commit 4bae4f943d61bca6461cdeaa3da8823ffbd1886a
author Vince Leung <leungv@google.com> Wed Feb 03 06:21:58 2021 +0000
committer Vince Leung <leungv@google.com> Wed Feb 17 20:16:47 2021 +0000
tree cf848f121e22d0cfb98bb1ddf8cda764660d9aa2
parent dbdfdc85c82c204c028bbfdf2270e296c9595998

vibrator: aidl: Add get f0 and get Q APIs

Add APIs to get f0, resonant frequency, and Q factor.

Bug: 178826612
Test: m and verify using idlcli
Change-Id: I834693693a91871f988504d2d9448497ef10e7fc

vibrator/aidl/default/Vibrator.cpp

diff --git a/vibrator/aidl/default/Vibrator.cpp b/vibrator/aidl/default/Vibrator.cpp
index 1021e62..bf61bfe 100644
--- a/vibrator/aidl/default/Vibrator.cpp
+++ b/vibrator/aidl/default/Vibrator.cpp
@@ -27,12 +27,16 @@
 static constexpr int32_t kComposeDelayMaxMs = 1000;
 static constexpr int32_t kComposeSizeMax = 256;
 
+static constexpr float kResonantFrequency = 150.0;
+static constexpr float kQFactor = 11.0;
+
 ndk::ScopedAStatus Vibrator::getCapabilities(int32_t* _aidl_return) {
     LOG(INFO) << "Vibrator reporting capabilities";
     *_aidl_return = IVibrator::CAP_ON_CALLBACK | IVibrator::CAP_PERFORM_CALLBACK |
                     IVibrator::CAP_AMPLITUDE_CONTROL | IVibrator::CAP_EXTERNAL_CONTROL |
                     IVibrator::CAP_EXTERNAL_AMPLITUDE_CONTROL | IVibrator::CAP_COMPOSE_EFFECTS |
-                    IVibrator::CAP_ALWAYS_ON_CONTROL;
+                    IVibrator::CAP_ALWAYS_ON_CONTROL | IVibrator::CAP_GET_RESONANT_FREQUENCY |
+                    IVibrator::CAP_GET_Q_FACTOR;
     return ndk::ScopedAStatus::ok();
 }
 
@@ -201,6 +205,16 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Vibrator::getResonantFrequency(float *resonantFreqHz) {
+    *resonantFreqHz = kResonantFrequency;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Vibrator::getQFactor(float *qFactor) {
+    *qFactor = kQFactor;
+    return ndk::ScopedAStatus::ok();
+}
+
 }  // namespace vibrator
 }  // namespace hardware
 }  // namespace android