gomaomao/DIY-Multiprotocol-TX-Module
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Fix scanner telemetry (#262)

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* Fix scanner telemetry

* Take several samples per channel, keep maximum value
This commit is contained in:
goebish 2019-09-14 16:07:49 +02:00 committed by pascallanger
parent d7ef15d435
commit 8601149051
1 changed files with 31 additions and 16 deletions
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47
Multiprotocol/Scanner_cc2500.ino
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@ -18,8 +18,9 @@
#include "iface_cc2500.h"
#define SCAN_MAX_RADIOCHANNEL 249 // 2483 MHz
#define SCAN_CHANNEL_LOCK_TIME 300 // with precalibration, channel requires only 90 usec for synthesizer to settle
#define SCAN_AVERAGE_INTVL 30
#define SCAN_CHANNEL_LOCK_TIME 210 // with precalibration, channel requires only 90 usec for synthesizer to settle
#define SCAN_AVERAGE_INTVL 20
#define SCAN_MAX_COUNT 5
#define SCAN_CHANS_PER_PACKET 5
static uint8_t scan_tlm_index;
@ -96,25 +97,38 @@ static int __attribute__((unused)) Scanner_scan_rssi()
uint16_t Scanner_callback()
{
static uint8_t max_count, max_rssi;
uint8_t rssi;
switch (phase)
{
case SCAN_CHANNEL_CHANGE:
rf_ch_num++;
if (rf_ch_num >= (SCAN_MAX_RADIOCHANNEL + 1))
rf_ch_num = 0;
if (scan_tlm_index++ == 0)
pkt[0] = rf_ch_num; // start channel for telemetry packet
Scanner_scan_next();
phase = SCAN_GET_RSSI;
if(telemetry_link == 0) {
max_count = 0;
max_rssi = 0;
rf_ch_num++;
if (rf_ch_num >= (SCAN_MAX_RADIOCHANNEL + 1))
rf_ch_num = 0;
if (scan_tlm_index++ == 0)
pkt[0] = rf_ch_num; // start channel for telemetry packet
Scanner_scan_next();
phase = SCAN_GET_RSSI;
}
return SCAN_CHANNEL_LOCK_TIME;
case SCAN_GET_RSSI:
phase = SCAN_CHANNEL_CHANGE;
pkt[scan_tlm_index] = Scanner_scan_rssi();
if (scan_tlm_index == SCAN_CHANS_PER_PACKET)
{
// send data to TX
telemetry_link = 1;
scan_tlm_index = 0;
rssi = Scanner_scan_rssi();
if(rssi >= max_rssi) {
max_rssi = rssi;
pkt[scan_tlm_index] = rssi;
}
max_count++;
if(max_count > SCAN_MAX_COUNT) {
phase = SCAN_CHANNEL_CHANGE;
if (scan_tlm_index == SCAN_CHANS_PER_PACKET)
{
// send data to TX
telemetry_link = 1;
scan_tlm_index = 0;
}
}
}
return SCAN_AVERAGE_INTVL;
@ -124,6 +138,7 @@ uint16_t initScanner(void)
{
rf_ch_num = SCAN_MAX_RADIOCHANNEL;
scan_tlm_index = 0;
telemetry_link = 0;
phase = SCAN_CHANNEL_CHANGE;
Scanner_cc2500_init();
CC2500_Strobe(CC2500_SRX);