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set_freq for firmware & host. tested basicly checking with debugger value mhz/hz from host to fw.

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This commit is contained in:
TitanMKD
2013-03-07 23:24:00 +01:00
parent f9d72a7f87
commit e3784c886e
5 changed files with 61 additions and 28 deletions
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31
host/libhackrf/src/hackrf.c
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@@ -570,20 +570,39 @@ int hackrf_version_string_read(hackrf_device* device, char* version,
}
}
int hackrf_set_freq(hackrf_device* device, const uint32_t freq_mhz) {
/* TODO add freq_hz in addition from 0 to 999999Hz */
typedef struct {
uint32_t freq_mhz; /* From 30 to 6000MHz */
uint32_t freq_hz; /* From 0 to 999999Hz */
/* Final Freq = freq_mhz+freq_hz */
} set_freq_params_t;
#define FREQ_ONE_MHZ (1000*1000ull)
int hackrf_set_freq(hackrf_device* device, const uint64_t freq_hz)
{
uint32_t l_freq_mhz;
uint32_t l_freq_hz;
set_freq_params_t set_freq_params;
uint8_t length;
/* Convert Freq Hz 64bits to Freq MHz (32bits) & Freq Hz (32bits) */
l_freq_mhz = (uint32_t)(freq_hz / FREQ_ONE_MHZ);
l_freq_hz = (uint32_t)(freq_hz - (((uint64_t)l_freq_mhz) * FREQ_ONE_MHZ));
set_freq_params.freq_mhz = l_freq_mhz;
set_freq_params.freq_hz = l_freq_hz;
length = sizeof(set_freq_params_t);
int result = libusb_control_transfer(
device->usb_device,
LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
HACKRF_VENDOR_REQUEST_SET_FREQ,
freq_mhz & 0xffff,
freq_mhz >> 16,
NULL,
0,
0,
(unsigned char*)&set_freq_params,
length,
0
);
if( result != 0 ) {
if (result < length) {
return HACKRF_ERROR_LIBUSB;
} else {
return HACKRF_SUCCESS;