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/*
* led.c
*
* Created on: 19/08/2015
* Author: Robert Fisk
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "led.h"
#include "board_config.h"
#include "build_config.h"
uint32_t FaultLedCounter;
uint32_t ReadWriteFlashEndTime;
LedStatusTypeDef FaultLedState;
uint16_t FaultLedOnMs;
uint16_t FaultLedOffMs;
uint8_t FaultLedBlinkCount;
uint8_t FaultLedBlinkCountState;
uint8_t FaultLedOutputState;
void LED_Init(void)
{
FAULT_LED_ON;
ReadWriteFlashEndTime = 0;
FaultLedState = LED_STATUS_STARTUP;
}
void LED_SetState(LedStatusTypeDef newState)
{
switch (newState)
{
case LED_STATUS_OFF:
FaultLedCounter = UINT32_MAX;
FaultLedBlinkCountState = 0;
FaultLedOutputState = 0;
FAULT_LED_OFF;
break;
case LED_STATUS_FLASH_UNSUPPORTED:
FaultLedOnMs = LED_UNSUPPORTED_BLINK_MS;
FaultLedOffMs = LED_UNSUPPORTED_BLINK_MS;
FaultLedBlinkCount = 1;
break;
case LED_STATUS_FLASH_BOTDETECT:
FaultLedOnMs = LED_BOTDETECT_ON_MS;
FaultLedOffMs = LED_BOTDETECT_OFF_MS;
FaultLedBlinkCount = 2;
break;
case LED_STATUS_FLASH_READWRITE:
#ifdef CONFIG_WRITE_FLASH_TIME_MS
if (FaultLedState == LED_STATUS_OFF)
{
FaultLedOnMs = LED_READWRITE_ON_MS;
FaultLedOffMs = LED_READWRITE_OFF_MS;
FaultLedBlinkCount = 1;
ReadWriteFlashEndTime = HAL_GetTick() + CONFIG_WRITE_FLASH_TIME_MS;
}
else
#endif
{
newState = FaultLedState; //Don't override other active states
}
break;
default:
FaultLedOnMs = LED_ERROR_BLINK_MS; //Everything else is LED_STATUS_ERROR
FaultLedOffMs = LED_ERROR_BLINK_MS;
FaultLedBlinkCount = 1;
}
FaultLedState = newState;
}
void LED_Tick(void)
{
if (FaultLedState == LED_STATUS_OFF) return;
if (FaultLedState == LED_STATUS_STARTUP)
{
if (HAL_GetTick() >= STARTUP_FLASH_DELAY_MS)
{
LED_SetState(LED_STATUS_OFF);
}
return;
}
#ifdef CONFIG_WRITE_FLASH_TIME_MS
if (FaultLedState == LED_STATUS_FLASH_READWRITE)
{
if ((int32_t)(HAL_GetTick() - ReadWriteFlashEndTime) > 0)
{
LED_SetState(LED_STATUS_OFF);
return;
}
}
#endif
if (FaultLedOutputState)
{
if (FaultLedCounter++ >= FaultLedOnMs) //Check to turn LED off
{
FaultLedBlinkCountState++;
FaultLedCounter = 0;
FaultLedOutputState = 0;
FAULT_LED_OFF;
}
}
else
{
if (FaultLedBlinkCountState >= FaultLedBlinkCount) //Checks to turn LED on...
{
if (FaultLedCounter++ >= FaultLedOffMs) //Last flash may have longer off-time
{
FaultLedBlinkCountState = 0;
FaultLedCounter = 0;
FaultLedOutputState = 1;
FAULT_LED_ON;
}
}
else
{
if (FaultLedCounter++ >= FaultLedOnMs) //Flash sequence uses on-time as intermediate off-time
{
FaultLedCounter = 0;
FaultLedOutputState = 1;
FAULT_LED_ON;
}
}
}
}