Add all nRF52 SDK hal files

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_adc.c

+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**
+ * @file
+ * @brief ADC HAL implementation
+ */
+
+#include "nrf_adc.h"
+
+#ifndef NRF52
+
+/**
+ * @brief Function for configuring ADC.
+ *
+ * This function power on ADC and configure it. ADC is in DISABLE state after configuration,
+ * so it should be enabled before using it.
+ *
+ * @param[in] config is requested configuration
+ */
+void nrf_adc_configure(nrf_adc_config_t * config)
+{
+    uint32_t config_reg = 0;
+
+    config_reg |= ((uint32_t)config->resolution << ADC_CONFIG_RES_Pos) & ADC_CONFIG_RES_Msk;
+    config_reg |= ((uint32_t)config->scaling << ADC_CONFIG_INPSEL_Pos) & ADC_CONFIG_INPSEL_Msk;
+    config_reg |= ((uint32_t)config->reference << ADC_CONFIG_REFSEL_Pos) & ADC_CONFIG_REFSEL_Msk;
+
+    if (config->reference & ADC_CONFIG_EXTREFSEL_Msk)
+    {
+        config_reg |= config->reference & ADC_CONFIG_EXTREFSEL_Msk;
+    }
+
+    /* select input */
+    nrf_adc_input_select(NRF_ADC_CONFIG_INPUT_DISABLED);
+
+    /* set new configuration keeping selected input */
+    NRF_ADC->CONFIG = config_reg | (NRF_ADC->CONFIG & ADC_CONFIG_PSEL_Msk);
+}
+
+
+/**
+ * @brief Blocking function for executing single ADC conversion.
+ *
+ * This function selects desired input, starts single conversion,
+ * waits for its finish  and returns result.
+ * ADC is left in STOP state, given input is selected.
+ * This function does not check if ADC is initialized and powered.
+ *
+ * @param[in] input is requested input to be selected
+ *
+ * @return conversion result
+ */
+int32_t nrf_adc_convert_single(nrf_adc_config_input_t input)
+{
+    int32_t val;
+
+    nrf_adc_input_select(input);
+    nrf_adc_start();
+
+    while (!nrf_adc_conversion_finished())
+    {
+    }
+    nrf_adc_conversion_event_clean();
+    val = nrf_adc_result_get();
+    nrf_adc_stop();
+    return val;
+}
+#endif

