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Send slightly less data to Max7219

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This commit is contained in:
Scott Lahteine 2019-07-22 06:41:39 -05:00
parent 79f49040f1
commit 601b2d9f51
1 changed files with 36 additions and 20 deletions
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46
Marlin/src/feature/Max7219_Debug_LEDs.cpp
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@ -210,23 +210,31 @@ void Max7219::send(const uint8_t reg, const uint8_t data) {
CRITICAL_SECTION_END;
}
// Send out a single native row of bits to all units
void Max7219::refresh_line(const uint8_t line) {
// Send out a single native row of bits to just one unit
void Max7219::refresh_unit_line(const uint8_t line) {
#if MAX7219_NUMBER_UNITS == 1
send(LINE_REG(line), led_line[line]);
#else
for (uint8_t u = MAX7219_NUMBER_UNITS; u--;)
send(LINE_REG(line), led_line[(u << 3) | (line & 0x7)]);
if (u == (line >> 3)) send(LINE_REG(line), led_line[line]); else noop();
#endif
pulse_load();
}
// Send out a single native row of bits to just one unit
void Max7219::refresh_unit_line(const uint8_t line) {
// Send out a single native row of bits to all units
void Max7219::refresh_line(const uint8_t line) {
#if MAX7219_NUMBER_UNITS == 1
refresh_unit_line(line);
#else
for (uint8_t u = MAX7219_NUMBER_UNITS; u--;)
if (u == (line >> 3)) send(LINE_REG(line), led_line[line]); else noop();
send(LINE_REG(line), led_line[(u << 3) | (line & 0x7)]);
#endif
pulse_load();
}
void Max7219::set(const uint8_t line, const uint8_t bits) {
led_line[line] = bits;
refresh_line(line);
refresh_unit_line(line);
}
#if ENABLED(MAX7219_NUMERIC)
@ -268,7 +276,7 @@ void Max7219::led_set(const uint8_t x, const uint8_t y, const bool on) {
if (x > MAX7219_X_LEDS - 1 || y > MAX7219_Y_LEDS - 1) return error(PSTR("led_set"), x, y);
if (BIT_7219(x, y) == on) return;
XOR_7219(x, y);
refresh_line(LED_IND(x, y));
refresh_unit_line(LED_IND(x, y));
}
void Max7219::led_on(const uint8_t x, const uint8_t y) {
@ -287,20 +295,28 @@ void Max7219::led_toggle(const uint8_t x, const uint8_t y) {
}
void Max7219::send_row(const uint8_t row) {
#if _ROT == 0 || _ROT == 180
refresh_line(LED_IND(0, row));
#if _ROT == 0 || _ROT == 180 // Native Lines are horizontal too
#if MAX7219_X_LEDS <= 8
refresh_unit_line(LED_IND(0, row)); // A single unit line
#else
refresh_line(LED_IND(0, row)); // Same line, all units
#endif
#else // Native lines are vertical
UNUSED(row);
refresh();
refresh(); // Actually a column
#endif
}
void Max7219::send_column(const uint8_t col) {
#if _ROT == 90 || _ROT == 270
refresh_line(LED_IND(col, 0));
#if _ROT == 90 || _ROT == 270 // Native Lines are vertical too
#if MAX7219_Y_LEDS <= 8
refresh_unit_line(LED_IND(col, 0)); // A single unit line
#else
refresh_line(LED_IND(col, 0)); // Same line, all units
#endif
#else // Native lines are horizontal
UNUSED(col);
refresh();
refresh(); // Actually a row
#endif
}
@ -544,7 +560,7 @@ void Max7219::quantity16(const uint8_t pos, const uint8_t ov, const uint8_t nv)
for (uint8_t i = _MIN(nv, ov); i < _MAX(nv, ov); i++)
#if MAX7219_X_LEDS == 8
#if MAX7219_Y_LEDS == 8
led_set(i >> 1, pos + (i & 1), nv >= ov); // single 8x8 LED matrix. Use two lines to get 16 LED's
led_set(i >> 1, pos + (i & 1), nv >= ov); // Single 8x8 LED matrix. Use two lines to get 16 LED's
#else
led_set(pos, i, nv >= ov); // The Max7219 Y-Axis has at least 16 LED's. So use a single column
#endif