mirror of https://github.com/ARMmbed/mbed-os.git
STM32L0 - Remove special treatment for reading the counter
parent
ae858b4323
commit
c3b8943f66
|
@ -60,37 +60,6 @@ void us_ticker_init(void)
|
|||
HAL_InitTick(0); // The passed value is not used
|
||||
}
|
||||
|
||||
// TODO: Check if still true
|
||||
// For some reason on L0xx series we need to read and clear the
|
||||
// overflow flag which give extra time to propelry handle possible
|
||||
// hiccup after ~60s
|
||||
#if defined(TARGET_L0)
|
||||
uint32_t us_ticker_read()
|
||||
{
|
||||
volatile uint16_t cntH_old, cntH, cntL;
|
||||
|
||||
if (!us_ticker_inited) us_ticker_init();
|
||||
|
||||
do {
|
||||
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1OF) == SET) {
|
||||
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1OF);
|
||||
}
|
||||
cntH_old = SlaveCounter;
|
||||
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
|
||||
cntH_old += 1;
|
||||
}
|
||||
cntL = TIM_MST->CNT;
|
||||
|
||||
cntH = SlaveCounter;
|
||||
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
|
||||
cntH += 1;
|
||||
}
|
||||
} while(cntH_old != cntH);
|
||||
|
||||
// Glue the upper and lower part together to get a 32 bit timer
|
||||
return (uint32_t)(cntH << 16 | cntL);
|
||||
}
|
||||
#else
|
||||
uint32_t us_ticker_read()
|
||||
{
|
||||
uint32_t counter;
|
||||
|
@ -108,7 +77,6 @@ uint32_t us_ticker_read()
|
|||
return counter; // Otherwise return the time stamp calculated here
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
void us_ticker_set_interrupt(timestamp_t timestamp)
|
||||
{
|
||||
|
|
Loading…
Reference in New Issue