third-party/HamShield
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

adding Morse rx example

Browse Source
This commit is contained in:
Morgan Redfield
2018-08-11 19:39:31 -07:00
parent c2a58487d3
commit 73f8cb3d93
3 changed files with 320 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

117
src/HamShield.cpp
View File

@@ -771,6 +771,14 @@ void HamShield::setCtcss(float freq_Hz) {
void HamShield::setCtcssFreq(uint16_t freq_milliHz){
HSwriteWord(devAddr, A1846S_CTCSS_FREQ_REG, freq_milliHz);
// set RX Ctcss match thresholds (based on frequency)
// calculate thresh based on freq
float f = ((float) freq_milliHz)/100;
uint8_t thresh = (uint8_t)(-0.1*f + 25);
setCtcssDetThreshIn(thresh);
setCtcssDetThreshOut(thresh);
}
uint16_t HamShield::getCtcssFreqMilliHz(){
HSreadWord(devAddr, A1846S_CTCSS_FREQ_REG, radio_i2c_buf);
@@ -786,14 +794,14 @@ void HamShield::setCtcssFreqToStandard(){
setCtcssFreq(13440);
}
void HamShield::enableCtcss() {
void HamShield::enableCtcss() {
// enable TX
HSwriteBitsW(devAddr, A1846S_CTCSS_MODE_REG, 10, 2, 3);
// enable RX
setCtcssGpioSel(1);
HSwriteBitW(devAddr, A1846S_TX_VOICE_REG, A1846S_CTCSS_DET_BIT, 0);
HSwriteBitW(devAddr, A1846S_EMPH_FILTER_REG, A1846S_CTCSS_FILTER_BYPASS, 0);
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_CTCSS_FILTER_BYPASS, 0);
setDetCtcss();
}
void HamShield::disableCtcss() {
@@ -801,6 +809,26 @@ void HamShield::disableCtcss() {
disableCtcssCdcss();
}
// match threshold
void HamShield::setCtcssDetThreshIn(uint8_t thresh) {
HSwriteBitsW(devAddr, A1846S_CTCSS_THRESH_REG, 15, 8, thresh);
}
uint8_t HamShield::getCtcssDetThreshIn() {
HSreadBitsW(devAddr, A1846S_CTCSS_THRESH_REG, 15, 8, radio_i2c_buf);
return (uint8_t) radio_i2c_buf[0];
}
// unmatch threshold
void HamShield::setCtcssDetThreshOut(uint8_t thresh) {
HSwriteBitsW(devAddr, A1846S_CTCSS_THRESH_REG, 7, 8, thresh);
}
uint8_t HamShield::getCtcssDetThreshOut() {
HSreadBitsW(devAddr, A1846S_CTCSS_THRESH_REG, 7, 8, radio_i2c_buf);
return (uint8_t) radio_i2c_buf[0];
}
// cdcss codes
void HamShield::setCdcssCode(uint16_t code) {
// note: assuming a well formed code (xyz, where x, y, and z are all 0-7)
@@ -822,10 +850,10 @@ void HamShield::setCdcssCode(uint16_t code) {
// TODO: CRC
// set registers
uint16_t temp_code = (uint16_t) cdcss_code;
HSwriteWord(devAddr, A1846S_CDCSS_CODE_HI_REG, temp_code);
temp_code = (uint16_t) (cdcss_code >> 16);
HSwriteWord(devAddr, A1846S_CDCSS_CODE_LO_REG, temp_code);
uint16_t temp_code = (uint16_t) cdcss_code;
HSwriteWord(devAddr, A1846S_CDCSS_CODE_LO_REG, temp_code);
temp_code = ((uint16_t) (cdcss_code >> 16))&0x00FF;
HSwriteWord(devAddr, A1846S_CDCSS_CODE_HI_REG, temp_code);
}
uint16_t HamShield::getCdcssCode() {
uint32_t oct_code;
@@ -964,7 +992,7 @@ void HamShield::enableDTMFReceive(){
//HSwriteBitsW(devAddr, 0x57, 0, 1, 1); // send dtmf to speaker out
// bypass pre/de-emphasis
HSwriteBitsW(devAddr, A1846S_EMPH_FILTER_REG, A1846S_EMPH_FILTER_EN, 1, 1);
HSwriteBitsW(devAddr, A1846S_FILTER_REG, A1846S_EMPH_FILTER_EN, 1, 1);
}
@@ -1188,16 +1216,65 @@ setStMode(0);
// Pre-emphasis, De-emphasis filter
void HamShield::bypassPreDeEmph(){
HSwriteBitW(devAddr, A1846S_EMPH_FILTER_REG, A1846S_EMPH_FILTER_EN, 1);
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_EMPH_FILTER_EN, 1);
}
void HamShield::usePreDeEmph(){
