Signal strength meter for FM radio - FS#8151 by Przemysław Hołubowski
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28559 a1c6a512-1295-4272-9138-f99709370657
diff --git a/apps/gui/skin_engine/skin_tokens.c b/apps/gui/skin_engine/skin_tokens.c
index 665e73a..efe67a1 100644
--- a/apps/gui/skin_engine/skin_tokens.c
+++ b/apps/gui/skin_engine/skin_tokens.c
@@ -475,6 +475,17 @@
case SKIN_TOKEN_TUNER_CURFREQ:
return format_freq_MHz(radio_current_frequency(),
region_data->freq_step, buf, buf_size);
+#ifdef HAVE_RADIO_RSSI
+ case SKIN_TOKEN_TUNER_RSSI:
+ snprintf(buf, buf_size, "%d",tuner_get(RADIO_RSSI));
+ return buf;
+ case SKIN_TOKEN_TUNER_RSSI_MIN:
+ snprintf(buf, buf_size, "%d",tuner_get(RADIO_RSSI_MIN));
+ return buf;
+ case SKIN_TOKEN_TUNER_RSSI_MAX:
+ snprintf(buf, buf_size, "%d",tuner_get(RADIO_RSSI_MAX));
+ return buf;
+#endif
case SKIN_TOKEN_PRESET_NAME:
case SKIN_TOKEN_PRESET_FREQ:
case SKIN_TOKEN_PRESET_ID:
diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index 9034130..0817134 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -12647,3 +12647,20 @@
*: "Start File Browser at root"
</voice>
</phrase>
+<phrase>
+ id: LANG_FM_RSSI
+ desc: Signal strength of a received FM station
+ user: core
+ <source>
+ *: none
+ radio: "Signal strength:"
+ </source>
+ <dest>
+ *: none
+ radio: "Signal strength:"
+ </dest>
+ <voice>
+ *: none
+ radio: "Signal strength:"
+ </voice>
+</phrase>
diff --git a/apps/lang/polski.lang b/apps/lang/polski.lang
index 8661a2d..bc54d11 100644
--- a/apps/lang/polski.lang
+++ b/apps/lang/polski.lang
@@ -12580,3 +12580,20 @@
*: "Rozpocznij Przeglądanie Plików Tutaj"
</voice>
</phrase>
+<phrase>
+ id: LANG_FM_RSSI
+ desc: Signal strength of a received FM station
+ user: core
+ <source>
+ *: none
+ radio: "Signal strength:"
+ </source>
+ <dest>
+ *: none
+ radio: "Poziom sygnału:"
+ </dest>
+ <voice>
+ *: none
+ radio: "Poziom sygnału:"
+ </voice>
+</phrase>
diff --git a/apps/radio/radio_skin.c b/apps/radio/radio_skin.c
index 3079693..68314d6 100644
--- a/apps/radio/radio_skin.c
+++ b/apps/radio/radio_skin.c
@@ -27,6 +27,7 @@
#include "skin_engine/skin_engine.h"
#include "settings.h"
#include "radio.h"
+#include "tuner.h"
#include "action.h"
#include "appevents.h"
#include "statusbar-skinned.h"
@@ -41,6 +42,9 @@
"%Sx(Station:) %tf MHz\n"
"%?St(force fm mono)<%Sx(Force Mono)|%?ts<%Sx(Stereo)|%Sx(Mono)>>\n"
"%Sx(Mode:) %?tm<%Sx(Scan)|%Sx(Preset)>\n"
+#ifdef HAVE_RADIO_RSSI
+ "%Sx(Signal strength:) %tr dBuV\n"
+#endif
#if CONFIG_CODEC != SWCODEC && !defined(SIMULATOR)
"%?Rr<%Sx(Time:) %Rh:%Rn:%Rs|%?St(prerecording time)<%pm|%Sx(Prerecord Time) %Rs>>\n"
#endif
diff --git a/firmware/drivers/tuner/lv24020lp.c b/firmware/drivers/tuner/lv24020lp.c
index 0228888..590ca96 100644
--- a/firmware/drivers/tuner/lv24020lp.c
+++ b/firmware/drivers/tuner/lv24020lp.c
@@ -35,6 +35,10 @@
static struct mutex tuner_mtx;
+/* define RSSI range */
+#define RSSI_MIN 5
+#define RSSI_MAX 75
+
/* define to enable tuner logging */
#undef SANYO_TUNER_LOG_FILE
#undef SANYO_TUNER_LOGF
@@ -966,6 +970,8 @@
int lv24020lp_get(int setting)
{
int val = -1;
+ const unsigned char fst[7] = {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f};
+ unsigned char fst_ndx, fs;
mutex_lock(&tuner_mtx);
@@ -994,6 +1000,22 @@
break;
}
+ case RADIO_RSSI:
+ fs = RSS_FS(lv24020lp_read(RADIO_STAT));
