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Fix Max7219 with 256 or more cels

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This commit is contained in:
Scott Lahteine 2019-12-31 16:04:29 -06:00
parent 16787c94af
commit 941a09b6ac
1 changed files with 9 additions and 5 deletions
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14
Marlin/src/feature/Max7219_Debug_LEDs.cpp
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@ -455,15 +455,19 @@ void Max7219::register_setup() {
#ifdef MAX7219_INIT_TEST
#if MAX7219_INIT_TEST == 2
#define MAX7219_LEDS (MAX7219_X_LEDS * MAX7219_Y_LEDS)
void Max7219::spiral(const bool on, const uint16_t del) {
constexpr int8_t way[] = { 1, 0, 0, 1, -1, 0, 0, -1 };
constexpr int8_t way[][2] = { { 1, 0 }, { 0, 1 }, { -1, 0 }, { 0, -1 } };
int8_t px = 0, py = 0, dir = 0;
for (uint8_t i = MAX7219_X_LEDS * MAX7219_Y_LEDS; i--;) {
for (IF<(MAX7219_LEDS > 255), uint16_t, uint8_t>::type i = MAX7219_LEDS; i--;) {
led_set(px, py, on);
delay(del);
const int8_t x = px + way[dir], y = py + way[dir + 1];
if (!WITHIN(x, 0, MAX7219_X_LEDS - 1) || !WITHIN(y, 0, MAX7219_Y_LEDS - 1) || BIT_7219(x, y) == on) dir = (dir + 2) & 0x7;
px += way[dir]; py += way[dir + 1];
const int8_t x = px + way[dir][0], y = py + way[dir][1];
if (!WITHIN(x, 0, MAX7219_X_LEDS - 1) || !WITHIN(y, 0, MAX7219_Y_LEDS - 1) || BIT_7219(x, y) == on)
dir = (dir + 1) & 0x3;
px += way[dir][0];
py += way[dir][1];
}
}