This is my quadcopter prototype software, still in development!
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PortOut.h
00001 /* mbed Microcontroller Library - PortOut 00002 * Copyright (c) 2006-2011 ARM Limited. All rights reserved. 00003 */ 00004 00005 #ifndef MBED_PORTOUT_H 00006 #define MBED_PORTOUT_H 00007 00008 #include "device.h" 00009 00010 #if DEVICE_PORTOUT 00011 00012 #include "platform.h" 00013 #include "PinNames.h" 00014 #include "Base.h" 00015 00016 #include "PortNames.h" 00017 00018 namespace mbed { 00019 /* Class: PortOut 00020 * A multiple pin digital out 00021 * 00022 * Example: 00023 * > // Toggle all four LEDs 00024 * > 00025 * > #include "mbed.h" 00026 * > 00027 * > // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23 00028 * > #define LED_MASK 0x00B40000 00029 * > 00030 * > PortOut ledport(Port1, LED_MASK); 00031 * > 00032 * > int main() { 00033 * > while(1) { 00034 * > ledport = LED_MASK; 00035 * > wait(1); 00036 * > ledport = 0; 00037 * > wait(1); 00038 * > } 00039 * > } 00040 */ 00041 class PortOut { 00042 public: 00043 00044 /* Constructor: PortOut 00045 * Create an PortOut, connected to the specified port 00046 * 00047 * Variables: 00048 * port - Port to connect to (Port0-Port5) 00049 * mask - A bitmask to identify which bits in the port should be included (0 - ignore) 00050 */ 00051 PortOut(PortName port, int mask = 0xFFFFFFFF); 00052 00053 /* Function: write 00054 * Write the value to the output port 00055 * 00056 * Variables: 00057 * value - An integer specifying a bit to write for every corresponding PortOut pin 00058 */ 00059 void write(int value); 00060 00061 /* Function: read 00062 * Read the value currently output on the port 00063 * 00064 * Variables: 00065 * returns - An integer with each bit corresponding to associated PortOut pin setting 00066 */ 00067 int read(); 00068 00069 /* Function: operator= 00070 * A shorthand for <write> 00071 */ 00072 PortOut& operator= (int value) { 00073 write(value); 00074 return *this; 00075 } 00076 00077 PortOut& operator= (PortOut& rhs) { 00078 write(rhs.read()); 00079 return *this; 00080 } 00081 00082 /* Function: operator int() 00083 * A shorthand for <read> 00084 */ 00085 operator int() { 00086 return read(); 00087 } 00088 00089 private: 00090 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) 00091 LPC_GPIO_TypeDef *_gpio; 00092 #endif 00093 PortName _port; 00094 uint32_t _mask; 00095 }; 00096 00097 } // namespace mbed 00098 00099 #endif 00100 00101 #endif
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