File content as of revision 9:6ce5db613c77:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "port_api.h"
#include <string.h>

namespace mbed {

PinName parse_pins(const char *str) {
#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
    static const PinName pin_names[] = {p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
                                , p15, p16, p17, p18, p19, p20, p21, p22, p23
                                , p24, p25, p26, p27, p28, p29, p30};
#elif defined(TARGET_LPC1114)
    static const PinName pin_names[] = {dp1, dp2, dp4, dp5, dp6, dp9, dp10, dp11
                                , dp13, dp14, dp15, dp16, dp17, dp18, dp23
                                , dp24, dp25, dp26, dp27, dp28};
#elif defined(TARGET_LPC4088)
    static const PinName pin_names[] = {NC, NC, NC, NC, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14
                                , p15, p16, p17, p18, p19, p20, NC, NC, p23
                                , p24, p25, p26, p27, p28, p29, p30, p31, p32
                                , p33, p34, NC, NC, p37, p38, p39, NC, NC, NC, NC, NC, NC, NC};
#elif defined(TARGET_LPC4088_DM)
    static const PinName pin_names[] = {p1, p2, p3, p4, NC, NC, p7, p8, p9, p10, p11, p12, p13, p14
                                , p15, p16, p17, p18, p19, p20, p21, p22, p23
                                , p24, p25, p26, NC, NC, p29, p30, NC, NC
                                , NC, NC, NC, NC, NC, NC, NC, NC, p41, p42, p43, p44, p45, p46};
#endif

#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812) || defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) || defined(TARGET_LPC1114)
    if (str[0] == 'P') {              // Pn_n
        uint32_t port = str[1] - '0';
        uint32_t pin  = str[3] - '0'; // Pn_n
        uint32_t pin2 = str[4] - '0'; // Pn_nn
        if (pin2 <= 9) {
            pin = pin * 10 + pin2;
        }
        return port_pin((PortName)port, pin);

#elif defined(TARGET_KL25Z) || defined(TARGET_KL05Z) || defined(TARGET_KL46Z) || defined(TARGET_K64F)
    if (str[0] == 'P' && str[1] == 'T') {   // PTxn
        uint32_t port = str[2] - 'A';
        uint32_t pin  = str[3] - '0';       // PTxn
        uint32_t pin2 = str[4] - '0';       // PTxnn

        if (pin2 <= 9) {
            pin = pin * 10 + pin2;
        }
        return port_pin((PortName)port, pin);
#endif

#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368)
    } else if (str[0] == 'p') {       // pn
        uint32_t pin  = str[1] - '0'; // pn
        uint32_t pin2 = str[2] - '0'; // pnn
        if (pin2 <= 9) {
            pin = pin * 10 + pin2;
        }
        if (pin < 5 || pin > 30) {
            return NC;
        }
        return pin_names[pin - 5];
#elif defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM)
    } else if (str[0] == 'p') {       // pn
        uint32_t pin  = str[1] - '0'; // pn
        uint32_t pin2 = str[2] - '0'; // pnn
        if (pin2 <= 9) {
            pin = pin * 10 + pin2;
        }
        if (pin < 1 || pin > 46) {
            return NC;
        }
        return pin_names[pin - 1];
#endif

    } else if (str[0] == 'L') {  // LEDn
        switch (str[3]) {
            case '1' : return LED1;
            case '2' : return LED2;
            case '3' : return LED3;
            case '4' : return LED4;
        }

    } else if (str[0] == 'U') {  // USB?X
        switch (str[3]) {
            case 'T' : return USBTX;
            case 'R' : return USBRX;
        }
    }

#if defined(TARGET_KL25Z) || defined(TARGET_KL05Z) || defined(TARGET_KL46Z) || defined(TARGET_K64F)
    // Handle Ardiuno pin names.
    else if ((str[0] == 'D') && ((str[1] >= '0') && (str[1] <= '9'))) {
        static const PinName digital_pins[] = { D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 };
        int pin  = str[1] - '0'; // pn
        int pin2 = str[2] - '0'; // pnn
        if ((pin2 >= 0) && (pin2 <= 9)) {
            pin = pin * 10 + pin2;
        }
        if ((pin < 0) || (pin > 16)) {
            return NC;
        }
        
        return digital_pins[pin];
    } else if ((str[0] == 'A') && ((str[1] >= '0') && (str[1] <= '9'))) {
        static const PinName analog_pins[] = { A0, A1, A2, A3, A4, A5 };
        int pin  = str[1] - '0'; // pn
        if ((pin < 0) || (pin > 6)) {
            return NC;
        }
        
        return analog_pins[pin];
    }
#endif

#if defined(TARGET_K64F)
    if (strcmp(str, "DAC0_OUT") == 0) {
        return DAC0_OUT;
    }
#endif

    return NC;
}

}