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Correct DTMF decoding functions for the Auctus AT1846S

This commit is contained in:
David M. Bryson 2017-05-03 19:47:50 -07:00
parent 307d33add0
commit b1180ab135
2 changed files with 44 additions and 134 deletions
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91
src/HamShield.cpp
View File

@ -216,7 +216,7 @@ void HamShield::initialize(bool narrowBand) {
HSwriteWord(devAddr, 0x5A, tx_data); // sq and noise detect times
tx_data = 0x3FFF;
HSwriteWord(devAddr, 0x63, tx_data); // pre-emphasis bypass
// calibration
tx_data = 0x00A4;
HSwriteWord(devAddr, 0x30, tx_data);
@ -944,63 +944,35 @@ uint16_t HamShield::getShiftSelect(){
}
// DTMF
void HamShield::setDTMFC0(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C01_REG, A1846S_DTMF_C0_BIT, A1846S_DTMF_C0_LENGTH, freq);
void HamShield::enableDTMFReceive(){
uint16_t tx_data;
tx_data = 0x2264;
HSwriteWord(devAddr, 0x77, tx_data);
tx_data = 0xD984;
HSwriteWord(devAddr, 0x78, tx_data);
tx_data = 0x1E3C;
HSwriteWord(devAddr, 0x79, tx_data);
HSwriteBitsW(devAddr, A1846S_DTMF_ENABLE_REG, 7, 8, 0x18);
HSwriteBitsW(devAddr, A1846S_DTMF_ENABLE_REG, A1846S_DTMF_ENABLE_BIT, 1, 1);
}
uint16_t HamShield::getDTMFC0() {
HSreadBitsW(devAddr, A1846S_DTMF_C01_REG, A1846S_DTMF_C0_BIT, A1846S_DTMF_C0_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
uint16_t HamShield::disableDTMF(){
HSwriteBitsW(devAddr, A1846S_DTMF_ENABLE_REG, A1846S_DTMF_ENABLE_BIT, 1, 0);
}
void HamShield::setDTMFC1(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C01_REG, A1846S_DTMF_C1_BIT, A1846S_DTMF_C1_LENGTH, freq);
uint16_t HamShield::getDTMFSample(){
HSreadBitsW(devAddr, A1846S_DTMF_CODE_REG, A1846S_DTMF_SAMPLE_BIT, 1, radio_i2c_buf);
return radio_i2c_buf[0];
}
uint16_t HamShield::getDTMFC1() {
HSreadBitsW(devAddr, A1846S_DTMF_C01_REG, A1846S_DTMF_C1_BIT, A1846S_DTMF_C1_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC2(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C23_REG, A1846S_DTMF_C2_BIT, A1846S_DTMF_C2_LENGTH, freq);
}
uint16_t HamShield::getDTMFC2() {
HSreadBitsW(devAddr, A1846S_DTMF_C23_REG, A1846S_DTMF_C2_BIT, A1846S_DTMF_C2_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC3(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C23_REG, A1846S_DTMF_C3_BIT, A1846S_DTMF_C3_LENGTH, freq);
}
uint16_t HamShield::getDTMFC3() {
HSreadBitsW(devAddr, A1846S_DTMF_C23_REG, A1846S_DTMF_C3_BIT, A1846S_DTMF_C3_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC4(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C45_REG, A1846S_DTMF_C4_BIT, A1846S_DTMF_C4_LENGTH, freq);
}
uint16_t HamShield::getDTMFC4() {
HSreadBitsW(devAddr, A1846S_DTMF_C45_REG, A1846S_DTMF_C4_BIT, A1846S_DTMF_C4_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC5(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C45_REG, A1846S_DTMF_C5_BIT, A1846S_DTMF_C5_LENGTH, freq);
}
uint16_t HamShield::getDTMFC5() {
