mbed library sources
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targets/cmsis/TARGET_Atmel/TARGET_SAM21/TARGET_SAMD21J18A/system_samd21.c
- Committer:
- mbed_official
- Date:
- 2015-07-17
- Revision:
- 592:a274ee790e56
- Parent:
- 579:53297373a894
File content as of revision 592:a274ee790e56:
#include "samd21j18a.h" /** * Initial system clock frequency. The System RC Oscillator (RCSYS) provides * the source for the main clock at chip startup. */ #define __SYSTEM_CLOCK (1000000) uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/ /** * Initialize the system * * @brief Setup the microcontroller system. * Initialize the System and update the SystemCoreClock variable. */ void SystemInit(void) { // Keep the default device state after reset SystemCoreClock = __SYSTEM_CLOCK; return; } /** * Update SystemCoreClock variable * * @brief Updates the SystemCoreClock with current core Clock * retrieved from cpu registers. */ void SystemCoreClockUpdate(void) { // Not implemented SystemCoreClock = __SYSTEM_CLOCK; return; }