liz/flipperzero-firmware
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wip cc1101 work

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This commit is contained in:
aanper 2020-10-14 10:26:23 +03:00
parent b007b9cb60
commit 3020a2a6b9
4 changed files with 115 additions and 103 deletions
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3
applications/applications.mk
View File

@ -70,7 +70,8 @@ endif
APP_CC1101 ?= 0
ifeq ($(APP_CC1101), 1)
CFLAGS += -DAPP_CC1101
C_SOURCES += $(APP_DIR)/cc1101-workaround/cc1101-workaround.c
CPP_SOURCES += $(APP_DIR)/cc1101-workaround/cc1101-workaround.cpp
CPP_SOURCES += $(APP_DIR)/cc1101-workaround/cc1101.cpp
APP_INPUT = 1
APP_DISPLAY = 1
endif

211
applications/cc1101-workaround/cc1101-workaround.c → applications/cc1101-workaround/cc1101-workaround.cpp
View File

@ -2,7 +2,7 @@
#include "u8g2.h"
#include <stdio.h>
#include "cc1101/cc1101.h"
#include "cc1101-workaround/cc1101.h"
#define MIN_DBM -120
#define STEP_DBM 10
@ -13,44 +13,51 @@
#define START_SUB_BAND 3
#define STOP_SUB_BAND 3
#define NUM_OF_SUB_BANDS 7
#define CAL_INT 20 //cal every 10 channels(every 1MHz)
#define CAL_INT 20 // cal every 10 channels(every 1MHz)
//variables used to calculate rssi
// variables used to calculate rssi
uint8_t rssi_dec;
int16_t rssi_dBm;
uint8_t rssi_offset[NUM_OF_SUB_BANDS] = {74, 74, 74, 74, 74, 74, 74};
#define CHAN_SPA 0.05 //channel spacing
#define CHAN_SPA 0.05 // channel spacing
float base_freq[NUM_OF_SUB_BANDS] = {387, 399.8, 412.6, 425.4, 438.2, 451, 463.8};
//FREQ2,FREQ1,FREQ0
// FREQ2,FREQ1,FREQ0
uint8_t freqSettings[NUM_OF_SUB_BANDS][3] = {
{0x0E, 0xE2, 0x76}, //band0
{0x0E, 0xE2, 0x76}, // band0
{0x0F, 0x60, 0x76},
{0x0F, 0xDE, 0x76}, //band1
{0x0F, 0xDE, 0x76}, // band1
{0x10, 0x5C, 0x76},
{0x10, 0xDA, 0x76},
{0x11, 0x58, 0x8F},
{0x11, 0xD6, 0x8F}}; //band2
//no change in TEST0 WHERE (>430.5MHz) one should change from TEST0=0x0B to 0x09
{0x11, 0xD6, 0x8F}}; // band2
// no change in TEST0 WHERE (>430.5MHz) one should change from TEST0=0x0B to 0x09
uint16_t limitTest0Reg[NUM_OF_SUB_BANDS] = {256, 256, 256, 103, 0, 0, 0};
/* setting to use 50khz channel spacing whole band*****************************************/
//int16_t rssiData[NUM_OF_SUB_BANDS][256];
int16_t rssiTable[256];
uint16_t channelNumber[256];
uint8_t carrierSenseCounter = 0; //counter used to keep track on how many CS has been asserted
// counter used to keep track on how many CS has been asserted
uint8_t carrierSenseCounter = 0;
uint8_t firstChannel[NUM_OF_SUB_BANDS] = {0, 0, 0, 160, 0, 0, 0};
//stop channel in each subband
// stop channel in each subband
uint8_t lastChannel[NUM_OF_SUB_BANDS] = {255, 255, 255, 180, 255, 255, 4};
//initialized to a value lower than the rssi threshold/ higher than channel number
// initialized to a value lower than the rssi threshold/ higher than channel number
int16_t highRSSI[NUM_OF_SUB_BANDS] =
{MIN_DBM, MIN_DBM, MIN_DBM, MIN_DBM, MIN_DBM, MIN_DBM, MIN_DBM};
uint16_t selectedChannel[NUM_OF_SUB_BANDS] = {300, 300, 300, 300, 300, 300, 300};
int8_t activeBand; //store subband that contains strongest signal
uint16_t activeChannel; //
int8_t activeBand; // store subband that contains strongest signal
uint16_t activeChannel;
int16_t calRSSI(uint8_t rssi_dec, uint8_t rssiOffset) {
int16_t rssi;
@ -65,33 +72,33 @@ int16_t calRSSI(uint8_t rssi_dec, uint8_t rssiOffset) {
}
void scanFreq(CC1101* cc1101) {
uint8_t calCounter; //to deterin when to calibrate
uint8_t calCounter; // to determine when to calibrate
uint8_t subBand;
uint16_t channel;
uint16_t i;