HSwriteBitW(devAddr, A1846S_EMPH_FILTER_REG, A1846S_EMPH_FILTER_EN, 0);
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_EMPH_FILTER_EN, 0);
}
bool HamShield::getPreDeEmphEnabled(){
HSreadBitW(devAddr, A1846S_EMPH_FILTER_REG, A1846S_EMPH_FILTER_EN, radio_i2c_buf);
HSreadBitW(devAddr, A1846S_FILTER_REG, A1846S_EMPH_FILTER_EN, radio_i2c_buf);
return (radio_i2c_buf[0] == 0);
}
// Voice Filters
void HamShield::bypassVoiceHpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VHPF_FILTER_EN, 1);
}
void HamShield::useVoiceHpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VHPF_FILTER_EN, 0);
}
bool HamShield::getVoiceHpfEnabled(){
HSreadBitW(devAddr, A1846S_FILTER_REG, A1846S_VHPF_FILTER_EN, radio_i2c_buf);
return (radio_i2c_buf[0] == 0);
}
void HamShield::bypassVoiceLpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VLPF_FILTER_EN, 1);
}
void HamShield::useVoiceLpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VLPF_FILTER_EN, 0);
}
bool HamShield::getVoiceLpfEnabled(){
HSreadBitW(devAddr, A1846S_FILTER_REG, A1846S_VLPF_FILTER_EN, radio_i2c_buf);
return (radio_i2c_buf[0] == 0);
}
// Vox filters
void HamShield::bypassVoxHpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VXHPF_FILTER_EN, 1);
}
void HamShield::useVoxHpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VXHPF_FILTER_EN, 0);
}
bool HamShield::getVoxHpfEnabled(){
HSreadBitW(devAddr, A1846S_FILTER_REG, A1846S_VXHPF_FILTER_EN, radio_i2c_buf);
return (radio_i2c_buf[0] == 0);
}
void HamShield::bypassVoxLpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VXLPF_FILTER_EN, 1);
}
void HamShield::useVoxLpf(){
HSwriteBitW(devAddr, A1846S_FILTER_REG, A1846S_VXLPF_FILTER_EN, 0);
}
bool HamShield::getVoxLpfEnabled(){
HSreadBitW(devAddr, A1846S_FILTER_REG, A1846S_VXLPF_FILTER_EN, radio_i2c_buf);
return (radio_i2c_buf[0] == 0);
}
// Read Only Status Registers
int16_t HamShield::readRSSI(){
HSreadBitsW(devAddr, A1846S_RSSI_REG, A1846S_RSSI_BIT, A1846S_RSSI_LENGTH, radio_i2c_buf);
@@ -1545,11 +1622,13 @@ void HamShield::morseOut(char buffer[HAMSHIELD_MORSE_BUFFER_SIZE]) {
// We delay by 4 here, if we previously sent a symbol. Otherwise 7.
// This could probably just be always 7 and go relatively unnoticed.
if(prev == 0 || prev == ' '){
tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 7);
delay(morse_dot_millis*7);
//tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 7);
noTone(HAMSHIELD_PWM_PIN);
delay(morse_dot_millis*7);
} else {
tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 4);
delay(morse_dot_millis*4);
//tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 4);
noTone(HAMSHIELD_PWM_PIN);
delay(morse_dot_millis*4);
}
continue;
}
@@ -1564,14 +1643,16 @@ void HamShield::morseOut(char buffer[HAMSHIELD_MORSE_BUFFER_SIZE]) {
tone(HAMSHIELD_PWM_PIN, morse_freq, morse_dot_millis);
delay(morse_dot_millis);
}
tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis);
delay(morse_dot_millis);
//tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis);
noTone(HAMSHIELD_PWM_PIN);
delay(morse_dot_millis);
bits >>= 1; // Shift into the next symbol
} while(bits != 1); // Wait for 1 termination to be all we have left
}
// End of character
tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 3);
delay(morse_dot_millis * 3);
//tone(HAMSHIELD_PWM_PIN, 6000, morse_dot_millis * 3);
noTone(HAMSHIELD_PWM_PIN);
delay(morse_dot_millis * 3);
}
return;
}

