#ifndef RDA1846_H
#define RDA1846_H
#define DEBUGPRINT
//#define DEBUGPRINTI2C
/* Retro-compatibility with arduino 0023 and previous version */
#if ARDUINO >= 100
#include "Arduino.h"
#define I2CWRITE(x) Wire.write(x)
#define I2CREAD() Wire.read()
#else
#include "WProgram.h"
#define I2CWRITE(x) Wire.send(x)
#define I2CREAD() Wire.receive()
#endif
#include <inttypes.h>
#ifndef I2CTIMEOUT
#define I2CTIMEOUT 100
#endif
#ifndef RDA_SEN
#define RDA_SEN 0
#endif
#if RDA_SEN
#define RDA_ADDRESS 0b0101110 //0x2E
#else
#define RDA_ADDRESS 0x71 //0x71
#endif
//some default values may be in question
//Registers attempted to be identified from various sources. Documentation leaves a
lot to be desired...
#define REG_CHIP_ID 0x00 //Chip ID default:0x1846
#define REG_MID 0x01 //Metal Revision ID default:0x0007
#define REG_ADC 0x03 //default:0x2B51
//BIT[12]tx_adc_reset_dr 1=enable direct
reg 0=disable direct reg
//BIT[11]tx_adc_reset_reg 1=enable reset
adc 0=disable reset adc
#define REG_CLK_MODE 0x04
#define REG_LDO_BYPASS 0x08 //default:0x02A0
//BIT[14] 1=bypass all LDOs inside
RDA1846S. 0=normal. VHF Band must be 0.
#define RGD_LDO_CONTROL 0x09 //default:0x03C2
//BIT[9:7] ldo_dig_vbit If
08H[14]=0,control LDO Vout for digital. 100=2.20V 101=2.40V 110=2.80V 111=3.30V
#define REG_PABIAS 0x0A //BIT[4:11]padrv_ibit 10:6pga_gain
5:0pabias_voltage
#define REG_PLL_LOCK 0x0D //BIT[15:0]=Pll Unlock 1=pll lock (read only)
#define REG_RF_BAND 0x0F
#define REG_TUNING 0x15 //BIT[12:9]tuning_bit Tuning IF filter center freq & bw
#define REG_GPIO 0x1F
#define REG_PLL 0x24 //default:0x0001
//BIT[15]pll_lock_det_sel
BIT[14:13]reset_pll_lock_delay BIT[7]dsp_resetn_dr 6dsp_resetn_reg
//BIT[15] 1=bypass pll lock det function
//BIT[14:13] pll_lock_delay
// 00=10uS
// 01=20uS
// 10=30uS
// 11=40uS
#define REG_FREQ_H 0x29
#define REG_FREQ_L 0x2A //default:3A84
#define REG_XTAL_FREQ 0x2B
#define REG_ADC_FREQ 0x2C
#define REG_INT 0x2D
#define REG_MODE 0x30 //default:0x0000
//BIT[15] - other
//BIT[14] - xtal_mode 1=26MHz/13MHz
0=25.6MHz/12.8MHz
//BIT[13] - filter_band_sel Analog Filter Band
1=25khz 0=12.5khz
//BIT[12] - band_mode_sel DSP Band Mode Select
1=25khz 0=12.5khz
//BIT[11] - tail_elim_en 1=enable eliminate
tail noise, 0= disable eliminate
//BIT[10] - direct_reg 1=enable direct reg
0=disable
//BIT[9:8] - other
//BIT[7] - mute 1=mute 0=no mute
//BIT[6] - tx_on
//BIT[5] - rx_on
//BIT[4] - vox_on 1=enable vox 0=disable vox
//BIT[3] - sq_on 1=auto squelch 0=off
//BIT[2] - pdn_reg 1=follow PDN pin, 0=disbale
//BIT[1] - chip_cal_en 1=cal enable, 0=cal
disable
//BIT[0] - soft_reset 1=reset-all registers
reset to default, 0=normal
#define REG_AGC 0x32 //default:0x7497
//bits 11:6=agc_target_pwr unit=2dB
#define REG_TONE1_FREQ 0x35
#define REG_TONE2_FREQ 0x36
#define REG_OUTSEL 0x3A //default:0x40C3
//BIT[15] code_out_sel 1=output code sample
