HamShield/src/HamShield.h

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// HamShield library collection
// Based on Programming Manual rev. 2.0, 5/19/2011 (RM-MPU-6000A-00)
// 11/22/2013 by Morgan Redfield <redfieldm@gmail.com>
// 04/26/2015 various changes Casey Halverson <spaceneedle@gmail.com>
// 05/08/2017 CTCSS code added
#ifndef _HAMSHIELD_H_
#define _HAMSHIELD_H_
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#include "HamShield_comms.h"
//#include "SimpleFIFO.h"
//#include "AFSK.h"
//#include "DDS.h"
#include <avr/pgmspace.h>
// HamShield constants
#define HAMSHIELD_MORSE_BUFFER_SIZE 80 // Char buffer size for morse code text
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#define HAMSHIELD_AUX_BUTTON 2 // Pin assignment for AUX button
#define HAMSHIELD_PWM_PIN 3 // Pin assignment for PWM output
#define HAMSHIELD_EMPTY_CHANNEL_RSSI -110 // Default threshold where channel is considered "clear"
// button modes
#define PTT_MODE 1
#define RESET_MODE 2
// Device Registers
#define A1846S_CTL_REG 0x30 // control register
#define A1846S_CLK_MODE_REG 0x04 // clk_mode
#define A1846S_PABIAS_REG 0x0A // control register for bias voltage
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//#define A1846S_BAND_SEL_REG 0x0F // band_sel register <1:0>
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#define A1846S_FLAG_REG 0x1C
#define A1846S_GPIO_MODE_REG 0x1F // GPIO mode select register
#define A1846S_FREQ_HI_REG 0x29 // freq<29:16>
#define A1846S_FREQ_LO_REG 0x2A // freq<15:0>
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//#define A1846S_XTAL_FREQ_REG 0x2B // xtal_freq<15:0>
//#define A1846S_ADCLK_FREQ_REG 0x2C // adclk_freq<15:0>
#define A1846S_INT_MODE_REG 0x2D // interrupt enables
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#define A1846S_TX_VOICE_REG 0x3A // tx voice control reg
#define A1846S_TH_H_VOX_REG 0x41 // register holds vox high (open) threshold bits
#define A1846S_TH_L_VOX_REG 0x42 // register holds vox low (shut) threshold bits
#define A1846S_FM_DEV_REG 0x43 // register holds fm deviation settings
#define A1846S_RX_VOLUME_REG 0x44 // register holds RX volume settings
#define A1846S_SQ_OPEN_THRESH_REG 0x48 // see sq
#define A1846S_SQ_SHUT_THRESH_REG 0x49 // see sq
#define A1846S_CTCSS_FREQ_REG 0x4A // ctcss_freq<15:0>
#define A1846S_CDCSS_CODE_HI_REG 0x4B // cdcss_code<23:16>
#define A1846S_CDCSS_CODE_LO_REG 0x4C // cdccs_code<15:0>
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#define A1846S_CTCSS_MODE_REG 0x4e // see ctcss
#define A1846S_SQ_OUT_SEL_REG 0x54 // see sq
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#define A1846S_FILTER_REG 0x58
#define A1846S_CTCSS_THRESH_REG 0x5B
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#define A1846S_RSSI_REG 0x1B // holds RSSI (unit 1dB)
#define A1846S_VSSI_REG 0x1A // holds VSSI (unit mV)
#define A1846S_DTMF_ENABLE_REG 0x7A // holds dtmf_enable
#define A1846S_DTMF_CODE_REG 0x7E // holds dtmf_sample and dtmf_code
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#define A1846S_TONE1_FREQ 0x35 // holds frequency of tone 1 (in 0.1Hz increments)
#define A1846S_TONE2_FREQ 0x36 // holds frequency of tone 2 (in 0.1Hz increments)
#define A1846S_DTMF_TIME_REG 0x7B // holds time intervals for DTMF
// Device Bit Fields
// Bitfields for A1846S_CTL_REG
