hal.h

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/**************************************************************************/
/**************************************************************************/

#ifndef _TUSB_HAL_H_
#define _TUSB_HAL_H_

//--------------------------------------------------------------------+
// INCLUDES
//--------------------------------------------------------------------+
#include "tusb_option.h"
#include "common/primitive_types.h"
#include "common/tusb_errors.h"
#include "common/compiler/compiler.h"

// callback from tusb.h
extern void tusb_isr(uint8_t coreid);

//--------------------------------------------------------------------+
// HAL API
//--------------------------------------------------------------------+
tusb_error_t hal_init(void);

static inline void hal_interrupt_enable(uint8_t coreid) ATTR_ALWAYS_INLINE;

static inline void hal_interrupt_disable(uint8_t coreid) ATTR_ALWAYS_INLINE;

//--------------------------------------------------------------------+
// INCLUDE DRIVEN
//--------------------------------------------------------------------+
#if TUSB_CFG_MCU == MCU_LPC11UXX
  #include "hal_lpc11uxx.h"
#elif TUSB_CFG_MCU == MCU_LPC13UXX
  #include "hal_lpc13uxx.h"
#elif TUSB_CFG_MCU == MCU_LPC43XX
  #include "hal_lpc43xx.h"
#elif TUSB_CFG_MCU == MCU_LPC175X_6X
  #include "hal_lpc175x_6x.h"
#else
  #error MCU is not defined or supported yet
#endif

#ifdef __cplusplus
extern "C" {
#endif


static inline bool hal_debugger_is_attached(void) ATTR_PURE ATTR_ALWAYS_INLINE;
static inline bool hal_debugger_is_attached(void)
{
// TODO check core M3/M4 defined instead
#if !defined(_TEST_) && !(TUSB_CFG_MCU==MCU_LPC11UXX)
  return ( (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) == CoreDebug_DHCSR_C_DEBUGEN_Msk );
#elif TUSB_CFG_DEBUG == 3
  return true; // force to break into breakpoint with debug = 3
#else
  return false
#endif
}

static inline void hal_debugger_breakpoint(void) ATTR_ALWAYS_INLINE;
static inline void hal_debugger_breakpoint(void)
{
#ifndef _TEST_
  if (hal_debugger_is_attached()) /* if there is debugger connected */
  {
    __asm("BKPT #0\n");
  }
#endif
}

#ifdef __cplusplus
 }
#endif

#endif /* _TUSB_HAL_H_ */