EFM32 Pearl Gecko 1 Software Documentation  efm32pg1-doc-5.1.2
system_efm32pg1b.h
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1 /***************************************************************************/
33 #ifndef SYSTEM_EFM32_H
34 #define SYSTEM_EFM32_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 #include <stdint.h>
41 
42 /*******************************************************************************
43  ************************** GLOBAL VARIABLES *******************************
44  ******************************************************************************/
45 
46 extern uint32_t SystemCoreClock;
47 extern uint32_t SystemHfrcoFreq;
49 /*******************************************************************************
50  ***************************** PROTOTYPES **********************************
51  ******************************************************************************/
52 
53 void Reset_Handler(void);
54 void NMI_Handler(void);
55 void HardFault_Handler(void);
56 void MemManage_Handler(void);
57 void BusFault_Handler(void);
58 void UsageFault_Handler(void);
59 void SVC_Handler(void);
60 void DebugMon_Handler(void);
61 void PendSV_Handler(void);
62 void SysTick_Handler(void);
63 
64 void EMU_IRQHandler(void);
65 void WDOG0_IRQHandler(void);
66 void LDMA_IRQHandler(void);
67 void GPIO_EVEN_IRQHandler(void);
68 void TIMER0_IRQHandler(void);
69 void USART0_RX_IRQHandler(void);
70 void USART0_TX_IRQHandler(void);
71 void ACMP0_IRQHandler(void);
72 void ADC0_IRQHandler(void);
73 void IDAC0_IRQHandler(void);
74 void I2C0_IRQHandler(void);
75 void GPIO_ODD_IRQHandler(void);
76 void TIMER1_IRQHandler(void);
77 void USART1_RX_IRQHandler(void);
78 void USART1_TX_IRQHandler(void);
79 void LEUART0_IRQHandler(void);
80 void PCNT0_IRQHandler(void);
81 void CMU_IRQHandler(void);
82 void MSC_IRQHandler(void);
83 void LETIMER0_IRQHandler(void);
84 void RTCC_IRQHandler(void);
85 void CRYOTIMER_IRQHandler(void);
86 
87 #if (__FPU_PRESENT == 1)
88 void FPUEH_IRQHandler(void);
89 #endif
90 
91 uint32_t SystemCoreClockGet(void);
92 
93 /**************************************************************************/
107 static __INLINE void SystemCoreClockUpdate(void)
108 {
109  SystemCoreClockGet();
110 }
111 
112 uint32_t SystemMaxCoreClockGet(void);
113 
114 void SystemInit(void);
115 uint32_t SystemHFClockGet(void);
116 
117 uint32_t SystemHFXOClockGet(void);
118 void SystemHFXOClockSet(uint32_t freq);
119 
120 uint32_t SystemLFRCOClockGet(void);
121 uint32_t SystemULFRCOClockGet(void);
122 
123 uint32_t SystemLFXOClockGet(void);
124 void SystemLFXOClockSet(uint32_t freq);
125 
126 #ifdef __cplusplus
127 }
128 #endif
129 #endif /* SYSTEM_EFM32_H */
SystemCoreClock
uint32_t SystemCoreClock
System System Clock Frequency (Core Clock).
Definition: system_efm32pg1b.c:100
ADC0_IRQHandler
void ADC0_IRQHandler(void)
Interrupt handler is executed with frequency ~28Hz when panel is not pressed and with frequency ~140H...
Definition: touch.c:224
SystemULFRCOClockGet
uint32_t SystemULFRCOClockGet(void)
Get ultra low frequency RC oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:326
SystemCoreClockGet
uint32_t SystemCoreClockGet(void)
Get the current core clock frequency.
Definition: system_efm32pg1b.c:137
SystemLFXOClockGet
uint32_t SystemLFXOClockGet(void)
Get low frequency crystal oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:343
SystemMaxCoreClockGet
uint32_t SystemMaxCoreClockGet(void)
Get the maximum core clock frequency.
Definition: system_efm32pg1b.c:164
SystemHFClockGet
uint32_t SystemHFClockGet(void)
Get the current HFCLK frequency.
Definition: system_efm32pg1b.c:181
EMU_IRQHandler
void EMU_IRQHandler(void)
EMU Interrupt Handler.
Definition: tempdrv.c:91
SystemHFXOClockGet
uint32_t SystemHFXOClockGet(void)
Get high frequency crystal oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:231
SystemLFXOClockSet
void SystemLFXOClockSet(uint32_t freq)
Set low frequency crystal oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:369
SystemInit
void SystemInit(void)
Initialize the system.
Definition: system_efm32pg1b.c:287
SystemLFRCOClockGet
uint32_t SystemLFRCOClockGet(void)
Get low frequency RC oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:307
SystemCoreClockUpdate
static __INLINE void SystemCoreClockUpdate(void)
Update CMSIS SystemCoreClock variable.
Definition: system_efm32pg1b.h:107
SysTick_Handler
void SysTick_Handler(void)
Interrupt Service Routine for system tick counter.
Definition: util.c:78
SystemHfrcoFreq
uint32_t SystemHfrcoFreq
System HFRCO frequency.
Definition: system_efm32pg1b.c:113
TIMER0_IRQHandler
void TIMER0_IRQHandler(void)
TIMER0 interrupt handler.
Definition: capsense.c:92
SystemHFXOClockSet
void SystemHFXOClockSet(uint32_t freq)
Set high frequency crystal oscillator clock frequency for target system.
Definition: system_efm32pg1b.c:257