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Merge pull request #35 from dmbryson/dtmfdecode

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Correct DTMF decoding functions for the Auctus AT1846S
This commit is contained in:
Morgan Redfield
2017-09-05 20:37:42 -07:00
committed by GitHub
parent 74a2d1cb90 b1180ab135
commit 6c7997f756
2 changed files with 44 additions and 134 deletions
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87
src/HamShield.h
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@@ -53,14 +53,9 @@
#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
@@ -116,7 +111,6 @@
#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
@@ -170,7 +164,6 @@
#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
@@ -186,48 +179,14 @@
#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
@@ -414,23 +373,17 @@ 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();
@@ -472,8 +425,6 @@ 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);