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_adc.h

+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**
+ * @file
+ * @brief ADC HAL API.
+ */
+
+#ifndef NRF_ADC_H_
+#define NRF_ADC_H_
+
+/**
+ * @defgroup nrf_adc ADC HAL
+ * @{
+ * @ingroup nrf_drivers
+ * @brief Hardware abstraction layer for managing the analog-to-digital converter.
+ */
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "nrf.h"
+
+/**
+ * @enum nrf_adc_config_resolution_t
+ * @brief Resolution of the analog-to-digital converter.
+ */
+#ifndef NRF52
+typedef enum
+{
+    NRF_ADC_CONFIG_RES_8BIT  = ADC_CONFIG_RES_8bit,  /**< 8 bit resolution. */
+    NRF_ADC_CONFIG_RES_9BIT  = ADC_CONFIG_RES_9bit,  /**< 9 bit resolution. */
+    NRF_ADC_CONFIG_RES_10BIT = ADC_CONFIG_RES_10bit, /**< 10 bit resolution. */
+} nrf_adc_config_resolution_t;
+
+
+/**
+ * @enum nrf_adc_config_scaling_t
+ * @brief Scaling factor of the analog-to-digital conversion.
+ */
+typedef enum
+{
+    NRF_ADC_CONFIG_SCALING_INPUT_FULL_SCALE  = ADC_CONFIG_INPSEL_AnalogInputNoPrescaling,        /**< Full scale input. */
+    NRF_ADC_CONFIG_SCALING_INPUT_TWO_THIRDS  = ADC_CONFIG_INPSEL_AnalogInputTwoThirdsPrescaling, /**< 2/3 scale input. */
+    NRF_ADC_CONFIG_SCALING_INPUT_ONE_THIRD   = ADC_CONFIG_INPSEL_AnalogInputOneThirdPrescaling,  /**< 1/3 scale input. */
+    NRF_ADC_CONFIG_SCALING_SUPPLY_TWO_THIRDS = ADC_CONFIG_INPSEL_SupplyTwoThirdsPrescaling,      /**< 2/3 of supply. */
+    NRF_ADC_CONFIG_SCALING_SUPPLY_ONE_THIRD  = ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling        /**< 1/3 of supply. */
+} nrf_adc_config_scaling_t;
+
+/**
+ * @enum nrf_adc_config_reference_t
+ * @brief Reference selection of the analog-to-digital converter.
+ */
+typedef enum
+{
+    NRF_ADC_CONFIG_REF_VBG              = ADC_CONFIG_REFSEL_VBG,                      /**< 1.2 V reference. */
+    NRF_ADC_CONFIG_REF_SUPPLY_ONE_HALF  = ADC_CONFIG_REFSEL_SupplyOneHalfPrescaling,  /**< 1/2 of power supply. */
+    NRF_ADC_CONFIG_REF_SUPPLY_ONE_THIRD = ADC_CONFIG_REFSEL_SupplyOneThirdPrescaling, /**< 1/3 of power supply. */
+    NRF_ADC_CONFIG_REF_EXT_REF0         = ADC_CONFIG_REFSEL_External |
+                                          ADC_CONFIG_EXTREFSEL_AnalogReference0 <<
+    ADC_CONFIG_EXTREFSEL_Pos, /**< External reference 0. */
+        NRF_ADC_CONFIG_REF_EXT_REF1 = ADC_CONFIG_REFSEL_External |
+                                  ADC_CONFIG_EXTREFSEL_AnalogReference1 << ADC_CONFIG_EXTREFSEL_Pos, /**< External reference 0. */
+} nrf_adc_config_reference_t;
+
+/**
+ * @enum nrf_adc_config_input_t
+ * @brief Input selection of the analog-to-digital converter.
+ */
+typedef enum
+{
+    NRF_ADC_CONFIG_INPUT_DISABLED = ADC_CONFIG_PSEL_Disabled,     /**< No input selected. */
+    NRF_ADC_CONFIG_INPUT_0        = ADC_CONFIG_PSEL_AnalogInput0, /**< Input 0. */
+    NRF_ADC_CONFIG_INPUT_1        = ADC_CONFIG_PSEL_AnalogInput1, /**< Input 1. */
+    NRF_ADC_CONFIG_INPUT_2        = ADC_CONFIG_PSEL_AnalogInput2, /**< Input 2. */
+    NRF_ADC_CONFIG_INPUT_3        = ADC_CONFIG_PSEL_AnalogInput3, /**< Input 3. */
+    NRF_ADC_CONFIG_INPUT_4        = ADC_CONFIG_PSEL_AnalogInput4, /**< Input 4. */
+    NRF_ADC_CONFIG_INPUT_5        = ADC_CONFIG_PSEL_AnalogInput5, /**< Input 5. */
+    NRF_ADC_CONFIG_INPUT_6        = ADC_CONFIG_PSEL_AnalogInput6, /**< Input 6. */
+    NRF_ADC_CONFIG_INPUT_7        = ADC_CONFIG_PSEL_AnalogInput7, /**< Input 7. */
+} nrf_adc_config_input_t;
+
+/**
+ * @enum nrf_adc_task_t
+ * @brief Analog-to-digital converter tasks.
+ */
+typedef enum
+{
+    /*lint -save -e30*/
+    NRF_ADC_TASK_START = offsetof(NRF_ADC_Type, TASKS_START), /**< ADC start sampling task. */
+    NRF_ADC_TASK_STOP  = offsetof(NRF_ADC_Type, TASKS_STOP)   /**< ADC stop sampling task. */
+    /*lint -restore*/
+} nrf_adc_task_t;
+
+/**
+ * @enum nrf_adc_event_t
+ * @brief Analog-to-digital converter events.
+ */
+typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */
+{
+    /*lint -save -e30*/
+    NRF_ADC_EVENT_END = offsetof(NRF_ADC_Type, EVENTS_END) /**< End of conversion event. */
+    /*lint -restore*/
+} nrf_adc_event_t;
+
+/**@brief Analog-to-digital converter configuration. */
+typedef struct
+{
+    nrf_adc_config_resolution_t resolution; /**< ADC resolution. */
+    nrf_adc_config_scaling_t    scaling;    /**< ADC scaling factor. */
+    nrf_adc_config_reference_t  reference;  /**< ADC reference. */
+} nrf_adc_config_t;
+
+/** Default ADC configuration. */
+#define NRF_ADC_CONFIG_DEFAULT { NRF_ADC_CONFIG_RES_10BIT,               \
+                                 NRF_ADC_CONFIG_SCALING_INPUT_ONE_THIRD, \
+                                 NRF_ADC_CONFIG_REF_VBG }
+
+/**
+ * @brief Function for configuring ADC.
+ *