signal via GPIO3, 0=output dtmf_sample/dtmf_idle signal VIA GPIO3
//BIT[14:12] voice_sel voice path select
//BIT[11] sq_out_sel 1=gpio6=sq_cmp &
sub_aud_cmp; 0=gpio6=sq_smp
//BIT[10:6] sq_dten sq condition enable
//BIT[5] ctcss/cdcss_out_sel - Select
CTCSS/CDCSS mode for rx
//BIT[4:0] ctcss/cdcss_deten = Select
CTCSS/CDCSS detect mode for Rx
#define REG_TXVOICE_CHAN 0x3C
#define REG_VOX_H 0x41 //default:0x4006 BIT[6:0]voice_gain_tx
#define REG_VOX_L 0x42
#define REG_TX_DEVIATION 0x43
#define REG_RX_VOL 0x44 //default:00FF
//BIT[11:8] Voice digital gain after tx ADC
down sample
//BIT[7:4] Analog DAC gain
//BIT[3:0] Digital Voice Gain
#define REG_SUBAUDIO 0x45
#define REG_SQ_H 0x48
#define REG_SQ_L 0x49
#define REG_CTCSS_FREQ 0x4A
#define REG_CTCSS_CODE_H 0x4B
#define REG_CTCSS_CODE_L 0x4C
#define REG_CTCSS_PHASE 0x4E //default:20C2
#define REG_SQOUT_SEL 0x54
#define REG_VOICE_FILT 0x58
#define REG_FLAG 0x5C
#define REG_RSSI 0x5F
#define REG_VSSI 0x60
#define REG_DTMF 0x63
#define REG_DTMF_C0_C1 0x66
#define REG_DTMF_C2_C3 0x67
#define REG_DTMF_C4_C5 0x68
#define REG_DTMF_C6_C7 0x69
#define REG_DTMF_DET 0x6C
#define SUBAUDIODISABLE 0x0000
#define INNERCTCSS 0x0001
#define INNERCDCSS 0x0002
#define OUTERCTCSS 0x0005
#define OUTERCDCSS 0x0006
#define SUBAUDIO_CMP_GPIO 0x0008
#define SUBAUDIO_SDO_GPIO 0x0000
#define CDCSS_24BIT 0x0010
#define CDCSS_23BIT 0x0000
#define CDCSS_INVERSE 0x0080
#define CDCSS_POSITIVE 0x0800
#define INT_CSS_CMP 0x0200
#define INT_RXON_RF 0x0100
#define INT_TXON_RF 0x0080
#define INT_DTMF_IDLE 0x0040
#define INT_CTCSS_PHASE 0x0020
#define INT_IDLE_TIMEOUT 0x0010
#define INT_RXON_RF_TIMEOUT 0x0008
#define INT_SQ 0x0004
#define INT_TXON_RF_TIMEOUT 0x0002
#define INT_VOX 0x0001
struct RDACommand {
uint8_t reg;
uint16_t data;
};
enum CHAN_MODE {
MODE25KHz = 0x00,
MODE125KHz = 0x01
};
enum TX_VOICE_CHAN {
MIC = 0x00,
INNERTONE2 = 0x01,
GPIO1CODE = 0x02
};
enum BIAS_VOLTAGE {
BIAS101V = 0x00,
BIAS105V = 0x01,
BIAS109V = 0x02,
BIAS118V = 0x04,
BIAS134V = 0x08,
BIAS168V = 0x10,
BIAS245V = 0x20,
BIAS313V = 0x7F
};
enum CTCSSPHASE {
SHIFT120DEGREES = 0x00,
SHIFT180DEGREES = 0x01,
SHIFT240DEGREES = 0x02
};
enum DTMF_MODE {
SINGLETONE = 0x03,
DUALTONE = 0x01,
DIABLE = 0x00
};
enum DTMF_CLOCK {
CLK12POINT8MHZ,
CLK25POINT6MHZ,
CLK13MHZ,
CLK26MHZ
};
enum GPIO7 {
GP7_HIZ,
VOX,
GP7_LOW,
GP7_HIGH
};
enum GPIO6 {
GP6_HIZ,
SQ,
GP6_LOW,
GP6_HIGH
};
enum GPIO5 {
GP5_HIZ,
TXON_RF,
GP5_LOW,
GP5_HIGH
};
enum GPIO4 {
GP4_HIZ,
RXON_RF,
GP4_LOW,
GP4_HIGH
};
enum GPIO3 {
GP3_HIZ,
SDO,
GP3_LOW,
GP3_HIGH
};
enum GPIO2 {
GP2_HIZ,
GP2_INT,
GP2_LOW,
GP2_HIGH
};
enum GPIO1 {
GP1_HIZ,
CODE_IO,
GP1_LOW,
GP1_HIGH
};
enum GPIO0 {
GP0_HIZ,
CSS_IOC,
GP0_LOW,
GP0_HIGH
};
enum STMODE {
TXON_RXONAUTO = 0x10,
RXONAUTO_TXONMANUAL = 0x01,
TXONMANUAL_RXONMANUAL = 0x00
};
class RDA1846 {
public:
struct RDACommand RDAinit[30] = { //init values from http://elazary.com
{ 0x30, 0x0001 },
