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Adjust tuning API to use a single 64-bit integer for frequency in Hz, since the Cortex-M4F has good support for uint64_t.

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This commit is contained in:
Jared Boone
2013-12-31 20:12:47 -08:00
parent 7f35ceaff2
commit fc5ec03353
3 changed files with 10 additions and 7 deletions
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12
firmware/common/tuning.c
View File

@ -40,13 +40,13 @@
static uint32_t max2837_freq_nominal_hz=2560000000;
uint32_t freq_mhz_cache=100, freq_hz_cache=0;
uint64_t freq_cache = 100000000;
/*
* Set freq/tuning between 5MHz to 6800 MHz (less than 16bits really used)
* hz between 0 to 999999 Hz (not checked)
* return false on error or true if success.
*/
bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
bool set_freq(const uint64_t freq)
{
bool success;
uint32_t RFFC5071_freq_mhz;
@ -54,6 +54,9 @@ bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
uint32_t real_RFFC5071_freq_hz;
uint32_t tmp_hz;
const uint32_t freq_mhz = freq / 1000000;
const uint32_t freq_hz = freq % 1000000;
success = true;
const max2837_mode_t prior_max2837_mode = max2837_mode();
@ -107,8 +110,7 @@ bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
success = false;
}
max2837_set_mode(prior_max2837_mode);
freq_mhz_cache = freq_mhz;
freq_hz_cache = freq_hz;
freq_cache = freq;
return success;
}
@ -116,7 +118,7 @@ bool set_freq_if(const uint32_t freq_if_hz) {
bool success = false;
if( (freq_if_hz >= MIN_BYPASS_FREQ_MHZ) && (freq_if_hz <= MAX_BYPASS_FREQ_MHZ) ) {
max2837_freq_nominal_hz = freq_if_hz;
success = set_freq(freq_mhz_cache, freq_hz_cache);
success = set_freq(freq_cache);
}
return success;
}

2
firmware/common/tuning.h
View File

@ -26,7 +26,7 @@
#include <stdint.h>
#include <stdbool.h>
bool set_freq(uint32_t freq_mhz, uint32_t freq_hz);
bool set_freq(const uint64_t freq);
bool set_freq_if(const uint32_t freq_if_hz);
#endif/*__TUNING_H__*/

3
firmware/hackrf_usb/usb_api_transceiver.c
View File

@ -75,7 +75,8 @@ usb_request_status_t usb_vendor_request_set_freq(
return USB_REQUEST_STATUS_OK;
} else if (stage == USB_TRANSFER_STAGE_DATA)
{
if( set_freq(set_freq_params.freq_mhz, set_freq_params.freq_hz) )
const uint64_t freq = set_freq_params.freq_mhz * 1000000 + set_freq_params.freq_hz;
if( set_freq(freq) )
{
usb_transfer_schedule_ack(endpoint->in);
return USB_REQUEST_STATUS_OK;