76 lines
2.4 KiB
C

/**
* \file
*
* \brief Configuration Change Protection write functions
*
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*
*/
#ifndef CPU_CCP_H
#define CPU_CCP_H
#include "protected_io.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Write to a CCP-protected 8-bit I/O register
*
* \param addr Address of the I/O register
* \param value Value to be written
*
* \note Using IAR Embedded workbench, the choice of memory model has an impact
* on calling convention. The memory model is not visible to the
* preprocessor, so it must be defined in the Assembler preprocessor directives.
*/
static inline void ccp_write_io(void *addr, uint8_t value)
{
protected_write_io(addr, CCP_IOREG_gc, value);
}
/** @} */
/**
* \brief Write to CCP-protected 8-bit SPM register
*
* \param addr Address of the SPM register
* \param value Value to be written
*
* \note Using IAR Embedded workbench, the choice of memory model has an impact
* on calling convention. The memory model is not visible to the
* preprocessor, so it must be defined in the Assembler preprocessor directives.
*/
static inline void ccp_write_spm(void *addr, uint8_t value)
{
protected_write_io(addr, CCP_SPM_gc, value);
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* CPU_CCP_H */