{ 0x30, 0x0004 },
{ 0x04, 0x0FD0 },
{ 0x0B, 0x1A10 },
{ 0x2B, 0x32C8 },
{ 0x2C, 0x1964 },
{ 0x32, 0x627C },
{ 0x33, 0x0AF2 },
{ 0x47, 0x2C2F },
{ 0x4E, 0x293A },
{ 0x54, 0x1D4C },
{ 0x56, 0x0652 },
{ 0x6E, 0x062D },
{ 0x70, 0x1029 },
{ 0x7F, 0x0001 },
{ 0x05, 0x001F },
{ 0x7F, 0x0000 },
{ 0x30, 0x3006 },
{ 0x0A, 0x0400 }, //PA Bias 0000 0100 '00 00' 0000
{ 0x1F, 0x0000 }, //GPIO selection 0001 1110 1011 1001
{ 0x30, 0x3006 },
{ 0x0F, 0x6be4 },
{ 0x29, 0x0011 }, //145.525
{ 0x2A, 0xC3A8 }, //145.525
{ 0x48, 0x03FF }, //0000 0011 1111 0000
{ 0x49, 0x01b3 }, //0003
{ 0x3C, 0x0958 }, //0000 1001 0101 1000
{ 0x43, 0x1F1F },
{ 0x30, 0x3006 },
{ 0x36, 0x1000 },
};
uint16_t dtmfTone[10][2] = { //init values from http://elazary.com
{ 5472, 3854 }, //0
{ 4952, 2855 }, //1
{ 5472, 2855 }, //2
{ 6050, 2855 }, //3
{ 4952, 3154 }, //4
{ 5472, 3154 }, //5
{ 6050, 3154 }, //6
{ 4952, 3490 }, //7
{ 5472, 3490 }, //8
{ 6050, 3490 }, //9
};
void begin(void);
void writeWord(uint16_t data, uint8_t reg);
bool readWord(uint16_t *data, uint8_t reg);
void rdaRegDump(uint8_t start, uint8_t end);
void rdaInit(void);
void setRefClock(double freq);
void setFrequency(double freq);
void setMode(uint16_t mode);
uint16_t getMode(void);
void setChannelMode(CHAN_MODE cmode);
void txOn(void);
void txOff(void);
void rxOn(void);
void rxOff(void);
void setTxMode(bool cmode);
void setRxMode(bool cmode);
void setDeepSleep(bool cmode);
void setTxChannel(TX_VOICE_CHAN cmode);
void setPABias(BIAS_VOLTAGE volts);
void setSubaudio(uint16_t mode);
void setSubaudioFreq(float freq);
void setCDCSScode(uint32_t code);
void setSquelch(bool sq);
void setCTCSSsel(bool sel);
void setCTCSSdet(bool det);
void setSquelchThreshold(uint16_t open, uint16_t shut);
void setSquelchThresholddBm(int16_t open, int16_t shut);
void setSquelchout(bool sq);
void setVOX(bool vox);
void setVOXThresholdmV(uint16_t open, uint16_t shut);
void setTailNoiseElim(bool tn);
void setTailNoisePhase(CTCSSPHASE phase);
void setDTMFMode(DTMF_MODE mode);
void setDTMFToneTime(uint8_t t);
void setDTMFIdleTime(uint8_t t);
void setDTMFTone1Freq(uint16_t freq);
void setDTMFTone2Freq(uint16_t freq);
void setDTMFIdle(bool i);
void setDTMFClk(DTMF_CLOCK clk);
void setTxFMDeviation(uint8_t dev);
void setTxCTCSSDeviation(uint8_t dev);
void setRxAnalogDACGain(uint8_t range);
void setRxDigitalVoiceGain(uint8_t range);
void setGPIO7(GPIO7 mode);
void setGPIO6(GPIO6 mode);
void setGPIO5(GPIO5 mode);
void setGPIO4(GPIO4 mode);
void setGPIO3(GPIO3 mode);
void setGPIO2(GPIO2 mode);
void setGPIO1(GPIO1 mode);
void setGPIO0(GPIO0 mode);
void setIntMode(uint16_t mode);
void setSTMode(STMODE mode);
void setEmphasis(bool emp);
uint16_t getRSSI(void);
uint16_t getVSSI(void);
uint8_t getDTMFIndex(void);
uint8_t getDTMFCode(void);
uint16_t getFlags(void);
uint16_t getChipID(void);
void reset(void);
protected:
private:
uint8_t _address;
};
#endif