float freq;
cc1101->SpiWriteReg(CC1101_MCSM0, 0x08); //disalbe FS_AUTOCAL
cc1101->SpiWriteReg(CC1101_AGCCTRL2, 0x43 | 0x0C); //MAX_DVGA_GAIN to 11 for fast rssi
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->SpiWriteReg(CC1101_MCSM0, 0x08); // disalbe FS_AUTOCAL
cc1101->SpiWriteReg(CC1101_AGCCTRL2, 0x43 | 0x0C); // MAX_DVGA_GAIN to 11 for fast rssi
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
// 1) loop through all sub bands
for(subBand = START_SUB_BAND; subBand < STOP_SUB_BAND + 1; subBand++) {
//1.1) set subBands freq by FREQ2, FREQ1, FREQ0
// 1.1) set subBands freq by FREQ2, FREQ1, FREQ0
cc1101->SetFreq(
freqSettings[subBand][0], freqSettings[subBand][1], freqSettings[subBand][2]);
//1.2) set TEST0--maybe!
//1.3) reset calibration counter
// 1.2) set TEST0--maybe!
// 1.3) reset calibration counter
calCounter = 0;
// 1.4) loop throuhg all channels
for(channel = firstChannel[subBand]; channel <= lastChannel[subBand]; channel++) {
uint8_t pktStatus;
//1.4.1) set channel register
// 1.4.1) set channel register
cc1101->SetChannel(channel);
//1.4.2) set TEST0
// 1.4.2) set TEST0
if(channel == limitTest0Reg[subBand]) {
//set test0 to 0x09
cc1101->SpiWriteReg(CC1101_TEST0, 0x09);
@ -100,18 +107,18 @@ void scanFreq(CC1101* cc1101) {
//clear calCounter to invoke mannual calibration
calCounter = 0;
}
//1.4.3) calibrate every 1MHz
// 1.4.3) calibrate every 1MHz
if(calCounter++ == 0) {
//perform a manual calibration by issuing SCAL command
// perform a manual calibration by issuing SCAL command
cc1101->SpiStrobe(CC1101_SCAL);
}
//1.4.4) reset calCounter when 1MHz reached
// 1.4.4) reset calCounter when 1MHz reached
if(calCounter == CAL_INT) {
calCounter = 0;
}
// 1.4.5-6 enter rx mode
cc1101->SetReceive();
//1.4.7 wait for RSSI to be valid: less than 1.5ms
// 1.4.7 wait for RSSI to be valid: less than 1.5ms
delayMicroseconds(RSSI_DELAY);
// 1.4.8) read PKTSTATUS register while the radio is in RX state
pktStatus = cc1101->SpiReadStatus(CC1101_PKTSTATUS);
@ -122,9 +129,9 @@ void scanFreq(CC1101* cc1101) {
rssi_dec = (uint8_t)cc1101->SpiReadStatus(CC1101_RSSI);
rssi_dBm = calRSSI(rssi_dec, rssi_offset[subBand]);
//rssiData[subBand][channel]=rssi_dBm;
// rssiData[subBand][channel]=rssi_dBm;
if(pktStatus & 0x40) { //CS assearted
//store rssi value and corresponding channel number
// store rssi value and corresponding channel number
rssiTable[carrierSenseCounter] = rssi_dBm;
channelNumber[carrierSenseCounter] = channel;
carrierSenseCounter++;
@ -133,27 +140,29 @@ void scanFreq(CC1101* cc1101) {
#ifdef CC1101_DEBUG
printf("rssi_dBm: %d\n", rssi_dBm);
#endif
} //end channel lop
} // end channel lop
//1.5)before moving to next sub band, scan through rssiTable to find highest rssi value
// 1.5)before moving to next sub band,
// scan through rssiTable to find highest rssi value
for(i = 0; i < carrierSenseCounter; i++) {
if(rssiTable[i] > highRSSI[subBand]) {
highRSSI[subBand] = rssiTable[i];
selectedChannel[subBand] = channelNumber[i];
}
}
// Serial.print("subBand:------------------>");
// printf("subBand:------------------>");
// Serial.println(subBand);
// Serial.print("selectedChannel:");
// Serial.println(selectedChannel[subBand]);
// Serial.print("highRSSI:");
// Serial.println(highRSSI[subBand]);
//1.6) reset carrierSenseCounter
// 1.6) reset carrierSenseCounter
carrierSenseCounter = 0;
} // end band loop
//2) when all sub bands has been scanned , find best subband and channel
// 2) when all sub bands has been scanned , find best subband and channel
int16_t tempRssi = MIN_DBM;
