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     static const PinName pin_names[] = {p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
00023                                 , p15, p16, p17, p18, p19, p20, p21, p22, p23
00024                                 , p24, p25, p26, p27, p28, p29, p30};
00025 #elif defined(TARGET_LPC1114)
00026     static const PinName pin_names[] = {dp1, dp2, dp4, dp5, dp6, dp9, dp10, dp11
00027                                 , dp13, dp14, dp15, dp16, dp17, dp18, dp23
00028                                 , dp24, dp25, dp26, dp27, dp28};
00029 #elif defined(TARGET_LPC4088)
00030     static const PinName pin_names[] = {NC, NC, NC, NC, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
00031                                 , p15, p16, p17, p18, p19, p20, NC, NC, p23
00032                                 , p24, p25, p26, p27, p28, p29, p30, p31, p32
00033                                 , p33, p34, NC, NC, p37, p38, p39, NC, NC, NC, NC, NC, NC, NC};
00034 #elif defined(TARGET_LPC4088_DM)
00035     static const PinName pin_names[] = {p1, p2, p3, p4, NC, NC, p7, p8, p9, p10, p11, p12, p13, p14
00036                                 , p15, p16, p17, p18, p19, p20, p21, p22, p23
00037                                 , p24, p25, p26, NC, NC, p29, p30, NC, NC
00038                                 , NC, NC, NC, NC, NC, NC, NC, NC, p41, p42, p43, p44, p45, p46};
00039 #endif
00040 
00041 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812) || defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) || defined(TARGET_LPC1114) || defined(TARGET_STM32F103RB)
00042     if (str[0] == 'P') {              // Pn_n
00043         uint32_t port = str[1] - '0';
00044         uint32_t pin  = str[3] - '0'; // Pn_n
00045         uint32_t pin2 = str[4] - '0'; // Pn_nn
00046         if (pin2 <= 9) {
00047             pin = pin * 10 + pin2;
00048         }
00049         return port_pin((PortName)port, pin);
00050 
00051 #elif defined(TARGET_KL25Z) || defined(TARGET_KL05Z) || defined(TARGET_KL46Z) || defined(TARGET_K64F)
00052     if (str[0] == 'P' && str[1] == 'T') {   // PTxn
00053         uint32_t port = str[2] - 'A';
00054         uint32_t pin  = str[3] - '0';       // PTxn
00055         uint32_t pin2 = str[4] - '0';       // PTxnn
00056 
00057         if (pin2 <= 9) {
00058             pin = pin * 10 + pin2;
00059         }
00060         return port_pin((PortName)port, pin);
00061 #endif
00062 
00063 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
00064     } else if (str[0] == 'p') {       // pn
00065         uint32_t pin  = str[1] - '0'; // pn
00066         uint32_t pin2 = str[2] - '0'; // pnn
00067         if (pin2 <= 9) {
00068             pin = pin * 10 + pin2;
00069         }
00070         if (pin < 5 || pin > 30) {
00071             return NC;
00072         }
00073         return pin_names[pin - 5];
00074 #elif defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM)
00075     } else if (str[0] == 'p') {       // pn
00076         uint32_t pin  = str[1] - '0'; // pn
00077         uint32_t pin2 = str[2] - '0'; // pnn
00078         if (pin2 <= 9) {
00079             pin = pin * 10 + pin2;
00080         }
00081         if (pin < 1 || pin > 46) {
00082             return NC;
00083         }
00084         return pin_names[pin - 1];
00085 #endif
00086 
00087     } else if (str[0] == 'L') {  // LEDn
00088         switch (str[3]) {
00089             case '1' : return LED1;
00090             case '2' : return LED2;
00091             case '3' : return LED3;
00092             case '4' : return LED4;
00093         }
00094 
00095     } else if (str[0] == 'U') {  // USB?X
00096         switch (str[3]) {
00097             case 'T' : return USBTX;
00098             case 'R' : return USBRX;
00099         }
00100     }
00101 
00102     return NC;
00103 }
00104 
00105 }