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minor fix 

move constrain() to the start of dBm2range() according to comment.
This commit is contained in:
githubDLG 2020-09-09 15:03:50 +08:00
parent 0827f5a206
commit fc889ea6d1
1 changed files with 2 additions and 1 deletions
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3
src/main/io/spektrum_rssi.c
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@ -93,6 +93,7 @@ static const dbm_table_t dbmTable[] = {
static int8_t dBm2range (int8_t dBm) {
int8_t retval = dbmTable[0].reportAs;
dBm = constrain(dBm, SPEKTRUM_RSSI_MIN, SPEKTRUM_RSSI_MAX);
for ( uint8_t i = 1; i < ARRAYLEN(dbmTable); i++ ) {
if (dBm >= dbmTable[i].dBm) {
// Linear interpolation between table points.
@ -144,7 +145,7 @@ void spektrumHandleRSSI(volatile uint8_t spekFrame[]) {
#ifdef USE_SPEKTRUM_RSSI_PERCENT_CONVERSION
// Do an dBm to percent conversion with an approxatelly linear distance
// and map the percentage to RSSI RC channel range
spekChannelData[rssi_channel] = (uint16_t)(map(dBm2range (constrain(rssi, SPEKTRUM_RSSI_MIN, SPEKTRUM_RSSI_MAX)),
spekChannelData[rssi_channel] = (uint16_t)(map(dBm2range (rssi),
0, 100,
0,resolution));
#else