36 lines
1.3 KiB
Java
36 lines
1.3 KiB
Java
package it.cavallium.warppi.device.chip;
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import it.cavallium.warppi.WarpPI;
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public class ParallelToSerial {
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private final int SH_LD;
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private final int CLK_INH;
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private final int QH;
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private final int CLK;
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public ParallelToSerial(final int SH_LD_pin, final int CLK_INH_pin, final int QH_pin, final int CLK_pin) {
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SH_LD = SH_LD_pin;
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CLK_INH = CLK_INH_pin;
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QH = QH_pin;
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CLK = CLK_pin;
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}
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public boolean[] read() {
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final boolean[] data = new boolean[8];
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WarpPI.getPlatform().getGpio().digitalWrite(CLK_INH, WarpPI.getPlatform().getGpio().valueHigh());
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WarpPI.getPlatform().getGpio().digitalWrite(SH_LD, WarpPI.getPlatform().getGpio().valueLow());
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WarpPI.getPlatform().getGpio().delayMicroseconds(1);
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WarpPI.getPlatform().getGpio().digitalWrite(SH_LD, WarpPI.getPlatform().getGpio().valueHigh());
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WarpPI.getPlatform().getGpio().digitalWrite(CLK_INH, WarpPI.getPlatform().getGpio().valueLow());
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for (int i = 7; i >= 0; i--) {
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WarpPI.getPlatform().getGpio().digitalWrite(CLK, WarpPI.getPlatform().getGpio().valueHigh());
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WarpPI.getPlatform().getGpio().digitalWrite(CLK, WarpPI.getPlatform().getGpio().valueLow());
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data[i] = WarpPI.getPlatform().getGpio().digitalRead(QH) == WarpPI.getPlatform().getGpio().valueHigh() ? true : false;
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}
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return data;
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}
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}
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