#define A1846S_CHAN_MODE_BIT 13 //channel_mode<1:0>
#define A1846S_CHAN_MODE_LENGTH 2
#define A1846S_TAIL_ELIM_EN_BIT 11 // enables tail elim when set to 1
#define A1846S_ST_MODE_BIT 9 // set mode for txon and rxon
#define A1846S_ST_MODE_LENGTH 2
#define A1846S_MUTE_BIT 7 // 0 no mute, 1 mute when rxno
#define A1846S_TX_MODE_BIT 6 //tx-on
#define A1846S_RX_MODE_BIT 5 //rx-on
#define A1846S_VOX_ON_BIT 4 // 0 off, 1 on and chip auto-vox
#define A1846S_SQ_ON_BIT 3 // auto sq enable bit
#define A1846S_PWR_DWN_BIT 2 // power control bit
#define A1846S_CHIP_CAL_EN_BIT 1 // 0 cal disable, 1 cal enable
#define A1846S_SOFT_RESET_BIT 0 // 0 normal value, 1 reset all registers to normal value
// Bitfields for A1846S_CLK_MODE_REG
#define A1846S_CLK_MODE_BIT 0 // 0 24-28MHz, 1 12-14MHz
// Bitfields for A1846S_PABIAS_REG
#define A1846S_PABIAS_BIT 5 // pabias_voltage<5:0>
#define A1846S_PABIAS_LENGTH 6
#define A1846S_PADRV_BIT 14 // pabias_voltage<14:11>
#define A1846S_PADRV_LENGTH 4
// Bitfields for A1846S_BAND_SEL_REG
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//#define A1846S_BAND_SEL_BIT 7 // band_sel<1:0>
//#define A1846S_BAND_SEL_LENGTH 2
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// Bitfields for A1846_GPIO_MODE_REG
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#define A1846S_GPIO7_MODE_BIT 15 // <1:0> 00=hi-z,01=vox,10=low,11=hi
#define A1846S_GPIO7_MODE_LENGTH 2
#define A1846S_GPIO6_MODE_BIT 13 // <1:0> 00=hi-z,01=sq or =sq&ctcss/cdcss when sq_out_sel=1,10=low,11=hi
#define A1846S_GPIO6_MODE_LENGTH 2
#define A1846S_GPIO5_MODE_BIT 11 // <1:0> 00=hi-z,01=txon_rf,10=low,11=hi
#define A1846S_GPIO5_MODE_LENGTH 2
#define A1846S_GPIO4_MODE_BIT 9 // <1:0> 00=hi-z,01=rxon_rf,10=low,11=hi
#define A1846S_GPIO4_MODE_LENGTH 2
#define A1846S_GPIO3_MODE_BIT 7 // <1:0> 00=hi-z,01=sdo,10=low,11=hi
#define A1846S_GPIO3_MODE_LENGTH 2
#define A1846S_GPIO2_MODE_BIT 5 // <1:0> 00=hi-z,01=int,10=low,11=hi
#define A1846S_GPIO2_MODE_LENGTH 2
#define A1846S_GPIO1_MODE_BIT 3 // <1:0> 00=hi-z,01=code_out/code_in,10=low,11=hi
#define A1846S_GPIO1_MODE_LENGTH 2
#define A1846S_GPIO0_MODE_BIT 1 // <1:0> 00=hi-z,01=css_out/css_in/css_cmp,10=low,11=hi
#define A1846S_GPIO0_MODE_LENGTH 2
// Bitfields for A1846S_INT_MODE_REG
#define A1846S_CSS_CMP_INT_BIT 9 // css_cmp_uint16_t enable
#define A1846S_RXON_RF_INT_BIT 8 // rxon_rf_uint16_t enable
#define A1846S_TXON_RF_INT_BIT 7 // txon_rf_uint16_t enable
#define A1846S_CTCSS_PHASE_INT_BIT 5 // ctcss phase shift detect uint16_t enable
#define A1846S_IDLE_TIMEOUT_INT_BIT 4 // idle state time out uint16_t enable
#define A1846S_RXON_RF_TIMeOUT_INT_BIT 3 // rxon_rf timerout uint16_t enable
#define A1846S_SQ_INT_BIT 2 // sq uint16_t enable
#define A1846S_TXON_RF_TIMEOUT_INT_BIT 1 // txon_rf time out uint16_t enable
#define A1846S_VOX_INT_BIT 0 // vox uint16_t enable
// Bitfields for A1846S_TX_VOICE_REG
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#define A1846S_VOICE_SEL_BIT 14 //voice_sel<1:0>
#define A1846S_VOICE_SEL_LENGTH 3
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#define A1846S_CTCSS_DET_BIT 5
// Bitfields for A1846S_TH_H_VOX_REG
#define A1846S_TH_H_VOX_BIT 14 // th_h_vox<14:0>
#define A1846S_TH_H_VOX_LENGTH 15
// Bitfields for A1846S_FM_DEV_REG
#define A1846S_FM_DEV_VOICE_BIT 12 // CTCSS/CDCSS and voice deviation <6:0>
