CLOCK_XMC4: CLOCK_XMC4.c Source File

00001 
00062 /***********************************************************************************************************************
00063  * HEADER FILES                                                                                                      
00064  **********************************************************************************************************************/
00065 #include "clock_xmc4.h"
00066 
00067 /***********************************************************************************************************************
00068  * MACROS
00069  **********************************************************************************************************************/
00070 
00071 /***********************************************************************************************************************
00072  * LOCAL DATA
00073  **********************************************************************************************************************/
00074 
00075 /***********************************************************************************************************************
00076  * LOCAL ROUTINES
00077  **********************************************************************************************************************/
00078 
00079 /***********************************************************************************************************************
00080 * API IMPLEMENTATION
00081 ***********************************************************************************************************************/
00082 /*  API to retrieve version of the APP */
00083 DAVE_APP_VERSION_t CLOCK_XMC4_GetAppVersion(void)
00084 {
00085   DAVE_APP_VERSION_t version;
00086   version.major = (uint8_t)CLOCK_XMC4_MAJOR_VERSION;
00087   version.minor = (uint8_t)CLOCK_XMC4_MINOR_VERSION;
00088   version.patch = (uint8_t)CLOCK_XMC4_PATCH_VERSION;
00089 
00090   return (version);
00091 }
00092 
00093 /*
00094  * API to initialize the CLOCK_XMC4 APP TRAP events
00095  */
00096 CLOCK_XMC4_STATUS_t CLOCK_XMC4_Init(CLOCK_XMC4_t *handle)
00097 {
00098   CLOCK_XMC4_STATUS_t status = CLOCK_XMC4_STATUS_SUCCESS;
00099 
00100   XMC_ASSERT("CLOCK_XMC4 APP handle function pointer uninitialized", (handle != NULL));
00101 
00102   handle->init_status = true;
00103 
00104   return (status);
00105 }
00106 
00107 #ifdef CLOCK_XMC4_OSCHP_ENABLED
00108 /*  API to retrieve high precision external oscillator frequency */
00109 uint32_t OSCHP_GetFrequency(void)
00110 {
00111   return (CLOCK_XMC4_OSCHP_FREQUENCY);
00112 }
00113 #endif
00114 
00115 /*  API for ramping down the system PLL clock frequency */
00116 void CLOCK_XMC4_StepSystemPllFrequency(uint32_t kdiv)
00117 {
00118   XMC_ASSERT("Incorrect kdiv value", ((kdiv >= 1) && (kdiv >= 128)));
00119   XMC_SCU_CLOCK_StepSystemPllFrequency(kdiv);
00120 }