Added C++ base components and example

common.mk

@@ -99,7 +99,7 @@ C_CXX_FLAGS     = -Wall -Werror -Wl,-EL -nostdlib -mlongcalls -mtext-section-lit
 # Flags for C only
 CFLAGS		= $(C_CXX_FLAGS) -std=gnu99
 # Flags for C++ only
-CXXFLAGS	= $(C_CXX_FLAGS) -fno-exceptions
+CXXFLAGS	= $(C_CXX_FLAGS) -fno-exceptions -fno-rtti
 LDFLAGS		= -nostdlib -Wl,--no-check-sections -Wl,-L$(BUILD_DIR)sdklib -Wl,-L$(ROOT)lib -u $(ENTRY_SYMBOL) -Wl,-static -Wl,-Map=build/${PROGRAM}.map $(EXTRA_LDFLAGS)
 
 ifeq ($(FLAVOR),debug)
@@ -177,7 +177,7 @@ IMGTOOL_ARGS=-$(IMGTOOL_FLASH_SIZE) -$(FLASH_MODE) -$(FLASH_SPEED)
 # Placing $(PROGRAM_DIR) and $(PROGRAM_DIR)include first allows
 # programs to have their own copies of header config files for components
 # , which is useful for overriding things.
-INC_DIRS      = $(PROGRAM_DIR) $(PROGRAM_DIR)include $(ROOT)include
+INC_DIRS      = $(PROGRAM_DIR) $(PROGRAM_DIR)include $(ROOT)include $(ROOT)extras
 
 ifeq ($(OWN_LIBC),1)
     INC_DIRS += $(ROOT)libc/xtensa-lx106-elf/include

examples/cpp_01_tasks/Makefile

@@ -0,0 +1,3 @@
+# Simple makefile for simple example
+PROGRAM=cpp_01_tasks
+include ../../common.mk

examples/cpp_01_tasks/main.cpp

@@ -0,0 +1,100 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#include "cplusplus/cplusplus.hpp"
+#include "thread/task.hpp"
+#include "thread/queue.hpp"
+
+#include "espressif/esp_common.h"
+
+/******************************************************************************************************************
+ * task_1_t
+ *
+ */
+class task_1_t: public esp_open_rtos::thread::task_t
+{
+public:
+    esp_open_rtos::thread::queue_t<uint32_t> queue;
+    
+private:
+    void task()
+    {
+        printf("task_1_t::task(): start\n");
+
+        uint32_t count = 0;
+
+        while(true) {
+            sleep(1000);
+            queue.post(count);
+            count++;
+        }
+    }    
+};
+/******************************************************************************************************************
+ * task_2_t
+ *
+ */
+class task_2_t: public esp_open_rtos::thread::task_t
+{
+public:
+    esp_open_rtos::thread::queue_t<uint32_t> queue;
+    
+private:
+    void task()
+    {
+        printf("task_2_t::task(): start\n");
+
+        while(true) {
+            uint32_t count;
+
+            if(queue.receive(count, 1500) == 0) {
+                printf("task_2_t::task(): got %lu\n", count);
+            } 
+            else {
+                printf("task_2_t::task(): no msg\n");
+            }
+        }
+    }    
+};
+/******************************************************************************************************************
+ * globals
+ *
+ */
+task_1_t task_1;
+task_2_t task_2;
+
+esp_open_rtos::thread::queue_t<uint32_t> MyQueue;
+
+/**
+ * 
+ */
+extern "C" void user_init(void)
+{
+	sdk_uart_div_modify(0, UART_CLK_FREQ / 115200);
+	
+    MyQueue.create(10);
+    
+    task_1.queue = MyQueue;
+    task_2.queue = MyQueue;
+    
+    task_1.task_create("tsk1");
+    task_2.task_create("tsk2");
+}

extras/cplusplus/component.mk

@@ -0,0 +1,3 @@
+# Component makefile for extras/cplusplus
+
+INC_DIRS += $(ROOT)extras

