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Diff: common/mbed_interface.c
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 221:8276e3a4886f
diff -r 5fa2273de5db -r 0645d8841f51 common/mbed_interface.c --- a/common/mbed_interface.c Wed Jul 24 11:11:21 2013 +0100 +++ b/common/mbed_interface.c Mon Aug 05 14:12:34 2013 +0300 @@ -1,107 +1,115 @@ -/* 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 <stdio.h> -#include "mbed_interface.h" - -#include "gpio_api.h" -#include "wait_api.h" -#include "semihost_api.h" -#include "error.h" -#include "toolchain.h" - -#if DEVICE_SEMIHOST - -// return true if a debugger is attached, indicating mbed interface is connected -int mbed_interface_connected(void) { - return semihost_connected(); -} - -int mbed_interface_reset(void) { - if (mbed_interface_connected()) { - semihost_reset(); - return 0; - } else { - return -1; - } -} - -WEAK int mbed_interface_uid(char *uid); -WEAK int mbed_interface_uid(char *uid) { - if (mbed_interface_connected()) { - return semihost_uid(uid); // Returns 0 if successful, -1 on failure - } else { - uid[0] = 0; - return -1; - } -} - -int mbed_interface_disconnect(void) { - if (mbed_interface_connected()) { - return semihost_disabledebug(); - } else { - return -1; - } -} - -int mbed_interface_powerdown(void) { - if (mbed_interface_connected()) { - return semihost_powerdown(); - } else { - return -1; - } -} - -// for backward compatibility -void mbed_reset(void) { - mbed_interface_reset(); -} - -WEAK int mbed_uid(char *uid); -WEAK int mbed_uid(char *uid) { - return mbed_interface_uid(uid); -} -#endif - -WEAK void mbed_mac_address(char *mac); -WEAK void mbed_mac_address(char *mac) { -#if DEVICE_SEMIHOST - char uid[DEVICE_ID_LENGTH + 1]; - int i; - - // if we have a UID, extract the MAC - if (mbed_interface_uid(uid) == 0) { - char *p = uid; -#if defined(DEVICE_MAC_OFFSET) - p += DEVICE_MAC_OFFSET; -#endif - for (i=0; i<6; i++) { - int byte; - sscanf(p, "%2x", &byte); - mac[i] = byte; - p += 2; - } - } else { // else return a default MAC -#endif - mac[0] = 0x00; - mac[1] = 0x02; - mac[2] = 0xF7; - mac[3] = 0xF0; - mac[4] = 0x00; - mac[5] = 0x00; -#if DEVICE_SEMIHOST - } -#endif -} +/* 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 <stdio.h> +#include "mbed_interface.h" + +#include "gpio_api.h" +#include "wait_api.h" +#include "semihost_api.h" +#include "error.h" +#include "toolchain.h" + +#if DEVICE_SEMIHOST + +// return true if a debugger is attached, indicating mbed interface is connected +int mbed_interface_connected(void) { + return semihost_connected(); +} + +int mbed_interface_reset(void) { + if (mbed_interface_connected()) { + semihost_reset(); + return 0; + } else { + return -1; + } +} + +WEAK int mbed_interface_uid(char *uid); +WEAK int mbed_interface_uid(char *uid) { + if (mbed_interface_connected()) { + return semihost_uid(uid); // Returns 0 if successful, -1 on failure + } else { + uid[0] = 0; + return -1; + } +} + +int mbed_interface_disconnect(void) { + int res; + if (mbed_interface_connected()) { + if ((res = semihost_disabledebug()) != 0) + return res; + while (mbed_interface_connected()); + return 0; + } else { + return -1; + } +} + +int mbed_interface_powerdown(void) { + int res; + if (mbed_interface_connected()) { + if ((res = semihost_powerdown()) != 0) + return res; + while (mbed_interface_connected()); + return 0; + } else { + return -1; + } +} + +// for backward compatibility +void mbed_reset(void) { + mbed_interface_reset(); +} + +WEAK int mbed_uid(char *uid); +WEAK int mbed_uid(char *uid) { + return mbed_interface_uid(uid); +} +#endif + +WEAK void mbed_mac_address(char *mac); +WEAK void mbed_mac_address(char *mac) { +#if DEVICE_SEMIHOST + char uid[DEVICE_ID_LENGTH + 1]; + int i; + + // if we have a UID, extract the MAC + if (mbed_interface_uid(uid) == 0) { + char *p = uid; +#if defined(DEVICE_MAC_OFFSET) + p += DEVICE_MAC_OFFSET; +#endif + for (i=0; i<6; i++) { + int byte; + sscanf(p, "%2x", &byte); + mac[i] = byte; + p += 2; + } + } else { // else return a default MAC +#endif + mac[0] = 0x00; + mac[1] = 0x02; + mac[2] = 0xF7; + mac[3] = 0xF0; + mac[4] = 0x00; + mac[5] = 0x00; +#if DEVICE_SEMIHOST + } +#endif +}