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LPC1768 Watchdog & Reset Reason #11226
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Original file line number | Diff line number | Diff line change |
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/* mbed Microcontroller Library | ||
* Copyright (c) 2006-2017 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 "reset_reason_api.h" | ||
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#ifdef DEVICE_RESET_REASON | ||
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#include "device.h" | ||
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reset_reason_t hal_reset_reason_get(void) | ||
{ | ||
if (LPC_SC->RSID & (1<<0)) { | ||
return RESET_REASON_POWER_ON; | ||
} | ||
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if (LPC_SC->RSID & (1<<1)) { | ||
return RESET_REASON_PIN_RESET; | ||
} | ||
if (LPC_SC->RSID & (1<<2)) { | ||
return RESET_REASON_WATCHDOG; | ||
} | ||
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if (LPC_SC->RSID & (1<<3)) { | ||
return RESET_REASON_BROWN_OUT; | ||
} | ||
if (LPC_SC->RSID & (1<<4)) { | ||
return RESET_REASON_SOFTWARE; | ||
} | ||
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if (LPC_SC->RSID & (1<<5)) { | ||
return RESET_REASON_LOCKUP; | ||
} | ||
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return RESET_REASON_UNKNOWN; | ||
} | ||
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uint32_t hal_reset_reason_get_raw(void) | ||
{ | ||
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return LPC_SC->RSID; | ||
} | ||
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void hal_reset_reason_clear(void) | ||
{ | ||
LPC_SC->RSID = 0xff; // Clear flags | ||
} | ||
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#endif // DEVICE_RESET_REASON |
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/* mbed Microcontroller Library | ||
* Copyright (c) 2006-2018 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. | ||
*/ | ||
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#ifdef DEVICE_WATCHDOG | ||
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#include "watchdog_api.h" | ||
#include "reset_reason_api.h" | ||
#include "device.h" | ||
#include "mbed_error.h" | ||
#include <stdbool.h> | ||
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watchdog_status_t hal_watchdog_init(const watchdog_config_t *config) | ||
{ | ||
LPC_WDT->WDCLKSEL = 0x1; //CLK src to PCLK | ||
uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4 | ||
LPC_WDT->WDTC = ((float)config->timeout_ms )* clk/1000; | ||
LPC_WDT->WDMOD = 0x3; // Enable and Reset | ||
hal_watchdog_kick(); | ||
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return WATCHDOG_STATUS_OK; | ||
} | ||
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void hal_watchdog_kick(void) | ||
{ | ||
LPC_WDT->WDFEED = 0xAA; | ||
LPC_WDT->WDFEED = 0x55; | ||
} | ||
watchdog_status_t hal_watchdog_stop(void) | ||
{ | ||
return WATCHDOG_STATUS_NOT_SUPPORTED; | ||
} | ||
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uint32_t hal_watchdog_get_reload_value(void) | ||
{ | ||
uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4 | ||
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return (float)LPC_WDT->WDTC/clk*1000; | ||
} | ||
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watchdog_features_t hal_watchdog_get_platform_features(void) | ||
{ | ||
uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4 | ||
watchdog_features_t features; | ||
features.max_timeout = ((float)INT32_MAX/clk)*1000; | ||
features.update_config = true; | ||
features.disable_watchdog = false; | ||
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return features; | ||
} | ||
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#endif // DEVICE_WATCHDOG |
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New files, 2019 year. Can you also use SPDX idenfier? Check
platform
files for the proper licenseThere was a problem hiding this comment.
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Done