+ * This function powers on the analog-to-digital converter and configures it. 
+ * After the configuration, the ADC is in DISABLE state and must be
+ * enabled before using it.
+ *
+ * @param[in] config Configuration parameters.
+ */
+void nrf_adc_configure(nrf_adc_config_t * config);
+
+/**
+ * @brief Blocking function for executing a single ADC conversion.
+ *
+ * This function selects the desired input, starts a single conversion,
+ * waits for it to finish, and returns the result.
+ * After the input is selected, the analog-to-digital converter
+ * is left in STOP state.
+ * The function does not check if the ADC is initialized and powered.
+ *
+ * @param[in] input Input to be selected.
+ *
+ * @return Conversion result.
+ */
+int32_t nrf_adc_convert_single(nrf_adc_config_input_t input);
+
+/**
+ * @brief Function for selecting ADC input.
+ *
+ * This function selects the active input of ADC. Ensure that
+ * the ADC is powered on and in IDLE state before calling this function.
+ *
+ * @param[in] input Input to be selected.
+ */
+__STATIC_INLINE void nrf_adc_input_select(nrf_adc_config_input_t input)
+{
+    NRF_ADC->CONFIG =
+        ((uint32_t)input << ADC_CONFIG_PSEL_Pos) | (NRF_ADC->CONFIG & ~ADC_CONFIG_PSEL_Msk);
+
+    if (input != NRF_ADC_CONFIG_INPUT_DISABLED)
+    {
+        NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Enabled << ADC_ENABLE_ENABLE_Pos;
+    }
+    else
+    {
+        NRF_ADC->ENABLE = ADC_ENABLE_ENABLE_Disabled << ADC_ENABLE_ENABLE_Pos;
+    }
+}
+
+
+/**
+ * @brief Function for retrieving the ADC conversion result.
+ *
+ * This function retrieves and returns the last analog-to-digital conversion result.
+ *
+ * @return Last conversion result.
+ */
+__STATIC_INLINE int32_t nrf_adc_result_get(void)
+{
+    return (int32_t)NRF_ADC->RESULT;
+}
+
+
+/**
+ * @brief Function for checking whether the ADC is busy.
+ *
+ * This function checks whether the analog-to-digital converter is busy with a conversion.
+ *
+ * @retval true If the ADC is busy.
+ * @retval false If the ADC is not busy.
+ */
+__STATIC_INLINE bool nrf_adc_is_busy(void)
+{
+    return ( (NRF_ADC->BUSY & ADC_BUSY_BUSY_Msk) == ADC_BUSY_BUSY_Msk);
+}
+
+
+/**
+ * @brief Function for enabling interrupts from the ADC.
+ *
+ * @param[in] interrupts Mask of interrupts to be enabled.
+ *
+ * @sa nrf_adc_int_disable()
+ * @sa nrf_adc_int_get()
+ */
+__STATIC_INLINE void nrf_adc_int_enable(uint32_t interrupts)
+{
+    NRF_ADC->INTENSET = interrupts;
+}
+
+
+/**
+ * @brief Function for disabling interrupts from the ADC.
+ *
+ * @param[in] interrupts Mask of interrupts to be disabled.
+ *
+ * @sa nrf_adc_int_enable()
+ * @sa nrf_adc_int_get()
+ */
+__STATIC_INLINE void nrf_adc_int_disable(uint32_t interrupts)
+{
+    NRF_ADC->INTENCLR = interrupts;
+}
+
+
+/**
+ * @brief Function for getting the ADC's enabled interrupts.
+ *
+ * @param[in] mask Mask of interrupts to check.
+ *
+ * @return State of the interrupts selected by the mask.
+ *
+ * @sa nrf_adc_int_enable()
+ * @sa nrf_adc_int_disable()
+ */
+__STATIC_INLINE uint32_t nrf_adc_int_get(uint32_t mask)
+{
+    return (NRF_ADC->INTENSET & mask); // when read this register will return the value of INTEN.
+}
+
+
+/**
+ * @brief Function for starting conversion.
+ *
+ * @sa nrf_adc_stop()
+ *
+ */
+__STATIC_INLINE void nrf_adc_start(void)
+{
+    NRF_ADC->TASKS_START = 1;
+}
+
+
+/**
+ * @brief Function for stopping conversion. 
+ *
+ * If the analog-to-digital converter is in inactive state, power consumption is reduced.
+ *
+ * @sa nrf_adc_start()
+ *
+ */
+__STATIC_INLINE void nrf_adc_stop(void)
+{
+    NRF_ADC->TASKS_STOP = 1;
+}
+
+
+/**
+ * @brief Function for checking if the requested ADC conversion has ended.
+ *
+ * @retval true If the task has finished.
+ * @retval false If the task is still running.
+ */
+__STATIC_INLINE bool nrf_adc_conversion_finished(void)
+{
+    return ((bool)NRF_ADC->EVENTS_END);
+}
+
+/**
+ * @brief Function for cleaning conversion end event.
+ */
+__STATIC_INLINE void nrf_adc_conversion_event_clean(void)
+{
+    NRF_ADC->EVENTS_END = 0;
+}
+
+/**
+ * @brief Function for getting the address of an ADC task register.
+ *
+ * @param[in] adc_task ADC task.
+ *
+ * @return Address of the specified ADC task.
+ */
+__STATIC_INLINE uint32_t * nrf_adc_task_address_get(nrf_adc_task_t adc_task)
+{
+    return (uint32_t *)((uint8_t *)NRF_ADC + adc_task);
+}
+
+
+/**
+ * @brief Function for getting the address of a specific ADC event register.
+ *
+ * @param[in] adc_event ADC event.
+ *
+ * @return Address of the specified ADC event.
+ */
+__STATIC_INLINE uint32_t * nrf_adc_event_address_get(nrf_adc_event_t adc_event)
+{
+    return (uint32_t *)((uint8_t *)NRF_ADC + adc_event);
+}
+
+#endif /* NRF52 */
+/**
+ *@}
+ **/
+
+#endif /* NRF_ADC_H_ */

