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/*-----------------------------------------------------------------datalogger.cpp
*
* This is a functional prototype of a datalogger.
*
*
*
*-----------------------------------------------------------------------------*/
#ifndef uint8_t
#define uint8_t uint8
#define uint16_t uint16
//#define uint32_t uint32
#endif
#define ASCII_DELETE '\177'
#define ASCII_BACKSPACE '\010'
/*---------------------------------------------------------------------TUNABLES
*
*----------------------------------------------------------------------------*/
#define BLU_LED 19
#define YEL_LED 18
#define GRN_LED 14
#define LED_ON LOW
#define LED_OFF HIGH
/**
* \file setup.cpp
*/
#include <stdio.h>
#include <io.h>
#include <signal.h>
#include <stdint.h>
#include <wirish/wirish.h>
#include "MapleFreeRTOS.h"
#include <libmaple/timer.h>
#include <libmaple/usart.h>
//extern "C" {
#include "Monitor.h"
//}
/* Function Prototypes */
static void vSerialTask(void* pvParameters);
static void vMonitorTask(void* pvParameters);
static void vLedTask(void* pvParameters);
/* Global Variables */
const int sensor_pin = 12;
void hardwareSetup(void) {
pinMode(YEL_LED, OUTPUT);
pinMode(GRN_LED, OUTPUT);
pinMode(BLU_LED, OUTPUT);
digitalWrite(YEL_LED, HIGH);
digitalWrite(BLU_LED, LOW);
digitalWrite(GRN_LED, HIGH);
SerialUSB.begin();
}
/**
* The main function.
*/
void setup( void )
{
hardwareSetup();
// Setup the LED to steady on
pinMode(BOARD_LED_PIN, OUTPUT);
digitalWrite(BOARD_LED_PIN, HIGH);
// Setup the button as input
pinMode(BOARD_BUTTON_PIN, INPUT);
digitalWrite(BOARD_BUTTON_PIN, HIGH);
// Setup the sensor pin as an analog input
pinMode(sensor_pin,INPUT_ANALOG);
/* Add tasks to the scheduler */
xTaskCreate(vSerialTask, (const signed char*)"Serial", configMINIMAL_STACK_SIZE, NULL, 1, NULL );
xTaskCreate(vMonitorTask, (const signed char*)"Monitor", configMINIMAL_STACK_SIZE, NULL, 1, NULL );
xTaskCreate(vLedTask, (const signed char*)"Led", configMINIMAL_STACK_SIZE, NULL, 1, NULL );
/* Start the scheduler. */
vTaskStartScheduler();
}
void loop( void )
{
}
static void vLedTask(void* pvParameters)
{
while (true){
togglePin(BLU_LED);
vTaskDelay(200);
}
}
// move these to monitor.....
/*-----------------------------------------------------------------vSerialTask()
*
* Handle (usb/serial) from console and monitored device.
* The idea here is to handle the incoming characters as quickly as possible.
* All data coming from the console or the datalogger
* is delimited by <CR><LF>. Finding an end of line "gives" a semaphore.
*
* eventually this should be moved down to the
*/
static void vSerialTask(void* pvParameters)
{
portTickType xLastWakeTime = xTaskGetTickCount();
const portTickType xWakePeriod = 50;
usart_init(USART1);
usart_set_baud_rate(USART1, USART_USE_PCLK, 9600);
usart_enable(USART1);
deviceComm.len=0;
deviceComm.gotline=false;
//vSemaphoreCreateBinary( deviceComm.xGotLineSemaphore );
//if( consoleComm.xGotLineSemaphore == NULL )
//{ // FREAK OUT!!!
//}
consoleComm.len=0;
consoleComm.gotline=false;
//vSemaphoreCreateBinary( consoleComm.xGotLineSemaphore );
//if( consoleComm.xGotLineSemaphore == NULL )
//{ // FREAK THE HELL OUT!!!
//}
// usart_init(USART2);
// usart_set_baud_rate(USART2, USART_USE_PCLK, 9600);
// usart_enable(USART2);
while (true)
{
togglePin(YEL_LED);
uint32_t rc=0;
unsigned char ch;
#if 0
if (!deviceComm.gotline) {
//rc=usart_data_available(USART1);
while (usart_data_available(USART1)
&& deviceComm.len<(MAX_COMMAND_LINE_LENGTH-1)) {
ch=usart_getc(USART1);
if (ch=='\r') {
deviceComm.gotline=true;
deviceComm.line[deviceComm.len]='\0';
//xSemaphoreGive(deviceComm.xGotLineSemaphore);
break;
} else if (ch!='\n') {
deviceComm.line[deviceComm.len++]=ch;
}
}
}
#endif
if (!consoleComm.gotline) {
while(SerialUSB.isConnected() && SerialUSB.available()
&& consoleComm.len<(MAX_COMMAND_LINE_LENGTH-1)) {
ch=SerialUSB.read();
SerialUSB.write(ch);
if (ch=='\r') {
consoleComm.gotline=true;
consoleComm.line[consoleComm.len]='\0';
//xSemaphoreGive(consoleComm.xGotLineSemaphore);
break;
} else if ((ch==ASCII_DELETE) || (ch==ASCII_BACKSPACE)) {
if (consoleComm.len) consoleComm.len--;
} else if (ch!='\n') {
consoleComm.line[consoleComm.len++]=ch;
}
}
}
vTaskDelayUntil(&xLastWakeTime, xWakePeriod);
}
}
#define IN_NO_TIME_AT_ALL (( portTickType ) (5/portTICK_RATE_MS))
#define UNTIL_ITS_ANNOYING (( portTickType ) (550/portTICK_RATE_MS))
static void vMonitorTask(void* pvParameters)
{
portTickType xLastWakeTime = xTaskGetTickCount();
const portTickType xWakePeriod = 100;
int ret;
/* Infinite loop */
while(true)
{ //if(deviceComm.gotline){
// if (xSemaphoreTake(deviceComm.xGotLineSemaphore,IN_NO_TIME_AT_ALL)){
// handleDeviceInput(&deviceComm);
// xSemaphoreGive(deviceComm.xGotLineSemaphore);
// }
if (consoleComm.gotline){
// if (xSemaphoreTake(consoleComm.xGotLineSemaphore,IN_NO_TIME_AT_ALL)){
ret=handleConsoleInput(&consoleComm);
// xSemaphoreGive(consoleComm.xGotLineSemaphore);
// if(ret==COMMAND_FORWARDED){
// if (xSemaphoreTake(deviceComm.xGotLineSemaphore,UNTIL_ITS_ANNOYING)) {
// while (!deviceComm.gotline) {
// }
// handleDeviceInput(&deviceComm);
// xSemaphoreGive(deviceComm.xGotLineSemaphore);
//}
//}
}
//
togglePin(GRN_LED);
//SerialUSB.println("?");
toConsole("?");
// vTaskDelay(100);
vTaskDelayUntil(&xLastWakeTime, xWakePeriod);
}
}
// Force init to be called *first*, i.e. before static object allocation.
// Otherwise, statically allocated objects that need libmaple may fail.
__attribute__((constructor)) void premain() {
init();
}
int main(void) {
setup();
// should never get past setup.
while (true) {
loop();
}
return 0;
}
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