fix: invert GP27 logic and rename from AUDIO_MUTE_CTRL to AUDIO_DAC_E…

…NABLE
elehobica · Jul 3, 2021 · f36e736 · f36e736
1 parent cb16e5d
commit f36e736
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Showing 3 changed files with 10 additions and 10 deletions.
diff --git a/Readme.md b/Readme.md
@@ -27,7 +27,7 @@ This project features:
 | 22 | GP17 | LRCK | to PCM5102 LRCK (15) |
 | 23 | GND | GND | GND |
 | 24 | GP18 | SDO | to PCM5102 DIN (14) |
-| 32 | GP27 | AUDIO_MUTE_CTRL | to PCM5102 XSMT (17) |
+| 32 | GP27 | AUDIO_DAC_ENABLE | to PCM5102 XSMT (17) |
 | 36 / 40 | 3V3(OUT) / VBUS | VCC | to VIN of PCM5102 board |
 
 From DAC noise's point of view, it is recommended to provide the power of PCM5102 from VBUS (5V).

diff --git a/doc/RPi_Pico_WAV_Player_schematic.pdf b/doc/RPi_Pico_WAV_Player_schematic.pdf
diff --git a/src/main.cpp b/src/main.cpp
@@ -25,13 +25,13 @@
 
 //#define INITIALIZE_CONFIG_PARAM
 
-const char *VersionStr = "0.8.0";
+const char *VersionStr = "0.8.1";
 
 // PIN setting
 static const uint32_t PIN_LED = 25;
 static const uint32_t PIN_POWER_KEEP = 19;
 static const uint32_t PIN_DCDC_PSM_CTRL = 23;
-static const uint32_t PIN_AUDIO_MUTE_CTRL = 27;
+static const uint32_t PIN_AUDIO_DAC_ENABLE = 27;
 
 static inline uint32_t _millis(void)
 {
@@ -186,7 +186,7 @@ static void power_off(const char *msg, bool is_error = false)
     if (msg != NULL) { lcd.setMsg(msg, is_error); }
     uint32_t stay_time = (is_error) ? 4000 : 1000;
     uint32_t time = _millis();
-    gpio_put(PIN_AUDIO_MUTE_CTRL, 1);
+    gpio_put(PIN_AUDIO_DAC_ENABLE, 0);
     audio_codec_deinit();
     while (_millis() - time < stay_time) {
         sleep_ms(LoopCycleMs);
@@ -215,10 +215,10 @@ int main() {
     gpio_set_dir(PIN_DCDC_PSM_CTRL, GPIO_OUT);
     gpio_put(PIN_DCDC_PSM_CTRL, 1); // PWM mode for less Audio noise
 
-    // Audio Mute ON
-    gpio_init(PIN_AUDIO_MUTE_CTRL);
-    gpio_set_dir(PIN_AUDIO_MUTE_CTRL, GPIO_OUT);
-    gpio_put(PIN_AUDIO_MUTE_CTRL, 1);
+    // Audio DAC Disable (Mute On)
+    gpio_init(PIN_AUDIO_DAC_ENABLE);
+    gpio_set_dir(PIN_AUDIO_DAC_ENABLE, GPIO_OUT);
+    gpio_put(PIN_AUDIO_DAC_ENABLE, 0);
 
     audio_clock_96MHz();
 
@@ -273,8 +273,8 @@ int main() {
     ui_mode_enm_t init_dest_mode;
     loadFromFlash(dir_stack, &init_dest_mode);
 
-    // Audio Mute OFF
-    gpio_put(PIN_AUDIO_MUTE_CTRL, 0);
+    // Audio DAC Enable (Mute Off)
+    gpio_put(PIN_AUDIO_DAC_ENABLE, 1);
     // Audio Codec Initialize
     audio_codec_init();