extras/cplusplus/cplusplus.hpp

@@ -0,0 +1,68 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef COM_THOLUSI_ESP_OPEN_RTOS_CPLUSPLUS_HPP
+#define	COM_THOLUSI_ESP_OPEN_RTOS_CPLUSPLUS_HPP
+
+#include <stdlib.h>
+
+/******************************************************************************************************************
+ * C++ new and delete operators
+ *
+ */
+
+/**
+ * 
+ * @param size
+ * @return 
+ */
+inline void *operator new(size_t size) 
+{
+    return malloc(size);
+}
+/**
+ * 
+ * @param size
+ * @return 
+ */
+inline void *operator new[](size_t size) 
+{
+    return malloc(size);
+}
+/**
+ * 
+ * @param ptr
+ */
+inline void operator delete(void * ptr)
+{
+    free(ptr);
+}
+/**
+ * 
+ * @param ptr
+ */
+inline void operator delete[](void * ptr) 
+{
+    free(ptr);
+}
+
+#endif	/* COM_THOLUSI_ESP_OPEN_RTOS_CPLUSPLUS_HPP */
+

extras/thread/component.mk

@@ -0,0 +1,3 @@
+# Component makefile for extras/thread
+
+INC_DIRS += $(ROOT)extras

extras/thread/mutex.hpp

@@ -0,0 +1,90 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef COM_THOLUSI_ESP_OPEN_RTOS_MUTEX_HPP
+#define	COM_THOLUSI_ESP_OPEN_RTOS_MUTEX_HPP
+
+#include "semphr.h"
+
+namespace esp_open_rtos {
+namespace thread {
+
+/******************************************************************************************************************
+ * class mutex_t
+ *
+ */
+class mutex_t
+{
+public:
+    /**
+     * 
+     */
+    inline mutex_t()
+    {
+        mutex = xSemaphoreCreateMutex();
+    }
+    /**
+     * 
+     */
+    inline ~mutex_t()
+    {
+        vQueueDelete(mutex);
+    }
+    /**
+     * 
+     * @return 
+     */
+    inline int lock()
+    {
+        return (xSemaphoreTake(mutex, portMAX_DELAY) == pdTRUE) ? 0 : -1;
+    }
+    /**
+     * 
+     * @param ms
+     * @return 
+     */
+    inline int try_lock(unsigned long ms)
+    {
+        return (xSemaphoreTake(mutex, ms / portTICK_RATE_MS) == pdTRUE) ? 0 : -1;
+    }
+    /**
+     * 
+     * @return 
+     */
+    inline int unlock()
+    {
+        return (xSemaphoreGive(mutex) == pdTRUE) ? 0 : -1;
+    }
+
+private:
+    xSemaphoreHandle    mutex;
+
+    // Disable copy construction and assignment.
+    mutex_t (const mutex_t&);
+    const mutex_t &operator = (const mutex_t&);
+};
+
+} //namespace thread {
+} //namespace esp_open_rtos {
+
+
+#endif	/* COM_THOLUSI_ESP_OPEN_RTOS_MUTEX_HPP */
+

extras/thread/queue.hpp

@@ -0,0 +1,120 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef COM_THOLUSI_ESP_OPEN_RTOS_QUEUE_HPP
+#define	COM_THOLUSI_ESP_OPEN_RTOS_QUEUE_HPP
+
+#include "FreeRTOS.h"
+#include "queue.h"
+
+namespace esp_open_rtos {
+namespace thread {
+
+/******************************************************************************************************************
+ * class queue_t
+ *
+ */
+template<class Data>
+class queue_t
+{
+public:
+    /**
+     * 
+     */
+    inline queue_t()
+    {
+        queue = 0;
+    }
+    /**
+     * 
+     * @param uxQueueLength
+     * @param uxItemSize
+     * @return 
+     */
+    inline int create(unsigned portBASE_TYPE uxQueueLength)
+    {
+        queue = xQueueCreate(uxQueueLength, sizeof(Data));
+        
+        if(queue == NULL) {
+            return -1;
+        }
+        else {
+            return 0;
+        }
+    }
+    /**
+     * 
+     * @param data
+     * @param ms
+     * @return 
+     */
+    inline void destroy()
+    {
+        vQueueDelete(queue);
+        queue = 0;
+    }
+    /**
+     * 
+     * @param data
+     * @param ms
+     * @return 
+     */
+    inline int post(const Data& data, unsigned long ms = 0)
+    {
+        return (xQueueSend(queue, &data, ms / portTICK_RATE_MS) == pdTRUE) ? 0 : -1;
+    }
+    /**
+     * 
+     * @param data
+     * @param ms
+     * @return 
+     */
+    inline int receive(Data& data, unsigned long ms = 0)
+    {
+        return (xQueueReceive(queue, &data, ms / portTICK_RATE_MS) == pdTRUE) ? 0 : -1;
+    }
+    /**
+     * 
+     * @param other
+     * @return 
+     */
+    const queue_t &operator = (const queue_t& other)
+    {
+        if(this != &other) {        // protect against invalid self-assignment
+            queue = other.queue;
+        }
+        
+        return *this;
+    }
+
+private:
+    xQueueHandle queue;
+
+    // Disable copy construction.
+    queue_t (const queue_t&);
+};
+
+} //namespace thread {
+} //namespace esp_open_rtos {
+
+
+#endif	/* COM_THOLUSI_ESP_OPEN_RTOS_QUEUE_HPP */
+

