STMicroelectronics STM32 - Figure 51. SemihostingSwo Configuration with IAR EWARM

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IAR™ EWARM
IAR™ EWARM provides an integrated access to SWO.
Redirection of printf and scanf is possible using Library Configuration options as shown in
Figure 51.
Figure 51. Semihosting/SWO configuration with IAR™ EWARM
Care must be taken that clock setup is correct by using ST-LINK -> Communication Pane
as illustrated in
Figure 52.