The SZ / WakeupLight

Wakeup Light with touch user interface, anti-aliased Font, SD card access and RTC usage on STM32F746NG-DISCO board

Dependencies:   BSP_DISCO_F746NG_patch_fixed LCD_DISCO_F746NG TS_DISCO_F746NG FATFileSystem TinyJpgDec_interwork mbed-src

LED.cpp

Committer:
the_sz
Date:
2015-10-29
Revision:
1:35e2ad5cd1fe
Child:
3:ecf7f1f8d749

File content as of revision 1:35e2ad5cd1fe:

#include "WakeupLight.h"

#define COLOR_CREATE(_RED_,_GREEN_,_BLUE_,_WHITE_)          (_RED_ | (_GREEN_ << 8) | (_BLUE_ << 16) | (_WHITE_ <<24))
#define COLOR_RED(_COLOR_)                                  (_COLOR_ & 0xFF)
#define COLOR_GREEN(_COLOR_)                                ((_COLOR_ >> 8) & 0xFF)
#define COLOR_BLUE(_COLOR_)                                 ((_COLOR_ >> 16) & 0xFF)
#define COLOR_WHITE(_COLOR_)                                ((_COLOR_ >> 24) & 0xFF)

#define LED_PERIOD                                          10

PwmOut                                                      ledBlue(PB_15);
PwmOut                                                      ledRed(PH_6);
PwmOut                                                      ledGreen(PB_4);
PwmOut                                                      ledWhite(PA_15);
Ticker                                                      ledTicker;
int32_t                                                     ledAnimationStep;
LED_ANIMATION_ENUM                                          ledAnimation;

void LED_SetColor(int32_t color)
{
    DPrintfCore("LED_SetColor: 0x%08X.\r\n",color);

    ledRed.write(1.0 * COLOR_RED(color) / 255.0);
    ledGreen.write(1.0 * COLOR_GREEN(color) / 255.0);
    ledBlue.write(1.0 * COLOR_BLUE(color) / 255.0);
    ledWhite.write(1.0 * COLOR_WHITE(color) / 255.0);
}

void LED_Callback()
{
    int32_t         color;

    DPrintfCore("LED_Callback: Animation: %u, Step: %u.\r\n",ledAnimation,ledAnimationStep);

    if (ledAnimation==LAE_WAKEUP)
    {
        if (ledAnimationStep<255)
        {
            ledAnimationStep++;
            color=COLOR_CREATE((ledAnimationStep/2),ledAnimationStep,0,0);
            LED_SetColor(color);
        }
        else if (ledAnimationStep<(255+180))
        {
            ledAnimationStep++;
    
            color=COLOR_CREATE(128,255,0,(ledAnimationStep-255));
            LED_SetColor(color);
        }
    }
}

void LED_StartAnimation(LED_ANIMATION_ENUM animation)
{
    ledAnimationStep=0;
    ledAnimation=animation;
}

void LED_Init(void)
{
    ledRed.period_ms(LED_PERIOD);
    ledGreen.period_ms(LED_PERIOD);
    ledBlue.period_ms(LED_PERIOD);
    ledWhite.period_ms(LED_PERIOD);

    LED_SetColor(COLOR_CREATE(0,0,0,0));

    LED_StartAnimation(LAE_NONE);

    ledTicker.attach(&LED_Callback,0.05);
}