Edoardo De Marchi
Test Code for TEA5767 radio module
Dependencies: MODSERIAL TEA5767 mbed
Revision 0:de2102ba3121, committed 2013-10-03
- Comitter:
- edodm85
- Date:
- Thu Oct 03 19:18:22 2013 +0000
- Child:
- 1:6ad6d1d3bbdf
- Commit message:
- First version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MODSERIAL.lib Thu Oct 03 19:18:22 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/MODSERIAL/#ae0408ebdd68
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TEA5767.lib Thu Oct 03 19:18:22 2013 +0000 @@ -0,0 +1,1 @@ +TEA5767#bb7cae1d62ce
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Oct 03 19:18:22 2013 +0000
@@ -0,0 +1,128 @@
+#include "main.h"
+
+
+
+void rxCallback(MODSERIAL_IRQ_INFO *q)
+{
+ new_send = true;
+}
+
+
+int main()
+{
+ // INIT WATCHDOG
+ w.kick(2.5);
+
+ pc.baud(921600);
+ pc.attach(&rxCallback, MODSERIAL::RxIrq);
+
+ if(radio.CheckDevice() == 0)
+ {
+ pc.printf("Addr I2C found\r\n");
+ led2 = 1;
+ }else
+ {
+ pc.printf("Addr I2C not found\r\n");
+ led2 = 0;
+ }
+
+ while(1)
+ {
+ if(new_send){
+ int i = 0;
+
+ while(pc.readable())
+ {
+ word[i] = pc.getc();
+ i++;
+ }
+ parse_cmd();
+ }
+ wait_ms(50);
+ w.kick();
+ }
+}
+
+
+// US/EUROPE 87.5-108MHz JAPANESE 76-91MHz
+float i = 0.2;
+void parse_cmd()
+{
+ new_send = false;
+
+ if(strncmp("freq", word, 4) == 0)
+ {
+ char word_temp[6];
+ strncpy(word_temp, &word[5], 6);
+
+ n = atof(word_temp); // Convert string to double
+
+ if((n >= StartFreq) && (n <= EndFreq))
+ {
+ radio.SetFrequency(n);
+
+ wait_ms(200);
+
+ pc.printf("signal: %2.0d", radio.SignalLevel());
+ pc.printf("freq: %000.2f ", radio.FreqCurrent());
+ delete [] reg;
+ wait_ms(100);
+
+ }else
+ {
+ pc.printf("Out of range \r\n");
+ }
+ }else
+ if(strncmp("available", word, 9) == 0)
+ {
+ pc.printf("\r\n");
+ pc.printf("Current_Frequency: %.2fMHz\r\n", radio.FreqCurrent());
+ pc.printf("Signal_Level: %2.0d\r\n", radio.SignalLevel());
+ }else
+ if(strncmp("search_up", word, 9) == 0)
+ {
+ float freq_av = radio.FreqCurrent();
+ if(freq_av-i > 108)
+ {
+ freq_av = 108;
+ }
+ radio.SearchUp(freq_av+i);
+ wait_ms(300);
+ pc.printf("signal: %2.0d", radio.SignalLevel());
+ pc.printf("freq: %000.2f ", radio.FreqCurrent());
+ }else
+ if(strncmp("search_down", word, 11) == 0)
+ {
+ float freq_av = radio.FreqCurrent();
+ if(freq_av-i < 87.5)
+ {
+ freq_av = 87.5;
+ }
+ radio.SearchUp(freq_av-i);
+ wait_ms(300);
+ pc.printf("signal: %2.0d", radio.SignalLevel());
+ pc.printf("freq: %000.2f ", radio.FreqCurrent());
+ }else
+ if(strncmp("band", word, 4) == 0)
+ {
+ char word_temp[2];
+ strncpy(word_temp, &word[5], 2);
+ pc.printf("string: %s\r\n", word_temp);
+
+ if(strncmp("EU", word_temp, 2) == 0)
+ {
+ radio.SetBand('e');
+ StartFreq = 87.5;
+ EndFreq = 108;
+ }else
+ if(strncmp("JP", word_temp, 2) == 0)
+ {
+ radio.SetBand('j');
+ StartFreq = 76;
+ EndFreq = 91;
+ }
+ }
+
+ memset(word, 0, sizeof(word));
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h Thu Oct 03 19:18:22 2013 +0000
@@ -0,0 +1,51 @@
+#pragma once
+#include "mbed.h"
+#include "TEA5767.h"
+#include "MODSERIAL.h"
+
+DigitalOut led2(LED2);
+DigitalOut led4(LED4);
+
+//WATCHDOG
+class Watchdog
+{
+public:
+ void kick(float s)
+ {
+ LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK
+ uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4
+ LPC_WDT->WDTC = s * (float)clk;
+ LPC_WDT->WDMOD = 0x3; // Enabled and Reset
+ kick();
+ }
+
+ void kick()
+ {
+ LPC_WDT->WDFEED = 0xAA;
+ LPC_WDT->WDFEED = 0x55;
+ }
+};
+
+Watchdog w;
+
+
+
+// TEA5767 IC2 address is 0x60, reading is 0x61
+#define W_ADDR 0xC0
+
+MODSERIAL pc(USBTX,USBRX);
+
+TEA5767 radio(p28, p27, W_ADDR); // sda - scl
+bool new_send = false;
+char word[25];
+float n = 0;
+char reg[5];
+float StartFreq = 87.5;
+float EndFreq = 108;
+
+//RESET
+extern "C" void mbed_reset();
+
+
+
+void parse_cmd();
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Oct 03 19:18:22 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f \ No newline at end of file