Fix up Max7219 orientations (#11596)
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Scott Lahteine
GitHub
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d05b23941d
commit
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@ -50,36 +50,32 @@
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Max7219 max7219;
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uint8_t Max7219::led_line[MAX7219_ROWS]; // = { 0 };
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uint8_t Max7219::led_line[MAX7219_LINES]; // = { 0 };
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#define LINE_REG(Q) (max7219_reg_digit0 + ((Q) & 0x7))
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#if _ROT == 0 || _ROT == 270
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#define _LED_BIT(Q) (7 - ((Q) & 0x07))
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#define _LED_BIT(Q) (7 - ((Q) & 0x7))
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#define _LED_UNIT(Q) ((Q) & ~0x7)
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#else
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#define _LED_BIT(Q) ((Q) & 0x07)
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#define _LED_BIT(Q) ((Q) & 0x7)
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#define _LED_UNIT(Q) ((MAX7219_NUMBER_UNITS - 1 - ((Q) >> 3)) << 3)
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#endif
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#if _ROT >= 180
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#define _LED_IND(P,Q) (P + ((Q) & ~0x07))
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#define _ROW_REG(Q) (max7219_reg_digit7 - ((Q) & 0x7))
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#if _ROT < 180
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#define _LED_IND(P,Q) (_LED_UNIT(P) + (Q))
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#else
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#define _LED_IND(P,Q) (P + ((Q) & ~0x07))
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#define _ROW_REG(Q) (max7219_reg_digit0 + ((Q) & 0x7))
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#define _LED_IND(P,Q) (_LED_UNIT(P) + (7 - ((Q) & 0x7)))
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#endif
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#if _ROT == 0 || _ROT == 180
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#define MAX7219_LINE_AXIS y
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#define LED_IND(X,Y) _LED_IND(Y,X)
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#define LED_IND(X,Y) _LED_IND(X,Y)
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#define LED_BIT(X,Y) _LED_BIT(X)
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#elif _ROT == 90 || _ROT == 270
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#define MAX7219_LINE_AXIS x
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#define LED_IND(X,Y) _LED_IND(X,Y)
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#define LED_IND(X,Y) _LED_IND(Y,X)
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#define LED_BIT(X,Y) _LED_BIT(Y)
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#else
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#error "MAX7219_ROTATE must be a multiple of +/- 90°."
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#endif
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#define XOR_7219(X,Y) led_line[LED_IND(X,Y)] ^= _BV(LED_BIT(X,Y))
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#define SET_LED_7219(X,Y) led_line[LED_IND(X,Y)] |= _BV(LED_BIT(X,Y))
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#define CLR_LED_7219(X,Y) led_line[LED_IND(X,Y)] &= ~_BV(LED_BIT(X,Y))
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#define BIT_7219(X,Y) TEST(led_line[LED_IND(X,Y)], LED_BIT(X,Y))
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#define XOR_7219(X,Y) do{ led_line[LED_IND(X,Y)] ^= _BV(LED_BIT(X,Y)); }while(0)
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#define SET_7219(X,Y) do{ led_line[LED_IND(X,Y)] |= _BV(LED_BIT(X,Y)); }while(0)
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#define CLR_7219(X,Y) do{ led_line[LED_IND(X,Y)] &= ~_BV(LED_BIT(X,Y)); }while(0)
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#define BIT_7219(X,Y) TEST(led_line[LED_IND(X,Y)], LED_BIT(X,Y))
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#ifdef CPU_32_BIT
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#define SIG_DELAY() DELAY_US(1) // Approximate a 1µs delay on 32-bit ARM
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@ -93,7 +89,7 @@ uint8_t Max7219::led_line[MAX7219_ROWS]; // = { 0 };
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void Max7219::error(const char * const func, const int32_t v1, const int32_t v2/*=-1*/) {
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#if ENABLED(MAX7219_ERRORS)
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SERIAL_ECHOPGM("??? Max7219");
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SERIAL_ECHOPGM("??? Max7219::");
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serialprintPGM(func);
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SERIAL_CHAR('(');
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SERIAL_ECHO(v1);
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@ -130,6 +126,7 @@ void Max7219::noop() {
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SIG_DELAY();
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WRITE(MAX7219_CLK_PIN, LOW);
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SIG_DELAY();
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SIG_DELAY();
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WRITE(MAX7219_CLK_PIN, HIGH);
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SIG_DELAY();
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}
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@ -170,26 +167,22 @@ void Max7219::send(const uint8_t reg, const uint8_t data) {
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}
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// Send out a single native row of bits to all units
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void Max7219::all(const uint8_t line) {
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for (uint8_t u = 0; u < MAX7219_ROWS; u += 8)
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send(_ROW_REG(line), led_line[u + (line & 0x7)]);
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void Max7219::refresh_line(const uint8_t line) {
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for (uint8_t u = MAX7219_NUMBER_UNITS; u--;)
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send(LINE_REG(line), led_line[(u << 3) | (line & 0x7)]);
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pulse_load();
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}
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// Send out a single native row of bits to just one unit
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void Max7219::one(const uint8_t line) {
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for (uint8_t u = MAX7219_NUMBER_UNITS; u--;) {
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if (u == (line >> 3))
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send(_ROW_REG(line), led_line[line]);
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else
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noop();
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}
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void Max7219::refresh_unit_line(const uint8_t line) {
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for (uint8_t u = MAX7219_NUMBER_UNITS; u--;)
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if (u == (line >> 3)) send(LINE_REG(line), led_line[line]); else noop();
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pulse_load();
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}
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void Max7219::set(const uint8_t line, const uint8_t bits) {
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led_line[line] = bits;
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all(line);
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refresh_line(line);
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}
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#if ENABLED(MAX7219_NUMERIC)
