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36 lines
886 B
JavaScript
36 lines
886 B
JavaScript
// Accelerometer on F4:
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// init - see LIS302DL_CTRL_REG1_ADDR
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SPI1.send([0x20,0b01000111], E3);
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function getAcc() {
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var accx = SPI1.send([0xA9,0], E3)[1];
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var accy = SPI1.send([0xAB,0], E3)[1];
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if (accx>127) accx-=256;
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if (accy>127) accy-=256;
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analogWrite(LED2, accx/128.0);
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analogWrite(LED4, -accx/128.0);
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analogWrite(LED1, accy/128.0);
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analogWrite(LED3, -accy/128.0);
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}
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setInterval(getAcc, 100);
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function onInit() {
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SPI1.send([0x20,0b01000111], E3);
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}
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var avrx=0.0, avry=0.0;
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function getAcc() {
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var accx = SPI1.send([0xA9,0], E3)[1];
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var accy = SPI1.send([0xAB,0], E3)[1];
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if (accx>127) accx-=256;
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if (accy>127) accy-=256;
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avrx = 0.1*accx + 0.9*avrx;
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avry = 0.1*accy + 0.9*avry;
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analogWrite(LED2, avrx/128.0);
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analogWrite(LED4, -avrx/128.0);
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analogWrite(LED1, avry/128.0);
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analogWrite(LED3, -avry/128.0);
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}
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onInit();setInterval(getAcc, 10); |