mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Files at this revision

API Documentation at this revision

Revision 306:d33324c3b5a2, committed 2014-09-03

Comitter:
mbed_official
Date:
Wed Sep 03 13:30:08 2014 +0100
Parent:
305:1f0269907d8b
Child:
307:e2f2e83d7c41
Commit message:
Synchronized with git revision 7aedd02f25c846ee1f22665ecc167585a8ad56bb

Full URL: https://github.com/mbedmicro/mbed/commit/7aedd02f25c846ee1f22665ecc167585a8ad56bb/

Changed in this revision

targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51822.c Show annotated file Show diff for this revision Revisions of this file 
--- a/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51822.c	Fri Aug 29 20:45:07 2014 +0100
+++ b/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51822.c	Wed Sep 03 13:30:08 2014 +0100
@@ -22,7 +22,7 @@
 #include "system_nrf51822.h"
 
 
-#define __SYSTEM_CLOCK      (16000000UL)     //!< nRF51 devices use a fixed System Clock Frequency of 16MHz
+#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);
@@ -36,7 +36,6 @@
     uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;
 #endif
 
-
 void SystemCoreClockUpdate(void)
 {
     SystemCoreClock = __SYSTEM_CLOCK;
@@ -44,12 +43,16 @@
 
 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()){
+    if (is_manual_peripheral_setup_needed())
+    {
         *(uint32_t volatile *)0x40000504 = 0xC007FFDF;
         *(uint32_t volatile *)0x40006C18 = 0x00008000;
     }
@@ -57,7 +60,8 @@
     // 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()){
+    if (is_disabled_in_debug_needed())
+    {
         NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos;
     }