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Hide the MAX2837 intermediate frequency behind a function. It also prevents leakage of the freq_*_cache variables.

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This commit is contained in:
Jared Boone
2013-09-06 16:28:19 -07:00
parent 1ac3d59875
commit 7c5db57f02
1 changed files with 18 additions and 7 deletions
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25
firmware/hackrf_usb/hackrf_usb.c
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@ -96,8 +96,8 @@ void update_switches(void)
#define MIN_HP_FREQ_MHZ (2700)
#define MAX_HP_FREQ_MHZ (6800)
static uint32_t MAX2837_FREQ_NOMINAL_HZ=2600000000;
#define MAX2837_FREQ_NOMINAL_MHZ (MAX2837_FREQ_NOMINAL_HZ / FREQ_ONE_MHZ)
static uint32_t max2837_freq_nominal_hz=2600000000;
#define MAX2837_FREQ_NOMINAL_MHZ (max2837_freq_nominal_hz / FREQ_ONE_MHZ)
uint32_t freq_mhz_cache=100, freq_hz_cache=0;
/*
@ -132,7 +132,7 @@ bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
{
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);
update_switches();
}else if( (freq_mhz >= MIN_BYPASS_FREQ_MHZ) && (freq_mhz < MAX_BYPASS_FREQ_MHZ) )
@ -158,7 +158,7 @@ bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
{
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);
update_switches();
}else
@ -181,6 +181,15 @@ bool set_freq(uint32_t freq_mhz, uint32_t freq_hz)
return success;
}
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);
}
return success;
}
static void usb_init_buffers_bulk() {
usb_td_bulk[0].next_dtd_pointer = USB_TD_NEXT_DTD_POINTER_TERMINATE;
usb_td_bulk[0].total_bytes
@ -827,9 +836,11 @@ usb_request_status_t usb_vendor_request_set_if_freq(
usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage
) {
if( stage == USB_TRANSFER_STAGE_SETUP ) {
MAX2837_FREQ_NOMINAL_HZ = (uint32_t)endpoint->setup.index * 1000 * 1000;
set_freq(freq_mhz_cache, freq_hz_cache);
usb_endpoint_schedule_ack(endpoint->in);
if( set_freq_if((uint32_t)endpoint->setup.index * 1000 * 1000) ) {
usb_endpoint_schedule_ack(endpoint->in);
} else {
return USB_REQUEST_STATUS_STALL;
}
}
return USB_REQUEST_STATUS_OK;
}