HSreadBitsW(devAddr, A1846S_DTMF_C45_REG, A1846S_DTMF_C5_BIT, A1846S_DTMF_C5_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC6(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C67_REG, A1846S_DTMF_C6_BIT, A1846S_DTMF_C6_LENGTH, freq);
}
uint16_t HamShield::getDTMFC6() {
HSreadBitsW(devAddr, A1846S_DTMF_C67_REG, A1846S_DTMF_C6_BIT, A1846S_DTMF_C6_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setDTMFC7(uint16_t freq) {
HSwriteBitsW(devAddr, A1846S_DTMF_C67_REG, A1846S_DTMF_C7_BIT, A1846S_DTMF_C7_LENGTH, freq);
}
uint16_t HamShield::getDTMFC7() {
HSreadBitsW(devAddr, A1846S_DTMF_C67_REG, A1846S_DTMF_C7_BIT, A1846S_DTMF_C7_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
uint16_t HamShield::getDTMFCode(){
HSreadBitsW(devAddr, A1846S_DTMF_CODE_REG, A1846S_DTMF_CODE_BIT, A1846S_DTMF_CODE_LEN, radio_i2c_buf);
return radio_i2c_buf[0];
}
// TX FM deviation
void HamShield::setFMVoiceCssDeviation(uint16_t deviation){
HSwriteBitsW(devAddr, A1846S_FM_DEV_REG, A1846S_FM_DEV_VOICE_BIT, A1846S_FM_DEV_VOICE_LENGTH, deviation);
@ -1119,19 +1091,6 @@ uint16_t HamShield::readVSSI(){
return radio_i2c_buf[0] & 0x7FF; // only need lowest 10 bits
}
uint16_t HamShield::readDTMFIndex(){
// TODO: may want to split this into two (index1 and index2)
HSreadBitsW(devAddr, A1846S_DTMF_RX_REG, A1846S_DTMF_INDEX_BIT, A1846S_DTMF_INDEX_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
uint16_t HamShield::readDTMFCode(){
// 1:f0+f4, 2:f0+f5, 3:f0+f6, A:f0+f7,
// 4:f1+f4, 5:f1+f5, 6:f1+f6, B:f1+f7,
// 7:f2+f4, 8:f2+f5, 9:f2+f6, C:f2+f7,
// E(*):f3+f4, 0:f3+f5, F(#):f3+f6, D:f3+f7
HSreadBitsW(devAddr, A1846S_DTMF_RX_REG, A1846S_DTMF_CODE_BIT, A1846S_DTMF_CODE_LENGTH, radio_i2c_buf);
return radio_i2c_buf[0];
}
void HamShield::setRfPower(uint8_t pwr) {

87
src/HamShield.h
View File

@ -52,14 +52,9 @@
#define A1846S_FLAG_REG 0x5C // holds flags for different statuses
#define A1846S_RSSI_REG 0x1B // holds RSSI (unit 1dB)
#define A1846S_VSSI_REG 0x1A // holds VSSI (unit mV)
#define A1846S_DTMF_CTL_REG 0x63 // see dtmf
#define A1846S_DTMF_C01_REG 0x66 // holds frequency value for c0 and c1
#define A1846S_DTMF_C23_REG 0x67 // holds frequency value for c2 and c3
#define A1846S_DTMF_C45_REG 0x68 // holds frequency value for c4 and c5
#define A1846S_DTMF_C67_REG 0x69 // holds frequency value for c6 and c7
#define A1846S_DTMF_RX_REG 0x6C // received dtmf signal
// NOTE: could add registers and bitfields for dtmf tones, is this necessary?
#define A1846S_DTMF_ENABLE_REG 0x7A // holds dtmf_enable
#define A1846S_DTMF_CODE_REG 0x7E // holds dtmf_sample and dtmf_code
// Device Bit Fields
@ -115,7 +110,6 @@
#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_DTMF_IDLE_INT_BIT 6 // dtmf_idle_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
@ -169,7 +163,6 @@
#define A1846S_EMPH_FILTER_EN 3
// Bitfields for A1846S_FLAG_REG
#define A1846S_DTMF_IDLE_FLAG_BIT 12 // dtmf idle flag
#define A1846S_RXON_RF_FLAG_BIT 10 // 1 when rxon is enabled
#define A1846S_TXON_RF_FLAG_BIT 9 // 1 when txon is enabled
#define A1846S_INVERT_DET_FLAG_BIT 7 // ctcss phase shift detect
