Kiran George Vetteth
/
Steering_Display
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Dependencies: Digital_InOut KS0108 mbed
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Digital_Out.h
00001 /* 00002 Test Code 00003 #include "Digital_Out.h" 00004 00005 //Serial pc(USBTX,USBRX); 00006 00007 int main() 00008 { 00009 Digital_Out ledPin1(p1_18,1); 00010 Digital_Out ledPin2(p1_20,0); 00011 Digital_Out ledPin3(p1_21,1); 00012 Digital_Out ledPin4(p1_23,0); 00013 00014 00015 wait(0.5); 00016 while(1) 00017 { 00018 ledPin1= !ledPin1; 00019 ledPin2= !ledPin2; 00020 ledPin3= !ledPin3; 00021 ledPin4= !ledPin4; 00022 00023 wait(0.5); 00024 ledPin1= !ledPin1; 00025 ledPin2= !ledPin2; 00026 ledPin3= !ledPin3; 00027 ledPin4= !ledPin4; 00028 00029 wait(0.5); 00030 } 00031 00032 Digital_Out pin(p0_0); 00033 00034 DigitalOut myled(LED1); 00035 00036 Timer t; 00037 int main() { 00038 t.reset(); 00039 t.start(); 00040 for (int i = 0; i < 1000000; i++){ 00041 pin = 1; 00042 pin = 0; 00043 } 00044 t.stop(); 00045 00046 unsigned int time1 = t.read_us(); 00047 00048 t.reset(); 00049 t.start(); 00050 for (int i = 0; i < 1000000; i++) { 00051 myled = 1; 00052 myled = 0; 00053 } 00054 t.stop(); 00055 unsigned int time2 = t.read_us(); 00056 printf("Library time: %d, mbed time: %d\r\n", time1, time2); 00057 while(1) { 00058 00059 } 00060 } 00061 */ 00062 00063 #ifndef DIGITAL_OUT_H 00064 #define DIGITAL_OUT_H 00065 00066 #include"mbed.h" 00067 00068 #define _PINSEL_BASE 0x4002C000 00069 #define _FIODIR_BASE 0x2009C000 00070 #define _FIOSET_BASE 0x2009C018 00071 #define _FIOCLR_BASE 0x2009C01C 00072 #define _FIOPIN_BASE 0x2009C014 00073 00074 #ifndef _PIN_ 00075 #define _PIN_ 00076 typedef struct 00077 { 00078 int port; 00079 int pin; 00080 }Pin; 00081 #endif /* _PIN_ */ 00082 00083 #ifndef _PIN_NAME_ 00084 #define _PIN_NAME_ 00085 // Note many pins are not available as fully functional GPIOs, they are ommitted below 00086 enum Pin_Name 00087 { 00088 p0_0 = 0, 00089 p0_1 = 1, 00090 p0_2 = 2, 00091 p0_3 = 3, 00092 p0_4 = 4, 00093 p0_5 = 5, 00094 p0_6 = 6, 00095 p0_7 = 7, 00096 p0_8 = 8, 00097 p0_9 = 9, 00098 p0_10 = 10, 00099 p0_11 = 11, 00100 /*p0_12 = 12, 00101 p0_13 = 13, 00102 p0_14 = 14,*/ 00103 p0_15 = 15, 00104 p0_16 = 16, 00105 00106 p0_17 = 17, 00107 p0_18 = 18, 00108 p0_19 = 19, 00109 p0_20 = 20, 00110 p0_21 = 21, 00111 p0_22 = 22, 00112 p0_23 = 23, 00113 p0_24 = 24, 00114 p0_25 = 25, 00115 p0_26 = 26, 00116 /* p0_27 = 27, 00117 p0_28 = 28, 00118 p0_29 = 29, 00119 p0_30 = 30,*/ 00120 00121 00122 p1_0 = 100, 00123 p1_1 = 101, 00124 /* p1_2 = 102, 00125 p1_3 = 103,*/ 00126 p1_4 = 104, 00127 /* p1_5 = 105, 00128 p1_6 = 106, 00129 p1_7 = 107,*/ 00130 p1_8 = 108, 00131 p1_9 = 109, 00132 p1_10 = 110, 00133 /* p1_11 = 111, 00134 p1_12 = 112, 00135 p1_13 = 113,*/ 00136 p1_14 = 114, 00137 p1_15 = 115, 00138 00139 p1_16 = 116, 00140 p1_17 = 117, 00141 p1_18 = 118, 00142 p1_19 = 119, 00143 p1_20 = 120, 00144 p1_21 = 121, 00145 p1_22 = 122, 00146 p1_23 = 123, 00147 p1_24 = 124, 00148 p1_25 = 125, 00149 p1_26 = 126, 00150 p1_27 = 127, 00151 p1_28 = 128, 00152 p1_29 = 129, 00153 p1_30 = 130, 00154 00155 00156 p2_0 = 200, 00157 p2_1 = 201, 00158 p2_2 = 202, 00159 p2_3 = 203, 00160 p2_4 = 204, 00161 p2_5 = 205, 00162 p2_6 = 206, 00163 p2_7 = 207, 00164 p2_8 = 208, 00165 p2_9 = 209, 00166 p2_10 = 210, 00167 p2_11 = 211, 00168 p2_12 = 212, 00169 p2_13 = 213, 00170 /* p2_14 = 214, 00171 p2_15 = 215, 00172 00173 p2_16 = 216, 00174 p2_17 = 217, 00175 p2_18 = 218, 00176 p2_19 = 219, 00177 p2_20 = 220, 00178 p2_21 = 221, 00179 p2_22 = 222, 00180 p2_23 = 223, 00181 p2_24 = 224, 00182 p2_25 = 225, 00183 p2_26 = 226, 00184 p2_27 = 227, 00185 p2_28 = 228, 00186 p2_29 = 229, 00187 p2_30 = 230,*/ 00188 00189 00190 /* p3_0 = 300, 00191 p3_1 = 301, 00192 p3_2 = 302, 00193 p3_3 = 303, 00194 p3_4 = 304, 00195 p3_5 = 305, 00196 p3_6 = 306, 00197 p3_7 = 307, 00198 p3_8 = 308, 00199 p3_9 = 309, 00200 p3_10 = 310, 00201 p3_11 = 311, 00202 p3_12 = 312, 00203 p3_13 = 313, 00204 p3_14 = 314, 00205 p3_15 = 315, 00206 00207 p3_16 = 316, 00208 p3_17 = 317, 00209 p3_18 = 318, 00210 p3_19 = 319, 00211 p3_20 = 320, 00212 p3_21 = 321, 00213 p3_22 = 322, 00214 p3_23 = 323, 00215 p3_24 = 324,*/ 00216 p3_25 = 325, 00217 p3_26 = 326, 00218 /*p3_27 = 327, 00219 p3_28 = 328, 00220 p3_29 = 329, 00221 p3_30 = 330,*/ 00222 00223 /*p4_0 = 400, 00224 p4_1 = 401, 00225 p4_2 = 402, 00226 p4_3 = 403, 00227 p4_4 = 404, 00228 p4_5 = 405, 00229 p4_6 = 406, 00230 p4_7 = 407, 00231 p4_8 = 408, 00232 p4_9 = 409, 00233 p4_10 = 410, 00234 p4_11 = 411, 00235 p4_12 = 412, 00236 p4_13 = 413, 00237 p4_14 = 414, 00238 p4_15 = 415, 00239 00240 p4_16 = 416, 00241 p4_17 = 417, 00242 p4_18 = 418, 00243 p4_19 = 419, 00244 p4_20 = 420, 00245 p4_21 = 421, 00246 p4_22 = 422, 00247 p4_23 = 423, 00248 p4_24 = 424, 00249 p4_25 = 425, 00250 p4_26 = 426, 00251 p4_27 = 427,*/ 00252 p4_28 = 428, 00253 p4_29 = 429, 00254 /*p4_30 = 430*/ 00255 00256 }; 00257 #endif /* _PIN_NAME_ */ 00258 00259 00260 class Digital_Out 00261 { 00262 private: Pin _pin; 00263 public: Digital_Out(Pin_Name IPin) 00264 { 00265 _pin.port=(IPin/100); 00266 _pin.pin=(IPin%100); 00267 const int PINSELx = ((_pin.port*2) + (1* (_pin.pin > 15) ? 1:0)); 00268 const int FIODIRx = _pin.port; 00269 00270 *(uint32_t*)(_PINSEL_BASE + (PINSELx*4)) &= ~(1 << ((_pin.pin%16)*2) | (1 << (((_pin.pin%16)*2)+1))); //GPIO 00271 *(uint32_t*)(_FIODIR_BASE + (FIODIRx*0x20)) |= (1 << _pin.pin); //Output 00272 } 00273 00274 Digital_Out(Pin_Name IPin, int value) 00275 { 00276 _pin.port=(IPin/100); 00277 _pin.pin=(IPin%100); 00278 const int PINSELx = ((_pin.port*2) + (1* (_pin.pin > 15) ? 1:0)); 00279 const int FIODIRx = _pin.port; 00280 00281 *(uint32_t*)(_PINSEL_BASE + (PINSELx*4)) &= ~(1 << ((_pin.pin%16)*2) | (1 << (((_pin.pin%16)*2)+1))); //GPIO 00282 *(uint32_t*)(_FIODIR_BASE + (FIODIRx*0x20)) |= (1 << _pin.pin); //Output 00283 *(uint32_t*)((_FIOSET_BASE*value) + (_FIOCLR_BASE*(1-value)) + (_pin.port*0x20)) |= (1 << _pin.pin); //Write 00284 } 00285 00286 void write(int value) 00287 { 00288 if (value != 1 && value != 0) return; 00289 *(uint32_t*)((_FIOSET_BASE*value)+(_FIOCLR_BASE*(1-value)) + (_pin.port*0x20)) |= (1 << _pin.pin); //Write 00290 } 00291 00292 int read() 00293 { 00294 return ((*(uint32_t*)(_FIOPIN_BASE +_pin.port*0x20) & (1 << _pin.pin)) >> _pin.pin); //Read 00295 } 00296 00297 Digital_Out& operator= (int value) 00298 { 00299 write(value); 00300 return *this; 00301 } 00302 00303 Digital_Out& operator= (Digital_Out& rhs) 00304 { 00305 write(rhs.read()); 00306 return *this; 00307 } 00308 00309 operator int() 00310 { 00311 return read(); 00312 } 00313 }; 00314 00315 #endif /*DIGITAL_OUT_H*/
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