diff --git a/source/nordic_sdk/components/toolchain/system_nrf51.c b/source/nordic_sdk/components/toolchain/system_nrf51.c deleted file mode 100644 index f837c63..0000000 --- a/source/nordic_sdk/components/toolchain/system_nrf51.c +++ /dev/null @@ -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 -#include -#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" */ diff --git a/source/nordic_sdk/components/toolchain/system_nrf51.h b/source/nordic_sdk/components/toolchain/system_nrf51.h deleted file mode 100644 index 776547e..0000000 --- a/source/nordic_sdk/components/toolchain/system_nrf51.h +++ /dev/null @@ -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 - - -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 */