mount/flipperzero-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

FL-172 Cc1101 freq (#233)

Browse Source 
* specify freq list, remove unused code
* use system resource led
* fix rssi offset
This commit is contained in:
coreglitch 2020-11-13 00:08:40 +06:00 committed by GitHub
parent 38d895956a
commit bf2f6e89ca
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
applications/cc1101-workaround/cc1101-workaround.cpp
View File

@ -3,8 +3,8 @@
#include "cc1101-workaround/cc1101.h" #include "cc1101-workaround/cc1101.h"
#define RSSI_DELAY 5000 //rssi delay in micro second #define RSSI_DELAY 5000 //rssi delay in micro second
#define NUM_OF_SUB_BANDS 7
#define CHAN_SPA 0.05 // channel spacing #define CHAN_SPA 0.05 // channel spacing
#define F_OSC 26e6
int16_t rssi_to_dbm(uint8_t rssi_dec, uint8_t rssiOffset) { int16_t rssi_to_dbm(uint8_t rssi_dec, uint8_t rssiOffset) {
int16_t rssi; int16_t rssi;
@ -37,7 +37,8 @@ void setup_freq(CC1101* cc1101, const FreqConfig* config) {
cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0xB0); // max AGC WAIT_TIME; 0 filter_length cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0xB0); // max AGC WAIT_TIME; 0 filter_length
cc1101->SetMod(GFSK); // set to GFSK for fast rssi measurement | +8 is dcfilter off cc1101->SetMod(GFSK); // set to GFSK for fast rssi measurement | +8 is dcfilter off
cc1101->SetFreq(config->band->reg[0], config->band->reg[1], config->band->reg[2]); uint32_t freq_reg = config->band->base_freq * 1e6 / (F_OSC / 65536);
cc1101->SetFreq((freq_reg >> 16) & 0xFF, (freq_reg >> 8) & 0xFF, (freq_reg)&0xFF);
cc1101->SetChannel(config->channel); cc1101->SetChannel(config->channel);
/* /*
@ -76,7 +77,8 @@ void tx(CC1101* cc1101, const FreqConfig* config) {
cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0x91); //back to recommended config cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0x91); //back to recommended config
*/ */
cc1101->SetFreq(config->band->reg[0], config->band->reg[1], config->band->reg[2]); uint32_t freq_reg = config->band->base_freq * 1e6 / (F_OSC / 65536);
cc1101->SetFreq((freq_reg >> 16) & 0xFF, (freq_reg >> 8) & 0xFF, (freq_reg)&0xFF);
cc1101->SetChannel(config->channel); cc1101->SetChannel(config->channel);
cc1101->SetTransmit(); cc1101->SetTransmit();
@ -86,23 +88,36 @@ void idle(CC1101* cc1101) {
cc1101->SpiStrobe(CC1101_SIDLE); cc1101->SpiStrobe(CC1101_SIDLE);
} }
const Band bands[NUM_OF_SUB_BANDS] = { // f = (f_osc/65536) * (FREQ + CHAN * (256 + CH_SP_M) * 2^(CH_SP_E - 2))
{387, {0x0E, 0xE2, 0x76}, 0, 255, 74}, // FREQ = f / (f_osc/65536)
{399.8, {0x0F, 0x60, 0x76}, 0, 255, 74}, // CHAN = 0
{412.6, {0x0F, 0xDE, 0x76}, 0, 255, 74}, // TODO: CHAN number not implemented!
{425.4, {0x10, 0x5C, 0x76}, 160, 180, 74}, // TODO: reg values not affetcts
