EFM32 Gecko Software Documentation  efm32g-doc-5.1.2
system_efm32g.h
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1 /***************************************************************************/
33 #ifndef SYSTEM_EFM32G_H
34 #define SYSTEM_EFM32G_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;
48 /*******************************************************************************
49  ***************************** PROTOTYPES **********************************
50  ******************************************************************************/
51 
52 /* Interrupt routines - prototypes */
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 DMA_IRQHandler(void);
65 void GPIO_EVEN_IRQHandler(void);
66 void TIMER0_IRQHandler(void);
67 void USART0_RX_IRQHandler(void);
68 void USART0_TX_IRQHandler(void);
69 void ACMP0_IRQHandler(void);
70 void ADC0_IRQHandler(void);
71 void DAC0_IRQHandler(void);
72 void I2C0_IRQHandler(void);
73 void GPIO_ODD_IRQHandler(void);
74 void TIMER1_IRQHandler(void);
75 void TIMER2_IRQHandler(void);
76 void USART1_RX_IRQHandler(void);
77 void USART1_TX_IRQHandler(void);
78 void USART2_RX_IRQHandler(void);
79 void USART2_TX_IRQHandler(void);
80 void UART0_RX_IRQHandler(void);
81 void UART0_TX_IRQHandler(void);
82 void LEUART0_IRQHandler(void);
83 void LEUART1_IRQHandler(void);
84 void LETIMER0_IRQHandler(void);
85 void PCNT0_IRQHandler(void);
86 void PCNT1_IRQHandler(void);
87 void PCNT2_IRQHandler(void);
88 void RTC_IRQHandler(void);
89 void CMU_IRQHandler(void);
90 void VCMP_IRQHandler(void);
91 void LCD_IRQHandler(void);
92 void MSC_IRQHandler(void);
93 void AES_IRQHandler(void);
94 
95 uint32_t SystemCoreClockGet(void);
96 uint32_t SystemMaxCoreClockGet(void);
97 
98 /**************************************************************************/
112 static __INLINE void SystemCoreClockUpdate(void)
113 {
114  SystemCoreClockGet();
115 }
116 
117 void SystemInit(void);
118 uint32_t SystemHFClockGet(void);
119 uint32_t SystemHFXOClockGet(void);
120 void SystemHFXOClockSet(uint32_t freq);
121 uint32_t SystemLFRCOClockGet(void);
122 uint32_t SystemULFRCOClockGet(void);
123 uint32_t SystemLFXOClockGet(void);
124 void SystemLFXOClockSet(uint32_t freq);
125 
126 #ifdef __cplusplus
127 }
128 #endif
129 #endif /* SYSTEM_EFM32G_H */
SystemLFRCOClockGet
uint32_t SystemLFRCOClockGet(void)
Get low frequency RC oscillator clock frequency for target system.
Definition: system_efm32g.c:321
SystemCoreClockGet
uint32_t SystemCoreClockGet(void)
Get the current core clock frequency.
Definition: system_efm32g.c:123
DMA_IRQHandler
void DMA_IRQHandler(void)
Interrupt handler for DMA cycle completion handling.
Definition: em_dma.c:284
SystemHFXOClockSet
void SystemHFXOClockSet(uint32_t freq)
Set high frequency crystal oscillator clock frequency for target system.
Definition: system_efm32g.c:276
SystemLFXOClockGet
uint32_t SystemLFXOClockGet(void)
Get low frequency crystal oscillator clock frequency for target system.
Definition: system_efm32g.c:357
SystemMaxCoreClockGet
uint32_t SystemMaxCoreClockGet(void)
Get the maximum core clock frequency.
Definition: system_efm32g.c:148
SystemULFRCOClockGet
uint32_t SystemULFRCOClockGet(void)
Get ultra low frequency RC oscillator clock frequency for target system.
Definition: system_efm32g.c:340
TIMER0_IRQHandler
void TIMER0_IRQHandler(void)
TIMER0 interrupt handler.
Definition: capsense.c:92
SystemInit
void SystemInit(void)
Initialize the system.
Definition: system_efm32g.c:306
SystemHFClockGet
uint32_t SystemHFClockGet(void)
Get the current HFCLK frequency.
Definition: system_efm32g.c:165
SystemHFXOClockGet
uint32_t SystemHFXOClockGet(void)
Get high frequency crystal oscillator clock frequency for target system.
Definition: system_efm32g.c:250
SystemLFXOClockSet
void SystemLFXOClockSet(uint32_t freq)
Set low frequency crystal oscillator clock frequency for target system.
Definition: system_efm32g.c:383
SysTick_Handler
void SysTick_Handler(void)
Interrupt Service Routine for system tick counter.
Definition: util.c:78
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
SystemCoreClockUpdate
static __INLINE void SystemCoreClockUpdate(void)
Update CMSIS SystemCoreClock variable.
Definition: system_efm32g.h:112
SystemCoreClock
uint32_t SystemCoreClock
System System Clock Frequency (Core Clock).
Definition: system_efm32g.c:100