
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menu_clear_temp(void)
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{
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temp_flag = false;
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lcd_symbol_clr(LCD_SYMBOL_F);
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lcd_symbol_clr(LCD_SYMBOL_C);
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lcd_symbol_clr(LCD_SYMBOL_ATT);
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lcd_num_clr();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will setup the current temperature for transfer to the ATmega1284p via a binary
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* command transfer.
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*
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* \param val This is used to determine sending once or auto based on the timer.
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*/
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void
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menu_prepare_temp(uint8_t *val)
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{
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if(*val){
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/* Only send the temp value once. */
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auto_temp = false;
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}
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else{
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/* Auto send the temp value based on TIMER1 interval. */
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auto_temp = true;
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}
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menu_send_temp();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will stop the auto sending of temperature data.
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*/
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void
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menu_stop_temp(void)
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{
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auto_temp = false;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief This will send the data via the serial port.
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*/
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void
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menu_send_temp(void)
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{
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int16_t result;
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uint8_t str[10];
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uint8_t * p = 0;
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/* Turn on nose LED for activity indicator */
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led_on();
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/* Get the latest temp value. */
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result = temp_get(temp_mode);
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/* Convert signed decimal number to ASCII. */
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p = signed_dectoascii(result, (str + 10));
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/* Send frame via serial port. */
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uart_serial_send_frame(SEND_TEMP, strlen((char *)p), p);
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led_off();
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}
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/** \} */
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