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_ecb.c

+/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
+*
+* The information contained herein is property of Nordic Semiconductor ASA.
+* Terms and conditions of usage are described in detail in NORDIC
+* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
+*
+* Licensees are granted free, non-transferable use of the information. NO
+* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+* the file.
+*
+* $LastChangedRevision: 25419 $
+*/ 
+
+/** 
+ * @file
+ * @brief Implementation of AES ECB driver
+ */
+
+
+//lint -e438
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include "nrf.h" 
+#include "nrf_ecb.h"
+
+static uint8_t  ecb_data[48];   ///< ECB data structure for RNG peripheral to access.
+static uint8_t* ecb_key;        ///< Key:        Starts at ecb_data 
+static uint8_t* ecb_cleartext;  ///< Cleartext:  Starts at ecb_data + 16 bytes.
+static uint8_t* ecb_ciphertext; ///< Ciphertext: Starts at ecb_data + 32 bytes.
+
+bool nrf_ecb_init(void)
+{
+  ecb_key = ecb_data;
+  ecb_cleartext  = ecb_data + 16;
+  ecb_ciphertext = ecb_data + 32;
+
+  NRF_ECB->ECBDATAPTR = (uint32_t)ecb_data;
+  return true;
+}
+
+
+bool nrf_ecb_crypt(uint8_t * dest_buf, const uint8_t * src_buf)
+{
+   uint32_t counter = 0x1000000;
+   if(src_buf != ecb_cleartext)
+   {
+     memcpy(ecb_cleartext,src_buf,16);
+   }
+   NRF_ECB->EVENTS_ENDECB = 0;
+   NRF_ECB->TASKS_STARTECB = 1;
+   while(NRF_ECB->EVENTS_ENDECB == 0)
+   {
+    counter--;
+    if(counter == 0)
+    {
+      return false;
+    }
+   }
+   NRF_ECB->EVENTS_ENDECB = 0;
+   if(dest_buf != ecb_ciphertext)
+   {
+     memcpy(dest_buf,ecb_ciphertext,16);
+   }
+   return true;
+}
+
+void nrf_ecb_set_key(const uint8_t * key)
+{
+  memcpy(ecb_key,key,16);
+}
+
+

