From cd9a1c1366b2d5d7680cb76cb99609ce42acfffa Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Mon, 3 Mar 2014 14:08:38 -0700 Subject: [PATCH] high-side injection and graduated IF for tuning from 0 to 2150 MHz --- firmware/common/tuning.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/firmware/common/tuning.c b/firmware/common/tuning.c index 311db74a..0925c5c7 100644 --- a/firmware/common/tuning.c +++ b/firmware/common/tuning.c @@ -66,7 +66,8 @@ bool set_freq(const uint64_t freq) if(freq_mhz < MAX_LP_FREQ_MHZ) { rf_path_set_filter(RF_PATH_FILTER_LOW_PASS); - RFFC5071_freq_mhz = (max2837_freq_nominal_hz / FREQ_ONE_MHZ) - freq_mhz; + max2837_freq_nominal_hz = 2650000000 - (freq / 7); + RFFC5071_freq_mhz = (max2837_freq_nominal_hz / FREQ_ONE_MHZ) + freq_mhz; /* Set Freq and read real freq */ real_RFFC5071_freq_hz = rffc5071_set_frequency(RFFC5071_freq_mhz); if(real_RFFC5071_freq_hz < RFFC5071_freq_mhz * FREQ_ONE_MHZ) @@ -76,7 +77,7 @@ bool set_freq(const uint64_t freq) { tmp_hz = (real_RFFC5071_freq_hz - RFFC5071_freq_mhz * FREQ_ONE_MHZ); } - MAX2837_freq_hz = max2837_freq_nominal_hz + tmp_hz + freq_hz; + MAX2837_freq_hz = max2837_freq_nominal_hz - tmp_hz + freq_hz; max2837_set_frequency(MAX2837_freq_hz); }else if( (freq_mhz >= MIN_BYPASS_FREQ_MHZ) && (freq_mhz < MAX_BYPASS_FREQ_MHZ) ) {