From bda9f4d211587f14d7981c48adc3d41801e68adc Mon Sep 17 00:00:00 2001 From: Petre Eftime Date: Wed, 30 Sep 2015 13:22:47 +0300 Subject: [PATCH] examples/java: Port examples containing [Interesting] tag from C/C++ Signed-off-by: Petre Eftime Signed-off-by: Brendan Le Foll --- examples/java/AioA0.java | 45 +++++++++++ examples/java/BlinkIO.java | 72 ++++++++++++++++++ examples/java/GpioMmapped.java | 60 +++++++++++++++ examples/java/HelloEdison.java | 73 ++++++++++++++++++ examples/java/I2cCompass.java | 135 +++++++++++++++++++++++++++++++++ examples/java/SpiMAX7219.java | 93 +++++++++++++++++++++++ examples/java/SpiMCP4261.java | 64 ++++++++++++++++ examples/java/UartExample.java | 56 ++++++++++++++ 8 files changed, 598 insertions(+) create mode 100644 examples/java/AioA0.java create mode 100644 examples/java/BlinkIO.java create mode 100644 examples/java/GpioMmapped.java create mode 100644 examples/java/HelloEdison.java create mode 100644 examples/java/I2cCompass.java create mode 100644 examples/java/SpiMAX7219.java create mode 100644 examples/java/SpiMCP4261.java create mode 100644 examples/java/UartExample.java diff --git a/examples/java/AioA0.java b/examples/java/AioA0.java new file mode 100644 index 0000000..6b52bc4 --- /dev/null +++ b/examples/java/AioA0.java @@ -0,0 +1,45 @@ +/* + * Author: Nandkishor Sonar + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +//! [Interesting] +import mraa.Aio; + +public class AioA0 { + + public static void main(String[] args) { + Aio a0 = new Aio(0); + + while (true) { + int adc_value = a0.read(); + float adc_value_float = a0.readFloat(); + System.out.println(String.format("ADC A0 read %X - %d", adc_value, adc_value)); + System.out.println(String.format("ADC A0 read %.5f", adc_value_float)); + } + + } +} +//! [Interesting] \ No newline at end of file diff --git a/examples/java/BlinkIO.java b/examples/java/BlinkIO.java new file mode 100644 index 0000000..0e9209d --- /dev/null +++ b/examples/java/BlinkIO.java @@ -0,0 +1,72 @@ +/* + * Author: Brendan Le Foll + * Author: Thomas Ingleby + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +import mraa.Dir; +import mraa.Gpio; +import mraa.Result; +import mraa.mraa; + +public class BlinkIO { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + + final static int DEFAULT_IOPIN = 8; + + public static void main(String argv[]) throws InterruptedException { + int iopin = DEFAULT_IOPIN; + if (argv.length == 0) { + System.out.println("Provide an int arg if you want to flash on something other than " + DEFAULT_IOPIN); + } else { + iopin = Integer.valueOf(argv[0], DEFAULT_IOPIN); + } + + //! [Interesting] + Gpio gpio = new Gpio(iopin); + Result result = gpio.dir(Dir.DIR_OUT); + if (result != Result.SUCCESS) { + mraa.printError(result); + System.exit(1); + } + + while (true) { + gpio.write(1); + Thread.sleep(1000); + gpio.write(0); + Thread.sleep(1000); + } + //! [Interesting] + } +} \ No newline at end of file diff --git a/examples/java/GpioMmapped.java b/examples/java/GpioMmapped.java new file mode 100644 index 0000000..c780a4e --- /dev/null +++ b/examples/java/GpioMmapped.java @@ -0,0 +1,60 @@ +/* + * Author: Thomas Ingleby + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +import mraa.Gpio; +import mraa.mraa; + +public class GpioMmapped { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + public static void main(String argv[]) throws InterruptedException { + //! [Interesting] + String board = mraa.getPlatformName(); + String version = mraa.getVersion(); + System.out.println("hello mraa"); + System.out.println(String.format("Version: %s", version)); + + Gpio gpio = new Gpio(1); + + gpio.useMmap(true); + + while (true) { + gpio.write(1); + Thread.sleep(50); + gpio.write(0); + Thread.sleep(50); + } + //! [Interesting] + }; +} diff --git a/examples/java/HelloEdison.java b/examples/java/HelloEdison.java new file mode 100644 index 0000000..c6eec43 --- /dev/null +++ b/examples/java/HelloEdison.java @@ -0,0 +1,73 @@ +/* + * Author: Brendan Le Foll + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +//! [Interesting] +import mraa.Dir; +import mraa.Gpio; +import mraa.IntelEdison; +import mraa.mraa; +import mraa.Platform; +import mraa.Result; + +public class HelloEdison { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + public static void main(String argv[]) { + Platform platform = mraa.getPlatformType(); + + if (platform != Platform.INTEL_EDISON_FAB_C) { + System.err.println("Error: This program can only be run on edison"); + System.exit(Result.ERROR_INVALID_PLATFORM.swigValue()); + } + + /* + * MRAA_INTEL_EDISON_GP182 == 0, so this will initialise pin0 on arduino, + * which is hardware GPIO 130 and not 182 + * We set the owner to false here, this makes sure that we do not close the + * gpio from sysfs in mraa_gpio_close meaning it will stay as an output and + * we will not always transition from 0->1 as gpio182 as output has the + * default position of '0'. Note that the value could change as a result of + * a mraa_gpio_dir however meaning we always go from 0->1 or 1->0 + */ + Gpio gpio182 = new Gpio(IntelEdison.INTEL_EDISON_GP182.swigValue(), false); + gpio182.dir(Dir.DIR_OUT); + + int val = gpio182.read(); + + System.out.println(String.format("GPIO%d (mraa pin %d) was: %d, will set to %d\n", 182, + gpio182.getPin(), val, val == 0 ? 1 : 0)); + + gpio182.write(val == 0 ? 1 : 0); + }; +} +//! [Interesting] diff --git a/examples/java/I2cCompass.java b/examples/java/I2cCompass.java new file mode 100644 index 0000000..6bcebdb --- /dev/null +++ b/examples/java/I2cCompass.java @@ -0,0 +1,135 @@ +/* + * Author: Brendan Le Foll + * Author: Thomas Ingleby + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +import mraa.I2c; + +public class I2cCompass { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + + final static byte MAX_BUFFER_LENGTH = 6; + final static byte CONF_BUFFER_LENGTH = 2; + final static short HMC5883L_I2C_ADDR = 0x1E; + + // configuration registers + final static byte HMC5883L_CONF_REG_A = 0x00; + final static byte HMC5883L_CONF_REG_B = 0x01; + + // mode register + final static byte HMC5883L_MODE_REG = 0x02; + + // data register + final static byte HMC5883L_X_MSB_REG = 0; + final static byte HMC5883L_X_LSB_REG = 1; + final static byte HMC5883L_Z_MSB_REG = 2; + final static byte HMC5883L_Z_LSB_REG = 3; + final static byte HMC5883L_Y_MSB_REG = 4; + final static byte HMC5883L_Y_LSB_REG = 5; + final static byte DATA_REG_SIZE = 6; + + // status register + final static byte HMC5883L_STATUS_REG = 0x09; + + // ID registers + final static byte HMC5883L_ID_A_REG = 0x0A; + final static byte HMC5883L_ID_B_REG = 0x0B; + final static byte HMC5883L_ID_C_REG = 0x0C; + + final static byte HMC5883L_CONT_MODE = 0x00; + final static byte HMC5883L_DATA_REG = 0x03; + + // scales + final static byte GA_0_88_REG = ((byte) (0x00 << 5)); + final static byte GA_1_3_REG = ((byte) (0x01 << 5)); + final static byte GA_1_9_REG = ((byte) (0x02 << 5)); + final static byte GA_2_5_REG = ((byte) (0x03 << 5)); + final static byte GA_4_0_REG = ((byte) (0x04 << 5)); + final static byte GA_4_7_REG = ((byte) (0x05 << 5)); + final static byte GA_5_6_REG = ((byte) (0x06 << 5)); + final static byte GA_8_1_REG = ((byte) (0x07 << 5)); + + // digital resolutions + final static float SCALE_0_73_MG = 0.73f; + final static float SCALE_0_92_MG = 0.92f; + final static float SCALE_1_22_MG = 1.22f; + final static float SCALE_1_52_MG = 1.52f; + final static float SCALE_2_27_MG = 2.27f; + final static float SCALE_2_56_MG = 2.56f; + final static float SCALE_3_03_MG = 3.03f; + final static float SCALE_4_35_MG = 4.35f; + + public static void main(String[] args) throws InterruptedException { + float direction = 0; + int x, y, z; + byte[] rx_tx_buf = new byte[MAX_BUFFER_LENGTH]; + byte[] conf_buf = new byte[CONF_BUFFER_LENGTH]; + + //! [Interesting] + I2c i2c = new I2c(0); + + i2c.address(HMC5883L_I2C_ADDR); + conf_buf[0] = HMC5883L_CONF_REG_B; + conf_buf[1] = GA_1_3_REG; + i2c.write(conf_buf); + //! [Interesting] + + i2c.address(HMC5883L_I2C_ADDR); + conf_buf[0] = HMC5883L_MODE_REG; + conf_buf[1] = HMC5883L_CONT_MODE; + i2c.write(conf_buf); + + while (true) { + i2c.address(HMC5883L_I2C_ADDR); + i2c.writeByte(HMC5883L_DATA_REG); + + i2c.address(HMC5883L_I2C_ADDR); + i2c.read(rx_tx_buf); + + x = (rx_tx_buf[HMC5883L_X_MSB_REG] << 8) | rx_tx_buf[HMC5883L_X_LSB_REG]; + z = (rx_tx_buf[HMC5883L_Z_MSB_REG] << 8) | rx_tx_buf[HMC5883L_Z_LSB_REG]; + y = (rx_tx_buf[HMC5883L_Y_MSB_REG] << 8) | rx_tx_buf[HMC5883L_Y_LSB_REG]; + + direction = (float) Math.atan2(y * SCALE_0_92_MG, x * SCALE_0_92_MG); + + if (direction < 0) + direction += 2 * Math.PI; + + System.out.println(String.format("Compass scaled data x : %f, y : %f, z : %f\n", x * SCALE_0_92_MG, y * SCALE_0_92_MG, + z * SCALE_0_92_MG)); + System.out.println(String.format("Heading : %f\n", direction * 180 / Math.PI)); + Thread.sleep(1000); + } + } +} diff --git a/examples/java/SpiMAX7219.java b/examples/java/SpiMAX7219.java new file mode 100644 index 0000000..0899a85 --- /dev/null +++ b/examples/java/SpiMAX7219.java @@ -0,0 +1,93 @@ +/* + * Author: Michael Ring + * Author: Thomas Ingleby + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +import java.nio.ByteBuffer; +import mraa.Result; +import mraa.Spi; + +public class SpiMAX7219 { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + public static void main(String argv[]) throws InterruptedException { + //! [Interesting] + Spi spi = new Spi(1); + + spi.frequency(400000); + spi.lsbmode(false); + + if(spi.bitPerWord(16) != Result.SUCCESS) { + System.err.println("Could not set SPI Device to 16Bit mode, exit..."); + System.exit(1); + } + + spi.write_word(0x0900); //Do not decode bits + spi.write_word(0x0a05); // Brightness of LEDs + spi.write_word(0x0b07); // Show all Scan Lines + spi.write_word(0x0c01); // Display on + spi.write_word(0x0f00); // Testmode off + + short dataAA55[] = { 0x01aa, 0x0255, 