for(subBand = 0; subBand < NUM_OF_SUB_BANDS; subBand++) {
if(highRSSI[subBand] > tempRssi) {
@ -180,16 +189,20 @@ void jamming(CC1101* cc1101, uint8_t band, uint16_t channel, uint16_t miniSec) {
cc1101->SpiStrobe(CC1101_SIDLE);
}
extern QueueHandle_t event_queue;
extern "C" void cc1101_workaround(void* p) {
FuriRecordSubscriber* fb_record =
furi_open_deprecated("u8g2_fb", false, false, NULL, NULL, NULL);
bool jamm_on = false;
if(fb_record == NULL) {
printf("[cc1101] cannot create fb record\n");
furiac_exit(NULL);
}
void set_jam(bool state) {
jamm_on = state;
}
printf("[cc1101] creating device\n");
extern "C" void radio() {
CC1101 cc1101(SS_PIN, GDO0, GDO2);
CC1101 cc1101(GpioPin{CC1101_CS_GPIO_Port, CC1101_CS_Pin});
printf("[cc1101] init device\n");
uint8_t address = cc1101.Init();
@ -199,66 +212,17 @@ extern "C" void radio() {
printf("CC1101 init fail\n");
}
/* setting to use 50khz channel spacing**************************************/
cc1101.SpiWriteReg(
CC1101_MDMCFG4, 0xCD); // RX filter bandwidth 58.035714(0xFD) 100k(0xCD) 200k(0x8D)
cc1101.SpiWriteReg(
CC1101_MDMCFG3, 0x3B); //datarate config 250kBaud for the purpose of fast rssi measurement
cc1101.SpiWriteReg(CC1101_MDMCFG1, 0x20); //FEC preamble etc. last 2 bits for channel spacing
cc1101.SpiWriteReg(CC1101_MDMCFG0, 0xF8); //50khz channel spacing
Event event;
event.type = EventTypeRadio;
// RX filter bandwidth 58.035714(0xFD) 100k(0xCD) 200k(0x8D)
cc1101.SpiWriteReg(CC1101_MDMCFG4, 0xCD);
// datarate config 250kBaud for the purpose of fast rssi measurement
cc1101.SpiWriteReg(CC1101_MDMCFG3, 0x3B);
// FEC preamble etc. last 2 bits for channel spacing
cc1101.SpiWriteReg(CC1101_MDMCFG1, 0x20);
// 50khz channel spacing
cc1101.SpiWriteReg(CC1101_MDMCFG0, 0xF8);
while(1) {
for(uint8_t i = 0; i <= NUM_OF_SUB_BANDS; i++) {
highRSSI[i] = MIN_DBM;
}
activeChannel = 300;
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]
);
*/
event.value.radio.freq = freq;
event.value.radio.rssi_db = highRSSI[activeBand];
xQueueSend(event_queue, (void*)&event, 0);
if(jamm_on) {
jamming(&cc1101, activeBand, activeChannel, 500);
} else {
osDelay(1000);
}
} else {
// printf("0 carrier sensed\n");
}
osDelay(1);
}
}
void cc1101_workaround(void* p) {
FuriRecordSubscriber* fb_record =
furi_open_deprecated("u8g2_fb", false, false, NULL, NULL, NULL);
if(fb_record == NULL) {
printf("[cc1101] cannot create fb record\n");
furiac_exit(NULL);
}
while(1) {
u8g2_t* fb = furi_take(fb_record);
u8g2_t* fb = (u8g2_t*)furi_take(fb_record);
if(fb != NULL) {
u8g2_SetFont(fb, u8g2_font_6x10_mf);
u8g2_SetDrawColor(fb, 1);
@ -267,6 +231,51 @@ void cc1101_workaround(void* p) {
}
furi_commit(fb_record);
/*
for(uint8_t i = 0; i <= NUM_OF_SUB_BANDS; i++) {
highRSSI[i] = MIN_DBM;
}
activeChannel = 300;
jamming(&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(jamm_on) {
jamming(&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);
}
}

2
applications/display-u8g2/display-u8g2.c
View File

@ -124,7 +124,7 @@ typedef struct {
static void handle_fb_change(const void* fb, size_t fb_size, void* raw_ctx) {
DisplayCtx* ctx = (DisplayCtx*)raw_ctx; // make right type
fuprintf(ctx->log, "[display_u8g2] change fb\n");
// fuprintf(ctx->log, "[display_u8g2] change fb\n");
// send update to app thread
xSemaphoreGive(ctx->update);

2
firmware/targets/f2/Inc/main.h
View File

@ -125,6 +125,8 @@ void Error_Handler(void);
#define BUTTON_OK_EXTI_IRQn EXTI9_5_IRQn
/* USER CODE BEGIN Private defines */
#define MISO_PIN GpioPin{.port = GPIOC, .pin = GPIO_PIN_11}
/* USER CODE END Private defines */
#ifdef __cplusplus