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Added options for tuning CLKOUT freq.

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- Now we have variable CLKOUT.
- CLKOUT can be set between 10kHz and 60MHz.
(The output signal will become mostly sine shape when reaching 50MHz.)
- Click on freq setting field to change tuning step.
This commit is contained in:
dqs105 2020-10-24 00:24:05 +08:00
parent 699504a703
commit 7ca322fed4
5 changed files with 80 additions and 4 deletions
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19
firmware/common/portapack_persistent_memory.cpp
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@ -63,6 +63,10 @@ using modem_repeat_range_t = range_t<int32_t>;
constexpr modem_repeat_range_t modem_repeat_range { 1, 99 };
constexpr int32_t modem_repeat_reset_value { 5 };
using clkout_freq_range_t = range_t<uint32_t>;
constexpr clkout_freq_range_t clkout_freq_range { 10, 60000 };
constexpr uint32_t clkout_freq_reset_value { 10000 };
/* struct must pack the same way on M4 and M0 cores. */
struct data_t {
int64_t tuned_frequency;
@ -295,5 +299,20 @@ void set_clkout_enabled(bool enable) {
data->ui_config = (data->ui_config & ~0x08000000UL) | (enable << 27);
}
uint32_t clkout_freq() {
uint16_t freq = (data->ui_config & 0x000FFFF0) >> 4;
if(freq < clkout_freq_range.minimum || freq > clkout_freq_range.maximum) {
data->ui_config = (data->ui_config & ~0x000FFFF0) | clkout_freq_reset_value << 4;
return clkout_freq_reset_value;
}
else {
return freq;
}
}
void set_clkout_freq(uint32_t freq) {
data->ui_config = (data->ui_config & ~0x000FFFF0) | (clkout_freq_range.clip(freq) << 4);
}
} /* namespace persistent_memory */
} /* namespace portapack */