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@ -231,7 +224,7 @@ void Max7219::led_set(const uint8_t x, const uint8_t y, const bool on) {
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if (x > MAX7219_X_LEDS - 1 || y > MAX7219_Y_LEDS - 1) return error(PSTR("led_set"), x, y);
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if (BIT_7219(x, y) == on) return;
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XOR_7219(x, y);
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all(MAX7219_LINE_AXIS);
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refresh_line(LED_IND(x, y));
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}
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void Max7219::led_on(const uint8_t x, const uint8_t y) {
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@ -250,8 +243,8 @@ void Max7219::led_toggle(const uint8_t x, const uint8_t y) {
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}
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void Max7219::send_row(const uint8_t row) {
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#if _ROT == 90 || _ROT == 270
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all(row);
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#if _ROT == 0 || _ROT == 180
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refresh_line(LED_IND(0, row));
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#else
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UNUSED(row);
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refresh();
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@ -260,7 +253,7 @@ void Max7219::send_row(const uint8_t row) {
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void Max7219::send_column(const uint8_t col) {
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#if _ROT == 90 || _ROT == 270
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all(col); // Send the "column" out and strobe
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refresh_line(LED_IND(col, 0));
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#else
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UNUSED(col);
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refresh();
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@ -272,17 +265,20 @@ void Max7219::clear() {
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refresh();
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}
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void Max7219::fill() {
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memset(led_line, 0xFF, sizeof(led_line));
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refresh();
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}
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void Max7219::clear_row(const uint8_t row) {
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if (row >= MAX7219_Y_LEDS) return error(PSTR("clear_row"), row);
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for (uint8_t x = 0; x < MAX7219_X_LEDS; x++)
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CLR_LED_7219(MAX7219_X_LEDS - 1 - x, row);
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for (uint8_t x = 0; x < MAX7219_X_LEDS; x++) CLR_7219(x, row);
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send_row(row);
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}
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void Max7219::clear_column(const uint8_t col) {
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if (col >= MAX7219_X_LEDS) return error(PSTR("set_column"), col);
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for (uint8_t y = 0; y < MAX7219_Y_LEDS; y++)
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CLR_LED_7219(col, MAX7219_Y_LEDS - y - 1);
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for (uint8_t y = 0; y < MAX7219_Y_LEDS; y++) CLR_7219(col, y);
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send_column(col);
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}
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@ -293,13 +289,10 @@ void Max7219::clear_column(const uint8_t col) {
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*/
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void Max7219::set_row(const uint8_t row, const uint32_t val) {
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if (row >= MAX7219_Y_LEDS) return error(PSTR("set_row"), row);
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uint32_t mask = 0x0000001;
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uint32_t mask = _BV32(MAX7219_X_LEDS - 1);
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for (uint8_t x = 0; x < MAX7219_X_LEDS; x++) {
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if (val & mask)
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SET_LED_7219(MAX7219_X_LEDS - 1 - x, row);
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else
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CLR_LED_7219(MAX7219_X_LEDS - 1 - x, row);
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mask <<= 1;
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if (val & mask) SET_7219(x, row); else CLR_7219(x, row);
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mask >>= 1;
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}
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send_row(row);
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}
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@ -311,13 +304,10 @@ void Max7219::set_row(const uint8_t row, const uint32_t val) {
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*/
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void Max7219::set_column(const uint8_t col, const uint32_t val) {
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if (col >= MAX7219_X_LEDS) return error(PSTR("set_column"), col);
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uint32_t mask = 0x0000001;
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uint32_t mask = _BV32(MAX7219_Y_LEDS - 1);
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for (uint8_t y = 0; y < MAX7219_Y_LEDS; y++) {
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if (val & mask)
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SET_LED_7219(col, MAX7219_Y_LEDS - y - 1);
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else
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CLR_LED_7219(col, MAX7219_Y_LEDS - y - 1);
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mask <<= 1;
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if (val & mask) SET_7219(col, y); else CLR_7219(col, y);
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mask >>= 1;
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}
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send_column(col);
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}
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@ -378,8 +368,8 @@ void Max7219::set_columns_32bits(const uint8_t x, uint32_t val) {
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#endif
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}
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// Initialize the Max7219
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void Max7219::register_setup() {
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// Initialize the Max7219
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for (uint8_t i = 0; i < MAX7219_NUMBER_UNITS; i++)
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send(max7219_reg_scanLimit, 0x07);
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pulse_load(); // tell the chips to load the clocked out data
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@ -31,7 +31,7 @@
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* #define MAX7219_DIN_PIN 78
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* #define MAX7219_LOAD_PIN 79
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*
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* Max7219_init() is called automatically at startup, and then there are a number of
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* max7219.init() is called automatically at startup, and then there are a number of
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* support functions available to control the LEDs in the 8x8 grid.
