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_RZ_A1H) || defined(TARGET_VK_RZ_A1H)
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_KL27Z) || defined(TARGET_KL05Z) || defined(TARGET_KL46Z) || defined(TARGET_K22F) || 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 
00062 #elif defined(TARGET_NUCLEO_F072RB) || defined(TARGET_NUCLEO_F303K8) || defined(TARGET_NUCLEO_F411RE)
00063     if (str[0] == 'P') {   // PX_XX e.g.PA_2 PC_15
00064         uint32_t port = str[1] - 'A';
00065         uint32_t pin  = str[3] - '0';       
00066         uint32_t pin2 = str[4] - '0';       
00067 
00068         if (pin2 <= 9) {
00069             pin = pin * 10 + pin2;
00070         }
00071         return port_pin((PortName)port, pin);
00072 
00073 #endif
00074 
00075 
00076 
00077 #if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
00078     } else if (str[0] == 'p') {       // pn
00079         uint32_t pin  = str[1] - '0'; // pn
00080         uint32_t pin2 = str[2] - '0'; // pnn
00081         if (pin2 <= 9) {
00082             pin = pin * 10 + pin2;
00083         }
00084         if (pin < 5 || pin > 30) {
00085             return NC;
00086         }
00087         return pin_names[pin - 5];
00088 #elif defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM)
00089     } else if (str[0] == 'p') {       // pn
00090         uint32_t pin  = str[1] - '0'; // pn
00091         uint32_t pin2 = str[2] - '0'; // pnn
00092         if (pin2 <= 9) {
00093             pin = pin * 10 + pin2;
00094         }
00095         if (pin < 1 || pin > 46) {
00096             return NC;
00097         }
00098         return pin_names[pin - 1];
00099 #endif
00100     } else if (str[0] == 'L') {  // LEDn
00101         switch (str[3]) {
00102             case '1' : return LED1;
00103             case '2' : return LED2;
00104             case '3' : return LED3;
00105             case '4' : return LED4;
00106         }
00107 
00108     } else if (str[0] == 'U') {  // USB?X
00109         switch (str[3]) {
00110             case 'T' : return USBTX;
00111             case 'R' : return USBRX;
00112         }
00113     }
00114 
00115     return NC;
00116 }
00117 }
00118 
00119