David Lowe / Mbed 2 deprecated Mandelbrot

Modified Bob Stone's code for ILI9341 QVGA TFT's without touch capability. Navigation is now done with rotary encoders - two for position, & one setting the maxiterations.

Dependencies:   SPI_TFT_ILI9341 TFT_fonts mbed

Fork of Mandelbrot by Bob Stone

Should have mentioned in the above: Encoder code is specific to the STM32F4, tested on Nucleo F401, should work on the Nucleo F411..

/media/uploads/gregeric/img_20150121_093103_744-1-.jpg /media/uploads/gregeric/img_20150121_093055_682-1-.jpg

Encoder/EncoderInit.cpp

Committer:
gregeric
Date:
2015-01-20
Revision:
2:b1169b84a563

File content as of revision 2:b1169b84a563:

#include "mbed.h"

void EncoderInit(TIM_Encoder_InitTypeDef encoder, TIM_HandleTypeDef timer, TIM_TypeDef *TIMx, uint32_t maxcount, uint32_t encmode)
{
    timer.Instance = TIMx;
    timer.Init.Period = maxcount;
    timer.Init.CounterMode = TIM_COUNTERMODE_UP;
    timer.Init.Prescaler = 0;
    timer.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

    encoder.EncoderMode = encmode;

    encoder.IC1Filter = 0x0F;
    encoder.IC1Polarity = TIM_INPUTCHANNELPOLARITY_RISING;
    encoder.IC1Prescaler = TIM_ICPSC_DIV4;
    encoder.IC1Selection = TIM_ICSELECTION_DIRECTTI;

    encoder.IC2Filter = 0x0F;
    encoder.IC2Polarity = TIM_INPUTCHANNELPOLARITY_FALLING;
    encoder.IC2Prescaler = TIM_ICPSC_DIV4;
    encoder.IC2Selection = TIM_ICSELECTION_DIRECTTI;


    if (HAL_TIM_Encoder_Init(&timer, &encoder) != HAL_OK) {
        printf("Couldn't Init Encoder\r\n");
        while (1) {}
    }

    if(HAL_TIM_Encoder_Start(&timer,TIM_CHANNEL_1)!=HAL_OK) {
        printf("Couldn't Start Encoder\r\n");
        while (1) {}
    }
}