| // 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_spi_rp2040/initiator.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include "hardware/spi.h" |
| #include "pw_digital_io/polarity.h" |
| #include "pw_digital_io_rp2040/digital_io.h" |
| #include "pw_spi/chip_selector_digital_out.h" |
| #include "pw_spi/device.h" |
| #include "pw_sync/borrow.h" |
| #include "pw_sync/mutex.h" |
| |
| using pw::spi::DigitalOutChipSelector; |
| using pw::spi::Initiator; |
| using pw::spi::Rp2040Initiator; |
| |
| namespace pw::spi { |
| namespace { |
| |
| constexpr pw::spi::Config kSpiConfig8Bit{ |
| .polarity = pw::spi::ClockPolarity::kActiveHigh, |
| .phase = pw::spi::ClockPhase::kFallingEdge, |
| .bits_per_word = pw::spi::BitsPerWord(8), |
| .bit_order = pw::spi::BitOrder::kMsbFirst, |
| }; |
| |
| TEST(InitiatorTest, Init) { |
| // Simple test only meant to ensure module is compiled. |
| pw::digital_io::Rp2040DigitalInOut display_cs_pin({ |
| .pin = 12, |
| .polarity = pw::digital_io::Polarity::kActiveLow, |
| }); |
| DigitalOutChipSelector spi_chip_selector(display_cs_pin); |
| Rp2040Initiator spi_initiator(spi0); |
| |
| pw::sync::VirtualMutex initiator_mutex; |
| pw::sync::Borrowable<pw::spi::Initiator> borrowable_initiator( |
| spi_initiator, initiator_mutex); |
| pw::spi::Device spi_8_bit( |
| borrowable_initiator, kSpiConfig8Bit, spi_chip_selector); |
| } |
| |
| } // namespace |
| } // namespace pw::spi |