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-rw-r--r--software/rda1846dongle/rda1846.c125
-rw-r--r--software/rda1846dongle/rda1846.h8
-rw-r--r--software/rda1846dongle/rda1846_defines.h3
-rw-r--r--software/rda1846dongle/rda1846dongle.c34
4 files changed, 151 insertions, 19 deletions
diff --git a/software/rda1846dongle/rda1846.c b/software/rda1846dongle/rda1846.c
index ecab5d3..c806036 100644
--- a/software/rda1846dongle/rda1846.c
+++ b/software/rda1846dongle/rda1846.c
@@ -44,6 +44,7 @@ static uint8_t rda1846_write_register_raw(const uint8_t addr, const uint16_t dat
i2c_error:
TWI_StopTransmission();
+ printf("I2C error (write_register_raw)\r\n");
return 1;
}
@@ -69,6 +70,7 @@ static uint8_t rda1846_read_register_raw(const uint8_t addr, uint16_t* data)
i2c_error:
TWI_StopTransmission();
+ printf("I2C error (write_register_raw)\r\n");
return 1;
}
@@ -112,6 +114,7 @@ void rda1846_init(void)
TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
// switch to 2m Band (134 ~ 174 MHz)
rda1846_write_register(RDA1846_REG_RF_BAND, RDA1846_RF_BAND_2M);
+// rda1846_write_register(RDA1846_REG_RF_BAND, RDA1846_RF_BAND_70CM);
// set crystal frequency (12.288 MHz)
rda1846_write_register(RDA1846_REG_XTAL, RDA1846_XTAL_FREQ);
@@ -128,8 +131,53 @@ void rda1846_init(void)
// use this if VOX, SQ, TXON_RF, RXON_RF are meant as inputs
// rda1846_write_register(RDA1846_REG_GPIO, RDA1846_GPIO_2_INT);
- rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_NONE);
- rda1846_write_register(RDA1846_REG_DTMF_CTL, RDA1846_DTMF_DUAL | RDA1846_DTMF_EN);
+// rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_NONE);
+ rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_MIC);
+// rda1846_write_register(RDA1846_REG_TX_VOICE, RDA1846_TX_VOICE_TONE2);
+
+// rda1846_write_register(RDA1846_REG_DTMF_CTL, RDA1846_DTMF_DUAL | RDA1846_DTMF_EN);
+}
+
+void rda1846_powerdown(void)
+{
+ uint16_t data;
+ if(rda1846_read_register(RDA1846_REG_CTL, &data))
+ return;
+
+ data &= ~(RDA1846_CTL_PDN);
+ rda1846_write_register(RDA1846_REG_CTL, data);
+}
+
+void rda1846_wakeup(void)
+{
+ uint16_t data;
+ if(rda1846_read_register(RDA1846_REG_CTL, &data))
+ return;
+
+ data |= RDA1846_CTL_PDN;
+ rda1846_write_register(RDA1846_REG_CTL, data);
+}
+
+void rda1846_receive(void)
+{
+ uint16_t data;
+ if(rda1846_read_register(RDA1846_REG_CTL, &data))
+ return;
+
+ data |= RDA1846_CTL_RX;
+ data &= ~(RDA1846_CTL_TX);
+ rda1846_write_register(RDA1846_REG_CTL, data);
+}
+
+void rda1846_transmit(void)
+{
+ uint16_t data;
+ if(rda1846_read_register(RDA1846_REG_CTL, &data))
+ return;
+
+ data &= ~(RDA1846_CTL_RX);
+ data |= RDA1846_CTL_TX;
+ rda1846_write_register(RDA1846_REG_CTL, data);
}
void rda1846_soft_reset(void)
@@ -161,8 +209,8 @@ uint16_t rda1846_get_flags(void)
uint16_t data;
if(rda1846_read_register(RDA1846_REG_FLAG, &data))
return 0xFFFF;
-
- return data;
+
+ return data & 0x1687;
}
uint8_t rda1846_get_dtmf(uint8_t* idx1, uint8_t* idx2, uint8_t* code)
@@ -187,25 +235,80 @@ int32_t rda1846_get_freq_kHz(void)
if(ret)
return -1;
- freq = (((uint32_t)data)<<16);
+ freq = (((uint32_t)(data & 0x3FFF))<<16);
ret = rda1846_read_register(RDA1846_REG_FREQL, &data);
