aboutsummaryrefslogtreecommitdiff
path: root/pw_digital_io_rp2040/digital_io.cc
diff options
context:
space:
mode:
authorXin Li <delphij@google.com>2024-01-17 22:13:58 -0800
committerXin Li <delphij@google.com>2024-01-17 22:13:58 -0800
commit28d03a2a1cabbe01d7bcb6cf5166c10e50d3c2c6 (patch)
treec1643be8ab17fc607cea748a8bb1d621a5964873 /pw_digital_io_rp2040/digital_io.cc
parentec2628a6ba2d0ecbe3ac10c8c772f6fc6acc345d (diff)
parentf054515492af5132f685cb23fe11891ee77104c9 (diff)
downloadpigweed-28d03a2a1cabbe01d7bcb6cf5166c10e50d3c2c6.tar.gz
Merge Android 24Q1 Release (ab/11220357)temp_319669529
Bug: 319669529 Merged-In: Iba357b308a79d0c8b560acd4f72b5423c9c83294 Change-Id: Icdf552029fb97a34e83c6dd7799433fc473a2506
Diffstat (limited to 'pw_digital_io_rp2040/digital_io.cc')
-rw-r--r--pw_digital_io_rp2040/digital_io.cc64
1 files changed, 64 insertions, 0 deletions
diff --git a/pw_digital_io_rp2040/digital_io.cc b/pw_digital_io_rp2040/digital_io.cc
new file mode 100644
index 000000000..b6baeb71a
--- /dev/null
+++ b/pw_digital_io_rp2040/digital_io.cc
@@ -0,0 +1,64 @@
+// Copyright 2023 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "pw_digital_io_rp2040/digital_io.h"
+
+#include "hardware/gpio.h"
+#include "pico/stdlib.h"
+#include "pw_status/status.h"
+
+namespace pw::digital_io {
+
+Rp2040DigitalIn::Rp2040DigitalIn(uint32_t pin) : pin_(pin) {}
+
+Status Rp2040DigitalIn::DoEnable(bool enable) {
+ if (!enable) {
+ gpio_deinit(pin_);
+ return OkStatus();
+ }
+
+ gpio_init(pin_);
+ gpio_set_dir(pin_, GPIO_IN);
+ return OkStatus();
+}
+
+Result<State> Rp2040DigitalIn::DoGetState() {
+ const pw::Result<State> result(State(gpio_get(pin_)));
+ return result;
+}
+
+Rp2040DigitalInOut::Rp2040DigitalInOut(uint32_t pin) : pin_(pin) {}
+
+Status Rp2040DigitalInOut::DoEnable(bool enable) {
+ if (!enable) {
+ gpio_deinit(pin_);
+ return OkStatus();
+ }
+
+ gpio_init(pin_);
+ gpio_set_dir(pin_, GPIO_OUT);
+ return OkStatus();
+}
+
+Status Rp2040DigitalInOut::DoSetState(State level) {
+ gpio_put(pin_, level == State::kActive);
+ return OkStatus();
+}
+
+Result<State> Rp2040DigitalInOut::DoGetState() {
+ const pw::Result<State> result(State(gpio_get(pin_)));
+ return result;
+}
+
+} // namespace pw::digital_io