+ for(fst_ndx=0; fst_ndx<7; fst_ndx++)
+ if(fs == fst[fst_ndx])
+ break;
+ val = 75 - 10*fst_ndx;
+ break;
+
+ case RADIO_RSSI_MIN:
+ val = RSSI_MIN;
+ break;
+
+ case RADIO_RSSI_MAX:
+ val = RSSI_MAX;
+ break;
+
default:
val = lv24020lp_debug_info(setting);
}
diff --git a/firmware/drivers/tuner/rda5802.c b/firmware/drivers/tuner/rda5802.c
index 43dffe2..82dc0bb 100644
--- a/firmware/drivers/tuner/rda5802.c
+++ b/firmware/drivers/tuner/rda5802.c
@@ -34,6 +34,10 @@
#define I2C_ADR 0x20
+/* define RSSI range */
+#define RSSI_MIN 0
+#define RSSI_MAX 70
+
/** Registers and bits **/
#define POWERCFG 0x2
#define CHANNEL 0x3
@@ -263,6 +267,12 @@
return (rda5802_read_reg(READCHAN) & READCHAN_ST);
}
+static int rda5802_rssi(void)
+{
+ uint16_t status = rda5802_read_reg(STATUSRSSI);
+ return STATUSRSSI_RSSIr(status);
+}
+
/* tuner abstraction layer: set something to the tuner */
int rda5802_set(int setting, int value)
{
@@ -323,6 +333,18 @@
case RADIO_STEREO:
val = rda5802_st();
break;
+
+ case RADIO_RSSI:
+ val = rda5802_rssi();
+ break;
+
+ case RADIO_RSSI_MIN:
+ val = RSSI_MIN;
+ break;
+
+ case RADIO_RSSI_MAX:
+ val = RSSI_MAX;
+ break;
}
return val;
diff --git a/firmware/drivers/tuner/si4700.c b/firmware/drivers/tuner/si4700.c
index dfc0e46..4747357 100644
--- a/firmware/drivers/tuner/si4700.c
+++ b/firmware/drivers/tuner/si4700.c
@@ -50,6 +50,10 @@
#define I2C_ADR 0x20
+/* define RSSI range */
+#define RSSI_MIN 0
+#define RSSI_MAX 70
+
/** Registers and bits - "x" denotes Si4702/03 only (so they say) **/
#define DEVICEID 0x0
#define CHIPID 0x1
@@ -197,7 +201,7 @@
#define STATUSRSSI_BLERA (0x3 << 9) /* x */
#define STATUSRSSI_ST (0x1 << 8)
#define STATUSRSSI_RSSI (0xff << 0)
- #define STATUSRSSI_RSSIr(x) ((x) & 0xff)
+#define STATUSRSSI_RSSIr(x) ((x) & 0xff)
/* READCHAN (0xB) */
#define READCHAN_BLERB (0x3 << 14) /* x */
@@ -481,6 +485,18 @@
case RADIO_STEREO:
val = si4700_st();
break;
+
+ case RADIO_RSSI:
+ val = STATUSRSSI_RSSIr(si4700_read_reg(STATUSRSSI));
+ break;
+
+ case RADIO_RSSI_MIN:
+ val = RSSI_MIN;
+ break;
+
+ case RADIO_RSSI_MAX:
+ val = RSSI_MAX;
+ break;
}
return val;
diff --git a/firmware/drivers/tuner/tea5760uk.c b/firmware/drivers/tuner/tea5760uk.c
index 20234e2..c1dff59 100644
--- a/firmware/drivers/tuner/tea5760uk.c
+++ b/firmware/drivers/tuner/tea5760uk.c
@@ -30,6 +30,10 @@
#define I2C_ADR 0x22
+/* define RSSI range */
+#define RSSI_MIN 4
+#define RSSI_MAX 46
+
static bool tuner_present = false;
static unsigned char write_bytes[7] = {
0x00, /* INTREG LSB */
@@ -138,6 +142,19 @@
case RADIO_STEREO:
val = read_bytes[9] >> 2;
break;
+
+ case RADIO_RSSI:
+ val = (read_bytes[9] >> 4) & 0x0F;
+ val = 4 + (28 * val + 5) / 10;
+ break;
+
+ case RADIO_RSSI_MIN:
+ val = RSSI_MIN;
+ break;
+
+ case RADIO_RSSI_MAX:
+ val = RSSI_MAX;
+ break;
}
return val;
diff --git a/firmware/drivers/tuner/tea5767.c b/firmware/drivers/tuner/tea5767.c
index 67aa808..3f3af68 100644
--- a/firmware/drivers/tuner/tea5767.c
+++ b/firmware/drivers/tuner/tea5767.c
@@ -34,6 +34,10 @@
#define I2C_ADR 0xC0
#endif
+/* define RSSI range */
+#define RSSI_MIN 10
+#define RSSI_MAX 55
+
static bool tuner_present = true;
static unsigned char write_bytes[5] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
@@ -132,6 +136,18 @@
case RADIO_STEREO:
val = read_bytes[2] >> 7;
break;
+
+ case RADIO_RSSI:
+ val = 10 + 3*(read_bytes[3] >> 4);
