[examples] Update NRF24 examples

examples/README.md

@@ -94,7 +94,7 @@ make gdb
 
 ## Interesting Examples
 
-We have a lot of examples, <!--examplecount-->191<!--/examplecount--> to be
+We have a lot of examples, <!--examplecount-->190<!--/examplecount--> to be
 exact, but here are some of our favorite examples for our supported development
 boards:
 

examples/nucleo_f411re/radio/lbuild.xml

@@ -0,0 +1,10 @@
+<library>
+  <extends>modm:nucleo-f411re</extends>
+  <modules>
+    <module>modm:driver:nrf24</module>
+    <module>modm:platform:spi:2</module>
+    <module>modm:platform:spi:3</module>
+    <module>modm:platform:timer:2</module>
+    <module>modm:processing:timer</module>
+  </modules>
+</library>

examples/nucleo_f411re/radio/nrf24-basic-comm/main.cpp

@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2014, Daniel Krebs
+ * Copyright (c) 2014, 2017, Sascha Schade
+ * Copyright (c) 2014-2019, Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+// ----------------------------------------------------------------------------
+
+#include "../radio.hpp"
+
+/*
+ * Basic communication with least config possible
+ *
+ * In this example one module is configured as primary tx, so it will just send
+ * packets and never receive anything. The second module is configured as
+ * primary rx, so it will only receive packets.
+ */
+
+using Register = Nrf1Phy::NrfRegister;
+using Status = Nrf1Phy::Status;
+using Pipe = Nrf1Phy::Pipe;
+using Config = Nrf1Phy::Config;
+using FifoStatus = Nrf1Phy::FifoStatus;
+
+int main()
+{
+	Board::initialize();
+	MODM_LOG_INFO << "Hello from nrf24-basic-comm example" << modm::endl;
+
+	/* Configuration values for nRF24 */
+	/* Use channel 2400 + 60 MHz = 2460 MHz */
+	constexpr const uint8_t rf_channel = 60;
+
+	/* 4 byte payload length */
+	constexpr const uint8_t payload_length = 4;
+
+	/* Address for ptx module. Not used here because ptx won't receive packets */
+	// constexpr const uint64_t ptx_address = 0xB3B4B5B605;
+	constexpr const uint64_t prx_address = 0xB3B4B5B607;
+
+	/* Dummy payload */
+	uint8_t payload[payload_length] = {
+		0xaa,
+		0xbb,
+		0xcc,
+		0xdd
+	};
+
+	initializeSpi();
+
+	Nrf1Ce::set();
+	Nrf2Ce::set();
+
+	// Initialize nRF24-HAL
+	Nrf1Phy::initialize(payload_length);
+	Nrf2Phy::initialize(payload_length);
+
+	/* set RF channel */
+	Nrf1Phy::writeRegister(Register::RF_CH, rf_channel);
+	Nrf2Phy::writeRegister(Register::RF_CH, rf_channel);
+
+	/* Set payload length for pipe 1 on receiver */
+	Nrf2Phy::writeRegister(Register::RX_PW_P1, payload_length);
+
+	/* Set tx address of ptx device to prx's address and also set
+	 * receive pipe 0 to the same address to receive ACK packets
+	 * from prx.
+	 */
+	Nrf1Phy::setTxAddress(prx_address);
+	Nrf1Phy::setRxAddress(Pipe::PIPE_0, prx_address);
+
+	/* Set receive pipe 1 of prx device to receive packets from ptx */
+	Nrf2Phy::setRxAddress(Pipe::PIPE_1, prx_address);
+
+	/* Configure ptx as primary sender and power up */
+	Nrf1Phy::clearBits(Register::CONFIG, Config::PRIM_RX);
+	Nrf1Phy::setBits(Register::CONFIG, Config::PWR_UP);
+
+	/* Configure prx as primary receiver and power up*/
+	Nrf2Phy::setBits(Register::CONFIG, Config::PRIM_RX);
+	Nrf2Phy::setBits(Register::CONFIG, Config::PWR_UP);
+
+
+	/* Timer to send packets every 1000ms */
+	modm::ShortPeriodicTimer sendPacket(1000);
+
+	/* Buffer for received payload */
+	uint8_t received_data[payload_length];
+
+	while (true)
+	{
+		// ------------------------- Primary sender ---------------------------
+
+		/* Send packet every 1000ms */
+		if(sendPacket.execute())
+		{
+			/* Copy packet into ptx device. Because CE is always high here, the
+			 * packet will be transmitted immediately
+			 */
+			Nrf1Phy::writeTxPayload(payload, payload_length);
+			payload[0]++;
+
+			Board::LedD13::toggle();
+		}
+
+		/* Check if packet was sent successfully  */
+		if(Nrf1Phy::readStatus() & ((uint8_t)Status::TX_DS | (uint8_t)Status::MAX_RT))
+		{
+			if(Nrf1Phy::readStatus() & (uint8_t)Status::MAX_RT)
+			{
+				MODM_LOG_INFO.printf("Packet lost, MAX_RT reached\n");
+				MODM_LOG_INFO.printf("  Status: %x\n", Nrf1Phy::readStatus());
+				Nrf1Phy::setBits(Register::STATUS, Status::MAX_RT);
+				MODM_LOG_INFO.printf("  Status: %x\n", Nrf1Phy::readStatus());
+			} else
+			{
+				MODM_LOG_INFO.printf("Packet successfully sent\n");
+				Nrf1Phy::setBits(Register::STATUS, Status::TX_DS);
+			}
+
+			Board::LedD13::toggle();
+		}
+
+
+		// ----------------------- Primary receiver ---------------------------
+
+		/* Check for received bytes */
+		if( (!(Nrf2Phy::readRegister(Register::FIFO_STATUS) & (uint8_t)FifoStatus::RX_EMPTY)) || (Nrf2Phy::readStatus() & ((uint8_t)Status::RX_DR)))
+		{
+			uint8_t pl = 0;
+
+			/* Read payload of received packet */
+			pl = Nrf2Phy::readRxPayload(received_data);
+
+			/* Clear RX_DR flag after payload is read */
+			Nrf2Phy::setBits(Register::STATUS, Status::RX_DR);
+
+			MODM_LOG_INFO.printf("Received packet, pl=%d, data: %x %x %x %x\n", pl, received_data[3], received_data[2], received_data[1], received_data[0]);
+
+			Board::LedD13::toggle();
+		}
+	}
+
+	return 0;
+}

