Defines | |
| #define | Is_ext_reset() ((MCUSR&(1<<EXTRF)) ? TRUE:FALSE) |
| #define | Ack_ext_reset() (MCUSR= ~(1<<EXTRF)) |
| #define | Is_POR_reset() ((MCUSR&(1<<(MCUSR= ~(1<<PORF)))) ? TRUE:FALSE) |
| #define | Ack_POR_reset() (MCUSR= ~(1<<PORF)) |
| #define | Is_BOD_reset() ((MCUSR&(1<<BORF)) ? TRUE:FALSE) |
| #define | Ack_BOD_reset() (MCUSR= ~(1<<BORF)) |
| #define | Is_wdt_reset() ((MCUSR&(1<<WDRF)) ? TRUE:FALSE) |
| #define | Ack_wdt_reset() (MCUSR= ~(1<<WDRF)) |
| #define | Wdt_ack_interrupt() (WDTCSR = (U8)(1<<WDIF)) |
| #define | Is_wdt_interrupt() (WDTCSR&(1<<WDIF) ? TRUE:FALSE) |
| #define | Is_not_wdt_interrupt() (WDTCSR&(1<<WDIF) ? FALSE:TRUE) |
| #define | Is_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? TRUE:FALSE) |
| #define | Is_not_wdt_early_warning() (WDTCKD&(1<<WDEWIF) ? FALSE:TRUE) |
| #define | WDTO_16MS 0 |
| #define | WDTO_32MS 1 |
| #define | WDTO_64MS 2 |
| #define | WDTO_125MS 3 |
| #define | WDTO_250MS 4 |
| #define | WDTO_500MS 5 |
| #define | WDTO_1S 6 |
| #define | WDTO_2S 7 |
| #define | WDTO_4S 8 |
| #define | WDTO_8S 9 |
| #define | Soft_reset() {asm("jmp 0000");} |
Functions | |
| void | wdtdrv_disable (void) |
| This functions stops the hardware watchdog timer. | |
| void | wdtdrv_enable (U8 timeout) |
| This functions activates the hardware watchdog timer. | |
| void | wdtdrv_interrupt_enable (U8 timeout) |
| This functions activates the hardware watchdog timer Interrupt Mode only. | |
| void | wdtdrv_interrupt_reset_enable (U8 timeout) |
| This functions activates the hardware watchdog timer Interrupt & System Reset Mode. | |
Define Documentation
| #define Is_POR_reset | ( | ) | ((MCUSR&(1<<(MCUSR= ~(1<<PORF)))) ? TRUE:FALSE) |
| #define Ack_wdt_reset | ( | ) | (MCUSR= ~(1<<WDRF)) |
Definition at line 67 of file wdt_drv.h.
Referenced by wdtdrv_disable(), wdtdrv_enable(), wdtdrv_interrupt_enable(), and wdtdrv_interrupt_reset_enable().
| #define Is_wdt_interrupt | ( | ) | (WDTCSR&(1<<WDIF) ? TRUE:FALSE) |
| #define Is_not_wdt_interrupt | ( | ) | (WDTCSR&(1<<WDIF) ? FALSE:TRUE) |
| #define Is_wdt_early_warning | ( | ) | (WDTCKD&(1<<WDEWIF) ? TRUE:FALSE) |
| #define Is_not_wdt_early_warning | ( | ) | (WDTCKD&(1<<WDEWIF) ? FALSE:TRUE) |
| #define WDTO_500MS 5 |
Definition at line 80 of file wdt_drv.h.
Referenced by start_boot().
Function Documentation
| void wdtdrv_disable | ( | void | ) |
This functions stops the hardware watchdog timer.
Definition at line 64 of file wdt_drv.c.
References Ack_wdt_reset, and Wdt_reset_instruction.
Referenced by main().
