Initial release

Fork of nrf51-sdk by Lancaster University

Files at this revision

API Documentation at this revision

Comitter:
LancasterUniversity
Date:
Fri Apr 08 15:10:53 2016 +0100
Parent:
5:f2faa0f0b8f0
Child:
9:7935d1749ea8
Commit message:
Synchronized with git rev 85dd2e7a
Author: James Devine
nrf51-sdk: removed unneccessary files from the nrf51-sdk repository, for mbed 2.0 compatability

Changed in this revision

source/nordic_sdk/components/toolchain/system_nrf51.c Show diff for this revision Revisions of this file
source/nordic_sdk/components/toolchain/system_nrf51.h Show diff for this revision Revisions of this file
--- a/source/nordic_sdk/components/toolchain/system_nrf51.c	Wed Apr 06 23:55:25 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,137 +0,0 @@
-/*
- * Copyright (c) Nordic Semiconductor ASA
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright notice, this
- *   list of conditions and the following disclaimer in the documentation and/or
- *   other materials provided with the distribution.
- *
- *   3. Neither the name of Nordic Semiconductor ASA nor the names of other
- *   contributors to this software may be used to endorse or promote products
- *   derived from this software without specific prior written permission.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/* NOTE: Template files (including this one) are application specific and therefore expected to 
-   be copied into the application project folder prior to its use! */
-
-#include <stdint.h>
-#include <stdbool.h>
-#include "nrf.h"
-#include "system_nrf51.h"
-
-/*lint ++flb "Enter library region" */
-
-
-#define __SYSTEM_CLOCK      (16000000UL)     /*!< nRF51 devices use a fixed System Clock Frequency of 16MHz */
-
-static bool is_manual_peripheral_setup_needed(void);
-static bool is_disabled_in_debug_needed(void);
-
-
-#if defined ( __CC_ARM )
-    uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;  
-#elif defined ( __ICCARM__ )
-    __root uint32_t SystemCoreClock = __SYSTEM_CLOCK;
-#elif defined   ( __GNUC__ )
-    uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;
-#endif
-
-#ifndef YOTTA_CFG_HARDWARE_CLOCKS_NRF_LFCLK_SRC
-#   define YOTTA_CFG_HARDWARE_CLOCKS_NRF_LFCLK_SRC 1UL /* The default is to wait for LFLCK to start */
-#endif
-
-void SystemCoreClockUpdate(void)
-{
-    SystemCoreClock = __SYSTEM_CLOCK;
-}
-
-void SystemInit(void)
-{
-    /* If desired, switch off the unused RAM to lower consumption by the use of RAMON register.
-       It can also be done in the application main() function. */
-
-    /* Prepare the peripherals for use as indicated by the PAN 26 "System: Manual setup is required
-       to enable the use of peripherals" found at Product Anomaly document for your device found at
-       https://www.nordicsemi.com/. The side effect of executing these instructions in the devices 
-       that do not need it is that the new peripherals in the second generation devices (LPCOMP for
-       example) will not be available. */
-    if (is_manual_peripheral_setup_needed())
-    {
-        *(uint32_t volatile *)0x40000504 = 0xC007FFDF;
-        *(uint32_t volatile *)0x40006C18 = 0x00008000;
-    }
-    
-    /* Disable PROTENSET registers under debug, as indicated by PAN 59 "MPU: Reset value of DISABLEINDEBUG
-       register is incorrect" found at Product Anomaly document four your device found at 
-       https://www.nordicsemi.com/. There is no side effect of using these instruction if not needed. */
-    if (is_disabled_in_debug_needed())
-    {
-        NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos;
-    }
-
-    // Start the external 32khz crystal oscillator.
-    NRF_CLOCK->LFCLKSRC             = (YOTTA_CFG_HARDWARE_CLOCKS_NRF_LFCLK_SRC << CLOCK_LFCLKSRC_SRC_Pos);
-    NRF_CLOCK->EVENTS_LFCLKSTARTED  = 0;
-    NRF_CLOCK->TASKS_LFCLKSTART     = 1;
-
-    // Wait for the external oscillator to start up.
-    while (NRF_CLOCK->EVENTS_LFCLKSTARTED == 0) {
-        // Do nothing.
-    }
-}
-
-
-static bool is_manual_peripheral_setup_needed(void) 
-{
-    if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x1) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0))
-    {
-        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x00) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))
-        {
-            return true;
-        }
-        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x10) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))
-        {
-            return true;
-        }
-        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x30) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))
-        {
-            return true;
-        }
-    }
-    
-    return false;
-}
-
-static bool is_disabled_in_debug_needed(void) 
-{
-    if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x1) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0))
-    {
-        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x40) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))
-        {
-            return true;
-        }
-    }
-    
-    return false;
-}
-
-/*lint --flb "Leave library region" */
--- a/source/nordic_sdk/components/toolchain/system_nrf51.h	Wed Apr 06 23:55:25 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,71 +0,0 @@
-/*
- * Copyright (c) Nordic Semiconductor ASA
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright notice, this
- *   list of conditions and the following disclaimer in the documentation and/or
- *   other materials provided with the distribution.
- *
- *   3. Neither the name of Nordic Semiconductor ASA nor the names of other
- *   contributors to this software may be used to endorse or promote products
- *   derived from this software without specific prior written permission.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef SYSTEM_NRF51_H
-#define SYSTEM_NRF51_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdint.h>
-
-
-extern uint32_t SystemCoreClock;    /*!< System Clock Frequency (Core Clock)  */
-
-/**
- * Initialize the system
- *
- * @param  none
- * @return none
- *
- * @brief  Setup the microcontroller system.
- *         Initialize the System and update the SystemCoreClock variable.
- */
-extern void SystemInit (void);
-
-/**
- * Update SystemCoreClock variable
- *
- * @param  none
- * @return none
- *
- * @brief  Updates the SystemCoreClock with current core Clock 
- *         retrieved from cpu registers.
- */
-extern void SystemCoreClockUpdate (void);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* SYSTEM_NRF51_H */