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*
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* If you are using the Max7219 matrix for firmware debug purposes in time sensitive
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@ -47,14 +47,14 @@
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#endif
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#define _ROT ((MAX7219_ROTATE + 360) % 360)
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#define MAX7219_ROWS (8 * (MAX7219_NUMBER_UNITS))
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#define MAX7219_LINES (8 * (MAX7219_NUMBER_UNITS))
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#if _ROT == 0 || _ROT == 180
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#define MAX7219_Y_LEDS 8
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#define MAX7219_X_LEDS MAX7219_ROWS
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#define MAX7219_X_LEDS MAX7219_LINES
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#elif _ROT == 90 || _ROT == 270
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#define MAX7219_X_LEDS 8
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#define MAX7219_Y_LEDS MAX7219_ROWS
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#define MAX7219_Y_LEDS MAX7219_LINES
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#else
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#error "MAX7219_ROTATE must be a multiple of +/- 90°."
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#endif
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@ -80,7 +80,7 @@
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class Max7219 {
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public:
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static uint8_t led_line[MAX7219_ROWS];
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static uint8_t led_line[MAX7219_LINES];
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Max7219() { }
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@ -93,13 +93,13 @@ public:
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static void send(const uint8_t reg, const uint8_t data);
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// Refresh all units
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inline static void refresh() { for (uint8_t i = 0; i < 8; i++) all(i); }
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inline static void refresh() { for (uint8_t i = 0; i < 8; i++) refresh_line(i); }
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// Update a single native row on all units
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static void all(const uint8_t line);
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// Update a single native line on all units
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static void refresh_line(const uint8_t line);
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// Update a single native row on the target unit
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static void one(const uint8_t line);
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// Update a single native line on just one unit
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static void refresh_unit_line(const uint8_t line);
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// Set a single LED by XY coordinate
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static void led_set(const uint8_t x, const uint8_t y, const bool on);
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@ -126,6 +126,9 @@ public:
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// Quickly clear the whole matrix
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static void clear();
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// Quickly fill the whole matrix
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static void fill();
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// Apply custom code to update the matrix
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static void idle_tasks();
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@ -43,13 +43,11 @@
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*/
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void GcodeSuite::M7219() {
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if (parser.seen('I')) {
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max7219.clear();
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max7219.register_setup();
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max7219.clear();
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}
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if (parser.seen('F'))
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for (uint8_t x = 0; x < MAX7219_X_LEDS; x++)
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max7219.set_column(x, 0xFFFFFFFF);
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if (parser.seen('F')) max7219.fill();
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const uint32_t v = parser.ulongval('V');
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@ -69,18 +67,18 @@ void GcodeSuite::M7219() {
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max7219.led_toggle(x, y);
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}
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else if (parser.seen('D')) {
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const uint8_t r = parser.value_byte();
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if (r < MAX7219_ROWS) {
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max7219.led_line[r] = v;
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return max7219.all(r);
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const uint8_t line = parser.byteval('D') + (parser.byteval('U') << 3);
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if (line < MAX7219_LINES) {
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max7219.led_line[line] = v;
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return max7219.refresh_line(line);
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}
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}
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if (parser.seen('P')) {
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for (uint8_t r = 0; r < MAX7219_ROWS; r++) {
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for (uint8_t r = 0; r < MAX7219_LINES; r++) {
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SERIAL_ECHOPGM("led_line[");
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if (r < 10) SERIAL_CHAR('_');
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SERIAL_ECHO(r);
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if (r < 10) SERIAL_CHAR(' ');
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SERIAL_ECHO(int(r));
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SERIAL_ECHO("]=");
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for (uint8_t b = 8; b--;) SERIAL_CHAR('0' + TEST(max7219.led_line[r], b));
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SERIAL_EOL();
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