examples/nucleo_f411re/radio/nrf24-basic-comm/project.xml

@@ -0,0 +1,8 @@
+<library>
+  <options>
+    <option name="modm:build:build.path">../../../../build/stm32f4_discovery/radio/nrf24-basic-comm</option>
+  </options>
+  <modules>
+    <module>modm:build:scons</module>
+  </modules>
+</library>

examples/nucleo_f411re/radio/nrf24-data/main.cpp

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2015, Daniel Krebs
+ * Copyright (c) 2015, 2017, Sascha Schade
+ * Copyright (c) 2015-2019, Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+// ----------------------------------------------------------------------------
+
+#include "../radio.hpp"
+
+// This example showcases a simple usage of the data layer implementation for
+// the nRF24L01+ radio modules.
+
+int main()
+{
+	Board::initialize();
+	MODM_LOG_INFO << "Hello from nrf24-data example" << modm::endl;
+
+	initializeNrf();
+
+	while (true)
+	{
+		Nrf1Data::update();
+		Nrf2Data::update();
+
+		static modm::PeriodicTimer sendTimer{1000};
+		if (Nrf1Data::Packet packet; sendTimer.execute())
+		{
+			static uint8_t counter{0};
+			packet.setDestination(0x20);
+			packet.payload[0] = counter++;
+			Nrf1Data::sendPacket(packet);
+			MODM_LOG_INFO << "Sending packet " << counter << " to " << packet.getDestination() << modm::endl;
+		}
+
+		if (Nrf2Data::Packet packet; Nrf2Data::getPacket(packet))
+		{
+			MODM_LOG_INFO << "Receiving packet " << packet.payload[0] << " from " << packet.getSource() << modm::endl;
+		}
+	}
+
+	return 0;
+}

examples/nucleo_f411re/radio/nrf24-data/project.xml

@@ -0,0 +1,8 @@
+<library>
+  <options>
+    <option name="modm:build:build.path">../../../../../build/stm32f4_discovery/radio/nrf24-data</option>
+  </options>
+  <modules>
+    <module>modm:build:scons</module>
+  </modules>
+</library>

examples/nucleo_f411re/radio/nrf24-phy-test/main.cpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2014, Daniel Krebs
+ * Copyright (c) 2014, 2017, Sascha Schade
+ * Copyright (c) 2014-2017, 2019, Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+// ----------------------------------------------------------------------------
+
+#include "../radio.hpp"
+
+template< class Phy >
+void
+test()
+{
+	Phy::setRxAddress(Phy::Pipe::PIPE_0, 0xdeadb33f05);
+	uint64_t addr = Phy::getRxAddress(Phy::Pipe::PIPE_0);
+	MODM_LOG_INFO.printf("Setting RX_P0 address to:  0xdeadb33f05\n");
+	MODM_LOG_INFO.printf("Reading RX_P0 address:     0x%" PRIx32 "%" PRIx32 "\n",
+	                     uint32_t((addr >> 32) & 0xffffffff),
+	                     uint32_t(addr & 0xffffffff));
+
+	Phy::setTxAddress(0xabcdef55ff);
+	addr = Phy::getTxAddress();
+	MODM_LOG_INFO.printf("Setting TX address to:     0xabcdef55ff\n");
+	MODM_LOG_INFO.printf("Reading TX address:        0x%" PRIx32 "%" PRIx32 "\n",
+	                     uint32_t((addr >> 32) & 0xffffffff),
+	                     uint32_t(addr & 0xffffffff));
+
+	uint8_t rf_ch = Phy::readRegister(Phy::NrfRegister::RF_CH);
+	MODM_LOG_INFO.printf("Expected output for RF_CH: 0x2\n");
+	MODM_LOG_INFO.printf("Reading RF_CH:             0x%" PRIx8 "\n\n", rf_ch);
+}
+
+// Test SPI communication by writing and reading out registers on the
+// nRF24L01+ module.
+int main()
+{
+	Board::initialize();
+	MODM_LOG_INFO << "Hello from nRF24-phy-test example" << modm::endl;
+
+	initializeSpi();
+
+	while (true)
+	{
+		MODM_LOG_INFO << "Testing PHY1" << modm::endl;
+		test<Nrf1Phy>();
+
+		MODM_LOG_INFO << "Testing PHY2" << modm::endl;
+		test<Nrf2Phy>();
+
+		modm::delayMilliseconds(1000);
+	}
+
+	return 0;
+}

examples/nucleo_f411re/radio/nrf24-phy-test/project.xml

@@ -0,0 +1,8 @@
+<library>
+  <options>
+    <option name="modm:build:build.path">../../../../build/nucleo_f411re/radio/nrf24-phy-test</option>
+  </options>
+  <modules>
+    <module>modm:build:scons</module>
+  </modules>
+</library>