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Widen frequency argument/return paths in RFFC5071 code.

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This commit is contained in:
Jared Boone
2014-02-19 12:55:32 -08:00
parent 341a6d6ccd
commit 84d7263fa4
3 changed files with 8 additions and 6 deletions
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9
firmware/common/rffc5071.c
View File

@ -1,5 +1,6 @@
/* /*
* Copyright 2012 Michael Ossmann * Copyright 2012 Michael Ossmann
* Copyright 2014 Jared Boone <jared@sharebrained.com>
* *
* This file is part of HackRF. * This file is part of HackRF.
* *
@ -407,12 +408,12 @@ void rffc5071_enable(void) {
#define REF_FREQ 50 #define REF_FREQ 50
/* configure frequency synthesizer in integer mode (lo in MHz) */ /* configure frequency synthesizer in integer mode (lo in MHz) */
uint32_t rffc5071_config_synth_int(uint16_t lo) { uint64_t rffc5071_config_synth_int(uint16_t lo) {
uint8_t lodiv; uint8_t lodiv;
uint16_t fvco; uint16_t fvco;
uint8_t fbkdiv; uint8_t fbkdiv;
uint16_t n; uint16_t n;
uint32_t tune_freq_hz; uint64_t tune_freq_hz;
uint16_t p1nmsb; uint16_t p1nmsb;
uint8_t p1nlsb; uint8_t p1nlsb;
@ -448,7 +449,7 @@ uint32_t rffc5071_config_synth_int(uint16_t lo) {
p1nlsb = (tmp_n >> 5ULL) & 0xff; p1nlsb = (tmp_n >> 5ULL) & 0xff;
//~ tune_freq = REF_FREQ*tmp_n*fbkdiv/lodiv / (1 << 29); //~ tune_freq = REF_FREQ*tmp_n*fbkdiv/lodiv / (1 << 29);
tune_freq_hz = (uint32_t)(REF_FREQ*tmp_n*fbkdiv/lodiv * 1000*1000 / (1 << 29ULL)); tune_freq_hz = REF_FREQ*tmp_n*fbkdiv/lodiv * 1000*1000 / (1 << 29ULL);
LOG("# lo=%d n_lo=%d lodiv=%d fvco=%d fbkdiv=%d n=%d tune_freq_hz=%d\n", LOG("# lo=%d n_lo=%d lodiv=%d fvco=%d fbkdiv=%d n=%d tune_freq_hz=%d\n",
lo, n_lo, lodiv, fvco, fbkdiv, n, tune_freq); lo, n_lo, lodiv, fvco, fbkdiv, n, tune_freq);
@ -472,7 +473,7 @@ uint32_t rffc5071_config_synth_int(uint16_t lo) {
} }
/* !!!!!!!!!!! hz is currently ignored !!!!!!!!!!! */ /* !!!!!!!!!!! hz is currently ignored !!!!!!!!!!! */
uint32_t rffc5071_set_frequency(uint16_t mhz) { uint64_t rffc5071_set_frequency(uint16_t mhz) {
uint32_t tune_freq; uint32_t tune_freq;
rffc5071_disable(); rffc5071_disable();

3
firmware/common/rffc5071.h
View File

@ -1,5 +1,6 @@
/* /*
* Copyright 2012 Michael Ossmann * Copyright 2012 Michael Ossmann
* Copyright 2014 Jared Boone <jared@sharebrained.com>
* *
* This file is part of HackRF. * This file is part of HackRF.
* *
@ -49,7 +50,7 @@ extern void rffc5071_reg_write(uint8_t r, uint16_t v);
extern void rffc5071_regs_commit(void); extern void rffc5071_regs_commit(void);
/* Set frequency (MHz). */ /* Set frequency (MHz). */
extern uint32_t rffc5071_set_frequency(uint16_t mhz); extern uint64_t rffc5071_set_frequency(uint16_t mhz);
/* Set up rx only, tx only, or full duplex. Chip should be disabled /* Set up rx only, tx only, or full duplex. Chip should be disabled
* before _tx, _rx, or _rxtx are called. */ * before _tx, _rx, or _rxtx are called. */

2
firmware/common/tuning.c
View File

@ -51,7 +51,7 @@ bool set_freq(const uint64_t freq)
bool success; bool success;
uint32_t RFFC5071_freq_mhz; uint32_t RFFC5071_freq_mhz;
uint32_t MAX2837_freq_hz; uint32_t MAX2837_freq_hz;
uint32_t real_RFFC5071_freq_hz; uint64_t real_RFFC5071_freq_hz;
uint32_t tmp_hz; uint32_t tmp_hz;
const uint32_t freq_mhz = freq / 1000000; const uint32_t freq_mhz = freq / 1000000;