parse_pins.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "port_api.h"
00017 
00018 namespace mbed {
00019 
00020 PinName parse_pins(const char *str) {
00021 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
00022     
00023     #if defined(TARGET_UBLOX_C027)
00024         #define p5 P0_9
00025         #define p6 P0_8
00026         #define p7 P0_7
00027         #define p8 P0_6
00028         #define p9 P0_0
00029         #define p10 P0_1
00030         #define p11 P0_18
00031         #define p12 P0_17
00032         #define p13 P0_15
00033         #define p14 P0_16
00034         #define p15 P0_23
00035         #define p16 P0_24
00036         #define p17 P0_25
00037         #define p18 P0_26
00038         #define p19 P1_30
00039         #define p20 P1_30
00040         #define p21 P2_5
00041         #define p22 P2_4
00042         #define p23 P2_3
00043         #define p24 P2_2
00044         #define p25 P2_1
00045         #define p26 P2_0
00046         #define p27 P0_11
00047         #define p28 P0_10
00048         #define p29 P0_5
00049         #define p30 P0_4
00050         
00051     #endif
00052     static const PinName pin_names[] = {p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
00053                                 , p15, p16, p17, p18, p19, p20, p21, p22, p23
00054                                 , p24, p25, p26, p27, p28, p29, p30};
00055     
00056 #elif defined(TARGET_LPC1114)
00057     static const PinName pin_names[] = {dp1, dp2, dp4, dp5, dp6, dp9, dp10, dp11
00058                                 , dp13, dp14, dp15, dp16, dp17, dp18, dp23
00059                                 , dp24, dp25, dp26, dp27, dp28};
00060 #elif defined(TARGET_LPC4088)
00061     static const PinName pin_names[] = {NC, NC, NC, NC, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
00062                                 , p15, p16, p17, p18, p19, p20, NC, NC, p23
00063                                 , p24, p25, p26, p27, p28, p29, p30, p31, p32
00064                                 , p33, p34, NC, NC, p37, p38, p39, NC, NC, NC, NC, NC, NC, NC};
00065 #elif defined(TARGET_LPC4088_DM)
00066     static const PinName pin_names[] = {p1, p2, p3, p4, NC, NC, p7, p8, p9, p10, p11, p12, p13, p14
00067                                 , p15, p16, p17, p18, p19, p20, p21, p22, p23
00068                                 , p24, p25, p26, NC, NC, p29, p30, NC, NC
00069                                 , NC, NC, NC, NC, NC, NC, NC, NC, p41, p42, p43, p44, p45, p46};
00070 #endif
00071 
00072 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812) || defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) || defined(TARGET_LPC1114)
00073     if (str[0] == 'P') {              // Pn_n
00074         uint32_t port = str[1] - '0';
00075         uint32_t pin  = str[3] - '0'; // Pn_n
00076         uint32_t pin2 = str[4] - '0'; // Pn_nn
00077         if (pin2 <= 9) {
00078             pin = pin * 10 + pin2;
00079         }
00080         return port_pin((PortName)port, pin);
00081 
00082 #elif defined(TARGET_KL25Z) || defined(TARGET_KL05Z) || defined(TARGET_KL46Z) || defined(TARGET_K64F)
00083     if (str[0] == 'P' && str[1] == 'T') {   // PTxn
00084         uint32_t port = str[2] - 'A';
00085         uint32_t pin  = str[3] - '0';       // PTxn
00086         uint32_t pin2 = str[4] - '0';       // PTxnn
00087 
00088         if (pin2 <= 9) {
00089             pin = pin * 10 + pin2;
00090         }
00091         return port_pin((PortName)port, pin);
00092 #endif
00093 
00094 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
00095     } else if (str[0] == 'p') {       // pn
00096         uint32_t pin  = str[1] - '0'; // pn
00097         uint32_t pin2 = str[2] - '0'; // pnn
00098         if (pin2 <= 9) {
00099             pin = pin * 10 + pin2;
00100         }
00101         if (pin < 5 || pin > 30) {
00102             return NC;
00103         }
00104         return pin_names[pin - 5];
00105 #elif defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM)
00106     } else if (str[0] == 'p') {       // pn
00107         uint32_t pin  = str[1] - '0'; // pn
00108         uint32_t pin2 = str[2] - '0'; // pnn
00109         if (pin2 <= 9) {
00110             pin = pin * 10 + pin2;
00111         }
00112         if (pin < 1 || pin > 46) {
00113             return NC;
00114         }
00115         return pin_names[pin - 1];
00116 #endif
00117 
00118     } else if (str[0] == 'L') {  // LEDn
00119         switch (str[3]) {
00120             case '1' : return LED1;
00121             case '2' : return LED2;
00122             case '3' : return LED3;
00123             case '4' : return LED4;
00124         }
00125 
00126     } else if (str[0] == 'U') {  // USB?X
00127         switch (str[3]) {
00128             case 'T' : return USBTX;
00129             case 'R' : return USBRX;
00130         }
00131     }
00132 
00133     return NC;
00134 }
00135 
00136 }