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force PLL turn on when assembling device status in VNA mode

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This commit is contained in:
Jan Käberich 2025-04-23 16:18:26 +02:00
parent 8a30f95aa7
commit 4f63a28b61
3 changed files with 11 additions and 2 deletions
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8
Software/VNA_embedded/Application/Drivers/FPGA/FPGA.cpp
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@ -331,15 +331,19 @@ void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) {
} }
} }
void FPGA::StartSweep() { void FPGA::StopSweep() {
Low(AUX3); Low(AUX3);
}
void FPGA::StartSweep() {
StopSweep();
Delay::us(1); Delay::us(1);
High(AUX3); High(AUX3);
} }
void FPGA::AbortSweep() { void FPGA::AbortSweep() {
// abort any FPGA operation by pulling sweep pin low // abort any FPGA operation by pulling sweep pin low
Low(AUX3); StopSweep();
// data transfer of a datapoint might still be active, abort // data transfer of a datapoint might still be active, abort
HAL_SPI_DMAStop(&FPGA_SPI); HAL_SPI_DMAStop(&FPGA_SPI);
busy_reading = false; busy_reading = false;

1
Software/VNA_embedded/Application/Drivers/FPGA/FPGA.hpp
View file

@ -135,6 +135,7 @@ uint16_t GetStatus();
void OverwriteHardware(uint8_t attenuation, LowpassFilter filter, bool lowband, bool port1_enabled, bool port2_enabled); void OverwriteHardware(uint8_t attenuation, LowpassFilter filter, bool lowband, bool port1_enabled, bool port2_enabled);
void DisableHardwareOverwrite(); void DisableHardwareOverwrite();
void StopSweep();
void StartSweep(); void StartSweep();
void AbortSweep(); void AbortSweep();

4
Software/VNA_embedded/Application/VNA.cpp
View file

@ -411,6 +411,10 @@ void VNA::Work() {
if(Trigger::GetMode() != Trigger::Mode::ExtRef) { if(Trigger::GetMode() != Trigger::Mode::ExtRef) {
HW::Ref::update(); HW::Ref::update();
} }
// Stop the sweep. The source may not have been active for the last phase but the PLL
// must be enabled for reading the temperature. Stopping the sweep implicitly enables
// the source PLL
FPGA::StopSweep();
// Compile info packet // Compile info packet
Protocol::PacketInfo packet; Protocol::PacketInfo packet;
packet.type = Protocol::PacketType::DeviceStatus; packet.type = Protocol::PacketType::DeviceStatus;