+ break;
+
+ case RADIO_RSSI_MIN:
+ val = RSSI_MIN;
+ break;
+
+ case RADIO_RSSI_MAX:
+ val = RSSI_MAX;
+ break;
}
return val;
diff --git a/firmware/export/lv24020lp.h b/firmware/export/lv24020lp.h
index 753949f..f2e123b 100644
--- a/firmware/export/lv24020lp.h
+++ b/firmware/export/lv24020lp.h
@@ -25,6 +25,7 @@
/* Define additional tuner messages here */
#define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
#define LV24020LP_CTRL_STAT (RADIO_GET_CHIP_FIRST+0)
#define LV24020LP_REG_STAT (RADIO_GET_CHIP_FIRST+1)
diff --git a/firmware/export/rda5802.h b/firmware/export/rda5802.h
index 8770796..0dae3ab 100644
--- a/firmware/export/rda5802.h
+++ b/firmware/export/rda5802.h
@@ -26,6 +26,7 @@
#define _RDA5802_H_
#define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
struct rda5802_dbg_info
{
diff --git a/firmware/export/si4700.h b/firmware/export/si4700.h
index c4aff6f..debc176 100644
--- a/firmware/export/si4700.h
+++ b/firmware/export/si4700.h
@@ -26,6 +26,7 @@
#define _SI4700_H_
#define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
struct si4700_dbg_info
{
diff --git a/firmware/export/tea5760.h b/firmware/export/tea5760.h
index ea857de..a5af67a 100644
--- a/firmware/export/tea5760.h
+++ b/firmware/export/tea5760.h
@@ -27,6 +27,7 @@
#include "tuner.h"
#define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
struct tea5760_dbg_info
{
diff --git a/firmware/export/tea5767.h b/firmware/export/tea5767.h
index 64dd266..6def185 100644
--- a/firmware/export/tea5767.h
+++ b/firmware/export/tea5767.h
@@ -25,6 +25,7 @@
#define HAVE_RADIO_REGION
#define HAVE_RADIO_MUTE_TIMEOUT
+#define HAVE_RADIO_RSSI
struct tea5767_dbg_info
{
diff --git a/firmware/export/tuner.h b/firmware/export/tuner.h
index 9263c08..c8bea86 100644
--- a/firmware/export/tuner.h
+++ b/firmware/export/tuner.h
@@ -46,6 +46,9 @@
RADIO_STEREO,
/* RADIO_EVENT is an event that requests a screen update */
RADIO_EVENT,
+ RADIO_RSSI,
+ RADIO_RSSI_MIN,
+ RADIO_RSSI_MAX,
/* Put new general-purpose readback values above this line */
__RADIO_GET_STANDARD_LAST
diff --git a/lib/skin_parser/tag_table.c b/lib/skin_parser/tag_table.c
index 9a68834..b579ee2 100644
--- a/lib/skin_parser/tag_table.c
+++ b/lib/skin_parser/tag_table.c
@@ -153,6 +153,9 @@
{ SKIN_TOKEN_TUNER_MINFREQ, "ta", "", SKIN_REFRESH_STATIC },
{ SKIN_TOKEN_TUNER_MAXFREQ, "tb", "", SKIN_REFRESH_STATIC },
{ SKIN_TOKEN_TUNER_CURFREQ, "tf", "", SKIN_REFRESH_DYNAMIC },
+ { SKIN_TOKEN_TUNER_RSSI, "tr", "", SKIN_REFRESH_DYNAMIC },
+ { SKIN_TOKEN_TUNER_RSSI_MIN, "tl", "", SKIN_REFRESH_STATIC },
+ { SKIN_TOKEN_TUNER_RSSI_MAX, "th", "", SKIN_REFRESH_STATIC },
{ SKIN_TOKEN_PRESET_ID, "Ti", "", SKIN_REFRESH_STATIC },
{ SKIN_TOKEN_PRESET_NAME, "Tn", "", SKIN_REFRESH_STATIC },
{ SKIN_TOKEN_PRESET_FREQ, "Tf", "", SKIN_REFRESH_STATIC },
diff --git a/lib/skin_parser/tag_table.h b/lib/skin_parser/tag_table.h
index a7ac164..ad72dab 100644
--- a/lib/skin_parser/tag_table.h
+++ b/lib/skin_parser/tag_table.h
@@ -249,6 +249,9 @@
SKIN_TOKEN_TUNER_MINFREQ, /* changes based on "region" */
SKIN_TOKEN_TUNER_MAXFREQ, /* changes based on "region" */
SKIN_TOKEN_TUNER_CURFREQ,
+ SKIN_TOKEN_TUNER_RSSI,
+ SKIN_TOKEN_TUNER_RSSI_MIN,
+ SKIN_TOKEN_TUNER_RSSI_MAX,
SKIN_TOKEN_PRESET_ID, /* "id" of this preset.. really the array element number */
SKIN_TOKEN_PRESET_NAME,
SKIN_TOKEN_PRESET_FREQ,