#define A1846S_FM_DEV_VOICE_LENGTH 7
#define A1846S_FM_DEV_CSS_BIT 5 // CTCSS/CDCSS deviation only <5:0>
#define A1846S_FM_DEV_CSS_LENGTH 6
// Bitfields for A1846S_RX_VOLUME_REG
#define A1846S_RX_VOL_1_BIT 7 // volume 1 <3:0>, (0000)-15dB~(1111)0dB, step 1dB
#define A1846S_RX_VOL_1_LENGTH 4
#define A1846S_RX_VOL_2_BIT 3 // volume 2 <3:0>, (0000)-15dB~(1111)0dB, step 1dB
#define A1846S_RX_VOL_2_LENGTH 4
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// Bitfields for Sub Audio Bits
#define A1846S_CTDCSS_OUT_SEL_BIT 5
#define A1846S_CTDCSS_DTEN_BIT 4
#define A1846S_CTDCSS_DTEN_LEN 5
#define A1846S_CDCSS_SEL_BIT 6 // cdcss_sel
#define A1846S_CDCSS_INVERT_BIT 6 // cdcss_sel
#define A1846S_SHIFT_SEL_BIT 15
#define A1846S_SHIFT_SEL_LEN 2
// Bitfields for A1846S_SQ_THRESH_REG
#define A1846S_SQ_OPEN_THRESH_BIT 9 // sq open threshold <9:0>
#define A1846S_SQ_OPEN_THRESH_LENGTH 10
// Bitfields for A1846S_SQ_SHUT_THRESH_REG
#define A1846S_SQ_SHUT_THRESH_BIT 9 // sq shut threshold <9:0>
#define A1846S_SQ_SHUT_THRESH_LENGTH 10
// Bitfields for A1846S_SQ_OUT_SEL_REG
#define A1846S_SQ_OUT_SEL_BIT 7 // sq_out_sel
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// Bitfields for A1846S_FILTER_REG
#define A1846S_VXHPF_FILTER_EN 11
#define A1846S_VXLPF_FILTER_EN 12
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#define A1846S_EMPH_FILTER_EN 7
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#define A1846S_VHPF_FILTER_EN 6
#define A1846S_VLPF_FILTER_EN 5
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#define A1846S_CTCSS_FILTER_BYPASS 3
// Bitfields for A1846S_FLAG_REG
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#define A1846S_CTCSS1_FLAG_BIT 9 // 1 when rxon is enabled
#define A1846S_CTCSS2_FLAG_BIT 8 // 1 when txon is enabled
#define A1846S_INVERT_DET_FLAG_BIT 7 // ctcss phase shift detect
#define A1846S_CSS_CMP_FLAG_BIT 2 // ctcss/cdcss compared
#define A1846S_SQ_FLAG_BIT 1 // sq final signal out from dsp
#define A1846S_VOX_FLAG_BIT 0 // vox out from dsp
// Bitfields for A1846S_RSSI_REG
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#define A1846S_RSSI_BIT 15 // RSSI readings <7:0>
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#define A1846S_RSSI_LENGTH 8
// Bitfields for A1846S_VSSI_REG
#define A1846S_VSSI_BIT 14 // voice signal strength indicator <14:0> (unit mV)
#define A1846S_VSSI_LENGTH 15
// Bitfields for A1846S_DTMF_ENABLE_REG
#define A1846S_DTMF_ENABLE_BIT 15
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#define A1846S_TONE_DETECT 14
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#define A18462_DTMF_DET_TIME_BIT 7
#define A18462_DTMF_DET_TIME_LEN 8
// Bitfields for A1846S_DTMF_SAMPLE_REG
#define A1846S_DTMF_SAMPLE_BIT 4
#define A1846S_DTMF_CODE_BIT 3
#define A1846S_DTMF_CODE_LEN 4
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#define A1846S_DTMF_TX_IDLE_BIT 5
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// Bitfields for A1846S_DTMF_TIME_REG
#define A1846S_DUALTONE_TX_TIME_BIT 5 // duration of dual tone TX (via DTMF) in 2.5ms increments
#define A1846S_DUALTONE_TX_TIME_LEN 6
#define A1846S_DTMF_IDLE_TIME_BIT 11
#define A1846S_DTMF_IDLE_TIME_LEN 6
// SSTV VIS Codes
#define ROBOT8BW 2
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#define SC2_180 55
