FL-172 Cc1101 freq (#233)
* specify freq list, remove unused code * use system resource led * fix rssi offset
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@ -3,8 +3,8 @@
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#include "cc1101-workaround/cc1101.h"
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#define RSSI_DELAY 5000 //rssi delay in micro second
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#define NUM_OF_SUB_BANDS 7
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#define CHAN_SPA 0.05 // channel spacing
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#define F_OSC 26e6
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int16_t rssi_to_dbm(uint8_t rssi_dec, uint8_t rssiOffset) {
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int16_t rssi;
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@ -37,7 +37,8 @@ void setup_freq(CC1101* cc1101, const FreqConfig* config) {
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cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0xB0); // max AGC WAIT_TIME; 0 filter_length
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cc1101->SetMod(GFSK); // set to GFSK for fast rssi measurement | +8 is dcfilter off
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cc1101->SetFreq(config->band->reg[0], config->band->reg[1], config->band->reg[2]);
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uint32_t freq_reg = config->band->base_freq * 1e6 / (F_OSC / 65536);
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cc1101->SetFreq((freq_reg >> 16) & 0xFF, (freq_reg >> 8) & 0xFF, (freq_reg)&0xFF);
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cc1101->SetChannel(config->channel);
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/*
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@ -76,7 +77,8 @@ void tx(CC1101* cc1101, const FreqConfig* config) {
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cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0x91); //back to recommended config
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*/
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cc1101->SetFreq(config->band->reg[0], config->band->reg[1], config->band->reg[2]);
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uint32_t freq_reg = config->band->base_freq * 1e6 / (F_OSC / 65536);
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cc1101->SetFreq((freq_reg >> 16) & 0xFF, (freq_reg >> 8) & 0xFF, (freq_reg)&0xFF);
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cc1101->SetChannel(config->channel);
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cc1101->SetTransmit();
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@ -86,23 +88,36 @@ void idle(CC1101* cc1101) {
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cc1101->SpiStrobe(CC1101_SIDLE);
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}
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const Band bands[NUM_OF_SUB_BANDS] = {
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{387, {0x0E, 0xE2, 0x76}, 0, 255, 74},
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{399.8, {0x0F, 0x60, 0x76}, 0, 255, 74},
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{412.6, {0x0F, 0xDE, 0x76}, 0, 255, 74},
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{425.4, {0x10, 0x5C, 0x76}, 160, 180, 74},
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{438.2, {0x10, 0xDA, 0x76}, 0, 255, 74},
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{451, {0x11, 0x58, 0x8F}, 0, 255, 74},
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{463.8, {0x11, 0xD6, 0x8F}, 0, 4, 74},
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// f = (f_osc/65536) * (FREQ + CHAN * (256 + CH_SP_M) * 2^(CH_SP_E - 2))
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// FREQ = f / (f_osc/65536)
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// CHAN = 0
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// TODO: CHAN number not implemented!
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// TODO: reg values not affetcts
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const Band bands[] = {
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{300., {0x00, 0x00, 0x00}, 0, 255, 74},
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{315., {0x00, 0x00, 0x00}, 0, 255, 74},
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{348., {0x00, 0x00, 0x00}, 0, 255, 74},
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{387., {0x00, 0x00, 0x00}, 0, 255, 74},
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{433., {0x00, 0x00, 0x00}, 0, 255, 74},
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{464., {0x00, 0x00, 0x00}, 0, 255, 74},
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{779., {0x00, 0x00, 0x00}, 0, 255, 74},
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{868., {0x00, 0x00, 0x00}, 0, 255, 74},
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{915., {0x00, 0x00, 0x00}, 0, 255, 74},
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{928., {0x00, 0x00, 0x00}, 0, 255, 74},
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};
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const FreqConfig FREQ_LIST[] = {
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{&bands[0], 0}, {&bands[0], 50}, {&bands[0], 100}, {&bands[0], 150}, {&bands[0], 200},
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{&bands[1], 0}, {&bands[1], 50}, {&bands[1], 100}, {&bands[1], 150}, {&bands[1], 200},
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{&bands[2], 0}, {&bands[2], 50}, {&bands[2], 100}, {&bands[2], 150}, {&bands[2], 200},
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{&bands[3], 160}, {&bands[3], 170}, {&bands[4], 0}, {&bands[4], 50}, {&bands[4], 100},
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{&bands[4], 150}, {&bands[4], 200}, {&bands[5], 0}, {&bands[5], 50}, {&bands[5], 100},
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{&bands[5], 150}, {&bands[5], 200}, {&bands[6], 0},
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{&bands[0], 0},
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{&bands[1], 0},
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{&bands[2], 0},
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{&bands[3], 0},
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{&bands[4], 0},
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{&bands[5], 0},
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{&bands[6], 0},
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{&bands[7], 0},
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{&bands[8], 0},
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{&bands[9], 0},
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};
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typedef enum {
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@ -256,10 +271,8 @@ extern "C" void cc1101_workaround(void* p) {
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// 50khz channel spacing
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cc1101.SpiWriteReg(CC1101_MDMCFG0, 0xF8);
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// create pin
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GpioPin led = {GPIOA, GPIO_PIN_8};
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// TODO open record
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GpioPin* led_record = &led;
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GpioPin* led_record = (GpioPin*)&led_gpio[1];
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// configure pin
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gpio_init(led_record, GpioModeOutputOpenDrain);
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@ -334,54 +347,4 @@ extern "C" void cc1101_workaround(void* p) {
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release_mutex(&state_mutex, state);
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widget_update(widget);
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}
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/*
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while(1) {
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for(uint8_t i = 0; i <= NUM_OF_SUB_BANDS; i++) {
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highRSSI[i] = MIN_DBM;
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}
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activeChannel = 300;
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tx(&cc1101, activeBand, activeChannel, 500);
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scanFreq(&cc1101);
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if(activeChannel < 256 && highRSSI[activeBand] > RSSI_THRESHOLD) {
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float freq = base_freq[activeBand] + CHAN_SPA * activeChannel;
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printf(
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"channel: %d, freq: %d, RSSI: %d\n",
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activeChannel,
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(uint32_t)(freq * 1000),
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highRSSI[activeBand]
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);
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*
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if(tx_on) {
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tx(&cc1101, activeBand, activeChannel, 500);
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} else {
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osDelay(1000);
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}
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*
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} else {
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// printf("0 carrier sensed\n");
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}
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*
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uint8_t band = 4; // 438.2 MHz
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*
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cc1101.SetFreq(freqSettings[band][0], freqSettings[band][1], freqSettings[band][2]);
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cc1101.SetChannel(0);
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cc1101.SetTransmit();
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delay(5000);
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cc1101.SpiStrobe(CC1101_SIDLE);
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*
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delay(1000);
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}
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*/
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}
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