Re-introduce UART ESC driver

src/drivers/uart_esc/CMakeLists.txt

@@ -0,0 +1,44 @@
+############################################################################
+#
+#   Copyright (c) 2015 PX4 Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+px4_add_module(
+	MODULE drivers__uart_esc
+	MAIN uart_esc
+	COMPILE_FLAGS
+		-Os
+	SRCS
+		uart_esc.cpp
+		uart_esc_params.c
+	DEPENDS
+		platforms__common
+	)
+# vim: set noet ft=cmake fenc=utf-8 ff=unix : 

src/drivers/uart_esc/uart_esc_params.c

@@ -0,0 +1,113 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2015 Ramakrishna Kintada. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file uart_esc_params.c
+ *
+ * Parameters defined for the uart esc driver
+ */
+#include <px4_config.h>
+#include <systemlib/param/param.h>
+
+/**
+ * ESC model
+ *
+ * See esc_model_t enum definition in uart_esc_dev.h for all supported ESC
+ * model enum values.
+ * ESC_200QX = 0
+ * ESC_350QX = 1
+ * ESC_210QC = 2
+ *
+ * Default is 210QC
+ */
+PARAM_DEFINE_INT32(UART_ESC_MODEL, 2);
+
+/**
+ * ESC UART baud rate
+ *
+ * Default rate is 250Kbps, whic is used in off-the-shelf QRP ESC products.
+ */
+PARAM_DEFINE_INT32(UART_ESC_BAUDRATE, 250000);
+
+/**
+ * The PX4 default motor mappings are
+ *         1     4
+ * [front]
+ *         3     2
+ *
+ * The following paramters define the motor mappings in reference to the
+ * PX4 motor mapping convention.
+ */
+/**
+ * Default PX4 motor mappings
+ *         1     4
+ * [front]
+ *         3     2
+ */
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR1, 1);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR2, 2);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR3, 3);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR4, 4);
+
+/**
+ * Motor mappings for 350QX
+ *         4     3
+ * [front]
+ *         1     2
+ */
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR1, 4);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR2, 2);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR3, 1);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR4, 3);
+
+/**
+ * Motor mappings for 200QX
+ *         2     3
+ * [front]
+ *         1     4
+ */
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR1, 2);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR2, 4);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR3, 1);
+// PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR4, 3);
+
+/**
+ * Motor mappings for 210QC
+ *         4     3
+ * [front]
+ *         1     2
+ */
+PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR1, 4);
+PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR2, 2);
+PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR3, 1);
+PARAM_DEFINE_INT32(UART_ESC_PX4MOTOR4, 3);