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_ecb.h

+/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is confidential property of Nordic 
+ * Semiconductor ASA.Terms and conditions of usage are described in detail 
+ * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *              
+ * $LastChangedRevision: 13999 $
+ */
+
+/**
+ * @file
+ * @brief ECB driver API.
+ */
+
+#ifndef NRF_ECB_H__
+#define NRF_ECB_H__
+
+/**
+ * @defgroup nrf_ecb AES ECB encryption
+ * @{
+ * @ingroup nrf_drivers
+ * @brief Driver for the AES Electronic Code Book (ECB) peripheral.
+ *
+ * To encrypt and decrypt data, the peripheral must first be powered on
+ * using @ref nrf_ecb_init. Next, the key must be set using @ref nrf_ecb_set_key.
+ */
+
+#include <stdint.h>
+
+/**
+ * @brief Function for initializing and powering on the ECB peripheral.
+ *
+ * This function allocates memory for the ECBDATAPTR.
+ * @retval true If initialization was successful.
+ * @retval false If powering on failed.
+ */
+bool nrf_ecb_init(void);
+
+/**
+ * @brief Function for encrypting and decrypting 16-byte data using current key.
+ *
+ * This function avoids unnecessary copying of data if the parameters point to the 
+ * correct locations in the ECB data structure.
+ *
+ * @param dst Result of encryption/decryption. 16 bytes will be written. 
+ * @param src Source with 16-byte data to be encrypted/decrypted.
+ *
+ * @retval true  If the encryption operation completed.
+ * @retval false If the encryption operation did not complete.
+ */
+bool nrf_ecb_crypt(uint8_t * dst, const uint8_t * src);
+
+/**
+ * @brief Function for setting the key to be used for encryption and decryption.
+ *
+ * @param key Pointer to the key. 16 bytes will be read.
+ */
+void nrf_ecb_set_key(const uint8_t * key);
+
+#endif  // NRF_ECB_H__
+
+/** @} */

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_nvmc.c

+/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
+*
+* The information contained herein is property of Nordic Semiconductor ASA.
+* Terms and conditions of usage are described in detail in NORDIC
+* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
+*
+* Licensees are granted free, non-transferable use of the information. NO
+* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+* the file.
+*
+* $LastChangedRevision: 17685 $
+*/ 
+
+/** 
+ *@file
+ *@brief NMVC driver implementation 
+ */
+
+#include "stdbool.h"
+#include "nrf.h"
+#include "nrf_nvmc.h"
+
+
+void nrf_nvmc_page_erase(uint32_t address)
+{ 
+  // Enable erase.
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Een;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+
+  // Erase the page
+  NRF_NVMC->ERASEPAGE = address;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+  
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+}
+
+
+void nrf_nvmc_write_byte(uint32_t address, uint8_t value)
+{
+  uint32_t byte_shift = address & (uint32_t)0x03;
+  uint32_t address32 = address & ~byte_shift; // Address to the word this byte is in.
+  uint32_t value32 = (*(uint32_t*)address32 & ~((uint32_t)0xFF << (byte_shift << (uint32_t)3)));
+  value32 = value32 + ((uint32_t)value << (byte_shift << 3));
+
+  // Enable write.
+  NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos);
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+
+  *(uint32_t*)address32 = value32;
+  while(NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+
+  NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos);
+  {
+  }
+}
+
+void nrf_nvmc_write_word(uint32_t address, uint32_t value)
+{
+  // Enable write.
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
+  }
+
+  *(uint32_t*)address = value;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy){
+  }
+
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+}
+
+void nrf_nvmc_write_bytes(uint32_t address, const uint8_t * src, uint32_t num_bytes)
+{
+  uint32_t i;
+  for(i=0;i<num_bytes;i++)
+  {
+     nrf_nvmc_write_byte(address+i,src[i]);
+  }
+}
+
+void nrf_nvmc_write_words(uint32_t address, const uint32_t * src, uint32_t num_words)
+{
+  uint32_t i;
+
+  // Enable write.
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+
+  for(i=0;i<num_words;i++)
+  {
+    ((uint32_t*)address)[i] = src[i];
+    while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+    {
+    }
+  }
+
+  NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
+  while (NRF_NVMC->READY == NVMC_READY_READY_Busy)
+  {
+  }
+}
+

