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removed check for too low tuning frequency now that we permit tuning down to 0 Hz

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This commit is contained in:
Michael Ossmann
2014-03-03 14:13:56 -07:00
parent cd9a1c1366
commit 768323e28f
1 changed files with 33 additions and 40 deletions
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73
firmware/common/tuning.c
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@ -61,53 +61,46 @@ bool set_freq(const uint64_t freq)
const max2837_mode_t prior_max2837_mode = max2837_mode(); const max2837_mode_t prior_max2837_mode = max2837_mode();
max2837_mode_standby(); max2837_mode_standby();
if(freq_mhz >= MIN_LP_FREQ_MHZ) if(freq_mhz < MAX_LP_FREQ_MHZ)
{ {
if(freq_mhz < MAX_LP_FREQ_MHZ) rf_path_set_filter(RF_PATH_FILTER_LOW_PASS);
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)
{ {
rf_path_set_filter(RF_PATH_FILTER_LOW_PASS); tmp_hz = -(RFFC5071_freq_mhz * FREQ_ONE_MHZ - real_RFFC5071_freq_hz);
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)
{
tmp_hz = -(RFFC5071_freq_mhz * FREQ_ONE_MHZ - real_RFFC5071_freq_hz);
}else
{
tmp_hz = (real_RFFC5071_freq_hz - RFFC5071_freq_mhz * FREQ_ONE_MHZ);
}
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) )
{
rf_path_set_filter(RF_PATH_FILTER_BYPASS);
MAX2837_freq_hz = (freq_mhz * FREQ_ONE_MHZ) + freq_hz;
/* RFFC5071_freq_mhz <= not used in Bypass mode */
max2837_set_frequency(MAX2837_freq_hz);
}else if( (freq_mhz >= MIN_HP_FREQ_MHZ) && (freq_mhz <= MAX_HP_FREQ_MHZ) )
{
rf_path_set_filter(RF_PATH_FILTER_HIGH_PASS);
RFFC5071_freq_mhz = freq_mhz - (max2837_freq_nominal_hz / FREQ_ONE_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)
{
tmp_hz = (RFFC5071_freq_mhz * FREQ_ONE_MHZ - real_RFFC5071_freq_hz);
}else
{
tmp_hz = -(real_RFFC5071_freq_hz - RFFC5071_freq_mhz * FREQ_ONE_MHZ);
}
MAX2837_freq_hz = max2837_freq_nominal_hz + tmp_hz + freq_hz;
max2837_set_frequency(MAX2837_freq_hz);
}else }else
{ {
/* Error freq_mhz too high */ tmp_hz = (real_RFFC5071_freq_hz - RFFC5071_freq_mhz * FREQ_ONE_MHZ);
success = false;
} }
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) )
{
rf_path_set_filter(RF_PATH_FILTER_BYPASS);
MAX2837_freq_hz = (freq_mhz * FREQ_ONE_MHZ) + freq_hz;
/* RFFC5071_freq_mhz <= not used in Bypass mode */
max2837_set_frequency(MAX2837_freq_hz);
}else if( (freq_mhz >= MIN_HP_FREQ_MHZ) && (freq_mhz <= MAX_HP_FREQ_MHZ) )
{
rf_path_set_filter(RF_PATH_FILTER_HIGH_PASS);
RFFC5071_freq_mhz = freq_mhz - (max2837_freq_nominal_hz / FREQ_ONE_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)
{
tmp_hz = (RFFC5071_freq_mhz * FREQ_ONE_MHZ - real_RFFC5071_freq_hz);
}else
{
tmp_hz = -(real_RFFC5071_freq_hz - RFFC5071_freq_mhz * FREQ_ONE_MHZ);
}
MAX2837_freq_hz = max2837_freq_nominal_hz + tmp_hz + freq_hz;
max2837_set_frequency(MAX2837_freq_hz);
}else }else
{ {
/* Error freq_mhz too low */ /* Error freq_mhz too high */
success = false; success = false;
} }
max2837_set_mode(prior_max2837_mode); max2837_set_mode(prior_max2837_mode);