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mostly white space diffs to Nordic's system startup file

pull/478/head
Rohit Grover 2014-09-03 13:18:02 +01:00
parent 7a1f2cd9b1
commit 7aedd02f25
1 changed files with 8 additions and 4 deletions
libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822

12
libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/system_nrf51822.c
View File

@ -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 @@ static bool is_disabled_in_debug_needed(void);
uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;
#endif
void SystemCoreClockUpdate(void)
{
SystemCoreClock = __SYSTEM_CLOCK;
@ -44,12 +43,16 @@ void SystemCoreClockUpdate(void)
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 @@ void SystemInit(void)
// 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;
}