corea_2.h

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/* This file is part of the HWA project.
 * Copyright (c) 2012,2015 Christophe Duparquet.
 * All rights reserved. Read LICENSE.TXT for details.
 */
 
#define hwa_configure__corea            , _hwa_cfcorea
 
/*  TODO use a list of wake-up sources instead (or in addition)?
 */
 
/*      Optionnal parameter `sleep`
 */
#define _hwa_cfcorea(o,a,k,...)                                 \
  do {                                                                  \
    HW_B(_hwa_cfcorea_ksleep_,_hw_is_sleep_##k)(o,k,__VA_ARGS__,,);     \
  } while(0)
 
#define _hwa_cfcorea_ksleep_0(o,v,...)                                  \
  HW_G2(_hwa_cfcorea_ksleepmode,HW_IS(sleep_mode,v))(o,v,__VA_ARGS__)
 
#define _hwa_cfcorea_ksleep_1(o,k,v,...)                                \
  HW_B(_hwa_cfcorea_vsleep_,_hw_state_##v)(o,v,__VA_ARGS__)
 
#define _hwa_cfcorea_vsleep_0(o,v,...)                                  \
  HW_E(HW_EM_VOAST(v,sleep))
 
#define _hwa_cfcorea_vsleep_1(o,v,k,...)                                \
  _hwa_write( o, se, HW_A1(_hw_state_##v) );                    \
  HW_G2(_hwa_cfcorea_ksleepmode,HW_IS(sleep_mode,k))(o,k,__VA_ARGS__)
 
/*      Optionnal parameter `sleep_mode`
 */
#define hw_sleepmode_idle                       , 0
#define hw_sleepmode_adc_noise_reduction        , 1
#define hw_sleepmode_power_down                 , 2
#define hw_sleepmode_standby                    , 3
 
#define _hwa_cfcorea_ksleepmode_0(o,...)        HW_EOL(__VA_ARGS__)
 
#define _hwa_cfcorea_ksleepmode_1(o,k,v,...)                            \
  HW_B(_hwa_cfcorea_vsleepmode_,hw_sleepmode_##v)(o,v,__VA_ARGS__)
 
#define _hwa_cfcorea_vsleepmode_0(o,v,...)                              \
  HW_E(HW_EM_VAL(v,sleep_mode,(idle,adc_noise_reduction,power_down,standby)))
 
#define _hwa_cfcorea_vsleepmode_1(o,v,...)              \
  _hwa_write( o, sm, HW_A1(hw_sleepmode_##v) ); \
  HW_EOL(__VA_ARGS__)
 
 
#define hw_stat__corea                  , _hw_stat_corea
 
/*  FIXME intf0 should be there
 */
typedef union {
  uint8_t         byte ;
  struct {
    unsigned int porf:   1 ;
    unsigned int extrf:  1 ;
    unsigned int borf:   1 ;
    unsigned int wdrf:   1 ;
    unsigned int __4to7: 4 ;
  };
  struct {
    unsigned int reset_by_power_on:  1 ;
    unsigned int reset_by_reset_pin: 1 ;
    unsigned int reset_by_brown_out: 1 ;
    unsigned int reset_by_watchdog:  1 ;
    unsigned int __4to7_2:           4 ;
  };
} _hw_corea_stat_t ;
 
 
#define _hw_stat_corea(o,a,...) _hw_corea_stat(_hw_read(o, mcusr)) HW_EOL(__VA_ARGS__)
 
HW_INLINE _hw_corea_stat_t _hw_corea_stat( uint8_t byte )
{
  _hw_corea_stat_t      st ;
  st.byte = byte ;
  return st ;
}
 
 
#define hwa_clear__corea                , _hwa_clear_corea
 
#define _hwa_clear_corea(o,a,...)       _hwa_write(o,allrf,0)
 
 
 
/*******************************************************************************
 *                                                                             *
 *      Context management                                                     *
 *                                                                             *
 *******************************************************************************/
 
#define _hwa_setup__corea(o,a)          \
  _hwa_setup_r( o, mcucr  );                    \
  _hwa_setup_r( o, mcusr  );                    \
  _hwa_setup_r( o, osccal )
 
/*  mcusr is not initialized as its status is not known after RESET
 */
#define _hwa_init__corea(o,a)                   \
  _hwa_init_r( o, mcucr,  0x00 );               \
  _hwa_init_r( o, osccal, 0x00 )
 
#define _hwa_commit__corea(o,a)         \
  _hwa_commit_r( o, mcucr  );                   \
  _hwa_commit_r( o, mcusr  );                   \
  _hwa_commit_r( o, osccal )