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Improving ADF7021 interface, fixing small bugs

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This commit is contained in:
Andy CA6JAU 2017-02-07 13:24:03 -03:00
parent 83d1916b11
commit fc0d47af0a
6 changed files with 55 additions and 43 deletions
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26
IOSTM.cpp
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@ -80,15 +80,33 @@ extern "C" {
}
}
/**
* Function delay_us() from stm32duino project
*
* @brief Delay the given number of microseconds.
*
* @param us Number of microseconds to delay.
*/
static inline void delay_us(uint32_t us) {
us *= 12;
/* fudge for function call overhead */
us--;
asm volatile(" mov r0, %[us] \n\t"
"1: subs r0, #1 \n\t"
" bhi 1b \n\t"
:
: [us] "r" (us)
: "r0");
}
void CIO::delay_rx() {
volatile unsigned int delay;
for(delay = 0;delay<512;delay++);
delay_us(340);
}
void CIO::dlybit(void)
{
volatile unsigned int delay;
for(delay = 0;delay<5;delay++);
delay_us(1);
}
void CIO::Init()