#define MARTIN1 44
// RTTY Frequencies
#define HAMSHIELD_RTTY_FREQ 2200
#define HAMSHIELD_RTTY_SHIFT 850
#define HAMSHIELD_RTTY_BAUD 75
// PSK31 Frequencies
#define HAMSHIELD_PSK31_FREQ 1000
class HamShield {
public:
// public singleton for ISRs to reference
static HamShield *sHamShield; // HamShield singleton, used for ISRs mostly
HamShield();
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HamShield(uint8_t cs_pin);
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void initialize(); // defaults to 12.5kHz
void initialize(bool narrowBand); // select 12.5kHz if true or 25kHz if false
void setupWideBand();
void setupNarrowBand();
bool testConnection();
// read control reg
uint16_t readCtlReg();
void softReset();
// restrictions control
void dangerMode();
void safeMode();
bool frequency(uint32_t freq_khz);
bool frequency_float(float freq_khz);
uint32_t getFrequency();
float getFrequency_float();
// channel mode
// 11 - 25kHz channel
// 00 - 12.5kHz channel
// 10,01 - reserved
void setChanMode(uint16_t mode);
uint16_t getChanMode();
void setModeTransmit(); // turn off rx, turn on tx
void setModeReceive(); // turn on rx, turn off tx
void setModeOff(); // turn off rx, turn off tx, set pwr_dwn bit
// set tx source
// 00 - Mic source
// 01 - sine source from tone2
// 10 - tx code from GPIO1 code_in (gpio1<1:0> must be set to 01)
// 11 - no tx source
void setTxSource(uint16_t tx_source);
void setTxSourceMic();
void setTxSourceTone1();
void setTxSourceTone2();
void setTxSourceTones();
void setTxSourceNone();
uint16_t getTxSource();
// PA bias voltage is unused (maybe remove this)
// set PA_bias voltage
// 000000: 1.01V
// 000001:1.05V
// 000010:1.09V
// 000100: 1.18V
// 001000: 1.34V
// 010000: 1.68V
// 100000: 2.45V
// 1111111:3.13V
void setPABiasVoltage(uint16_t voltage);
uint16_t getPABiasVoltage();
// Subaudio settings
// Ctcss/cdcss mode sel
void setCtcssCdcssMode(uint16_t mode);
uint16_t getCtcssCdcssMode();
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void setDetPhaseShift();
void setDetInvertCdcss();
void setDetCdcss();
void setDetCtcss();
void disableCtcssCdcss();
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// ctcss settings
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void setCtcss(float freq_Hz);
void setCtcssFreq(uint16_t freq_milliHz);
uint16_t getCtcssFreqMilliHz();
float getCtcssFreqHz();
void setCtcssFreqToStandard(); // freq must be 134.4Hz for standard cdcss mode
void enableCtcss();
void disableCtcss();
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void setCtcssDetThreshIn(uint8_t thresh);
uint8_t getCtcssDetThreshIn();
void setCtcssDetThreshOut(uint8_t thresh);
uint8_t getCtcssDetThreshOut();
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bool getCtcssToneDetected();
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// Ctcss_sel
// 1 = ctcss_cmp/cdcss_cmp out via gpio
// 0 = ctcss/cdcss sdo out vio gpio
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void setCtcssGpioSel(bool cmp_nsdo);
bool getCtcssGpioSel();
void setCdcssInvert(bool invert);
bool getCdcssInvert();
// Cdcss_sel
// 1 = long (24 bit) code
// 0 = short(23 bit) code
void setCdcssSel(bool long_nshort);
bool getCdcssSel();
// Cdcss neg_det_en
bool getCdcssNegDetEnabled();
// Cdcss pos_det_en
bool getCdcssPosDetEnabled();