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_nvmc.h

+/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is confidential property of Nordic 
+ * Semiconductor ASA.Terms and conditions of usage are described in detail 
+ * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *              
+ * $LastChangedRevision: 17685 $
+ */
+
+/**
+ * @file
+ * @brief NMVC driver API.
+ */
+
+#ifndef NRF_NVMC_H__
+#define NRF_NVMC_H__
+
+#include <stdint.h>
+
+
+/**
+ * @defgroup nrf_nvmc Non-volatile memory controller
+ * @{
+ * @ingroup nrf_drivers
+ * @brief Driver for the NVMC peripheral.
+ *
+ * This driver allows writing to the non-volatile memory (NVM) regions
+ * of the chip. In order to write to NVM the controller must be powered
+ * on and the relevant page must be erased.
+ *
+ */
+
+
+/**
+ * @brief Erase a page in flash. This is required before writing to any
+ * address in the page.
+ *
+ * @param address Start address of the page. 
+ */
+void nrf_nvmc_page_erase(uint32_t address);
+
+
+/**
+ * @brief Write a single byte to flash.
+ *
+ * The function reads the word containing the byte, and then
+ * rewrites the entire word.
+ *
+ * @param address Address to write to.
+ * @param value   Value to write.
+ */
+void nrf_nvmc_write_byte(uint32_t address , uint8_t value);
+
+
+/**
+ * @brief Write a 32-bit word to flash. 
+ * @param address Address to write to.
+ * @param value   Value to write.
+ */
+void nrf_nvmc_write_word(uint32_t address, uint32_t value);
+
+
+/**
+ * @brief Write consecutive bytes to flash.
+ *
+ * @param address   Address to write to.
+ * @param src       Pointer to data to copy from.
+ * @param num_bytes Number of bytes in src to write.
+ */
+void nrf_nvmc_write_bytes(uint32_t  address, const uint8_t * src, uint32_t num_bytes);
+
+
+/**
+ * @brief Write consecutive words to flash.
+ * 
+ * @param address   Address to write to.
+ * @param src       Pointer to data to copy from.
+ * @param num_words Number of bytes in src to write.
+ */
+void nrf_nvmc_write_words(uint32_t address, const uint32_t * src, uint32_t num_words);
+
+
+#endif // NRF_NVMC_H__
+/** @} */
+
+

