Squashed 'dtmf_dolphin/' changes from f7e924b..5793814

5793814 fix catalog versions
92645d9 combine 1
418b66e move base pack here
REVERT: f7e924b Update README.md
REVERT: 837ce09 Merge pull request #9 from xMasterX/redbox_ca_fix
REVERT: fba220c Add Redbox (CA) to menu, apply ./fbt format
REVERT: 6006c9f Merge pull request #7 from LambdaCalculus37/main
REVERT: db16f72 Fixed tone generation for Redbox (CA) to add second tone set to 0.0 to satisfy PR issue and to follow with Redbox (US) and Redbox (UK) data
REVERT: 320015c Added redbox data for Canadaian payphone coin tones
REVERT: 610de49 Update README.md
REVERT: a443d34 Redbox functionality complete!
REVERT: 5e8e559 Fixed misc menu.
REVERT: 85a5fed Cleanup and fixing misc menu.
REVERT: 3b366ce Merge pull request #3 from kowalski7cc/fap-icon
REVERT: 90cc9b0 Updated for upstream flipperzero 0.69. Nice.
REVERT: d4821c4 Add fap icon
REVERT: a2b5ccc Update README.md
REVERT: 368dbed Added some edumacational links
REVERT: fd0895a Update README.md
REVERT: 75c0118 Create LICENSE
REVERT: 78050ff Merge pull request #2 from litui/refactor
REVERT: cb02b72 Now functional as dialer and bluebox.
REVERT: 1f0730d Refactor in progress. Many items not working.
REVERT: 508d20a Tweaked README, added image.
REVERT: 4754832 Migrated existing state to a new repo.

git-subtree-dir: dtmf_dolphin
git-subtree-split: 5793814

README.md

@@ -1,4 +1,6 @@
-![Image](assets/dialer.jpg)
+![Image](pics/dialer.jpg)
+
+[Original Link](https://github.com/litui/dtmf_dolphin)
 
 ## DTMF Dolphin
 
@@ -8,8 +10,6 @@ Now in a release-ready state for both Dialer, Bluebox, and Redbox (US/UK) functi
 
 Please note that using the current tone output method, the 2600 tone is scaled about 33 Hz higher than it should be. This is a limitation of the current sample rate.
 
-This is for educational/entertainment purposes only. While the code generates sine waves, the buzzer on the Flipper Zero uses PWM which interferes with the cleanness of the signal. While the tones generated sound fairly accurate, they may not be detected by DTMF applications. This is a hardware limitation.
-
 ### Educational Links:
 
 * http://www.phrack.org/issues/25/7.html#article

application.fam

@@ -3,7 +3,6 @@ App(
     name="DTMF Dolphin",
     apptype=FlipperAppType.EXTERNAL,
     entry_point="dtmf_dolphin_app",
-    cdefines=["DTMF_DOLPHIN"],
     requires=[
         "storage",
         "gui",
@@ -13,4 +12,7 @@ App(
     stack_size=8 * 1024,
     order=20,
     fap_category="Tools",
+    fap_author="@litui & @xMasterX",
+    fap_version="1.2",
+    fap_description="DTMF (Dual-Tone Multi-Frequency) dialer, Bluebox, and Redbox.",
 )

dtmf_dolphin_audio.c

@@ -214,16 +214,20 @@ bool dtmf_dolphin_audio_play_tones(
     generate_waveform(current_player, 0);
     generate_waveform(current_player, current_player->half_buffer_length);
 
-    dtmf_dolphin_speaker_init();
     dtmf_dolphin_dma_init((uint32_t)current_player->sample_buffer, current_player->buffer_length);
 
     furi_hal_interrupt_set_isr(
         FuriHalInterruptIdDma1Ch1, dtmf_dolphin_audio_dma_isr, current_player->queue);
-
-    dtmf_dolphin_dma_start();
-    dtmf_dolphin_speaker_start();
-    current_player->playing = true;
-    return true;
+    if(furi_hal_speaker_acquire(1000)) {
+        dtmf_dolphin_speaker_init();
+        dtmf_dolphin_dma_start();
+        dtmf_dolphin_speaker_start();
+        current_player->playing = true;
+        return true;
+    } else {
+        current_player->playing = false;
+        return false;
+    }
 }
 
 bool dtmf_dolphin_audio_stop_tones() {
@@ -238,6 +242,7 @@ bool dtmf_dolphin_audio_stop_tones() {
     }
     dtmf_dolphin_speaker_stop();
     dtmf_dolphin_dma_stop();
+    furi_hal_speaker_release();
 
     furi_hal_interrupt_set_isr(FuriHalInterruptIdDma1Ch1, NULL, NULL);