extras/thread/task.hpp

@@ -0,0 +1,99 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef COM_THOLUSI_ESP_OPEN_RTOS_TASK_HPP
+#define	COM_THOLUSI_ESP_OPEN_RTOS_TASK_HPP
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+namespace esp_open_rtos {
+namespace thread {
+
+/******************************************************************************************************************
+ * task_t
+ *
+ */
+class task_t
+{
+public:
+    /**
+     * 
+     */
+    task_t()
+    {}
+    /**
+     * 
+     * @param pcName
+     * @param usStackDepth
+     * @param uxPriority
+     * @return 
+     */
+    int task_create(const char* const pcName, unsigned short usStackDepth = 256, unsigned portBASE_TYPE uxPriority = 2)
+    {
+        return xTaskCreate(task_t::_task, (signed char *)pcName, usStackDepth, this, uxPriority, NULL);
+    }
+    
+protected:
+    /**
+     * 
+     * @param ms
+     */
+    void sleep(unsigned long ms)
+    {
+        vTaskDelay(ms / portTICK_RATE_MS);
+    }
+    /**
+     * 
+     * @return 
+     */
+    inline unsigned long millis()
+    {
+        return xTaskGetTickCount() * portTICK_RATE_MS;
+    }
+    
+private:
+    /**
+     * 
+     */
+    virtual void task() = 0;
+    /**
+     * 
+     * @param pvParameters
+     */
+    static void _task(void* pvParameters)
+    {
+        if(pvParameters != 0) {
+            ((task_t*)(pvParameters))->task();
+        }
+    }
+    
+    // no copy and no = operator
+    task_t(const task_t&);
+    task_t &operator=(const task_t&);    
+};
+
+} //namespace thread {
+} //namespace esp_open_rtos {
+
+
+#endif	/* COM_THOLUSI_ESP_OPEN_RTOS_TASK_HPP */
+

extras/timer/component.mk

@@ -0,0 +1,3 @@
+# Component makefile for extras/timer
+
+INC_DIRS += $(ROOT)extras

extras/timer/countdown.hpp

@@ -0,0 +1,95 @@
+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef COM_THOLUSI_ESP_OPEN_RTOS_TIMER_HPP
+#define	COM_THOLUSI_ESP_OPEN_RTOS_TIMER_HPP
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+namespace esp_open_rtos {
+namespace timer {
+
+#define __millis()  (xTaskGetTickCount() * portTICK_RATE_MS)
+
+/******************************************************************************************************************
+ * countdown_t
+ *
+ */
+class countdown_t
+{
+public:
+    /**
+     * 
+     */
+    countdown_t()
+    {  
+	interval_end_ms = 0L;
+    }
+    /**
+     * 
+     * @param ms
+     */
+    countdown_t(int ms)
+    {
+        countdown_ms(ms);   
+    }
+    /**
+     * 
+     * @return 
+     */
+    bool expired()
+    {
+        return (interval_end_ms > 0L) && (__millis() >= interval_end_ms);
+    }
+    /**
+     * 
+     * @param ms
+     */
+    void countdown_ms(unsigned long ms)  
+    {
+        interval_end_ms = __millis() + ms;
+    }
+    /**
+     * 
+     * @param seconds
+     */
+    void countdown(int seconds)
+    {
+        countdown_ms((unsigned long)seconds * 1000L);
+    }
+    /**
+     * 
+     * @return 
+     */
+    int left_ms()
+    {
+        return interval_end_ms - __millis();
+    }
+    
+private:
+    portTickType interval_end_ms;
+};
+
+} // namespace timer {
+} // namespace esp_open_rtos {
+
+#endif