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I/O: Fix PWM filenames

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This commit is contained in:
gohai
2015-10-19 20:13:18 +02:00
parent 3905200c57
commit 5c5d0ce8d8
1 changed files with 4 additions and 4 deletions
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java/libraries/io/src/processing/io/PWM.java
+4 -4
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@@ -89,7 +89,7 @@ public class PWM {
* @webref
*/
public void clear() {
String fn = String.format("/sys/class/pwm/%s/gpio%d/enable", chip, channel);
String fn = String.format("/sys/class/pwm/%s/pwm%d/enable", chip, channel);
int ret = NativeInterface.writeFile(fn, "0");
if (ret < 0) {
throw new RuntimeException(NativeInterface.getError(ret));
@@ -156,14 +156,14 @@ public class PWM {
*/
public void set(int period, float duty) {
// set period
String fn = fn = String.format("/sys/class/pwm/%s/gpio%d/period", chip, channel);
String fn = fn = String.format("/sys/class/pwm/%s/pwm%d/period", chip, channel);
int ret = NativeInterface.writeFile(fn, String.format("%d", (int)(1000000000 / period)));
if (ret < 0) {
throw new RuntimeException(fn + ": " + NativeInterface.getError(ret));
}
// set duty cycle
fn = fn = String.format("/sys/class/pwm/%s/gpio%d/duty", chip, channel);
fn = fn = String.format("/sys/class/pwm/%s/pwm%d/duty", chip, channel);
if (duty < 0.0 || 1.0 < duty) {
System.err.println("Duty cycle must be between 0.0 and 1.0.");
throw new IllegalArgumentException("Illegal argument");
@@ -174,7 +174,7 @@ public class PWM {
}
// enable output
fn = String.format("/sys/class/pwm/%s/gpio%d/enable", chip, channel);
fn = String.format("/sys/class/pwm/%s/pwm%d/enable", chip, channel);
ret = NativeInterface.writeFile(fn, "1");
if (ret < 0) {
throw new RuntimeException(fn + ": " + NativeInterface.getError(ret));