@ -185,48 +178,14 @@
#define A1846S_VSSI_BIT 14 // voice signal strength indicator <14:0> (unit mV)
#define A1846S_VSSI_LENGTH 15
// Bitfields for A1846S_DTMF_CTL_REG
#define A1846S_DTMF_MODE_BIT 9 //
#define A1846S_DTMF_MODE_LENGTH 2
#define A1846S_DTMF_EN_BIT 8 // enable dtmf
#define A1846S_DTMF_TIME1_BIT 7 // dtmf time 1 <3:0>
#define A1846S_DTMF_TIME1_LENGTH 4
#define A1846S_DTMF_TIME2_BIT 3 // dtmf time 2 <3:0>
#define A1846S_DTMF_TIME2_LENGTH 4
// Bitfields for A1846S_DTMF_ENABLE_REG
#define A1846S_DTMF_ENABLE_BIT 15
// Bitfields for A1846S_DTMF_RX_REG
#define A1846S_DTMF_INDEX_BIT 10 // dtmf index <5:3> - tone 1 detect index, <2:0> - tone 2 detect index
#define A1846S_DTMF_INDEX_LENGTH 6
#define A1846S_DTMF_TONE1_IND_BIT 10
#define A1846S_DTMF_TONE1_IND_LENGTH 3
#define A1846S_DTMF_TONE2_IND_BIT 7
#define A1846S_DTMF_TONE2_IND_LENGTH 3
#define A1846S_DTMF_FLAG_BIT 4
#define A1846S_DTMF_CODE_BIT 3 // dtmf code out <3:0>
#define A1846S_DTMF_CODE_LENGTH 4
// dtmf code out
// 1:f0+f4, 2:f0+f5, 3:f0+f6, A:f0+f7,
// 4:f1+f4, 5:f1+f5, 6:f1+f6, B:f1+f7,
// 7:f2+f4, 8:f2+f5, 9:f2+f6, C:f2+f7,
// E(*):f3+f4, 0:f3+f5, F(#):f3+f6, D:f3+f7
// Bitfields for A1846S_DTMF_SAMPLE_REG
#define A1846S_DTMF_SAMPLE_BIT 4
#define A1846S_DTMF_CODE_BIT 3
#define A1846S_DTMF_CODE_LEN 4
// Bitfields for DTMF registers
#define A1846S_DTMF_C0_BIT 15
#define A1846S_DTMF_C0_LENGTH 8
#define A1846S_DTMF_C1_BIT 7
#define A1846S_DTMF_C1_LENGTH 8
#define A1846S_DTMF_C2_BIT 15
#define A1846S_DTMF_C2_LENGTH 8
#define A1846S_DTMF_C3_BIT 7
#define A1846S_DTMF_C3_LENGTH 8
#define A1846S_DTMF_C4_BIT 15
#define A1846S_DTMF_C4_LENGTH 8
#define A1846S_DTMF_C5_BIT 7
#define A1846S_DTMF_C5_LENGTH 8
#define A1846S_DTMF_C6_BIT 15
#define A1846S_DTMF_C6_LENGTH 8
#define A1846S_DTMF_C7_BIT 7
#define A1846S_DTMF_C7_LENGTH 8
// SSTV VIS Codes
@ -404,23 +363,17 @@ class HamShield {
uint16_t getShiftSelect();
// DTMF
void setDTMFC0(uint16_t freq);
uint16_t getDTMFC0();
void setDTMFC1(uint16_t freq);
uint16_t getDTMFC1();
void setDTMFC2(uint16_t freq);
uint16_t getDTMFC2();
void setDTMFC3(uint16_t freq);
uint16_t getDTMFC3();
void setDTMFC4(uint16_t freq);
uint16_t getDTMFC4();
void setDTMFC5(uint16_t freq);
uint16_t getDTMFC5();
void setDTMFC6(uint16_t freq);
uint16_t getDTMFC6();
void setDTMFC7(uint16_t freq);
uint16_t getDTMFC7();
// Reading a single DTMF code:
// enableDTMFReceive()
// while (getDTMFSample() == 0) { delay(10); }
// uint16_t code = getDTMFCode();
// while (getDTMFSample() == 1) { delay(10); }
// disableDTMF();
void enableDTMFReceive();
uint16_t disableDTMF();
uint16_t getDTMFSample();
uint16_t getDTMFCode();
// TX FM deviation
void setFMVoiceCssDeviation(uint16_t deviation);
uint16_t getFMVoiceCssDeviation();
@ -462,8 +415,6 @@ class HamShield {
// Read Only Status Registers
int16_t readRSSI();
uint16_t readVSSI();
uint16_t readDTMFIndex(); // may want to split this into two (index1 and index2)
uint16_t readDTMFCode();
// set output power of radio
void setRfPower(uint8_t pwr);