ledbar: added ledbar module

Signed-off-by: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>

examples/CMakeLists.txt

@@ -4,11 +4,13 @@ add_executable (grovetemp grovetemp.cxx)
 add_executable (lcm-lcd lcm-lcd.cxx)
 add_executable (rgb-lcd rgb-lcd.cxx)
 add_executable (buzzer-sound buzzer-sound.cxx)
+add_executable (led-bar led-bar.cxx)
 
 include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
 include_directories (${PROJECT_SOURCE_DIR}/src/grove)
 include_directories (${PROJECT_SOURCE_DIR}/src/lcd)
 include_directories (${PROJECT_SOURCE_DIR}/src/buzzer)
+include_directories (${PROJECT_SOURCE_DIR}/src/ledbar)
 
 target_link_libraries (compass hmc5883l ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (groveled grove ${CMAKE_THREAD_LIBS_INIT})
@@ -16,3 +18,4 @@ target_link_libraries (grovetemp grove ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (lcm-lcd i2clcd ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (rgb-lcd i2clcd ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries (buzzer-sound buzzer ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (led-bar ledbar ${CMAKE_THREAD_LIBS_INIT})

examples/led-bar.cxx

@@ -0,0 +1,61 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 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.
+ */
+
+#include <unistd.h>
+#include <iostream>
+#include "my9221.h"
+#include <signal.h>
+
+int running = 0;
+
+void
+sig_handler(int signo)
+{
+	printf("got signal\n");
+    if (signo == SIGINT) {
+        printf("exiting application\n");
+        running = 1;
+    }
+}
+
+int
+main(int argc, char **argv)
+{
+    upm::MY9221 *bar = new upm::MY9221(8, 9);
+	
+	signal(SIGINT, sig_handler);
+
+	while (!running) {
+		for (int idx = 1; idx < 11; idx++) {
+			bar->setBarLevel (idx);
+			usleep(1000);
+		}
+	}
+
+	std::cout << "exiting application" << std::endl;
+
+	delete bar;
+
+    return 0;
+}

src/CMakeLists.txt

@@ -2,3 +2,4 @@ add_subdirectory (hmc5883l)
 add_subdirectory (grove)
 add_subdirectory (lcd)
 add_subdirectory (buzzer)
+add_subdirectory (ledbar)

src/ledbar/CMakeLists.txt

@@ -0,0 +1,4 @@
+set (libname "ledbar")
+add_library (ledbar SHARED my9221.cxx)
+include_directories (${MAA_INCLUDE_DIR})
+target_link_libraries (ledbar ${MAA_LIBRARIES})

src/ledbar/jsupm_my9221.i

@@ -0,0 +1,7 @@
+%module jsupm_my9221
+
+%{
+    #include "my9221.h"
+%}
+
+%include "my9221.h"

src/ledbar/my9221.cxx

@@ -0,0 +1,118 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 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.
+ */
+
+#include <iostream>
+#include <unistd.h>
+
+#include "my9221.h"
+
+using namespace upm;
+
+MY9221::MY9221 (uint8_t di, uint8_t dcki) {
+	maa_result_t error = MAA_SUCCESS;
+	maa_init();
+
+	// init clock context
+	m_clkPinCtx = maa_gpio_init(dcki);
+	if (m_clkPinCtx == NULL) {
+        fprintf(stderr, "Are you sure that pin%d you requested is valid on your platform?", dcki);
+		exit(1);
+	}
+	// init data context
+	m_dataPinCtx = maa_gpio_init(di);
+	if (m_dataPinCtx == NULL) {
+        fprintf(stderr, "Are you sure that pin%d you requested is valid on your platform?", di);
+		exit(1);
+	}
+	
+	// set direction (out)
+	error = maa_gpio_dir(m_clkPinCtx, MAA_GPIO_OUT);
+    if (error != MAA_SUCCESS) {
+        maa_result_print(error);
+    }
+
+	// set direction (out)
+	error = maa_gpio_dir(m_dataPinCtx, MAA_GPIO_OUT);
+    if (error != MAA_SUCCESS) {
+        maa_result_print(error);
+    }
+}
+
+MY9221::~MY9221() {
+	maa_result_t error = MAA_SUCCESS;
+	error = maa_gpio_close (m_dataPinCtx);
+    if (error != MAA_SUCCESS) {
+        maa_result_print(error);
+    }
+	error = maa_gpio_close (m_clkPinCtx);
+    if (error != MAA_SUCCESS) {
+        maa_result_print(error);
+    }
+}
+
+maa_result_t 
+MY9221::setBarLevel (uint8_t level) {
+	if (level > 10) {
+		return MAA_ERROR_INVALID_PARAMETER;
+	}
+
+	send16bitBlock (CMDMODE);
+	for(uint8_t block_idx = 0; block_idx < 12; block_idx++) {
+        uint32_t state = (block_idx < level) ? BIT_HIGH : BIT_LOW;
+        send16bitBlock (state);
+    }
+    lockData ();
+}
+
+maa_result_t 
+MY9221::lockData () {
+	maa_result_t error = MAA_SUCCESS;
+	error = maa_gpio_write (m_dataPinCtx, LOW);
+	usleep(100);
+	
+	for(int idx = 0; idx < 4; idx++) {
+		error = maa_gpio_write (m_dataPinCtx, HIGH);
+		error = maa_gpio_write (m_dataPinCtx, LOW);
+    }
+}
+
+maa_result_t 
+MY9221::send16bitBlock (short data) {
+	maa_result_t error = MAA_SUCCESS;
+	for (uint8_t bit_idx = 0; bit_idx < MAX_BIT_PER_BLOCK; bit_idx++) {
+		uint32_t state = (data & 0x8000) ? HIGH : LOW;
+		error = maa_gpio_write (m_dataPinCtx, state);
+		state = maa_gpio_read (m_clkPinCtx);
+
+		if (state) {
+			state = LOW;
+		} else {
+			state = HIGH;
+		}
+
+		error = maa_gpio_write (m_clkPinCtx, state);
+
+		data <<= 1;
+	}
+}

src/ledbar/my9221.h

@@ -0,0 +1,58 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 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.
+ */
+#pragma once
+
+#include <string>
+#include <maa/aio.h>
+#include <maa/gpio.h>
+
+#define MAX_BIT_PER_BLOCK 	16
+#define CMDMODE     		0x0000
+#define BIT_HIGH          	0x00ff
+#define BIT_LOW	        	0x0000
+
+#define HIGH          		1
+#define LOW	        		0
+
+namespace upm {
+
+class MY9221 {
+    public:
+		MY9221 (uint8_t di, uint8_t dcki);
+		~MY9221 ();
+		maa_result_t setBarLevel (uint8_t level);
+		std::string name()
+        {
+            return m_name;
+        }
+	private:
+		maa_result_t lockData ();
+		maa_result_t send16bitBlock (short data);
+
+		std::string m_name;
+		maa_gpio_context m_clkPinCtx;
+		maa_gpio_context m_dataPinCtx;
+};
+
+}

src/ledbar/pyupm_my9221.i

@@ -0,0 +1,8 @@
+%module pyupm_my9221
+
+%feature("autodoc", "3");
+
+%include "my9221.h"
+%{
+    #include "my9221.h"
+%}