{
U8 save_int=Get_interrupt_state();
Disable_interrupt();
#ifdef __GNUC__
Ack_wdt_reset();
wdt_disable();
#else
Ack_wdt_reset();
Wdt_reset_instruction();
WDTCSR = (1<<WDCE) | (1<<WDE);
WDTCSR = 0x00;
#endif
if(save_int) { Enable_interrupt(); }
}
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| void wdtdrv_enable | ( | U8 | timeout ) |
This functions activates the hardware watchdog timer.
- Parameters:
-
timeout (WDTO_x)
This functions activates the hardware watchdog timer.
- Parameters:
-
timeout (WDTO_x)
Definition at line 89 of file wdt_drv.c.
References Ack_wdt_reset, and Wdt_reset_instruction.
Referenced by start_boot().
{
U8 save_int=Get_interrupt_state();
Disable_interrupt();
#ifdef __GNUC__
Ack_wdt_reset();
wdt_enable(timeout);
#else
timeout = (1<<WDE)| (timeout & 0x08 ? (1<<WDP3) : 0x00) | (timeout & 0x07);
Disable_interrupt();
Wdt_reset_instruction();
WDTCSR = (1<<WDCE) | (1<<WDE);
WDTCSR = timeout;
#endif
if(save_int) { Enable_interrupt(); }
}
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| void wdtdrv_interrupt_enable | ( | U8 | timeout ) |
This functions activates the hardware watchdog timer Interrupt Mode only.
- Parameters:
-
timeout (WDTO_x)
Definition at line 115 of file wdt_drv.c.
References Ack_wdt_reset, and Wdt_reset_instruction.
{
U8 save_int=Get_interrupt_state();
#ifdef __GNUC__
Ack_wdt_reset();
__asm__ __volatile__ ( \
"in __tmp_reg__,__SREG__" "\n\t" \
"cli" "\n\t" \
"wdr" "\n\t" \
"sts %0,%1" "\n\t" \
"out __SREG__,__tmp_reg__" "\n\t" \
"sts %0,%2" \
: /* no outputs */ \
: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
"r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
"r" ((uint8_t) ((timeout & 0x08 ? _WD_PS3_MASK : 0x00) | \
_BV(WDIE) | (timeout & 0x07)) ) \
: "r0" \
);
#else
timeout = (1<<WDIE)| (timeout & 0x08 ? (1<<WDP3) : 0x00) | (timeout & 0x07);
Disable_interrupt();
Wdt_reset_instruction();
WDTCSR = (1<<WDCE) | (1<<WDE);
WDTCSR = timeout;
#endif
if(save_int) { Enable_interrupt(); }
}
| void wdtdrv_interrupt_reset_enable | ( | U8 | timeout ) |
This functions activates the hardware watchdog timer Interrupt & System Reset Mode.
- Parameters:
-
timeout (WDTO_x)
Definition at line 153 of file wdt_drv.c.
References Ack_wdt_reset, and Wdt_reset_instruction.
{
U8 save_int=Get_interrupt_state();
Disable_interrupt();
#ifdef __GNUC__
Ack_wdt_reset();
__asm__ __volatile__ ( \
"in __tmp_reg__,__SREG__" "\n\t" \
"cli" "\n\t" \
"wdr" "\n\t" \
"sts %0,%1" "\n\t" \
"out __SREG__,__tmp_reg__" "\n\t" \
"sts %0,%2" \
: /* no outputs */ \
: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
"r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \
"r" ((uint8_t) ((timeout & 0x08 ? _WD_PS3_MASK : 0x00) | \
_BV(WDE) | _BV(WDIE) | (timeout & 0x07)) ) \
: "r0" \
);
#else
timeout = (1<<WDIE)|(1<<WDE)| (timeout & 0x08 ? (1<<WDP3) : 0x00) | (timeout & 0x07);
Disable_interrupt();
Wdt_reset_instruction();
WDTCSR = (1<<WDCE) | (1<<WDE);
WDTCSR = timeout;
#endif
if(save_int) { Enable_interrupt(); }
}