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// ctss_det_en
bool getCtssDetEnabled();
// cdcss codes
void setCdcssCode(uint16_t code);
uint16_t getCdcssCode();
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// SQ
void setSQOn();
void setSQOff();
bool getSQState();
// SQ threshold
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void setSQHiThresh(int16_t sq_hi_threshold); // Sq detect high th, rssi_cmp will be 1 when rssi>th_h_sq, unit 1dB
int16_t getSQHiThresh();
void setSQLoThresh(int16_t sq_lo_threshold); // Sq detect low th, rssi_cmp will be 0 when rssi<th_l_sq && time delay meet, unit 1dB
int16_t getSQLoThresh();
// SQ out select
void setSQOutSel();
void clearSQOutSel();
bool getSQOutSel();
// VOX
void setVoxOn();
void setVoxOff();
bool getVoxOn();
// Vox Threshold
void setVoxOpenThresh(uint16_t vox_open_thresh); // When vssi > th_h_vox, then vox will be 1(unit mV )
uint16_t getVoxOpenThresh();
void setVoxShutThresh(uint16_t vox_shut_thresh); // When vssi < th_l_vox && time delay meet, then vox will be 0 (unit mV )
uint16_t getVoxShutThresh();
// Tail Noise
void enableTailNoiseElim();
void disableTailNoiseElim();
bool getTailNoiseElimEnabled();
// tail noise shift select
// Select ctcss phase shift when use tail eliminating function when TX
// 00 = 120 degree shift
// 01 = 180 degree shift
// 10 = 240 degree shift
// 11 = reserved
void setShiftSelect(uint16_t shift_sel);
uint16_t getShiftSelect();
// DTMF
// Reading a single DTMF code:
// enableDTMFReceive()
// while (getDTMFSample() == 0) { delay(10); }
// uint16_t code = getDTMFCode();
// while (getDTMFSample() == 1) { delay(10); }
// disableDTMF();
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// Writing a single DTMF code:
// setDTMFCode(code); // code is a uint16_t from 0x0 to 0xF
void enableDTMFReceive();
void setDTMFDetectTime(uint16_t detect_time);
uint16_t getDTMFDetectTime();
void setDTMFIdleTime(uint16_t idle_time); // idle time is time between DTMF Tone
uint16_t getDTMFIdleTime();
void setDTMFTxTime(uint16_t tx_time); // tx time is duration of DTMF Tone
uint16_t getDTMFTxTime();
uint16_t disableDTMF();
uint16_t getDTMFSample();
uint16_t getDTMFCode();
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uint16_t getDTMFTxActive();
void setDTMFCode(uint16_t code);
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// Tone
void lookForTone(uint16_t tone_hz);
uint8_t toneDetected();
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// TX FM deviation
void setFMVoiceCssDeviation(uint16_t deviation);
uint16_t getFMVoiceCssDeviation();
void setFMCssDeviation(uint16_t deviation);
uint16_t getFMCssDeviation();
// RX voice range
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void setMute();
void setUnmute();
void setVolume1(uint16_t volume);
uint16_t getVolume1();
void setVolume2(uint16_t volume);
uint16_t getVolume2();
// GPIO
void setGpioMode(uint16_t gpio, uint16_t mode);
void setGpioHiZ(uint16_t gpio);
void setGpioFcn(uint16_t gpio);
void setGpioLow(uint16_t gpio);
void setGpioHi(uint16_t gpio);
uint16_t getGpioMode(uint16_t gpio);
void setGpios(uint16_t mode);
uint16_t getGpios();
// Int
void enableInterrupt(uint16_t interrupt);
void disableInterrupt(uint16_t interrupt);
bool getInterruptEnabled(uint16_t interrupt);
// ST mode
void setStMode(uint16_t mode);