0x03aa, 0x0455, 0x05aa, 0x0655, 0x07aa, 0x0855 }; + ByteBuffer buf = ByteBuffer.allocate(dataAA55.length * 2); + for (int i = 0; i < dataAA55.length; i++) + buf.putShort(dataAA55[i]); + + spi.write(buf.array()); + Thread.sleep(2000); + + short data55AA[] = { 0x0155, 0x02aa, 0x0355, 0x04aa, 0x0555, 0x06aa, 0x0755, 0x08aa }; + buf = ByteBuffer.allocate(data55AA.length * 2); + for (int i = 0; i < data55AA.length; i++) + buf.putShort(data55AA[i]); + + spi.write(buf.array()); + Thread.sleep(2000); + + short data[] = { 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600, 0x0700, 0x0800 }; + buf = ByteBuffer.allocate(data.length * 2); + for (int i = 0; i < data.length; i++) + buf.putShort(data[i]); + + spi.write(buf.array()); + + for (int i = 1; i <= 8; i++) { + for (int j = 0; j < 8; j++) { + spi.write_word((i << 8) + (1 << j)); + Thread.sleep(1000); + } + spi.write_word(i << 8); + } + //! [Interesting] + }; +} diff --git a/examples/java/SpiMCP4261.java b/examples/java/SpiMCP4261.java new file mode 100644 index 0000000..7ebda57 --- /dev/null +++ b/examples/java/SpiMCP4261.java @@ -0,0 +1,64 @@ +/* + * Author: Alexander Komarov + * Copyright (c) 2014 Intel Corporation. + * Author: Petre Eftime + * Copyright (c) 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +import mraa.Spi; + +public class SpiMCP4261 { + static { + try { + System.loadLibrary("mraajava"); + } catch (UnsatisfiedLinkError e) { + System.err.println( + "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + + e); + System.exit(1); + } + } + public static void main(String argv[]) throws InterruptedException { + //! [Interesting] + Spi spi = new Spi(0); + + System.out.println("Hello, SPI initialised"); + byte data[] = {0x00, 100}; + while (true) { + for (int i = 90; i < 130; i++) { + data[1] = (byte) i; + byte[] recv = spi.write(data); + System.out.println(String.format("Writing - %d", i)); + System.out.println(String.format("Received - %d - %d", recv[0], recv[1])); + Thread.sleep(100); + } + for (int i = 130; i > 90; i--) { + data[1] = (byte) i; + byte[] recv = spi.write(data); + System.out.println(String.format("Writing - %d", i)); + System.out.println(String.format("Received - %d - %d", recv[0], recv[1])); + Thread.sleep(100); + } + } + //! [Interesting] + }; +} diff --git a/examples/java/UartExample.java b/examples/java/UartExample.java new file mode 100644 index 0000000..5370a82 --- /dev/null +++ b/examples/java/UartExample.java @@ -0,0 +1,56 @@ +/* + * Author: Thomas Ingleby + * Author: Brendan Le Foll + * Author: Petre Eftime + * Copyright (c) 2014, 2015 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +import mraa.Result; +import mraa.Uart; +import mraa.UartParity; + +public class UartExample { + + public static void main(String[] args) { + //! [Interesting] + Uart uart = new Uart(0); + + if (uart.setBaudRate(115200) != Result.SUCCESS) { + System.err.println("Error setting baud rate"); + System.exit(1); + } + + if (uart.setMode(8, UartParity.UART_PARITY_NONE, 1) != Result.SUCCESS) { + System.err.println("Error setting mode"); + System.exit(1); + } + + if (uart.setFlowcontrol(false, false) != Result.SUCCESS) { + System.err.println("Error setting flow control"); + System.exit(1); + } + + uart.writeStr("Hello monkeys"); + //! [Interesting] + } +} \ No newline at end of file