EMTime/libopencm3-examples
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[Stylecheck] F0, F1, F4

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This commit is contained in:
Frantisek Burian
2014-01-23 19:06:13 +01:00
parent 022cc475bf
commit 3f47411e24
22 changed files with 203 additions and 159 deletions
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26
examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c
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@@ -70,15 +70,15 @@ static char color[maxIter+1] = " .:++xxXXX%%%%%%################";
/* Main mandelbrot calculation */
static int iterate(float px, float py)
{
int it=0;
float x=0,y=0;
while(it<maxIter)
{
int it = 0;
float x = 0, y = 0;
while (it < maxIter) {
float nx = x*x;
float ny = y*y;
if( (nx + ny) > 4 )
if ((nx + ny) > 4) {
return it;
// Zn+1 = Zn^2 + P
}
/* Zn+1 = Zn^2 + P */
y = 2*x*y + py;
x = nx - ny + px;
it++;
@@ -88,12 +88,10 @@ static int iterate(float px, float py)
static void mandel(float cX, float cY, float scale)
{
int x,y;
for(x=-60;x<60;x++)
{
for(y=-50;y<50;y++)
{
int i = iterate(cX+x*scale, cY+y*scale);
int x, y;
for (x = -60; x < 60; x++) {
for (y = -50; y < 50; y++) {
int i = iterate(cX + x*scale, cY + y*scale);
usart_send_blocking(USART2, color[i]);
}
usart_send_blocking(USART2, '\r');
@@ -111,8 +109,8 @@ int main(void)
while (1) {
/* Blink the LED (PD12) on the board with each fractal drawn. */
gpio_toggle(GPIOD, GPIO12); /* LED on/off */
mandel(centerX,centerY,scale); /* draw mandelbrot */
gpio_toggle(GPIOD, GPIO12); /* LED on/off */
mandel(centerX, centerY, scale); /* draw mandelbrot */
/* Change scale and center */
centerX += 0.175f * scale;