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_rng.h

+/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**
+ * @file
+ * @brief RNG HAL API.
+ */
+
+#ifndef NRF_RNG_H__
+#define NRF_RNG_H__
+/**
+ * @defgroup nrf_rng_hal RNG HAL
+ * @{
+ * @ingroup nrf_rng
+ * @brief Hardware abstraction layer for managing the random number generator (RNG).
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include "nrf.h"
+
+#define NRF_RNG_TASK_SET    (1UL)
+#define NRF_RNG_EVENT_CLEAR (0UL)
+/**
+ * @enum nrf_rng_task_t
+ * @brief RNG tasks.
+ */
+typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */
+{
+    NRF_RNG_TASK_START = offsetof(NRF_RNG_Type, TASKS_START), /**< Start the random number generator. */
+    NRF_RNG_TASK_STOP  = offsetof(NRF_RNG_Type, TASKS_STOP)   /**< Stop the random number generator. */
+} nrf_rng_task_t;                                             /*lint -restore */
+
+/**
+ * @enum nrf_rng_event_t
+ * @brief RNG events.
+ */
+typedef enum /*lint -save -e30 -esym(628,__INTADDR__) */
+{
+    NRF_RNG_EVENT_VALRDY = offsetof(NRF_RNG_Type, EVENTS_VALRDY) /**< New random number generated event. */
+} nrf_rng_event_t;                                               /*lint -restore */
+
+/**
+ * @enum nrf_rng_int_mask_t
+ * @brief RNG interrupts.
+ */
+typedef enum
+{
+    NRF_RNG_INT_VALRDY_MASK = RNG_INTENSET_VALRDY_Msk /**< Mask for enabling or disabling an interrupt on VALRDY event.  */
+} nrf_rng_int_mask_t;
+
+/**
+ * @enum nrf_rng_short_mask_t
+ * @brief Types of RNG shortcuts.
+ */
+typedef enum
+{
+    NRF_RNG_SHORT_VALRDY_STOP_MASK = RNG_SHORTS_VALRDY_STOP_Msk /**<  Mask for setting shortcut between EVENT_VALRDY and TASK_STOP. */
+} nrf_rng_short_mask_t;
+
+/**
+ * @brief Function for enabling interrupts.
+ *
+ * @param[in]  rng_int_mask              Mask of interrupts.
+ */
+__STATIC_INLINE void nrf_rng_int_enable(uint32_t rng_int_mask)
+{
+    NRF_RNG->INTENSET = rng_int_mask;
+}
+
+/**
+ * @brief Function for disabling interrupts.
+ *
+ * @param[in]  rng_int_mask              Mask of interrupts.
+ */
+__STATIC_INLINE void nrf_rng_int_disable(uint32_t rng_int_mask)
+{
+    NRF_RNG->INTENCLR = rng_int_mask;
+}
+
+/**
+ * @brief Function for getting the state of a specific interrupt.
+ *
+ * @param[in]  rng_int_mask              Interrupt.
+ *
+ * @retval     true                   If the interrupt is not enabled.
+ * @retval     false                  If the interrupt is enabled.
+ */
+__STATIC_INLINE bool nrf_rng_int_get(nrf_rng_int_mask_t rng_int_mask)
+{
+    return (bool)(NRF_RNG->INTENCLR & rng_int_mask);
+}
+
+/**
+ * @brief Function for getting the address of a specific task. 
+ *
+ * This function can be used by the PPI module.
+ *
+ * @param[in]  rng_task              Task.
+ */
+__STATIC_INLINE uint32_t * nrf_rng_task_address_get(nrf_rng_task_t rng_task)
+{
+    return (uint32_t *)((uint8_t *)NRF_RNG + rng_task);
+}
+
+/**
+ * @brief Function for setting a specific task.
+ *
+ * @param[in]  rng_task              Task.
+ */
+__STATIC_INLINE void nrf_rng_task_trigger(nrf_rng_task_t rng_task)
+{
+    *((volatile uint32_t *)((uint8_t *)NRF_RNG + rng_task)) = NRF_RNG_TASK_SET;
+}
+
+/**
+ * @brief Function for getting address of a specific event. 
+ *
+ * This function can be used by the PPI module.
+ *
+ * @param[in]  rng_event              Event.
+ */
+__STATIC_INLINE uint32_t * nrf_rng_event_address_get(nrf_rng_event_t rng_event)
+{
+    return (uint32_t *)((uint8_t *)NRF_RNG + rng_event);
+}
+
+/**
+ * @brief Function for clearing a specific event.
+ *
+ * @param[in]  rng_event              Event.
+ */
+__STATIC_INLINE void nrf_rng_event_clear(nrf_rng_event_t rng_event)
+{
+    *((volatile uint32_t *)((uint8_t *)NRF_RNG + rng_event)) = NRF_RNG_EVENT_CLEAR;
+}
+
+/**
+ * @brief Function for getting the state of a specific event.
+ *
+ * @param[in]  rng_event              Event.
+ *
+ * @retval     true               If the event is not set.
+ * @retval     false              If the event is set.
+ */
+__STATIC_INLINE bool nrf_rng_event_get(nrf_rng_event_t rng_event)
+{
+    return (bool)*((volatile uint32_t *)((uint8_t *)NRF_RNG + rng_event));
+}
+
+/**
+ * @brief Function for setting shortcuts.
+ *
+ * @param[in]  rng_short_mask              Mask of shortcuts.
+ *
+ */
+__STATIC_INLINE void nrf_rng_shorts_enable(uint32_t rng_short_mask)
+{
+     NRF_RNG->SHORTS |= rng_short_mask;
+}
+
+/**
+ * @brief Function for clearing shortcuts.
+ *
+ * @param[in]  rng_short_mask              Mask of shortcuts.
+ *
+ */
+__STATIC_INLINE void nrf_rng_shorts_disable(uint32_t rng_short_mask)
+{
+     NRF_RNG->SHORTS &= ~rng_short_mask;
+}
+
+/**
+ * @brief Function for getting the previously generated random value.
+ *
+ * @return     Previously generated random value.
+ */
+__STATIC_INLINE uint8_t nrf_rng_random_value_get(void)
+{
+    return (uint8_t)(NRF_RNG->VALUE & RNG_VALUE_VALUE_Msk);
+}
+
+/**
+ * @brief Function for enabling digital error correction.
+ */
+__STATIC_INLINE void nrf_rng_error_correction_enable(void)
+{
+    NRF_RNG->CONFIG |= RNG_CONFIG_DERCEN_Msk;
+}
+
+/**
+ * @brief Function for disabling digital error correction.
+ */
+__STATIC_INLINE void nrf_rng_error_correction_disable(void)
+{
+    NRF_RNG->CONFIG &= ~RNG_CONFIG_DERCEN_Msk;
+}
+/**
+ *@}
+ **/
+#endif /* NRF_RNG_H__ */

