/*
* dials.c
*
* Created on: 22 Jan 2016
* Author: Mike
*/
#include "libOLED/ap_math.H"
#include "libOLED/displayclass.H"
#include "libOLED/fontclass.H"
#include "libOLED/displayDial.H"
#include <string.h>
static ap_math math;
displayDial_t::displayDial_t(display_t &display,
uint8_t x, uint8_t y,
uint8_t siz,
int16_t angle_low,
int16_t angle_high) : m_display(display),
m_xo(x), m_yo(y), m_siz(siz),
m_angleLow(angle_low),
m_angleRange(angle_high - angle_low),
m_unitStr(nullptr),
m_titleStr(nullptr)
{
}
displayDial_t::displayDial_t(display_t &display,
uint8_t x, uint8_t y,
uint8_t siz,
uint16_t angle_) : m_display(display),
m_xo(x), m_yo(y),
m_siz(siz),
m_angleLow(-angle_),
m_angleRange(2 * angle_),
m_unitStr(nullptr),
m_titleStr(nullptr)
{
}
/* position is integer from 0 to SINE_STEPS */
void displayDial_t::draw_needle(int16_t position)
{
// int ang = math.SINE_SCALING * ((position - (math.SINE_STEPS / 2)) * m_a1) / (math.SINE_STEPS / 2);
int ang = (math.SINE_SCALING * position * m_angleRange) / math.SINE_STEPS + m_angleLow * math.SINE_SCALING;
int si = math.ap_sin(ang);
int co = math.ap_cos(ang);
/* calculate an orthogonal XY shift for a second side of the needle */
int xl = math.ap_sin(ang - math.SINE_STEPS);
int yl = math.ap_cos(ang - math.SINE_STEPS);
int si2 = m_siz + 2;
int si3 = 2 * m_siz / 3;
int xs, ys;
// three parallel lines
xs = -xl;
ys = -yl;
int step;
for (step = 0; step < 3; step++)
{
m_display.drawLine(math.AP_SCALE(si * si2 - xs) + m_xo, m_yo - math.AP_SCALE(co * si2 - ys),
math.AP_SCALE(si * si3 - xs) + m_xo, m_yo - math.AP_SCALE(co * si3 - ys), INVERT);
xs += xl;
ys += yl;
}
}
void displayDial_t::draw_scale(int16_t low, int16_t high, uint8_t width, uint8_t num_step, int16_t scale)
{
int ang;
m_low = low;
m_high = high;
int sc_low = low / scale;
int sc_high = high / scale;
int step = 256 * m_angleRange / (4 * (sc_high - sc_low));
int t;
ang = m_angleLow * 256;
int d = sc_low < sc_high ? 1 : -1;
t = sc_low * 4;
while (1)
{
int si = math.ap_sin((ang * math.SINE_SCALING) / 256);
int co = math.ap_cos((ang * math.SINE_SCALING) / 256);
int len;
switch (t % 4)
{
case 0:
len = width;
break;
case 1:
case 3:
case -1:
case -3:
len = width / 4;
break;
case 2:
case -2:
len = width / 2;
break;
}
m_display.drawLine(math.AP_SCALE((m_siz)*si) + m_xo, m_yo - math.AP_SCALE((m_siz)*co),
math.AP_SCALE((m_siz - len) * si) + m_xo,
m_yo - math.AP_SCALE((m_siz - len) * co), WHITE);
if (t == sc_high * 4)
break;
ang += step;
t += d;
}
}
void displayDial_t::draw_value_items(int val, int dpCode, int width, int x, int y)
{
m_display.gotoxy(x, y);
m_display.fontDigits(medium_font, width, dpCode, val, WHITE);
m_display.gotoxy(x, y + medium_font.height());
if (m_unitStr)
{
int l = strlen(m_unitStr);
if (l > 4)
l = 4;
m_display.printString(small_font, m_unitStr, l);
m_display.printString(small_font, " ", 4 - l);
}
else
{
m_display.printString(small_font, " ", 4);
}
}
////////////////////////////////////////////////////////////////////////////////
displayFullDial_t::displayFullDial_t(display_t &display) : displayDial_t(display, 64, 60, 60, 90)
{
}
void displayFullDial_t::draw_limits()
{
m_display.fontSigDigits(small_font, 0, 56, 0, 10, m_low, WHITE);
m_display.fontSigDigits(small_font, 120, 56, 1, 10, m_high, WHITE);
if (m_titleStr)
{
int i = strlen(m_titleStr);
m_display.gotoxy(64 - i * 5, 48);
m_display.printString(large_font, m_titleStr, i, WHITE);
}
}
void displayFullDial_t ::draw_value(int val, int dp, int digits)
{
draw_value_items(val, dp, digits, 30, 32);
}
////////////////////////////////////////////////////////////////////////////////
displayLeftQuadrantDial_t::displayLeftQuadrantDial_t(display_t &display) : displayDial_t(display, 0, 60, 60, 90, 0){};
void displayLeftQuadrantDial_t::draw_limits()
{
m_display.fontSigDigits(small_font, 0, 10, false, display_t::NO_DECIMAL, m_high, WHITE);
m_display.fontSigDigits(small_font, 56, 56, true, display_t::NO_DECIMAL, m_low, WHITE);
if (m_titleStr)
{
int i = strlen(m_titleStr);
m_display.gotoxy(64 - i * 5, 0);
m_display.printString(large_font, m_titleStr, i, WHITE);
}
}
void displayLeftQuadrantDial_t ::draw_value(int val, int dp, int digits)
{
draw_value_items(val, dp, digits, 0, 32);
}
////////////////////////////////////////////////////////////////////////////////
displayRightQuadrantDial_t::displayRightQuadrantDial_t(display_t &display) : displayDial_t(display, 127, 60, 60, -90, 0){};
void displayRightQuadrantDial_t::draw_limits()
{
m_display.fontSigDigits(small_font, 128, 10, true, display_t::NO_DECIMAL, m_high, WHITE);
m_display.fontSigDigits(small_font, 128 - 56, 56, false, display_t::NO_DECIMAL, m_low, WHITE);
}
void displayRightQuadrantDial_t::draw_value(int val, int dp, int digits)
{
draw_value_items(val, dp, digits, 90, 32);
}