libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
Macros
Clock source selection
CM3 Defines » Cortex-M SysTick Defines » STK_CSR Values
Collaboration diagram for Clock source selection:

Macros

#define STK_CSR_CLKSOURCE_EXT   (0 << STK_CSR_CLKSOURCE_LSB)
 
#define STK_CSR_CLKSOURCE_AHB   (1 << STK_CSR_CLKSOURCE_LSB)
 

Detailed Description

Macro Definition Documentation

◆ STK_CSR_CLKSOURCE_AHB

#define STK_CSR_CLKSOURCE_AHB   (1 << STK_CSR_CLKSOURCE_LSB)

Definition at line 117 of file systick.h.

◆ STK_CSR_CLKSOURCE_EXT

#define STK_CSR_CLKSOURCE_EXT   (0 << STK_CSR_CLKSOURCE_LSB)

Definition at line 116 of file systick.h.