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_saadc.c

+/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+/**
+ * @file
+ * @brief SAADC HAL implementation
+ */
+
+#include "nrf_saadc.h"
+
+void nrf_saadc_channel_init(uint8_t channel, nrf_saadc_channel_config_t const * const config)
+{
+    NRF_SAADC->CH[channel].CONFIG = 
+            ((config->resistor_p   << SAADC_CH_CONFIG_RESP_Pos)   & SAADC_CH_CONFIG_RESP_Msk)
+            | ((config->resistor_n << SAADC_CH_CONFIG_RESN_Pos)   & SAADC_CH_CONFIG_RESN_Msk)
+            | ((config->gain       << SAADC_CH_CONFIG_GAIN_Pos)   & SAADC_CH_CONFIG_GAIN_Msk)
+            | ((config->reference  << SAADC_CH_CONFIG_REFSEL_Pos) & SAADC_CH_CONFIG_REFSEL_Msk)
+            | ((config->acq_time   << SAADC_CH_CONFIG_TACQ_Pos)   & SAADC_CH_CONFIG_TACQ_Msk)
+            | ((config->mode       << SAADC_CH_CONFIG_MODE_Pos)   & SAADC_CH_CONFIG_MODE_Msk);
+    nrf_saadc_channel_input_set(channel, config->pin_p, config->pin_n);
+    return;
+}

cores/nRF52/nRF52_SDK_0/components/drivers_nrf/hal/nrf_temp.h

+/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+
+#ifndef NRF_TEMP_H__
+#define NRF_TEMP_H__
+
+#include "nrf.h"
+
+/**
+* @defgroup nrf_temperature TEMP (temperature) abstraction
+* @{
+* @ingroup nrf_drivers temperature_example
+* @brief Temperature module init and read functions.
+*
+*/
+
+/**@cond NO_DOXYGEN */
+#define MASK_SIGN           (0x00000200UL)
+#define MASK_SIGN_EXTENSION (0xFFFFFC00UL)
+
+/**
+ * @brief Function for preparing the temp module for temperature measurement.
+ *
+ * This function initializes the TEMP module and writes to the hidden configuration register.
+ */
+static __INLINE void nrf_temp_init(void)
+{
+    /**@note Workaround for PAN_028 rev2.0A anomaly 31 - TEMP: Temperature offset value has to be manually loaded to the TEMP module */
+    *(uint32_t *) 0x4000C504 = 0;
+}
+
+/**
+ * @brief Function for reading temperature measurement.
+ *
+ * The function reads the 10 bit 2's complement value and transforms it to a 32 bit 2's complement value.
+ */
+static __INLINE int32_t nrf_temp_read(void)
+{    
+    /**@note Workaround for PAN_028 rev2.0A anomaly 28 - TEMP: Negative measured values are not represented correctly */
+    return ((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP);    
+}
+/**@endcond */
+
+/** @} */
+
+#endif

cores/nRF52/nRF52_SDK_0/components/libraries/util/nrf_assert.c

+/* Copyright (c) 2006 Nordic Semiconductor. All Rights Reserved.
+ *
+ * The information contained herein is property of Nordic Semiconductor ASA.
+ * Terms and conditions of usage are described in detail in NORDIC
+ * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
+ *
+ * Licensees are granted free, non-transferable use of the information. NO
+ * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
+ * the file.
+ *
+ */
+#include "nrf_assert.h"
+
+#if defined(DEBUG_NRF)
+void assert_nrf_callback(uint16_t line_num, const uint8_t * file_name)
+{
+    (void) file_name; /* Unused parameter */
+    (void) line_num;  /* Unused parameter */
+ 
+    while (1) ;
+}
+#endif /* DEBUG_NRF */