if(ret)
return -1;
- freq |= data;
-
+ freq += data;
return (freq>>3);
}
+#define RDA1846_BAND_LOW 134000 // kHz
+#define RDA1846_BAND_HIGH 174000 // kHZ
+
uint8_t rda1846_set_freq_kHz(int32_t freq)
{
- if(freq < RDA1846_BAND_LOW || freq > RDA1846_BAND_HIGH)
- return 1;
+ /* if(freq < RDA1846_BAND_LOW || freq > RDA1846_BAND_HIGH) */
+ /* return 1; */
freq = freq<<3;
- uint8_t ret = rda1846_write_register(RDA1846_REG_FREQH, (uint16_t)(freq>>16));
+ uint8_t ret = rda1846_write_register(RDA1846_REG_FREQH, ((freq>>16) & 0x0000FFFF));
if(ret)
return 1;
- return rda1846_write_register(RDA1846_REG_FREQL, (uint16_t)(freq & 0x0000FFFF));
+ return rda1846_write_register(RDA1846_REG_FREQL, (freq & 0x0000FFFF));
+}
+
+char* rda1846_regaddr_to_string(uint8_t addr)
+{
+ switch(addr) {
+ case RDA1846_REG_CTL: return "CTL";
+ case RDA1846_REG_GPIO: return "GPIO";
+ case RDA1846_REG_INT: return "INT";
+ case RDA1846_REG_FLAG: return "FLAG";
+ case RDA1846_REG_RSSI: return "RSSI";
+ case RDA1846_REG_VSSI: return "VSSI";
+ case RDA1846_REG_CLK_MODE: return "CLK_MODE";
+ case RDA1846_REG_XTAL: return "XTAL";
+ case RDA1846_REG_ADCLK: return "ADCLK";
+ case RDA1846_REG_RF_BAND: return "RF_BAND";
+ case RDA1846_REG_FREQH: return "FREQH";
+ case RDA1846_REG_FREQL: return "FREQL";
+ case RDA1846_REG_PA_BIAS: return "PA_BIAS";
+ case RDA1846_REG_TX_VOICE: return "TX_VOICE";
+ case RDA1846_REG_VOX_OPEN: return "VOX_OPEN";
+ case RDA1846_REG_VOX_SHUT: return "VOX_SHUT";
+ case RDA1846_REG_SUBAUDIO: return "SUBAUDIO";
+ case RDA1846_REG_SQ_OPEN: return "SQ_OPEN";
+ case RDA1846_REG_SQ_SHUT: return "SQ_SHUT";
+ case RDA1846_REG_DTMF_CTL: return "DTMF_CTL";
+ case RDA1846_REG_DTMF_T1: return "DTMF_T1";
+ case RDA1846_REG_DTMF_T2: return "DTMF_T2";
+ case RDA1846_REG_DTMF_C01: return "DTMF_C01";
+ case RDA1846_REG_DTMF_C23: return "DTMF_C23";
+ case RDA1846_REG_DTMF_C45: return "DTMF_C45";
+ case RDA1846_REG_DTMF_C67: return "DTMF_C67";
+ case RDA1846_REG_DTMF_OUT: return "DTMF_OUT";
+ default: return "unknown";
+ }
+}
+
+void rda1846_dump_register(void)
+{
+ printf("RDA1846: register dump\r\n");
+
+ const uint8_t regs[] = { RDA1846_REG_RF_BAND, RDA1846_REG_XTAL, RDA1846_REG_ADCLK,
+ RDA1846_REG_CLK_MODE, RDA1846_REG_CTL, RDA1846_REG_INT,
+ RDA1846_REG_GPIO, RDA1846_REG_TX_VOICE, RDA1846_REG_DTMF_CTL,
+ RDA1846_REG_RSSI, RDA1846_REG_VSSI, RDA1846_REG_FLAG,
+ RDA1846_REG_DTMF_OUT, RDA1846_REG_FREQH, RDA1846_REG_FREQL };
+
+ int i;
+ for(i=0; i<sizeof(regs); ++i) {
+ uint16_t data;
+ if(rda1846_read_register(regs[i], &data))
+ data = 0xFFFF;
+ printf(" 0x%02X (%s): 0x%04X\r\n", regs[i], rda1846_regaddr_to_string(regs[i]), data);
+ }
}
diff --git a/software/rda1846dongle/rda1846.h b/software/rda1846dongle/rda1846.h
index e755bee..71d292b 100644
--- a/software/rda1846dongle/rda1846.h
+++ b/software/rda1846dongle/rda1846.h
@@ -36,6 +36,12 @@
void rda1846_init(void);
void rda1846_soft_reset(void);
+void rda1846_powerdown(void);
+void rda1846_wakeup(void);
+
+void rda1846_receive(void);
+void rda1846_transmit(void);
+
int16_t rda1846_get_rssi(void);
int16_t rda1846_get_vssi(void);
uint16_t rda1846_get_flags(void);
