Diff: dra818.cpp

Revision:

0:cb7724063ba3

Child:

2:2561b105f0b0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dra818.cpp	Wed May 25 19:07:49 2016 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+#include "dra818.h"
+
+DRA818::DRA818(Serial *s, PinName PTT): PTT_PIN(PTT){
+    this->serial = s;
+    this->PTT_PIN=1;
+   
+    this->tx_ctcss = 0;
+    this->rx_ctcss = 0;
+    this->tx_freq =  146.500;
+
+    this->volume = 4;
+    this->squelch = 0;
+    this->preemph = 0;
+    this->highpass = 0;
+    this->lowpass = 0;
+}
+
+
+void DRA818::setTXFreq(double tx_freq){
+    if( (tx_freq>136.000 && tx_freq<174.000 ) || (tx_freq>410.000 && tx_freq<480.000) ){
+        this->tx_freq = tx_freq;
+    }
+}
+
+void DRA818::setRXFreq(double rx_freq){
+    if( (rx_freq>136.000 && rx_freq<174.000 ) || (rx_freq>410.000 && rx_freq<480.000) ){
+        this->rx_freq = rx_freq;
+    }
+}
+
+// Refer to https://en.wikipedia.org/wiki/CTCSS for CTCSS values.
+void DRA818::setTXCTCSS(uint8_t ctcss){
+    if(ctcss<=38){
+        this->tx_ctcss = ctcss;
+    }
+}
+void DRA818::setRXCTCSS(uint8_t ctcss){
+    if(ctcss<=38){
+        this->rx_ctcss = ctcss;
+    }
+}
+
+void DRA818::setGWB(bool gwb){
+    this->gwb=gwb?1:0;
+}
+
+void DRA818::setSquelch(uint8_t sql){
+    if(sql<=8){
+        this->squelch = sql;
+    }
+}
+
+void DRA818::writeFreq(){
+    this->PTT_PIN=1;
+    wait_ms(500); // Delay for a bit, to let the uC boot up (?)
+
+    char tx_freq_buffer[10];
+    char rx_freq_buffer[10];
+
+    sprintf(tx_freq_buffer,"%.3f",this->tx_freq);
+    sprintf(rx_freq_buffer,"%.3f",this->rx_freq);
+    sprintf(this->buffer,"AT+DMOSETGROUP=%d,%s,%s,%04d,%1d,%04d\r\n",this->gwb,tx_freq_buffer,rx_freq_buffer,this->tx_ctcss,this->squelch,this->rx_ctcss);
+    this->serial->printf("%s",this->buffer);
+}
+
+void DRA818::setVolume(uint8_t vol){
+    if(vol>=1 || vol<=8){
+        this->volume = vol;
+    }
+
+    this->PTT_PIN=1;
+    wait_ms(500); // Delay for a bit, to let the uC boot up (?)
+
+    sprintf(this->buffer,"AT+DMOSETVOLUME=%1d\r\n",this->volume);
+    this->serial->printf("%s",this->buffer);
+}
+
+void DRA818::setFilters(bool preemph, bool highpass, bool lowpass){
+    this->preemph=preemph?1:0;
+    this->highpass=highpass?1:0;
+    this->lowpass=lowpass?1:0;
+
+    this->PTT_PIN=1;
+    wait_ms(500); // Delay for a bit, to let the uC boot up (?)
+
+    sprintf(this->buffer,"AT+SETFILTER=%1d,%1d,%1d\r\n",this->preemph,this->highpass,this->lowpass);
+    this->serial->printf("%s",this->buffer);
+}
\ No newline at end of file