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Diffstat (limited to 'cc3200/misc/mpexception.c')
| -rw-r--r-- | cc3200/misc/mpexception.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/cc3200/misc/mpexception.c b/cc3200/misc/mpexception.c new file mode 100644 index 000000000..91cd99786 --- /dev/null +++ b/cc3200/misc/mpexception.c @@ -0,0 +1,100 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * Copyright (c) 2015 Daniel Campora + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <stdint.h> +#include <string.h> +#include <std.h> + +#include "py/mpstate.h" +#include "mpconfig.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "runtime.h" +#include "mpexception.h" + + +/****************************************************************************** +DECLARE PRIVATE FUNCTIONS + ******************************************************************************/ +STATIC void mpexception_set_user_interrupt (int chr, void *data); + +/****************************************************************************** +DECLARE EXPORTED DATA + ******************************************************************************/ +const char mpexception_os_resource_not_avaliable[] = "resource not available"; +const char mpexception_os_operation_failed[] = "the requested operation failed"; +const char mpexception_os_request_not_possible[] = "the requested operation is not possible"; +const char mpexception_value_invalid_arguments[] = "invalid argument(s) value"; +const char mpexception_num_type_invalid_arguments[] = "invalid argument(s) num/type"; +const char mpexception_uncaught[] = "uncaught exception"; + +int user_interrupt_char = -1; + +/****************************************************************************** +DECLARE PRIVATE DATA + ******************************************************************************/ +STATIC void *user_interrupt_data = NULL; + +/****************************************************************************** +DEFINE PUBLIC FUNCTIONS + ******************************************************************************/ + +void mpexception_init0 (void) { + // Create an exception object for interrupting through the stdin uart + MP_STATE_PORT(mp_const_user_interrupt) = mp_obj_new_exception(&mp_type_KeyboardInterrupt); + mpexception_set_user_interrupt (-1, MP_STATE_PORT(mp_const_user_interrupt)); +} + +void mpexception_set_interrupt_char (int c) { + if (c != -1) { + mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_const_user_interrupt)); + } + mpexception_set_user_interrupt(c, MP_STATE_PORT(mp_const_user_interrupt)); +} + +// Call this function to raise a pending exception during an interrupt. +// It will try to raise the exception "softly" by setting the +// mp_pending_exception variable hoping that the VM will notice it. +void mpexception_nlr_jump (void *o) { + if (MP_STATE_PORT(mp_pending_exception) == MP_OBJ_NULL) { + MP_STATE_PORT(mp_pending_exception) = o; + } +} + +void mpexception_keyboard_nlr_jump (void) { + mpexception_nlr_jump (user_interrupt_data); +} + +/****************************************************************************** +DEFINE PRIVATE FUNCTIONS + ******************************************************************************/ + +STATIC void mpexception_set_user_interrupt (int chr, void *data) { + user_interrupt_char = chr; + user_interrupt_data = data; +} |