39
src/HamShield.h
View File

@@ -49,7 +49,8 @@
#define A1846S_CDCSS_CODE_LO_REG 0x4C // cdccs_code<15:0>
#define A1846S_CTCSS_MODE_REG 0x4e // copies CTCSS value from A1846S_CTCSS_FREQ_REG into CTCSS encoder
#define A1846S_SQ_OUT_SEL_REG 0x54 // see sq
#define A1846S_EMPH_FILTER_REG 0x58
#define A1846S_FILTER_REG 0x58
#define A1846S_CTCSS_THRESH_REG 0x5B
#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)
@@ -161,8 +162,12 @@
// Bitfields for A1846S_SQ_OUT_SEL_REG
#define A1846S_SQ_OUT_SEL_BIT 7 // sq_out_sel
// Bitfields for A1846S_EMPH_FILTER_REG
// Bitfields for A1846S_FILTER_REG
#define A1846S_VXHPF_FILTER_EN 11
#define A1846S_VXLPF_FILTER_EN 12
#define A1846S_EMPH_FILTER_EN 7
#define A1846S_VHPF_FILTER_EN 6
#define A1846S_VLPF_FILTER_EN 5
#define A1846S_CTCSS_FILTER_BYPASS 3
// Bitfields for A1846S_FLAG_REG
@@ -285,12 +290,6 @@ class HamShield {
// Subaudio settings
// Ctcss/cdcss mode sel
// x00=disable,
// 001=inner ctcss en,
// 010= inner cdcss en
// 101= outer ctcss en,
// 110=outer cdcss en
// others =disable
void setCtcssCdcssMode(uint16_t mode);
uint16_t getCtcssCdcssMode();
void setDetPhaseShift();
@@ -299,7 +298,7 @@ class HamShield {
void setDetCtcss();
void disableCtcssCdcss();
// ctcss freq
// ctcss settings
void setCtcss(float freq_Hz);
void setCtcssFreq(uint16_t freq_milliHz);
uint16_t getCtcssFreqMilliHz();
@@ -307,7 +306,11 @@ class HamShield {
void setCtcssFreqToStandard(); // freq must be 134.4Hz for standard cdcss mode
void enableCtcss();
void disableCtcss();
void setCtcssDetThreshIn(uint8_t thresh);
uint8_t getCtcssDetThreshIn();
void setCtcssDetThreshOut(uint8_t thresh);
uint8_t getCtcssDetThreshOut();
// Ctcss_sel
// 1 = ctcss_cmp/cdcss_cmp out via gpio
// 0 = ctcss/cdcss sdo out vio gpio
@@ -441,6 +444,22 @@ class HamShield {
void bypassPreDeEmph();
void usePreDeEmph();
bool getPreDeEmphEnabled();
// 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();