{438.2, {0x10, 0xDA, 0x76}, 0, 255, 74},
{451, {0x11, 0x58, 0x8F}, 0, 255, 74}, const Band bands[] = {
{463.8, {0x11, 0xD6, 0x8F}, 0, 4, 74}, {300., {0x00, 0x00, 0x00}, 0, 255, 74},
{315., {0x00, 0x00, 0x00}, 0, 255, 74},
{348., {0x00, 0x00, 0x00}, 0, 255, 74},
{387., {0x00, 0x00, 0x00}, 0, 255, 74},
{433., {0x00, 0x00, 0x00}, 0, 255, 74},
{464., {0x00, 0x00, 0x00}, 0, 255, 74},
{779., {0x00, 0x00, 0x00}, 0, 255, 74},
{868., {0x00, 0x00, 0x00}, 0, 255, 74},
{915., {0x00, 0x00, 0x00}, 0, 255, 74},
{928., {0x00, 0x00, 0x00}, 0, 255, 74},
}; };
const FreqConfig FREQ_LIST[] = { const FreqConfig FREQ_LIST[] = {
{&bands[0], 0}, {&bands[0], 50}, {&bands[0], 100}, {&bands[0], 150}, {&bands[0], 200}, {&bands[0], 0},
{&bands[1], 0}, {&bands[1], 50}, {&bands[1], 100}, {&bands[1], 150}, {&bands[1], 200}, {&bands[1], 0},
{&bands[2], 0}, {&bands[2], 50}, {&bands[2], 100}, {&bands[2], 150}, {&bands[2], 200}, {&bands[2], 0},
{&bands[3], 160}, {&bands[3], 170}, {&bands[4], 0}, {&bands[4], 50}, {&bands[4], 100}, {&bands[3], 0},
{&bands[4], 150}, {&bands[4], 200}, {&bands[5], 0}, {&bands[5], 50}, {&bands[5], 100}, {&bands[4], 0},
{&bands[5], 150}, {&bands[5], 200}, {&bands[6], 0}, {&bands[5], 0},
{&bands[6], 0},
{&bands[7], 0},
{&bands[8], 0},
{&bands[9], 0},
}; };
typedef enum { typedef enum {
@ -256,10 +271,8 @@ extern "C" void cc1101_workaround(void* p) {
// 50khz channel spacing // 50khz channel spacing
cc1101.SpiWriteReg(CC1101_MDMCFG0, 0xF8); cc1101.SpiWriteReg(CC1101_MDMCFG0, 0xF8);
// create pin
GpioPin led = {GPIOA, GPIO_PIN_8};
// TODO open record // TODO open record
GpioPin* led_record = &led; GpioPin* led_record = (GpioPin*)&led_gpio[1];
// configure pin // configure pin
gpio_init(led_record, GpioModeOutputOpenDrain); gpio_init(led_record, GpioModeOutputOpenDrain);
@ -334,54 +347,4 @@ extern "C" void cc1101_workaround(void* p) {
release_mutex(&state_mutex, state); release_mutex(&state_mutex, state);
widget_update(widget); widget_update(widget);
} }
/*
while(1) {
for(uint8_t i = 0; i <= NUM_OF_SUB_BANDS; i++) {
highRSSI[i] = MIN_DBM;
}
activeChannel = 300;
tx(&cc1101, activeBand, activeChannel, 500);
scanFreq(&cc1101);
if(activeChannel < 256 && highRSSI[activeBand] > RSSI_THRESHOLD) {
float freq = base_freq[activeBand] + CHAN_SPA * activeChannel;
printf(
"channel: %d, freq: %d, RSSI: %d\n",
activeChannel,
(uint32_t)(freq * 1000),
highRSSI[activeBand]
);
*
if(tx_on) {
tx(&cc1101, activeBand, activeChannel, 500);
} else {
osDelay(1000);
}
*
} else {
// printf("0 carrier sensed\n");
}
*
uint8_t band = 4; // 438.2 MHz
*
cc1101.SetFreq(freqSettings[band][0], freqSettings[band][1], freqSettings[band][2]);
cc1101.SetChannel(0);
cc1101.SetTransmit();
delay(5000);
cc1101.SpiStrobe(CC1101_SIDLE);
*
delay(1000);
}
*/
} }