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50 lines
1016 B
50 lines
1016 B
#include "libmftypes.h"
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#include "libmfradio.h"
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#define RADIO 5051
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#include "radiodefs.h"
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#if DEEPSLEEP
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__reentrantb void radio_enter_deepsleep(void) __reentrant
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{
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PORTR |= 0x09;
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// ensure last bit read before entering deep sleep is a zero;
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// this is held until after wakeup is complete; otherwise,
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// the wakeup protocol will not work
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RADIO_PWRMODE = PWRMODE_PWRDOWN;
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RADIO_PWRMODE = PWRMODE_DEEPSLEEP;
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RADIOMUX &= (uint8_t)~0x40;
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// turn off pull-up if MISO is driven low
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PORTR &= 0xF7 | PINR;
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}
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__reentrantb uint8_t radio_wakeup_deepsleep(void) __reentrant
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{
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DIRR = 0x15;
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PORTR = 0xEB;
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RADIOMUX = 0x07;
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RADIOACC = RACC;
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#if defined SDCC
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RADIOFDATAADDR = FDATA;
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RADIOFSTATADDR = FSTAT;
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#else
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RADIOFDATAADDR0 = (FDATA) & 0xFF;
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RADIOFDATAADDR1 = (FDATA) >> 8;
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RADIOFSTATADDR0 = (FSTAT) & 0xFF;
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RADIOFSTATADDR1 = (FSTAT) >> 8;
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#endif
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GPIOENABLE = 1;
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{
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uint8_t i = radio_wakeup_deepsleep_core();
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if (i)
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return i;
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}
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if (radio_probeirq())
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return RADIO_ERR_IRQ;
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return 0;
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}
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#endif
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