@@ -44,4 +50,6 @@ uint8_t rda1846_get_dtmf(uint8_t*, uint8_t*, uint8_t*);
int32_t rda1846_get_freq_kHz(void);
uint8_t rda1846_set_freq_kHz(int32_t freq);
+void rda1846_dump_register(void);
+
#endif
diff --git a/software/rda1846dongle/rda1846_defines.h b/software/rda1846dongle/rda1846_defines.h
index ab4b496..ad08703 100644
--- a/software/rda1846dongle/rda1846_defines.h
+++ b/software/rda1846dongle/rda1846_defines.h
@@ -77,8 +77,7 @@
// init values
#define RDA1846_RF_BAND_2M 0x00C0 // select 2m Band
-#define RDA1846_BAND_LOW 134000 // kHz
-#define RDA1846_BAND_HIGH 174000 // kHZ
+#define RDA1846_RF_BAND_70CM 0x0000 // select 70cm Band
#define RDA1846_XTAL_FREQ 12288 // 12.288 MHz
#define RDA1846_ADCLK_FREQ 6144 // 12.288/2 MHz
#define RDA1846_CLK_MODE (1<<0) // 12-14 MHz
diff --git a/software/rda1846dongle/rda1846dongle.c b/software/rda1846dongle/rda1846dongle.c
index 4c78168..ebb97de 100644
--- a/software/rda1846dongle/rda1846dongle.c
+++ b/software/rda1846dongle/rda1846dongle.c
@@ -43,8 +43,20 @@
#include "rda1846_defines.h"
#define DEFAULT_FREQ 145900
+//#define DEFAULT_FREQ 409750
int32_t current_freq_kHz = DEFAULT_FREQ;
+static void set_default_freq(void)
+{
+ printf("setting frequency to %d.%03d MHz .. ", (uint16_t)(current_freq_kHz / 1000),
+ (uint16_t)(current_freq_kHz % 1000));
+ current_freq_kHz = DEFAULT_FREQ;
+ if(rda1846_set_freq_kHz(current_freq_kHz))
+ printf("error\r\n");
+ else
+ printf("ok\r\n");
+}
+
static int32_t print_actual_freq(void)
{
int32_t f = rda1846_get_freq_kHz();
@@ -59,14 +71,18 @@ static void update_current_freq(void)
{
printf("setting frequency to %d.%03d MHz .. ", (uint16_t)(current_freq_kHz / 1000),
(uint16_t)(current_freq_kHz % 1000));
+ rda1846_powerdown();
+
if(rda1846_set_freq_kHz(current_freq_kHz))
printf("error\r\n");
else
printf("ok\r\n");
- current_freq_kHz = print_actual_freq();
- if(current_freq_kHz < 0)
- current_freq_kHz = DEFAULT_FREQ;
+ rda1846_wakeup();
+
+ /* current_freq_kHz = print_actual_freq(); */
+ /* if(current_freq_kHz < 0) */
+ /* current_freq_kHz = DEFAULT_FREQ; */
}
static void print_status(void)
@@ -110,9 +126,18 @@ static void handle_cmd(uint8_t cmd)
case 't': led_toggle(); printf("led TOGGLE\r\n"); break;
case '!': reset2bootloader(); break;
case 'r': rda1846_soft_reset(); printf("soft resetting RDA1846.\r\n"); break;
+ case 'i': rda1846_init(); printf("initializing RDA1846.\r\n"); break;
+ case 'F': set_default_freq(); break;
case 'f': print_actual_freq(); break;
case 's': print_status(); break;
case 'd': print_dtmf(); break;
+ case 'D': rda1846_dump_register(); break;
+ case 'p': rda1846_powerdown(); break;
+ case 'P': rda1846_wakeup(); break;
+
+ case 'R': rda1846_receive(); break;
+ case 'T': rda1846_transmit(); break;
+
case '+': current_freq_kHz+=25; update_current_freq(); break;
case '-': current_freq_kHz-=25; update_current_freq(); break;
default: printf("\r\n"); return;
@@ -129,9 +154,6 @@ int main(void)
usbio_init();
sei();
- rda1846_init();
- rda1846_set_freq_kHz(current_freq_kHz);
-
for(;;) {
int16_t BytesReceived = usbio_bytes_received();
while(BytesReceived > 0) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 02:01:31 +0000