uint16_t getStMode();
void setStFullAuto();
void setStRxAutoTxManu();
void setStFullManu();
// Pre-emphasis, De-emphasis filter
void bypassPreDeEmph();
void usePreDeEmph();
bool getPreDeEmphEnabled();
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// Voice filters
void bypassVoiceHpf();
void useVoiceHpf();
bool getVoiceHpfEnabled();
void bypassVoiceLpf();
void useVoiceLpf();
bool getVoiceLpfEnabled();
// Vox filters
void bypassVoxHpf();
void useVoxHpf();
bool getVoxHpfEnabled();
void bypassVoxLpf();
void useVoxLpf();
bool getVoxLpfEnabled();
// Read Only Status Registers
int16_t readRSSI();
uint16_t readVSSI();
// set output power of radio
void setRfPower(uint8_t pwr);
// channel helper functions
bool setGMRSChannel(uint8_t channel);
bool setFRSChannel(uint8_t channel);
bool setMURSChannel(uint8_t channel);
bool setWXChannel(uint8_t channel);
uint8_t scanWXChannel();
// utilities
uint32_t scanMode(uint32_t start,uint32_t stop, uint8_t speed, uint16_t step, uint16_t threshold);
uint32_t findWhitespace(uint32_t start,uint32_t stop, uint8_t dwell, uint16_t step, uint16_t threshold);
uint32_t scanChannels(uint32_t buffer[],uint8_t buffsize, uint8_t speed, uint16_t threshold);
uint32_t findWhitespaceChannels(uint32_t buffer[],uint8_t buffsize, uint8_t dwell, uint16_t threshold);
void buttonMode(uint8_t mode);
static void isr_ptt();
static void isr_reset();
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unsigned int getMorseFreq();
void setMorseFreq(unsigned int morse_freq_hz);
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unsigned int getMorseDotMillis();
void setMorseDotMillis(unsigned int morse_dot_dur_millis);
void morseOut(char buffer[HAMSHIELD_MORSE_BUFFER_SIZE]);
uint8_t morseLookup(char letter);
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uint8_t morseReverseLookup(uint8_t itu);
bool waitForChannel(long timeout, long breakwindow, int setRSSI);
void SSTVVISCode(int code);
void SSTVTestPattern(int code);
void toneWait(uint16_t freq, long timer);
void toneWaitU(uint16_t freq, long timer);
bool parityCalc(int code);
private:
uint8_t devAddr;
uint16_t radio_i2c_buf[4];
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bool tx_active;
bool rx_active;
float radio_frequency;
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/* uint32_t FRS[];
uint32_t GMRS[];
uint32_t MURS[];
uint32_t WX[];
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*/
// private utility functions
// these functions should not be called in the Arduino sketch
// just use the above public functions to do everything
void setFrequency(uint32_t freq_khz);
void setTxBand2m();
void setTxBand1_2m();
void setTxBand70cm();
// xtal frequency (kHz)
// 12-14MHz crystal: this reg is set to crystal freq_khz
// 24-28MHz crystal: this reg is set to crystal freq_khz / 2
void setXtalFreq(uint16_t freq_kHz);
uint16_t getXtalFreq();
// adclk frequency (kHz)
// 12-14MHz crystal: this reg is set to crystal freq_khz / 2
// 24-28MHz crystal: this reg is set to crystal freq_khz / 4
void setAdcClkFreq(uint16_t freq_kHz);
uint16_t getAdcClkFreq();
// clk mode
// 12-14MHz: set to 1
// 24-28MHz: set to 0
void setClkMode(bool LFClk);
bool getClkMode();
// choose tx or rx
void setTX(bool on_noff);
bool getTX();
void setRX(bool on_noff);
bool getRX();
};
#endif /* _HAMSHIELD_H_ */