From c044098c8d49aa22000e019b3e717e0e31f6b28f Mon Sep 17 00:00:00 2001
From: Fabian Schlenz <mail@fabianonline.de>
Date: Wed, 14 Aug 2019 06:36:26 +0200
Subject: [PATCH] Add code for switching the speaker respective their amps on
 or off.

---
 include/config.h |  2 ++
 include/player.h |  2 ++
 src/player.cpp   | 25 +++++++++++++++++++++++++
 3 files changed, 29 insertions(+)

diff --git a/include/config.h b/include/config.h
index 4faf1f8..0f5a50f 100644
--- a/include/config.h
+++ b/include/config.h
@@ -37,6 +37,8 @@
 #define PIN_VS1053_XDCS    D1
 #define PIN_VS1053_DREQ    D2
 #define PIN_RC522_CS         D0
+#define SPEAKER_L 15
+#define SPEAKER_R 14
 
 #define PIN_BTN_VOL_UP       D4
 #define PIN_BTN_VOL_DOWN     D5
diff --git a/include/player.h b/include/player.h
index d8a7df0..483e40d 100644
--- a/include/player.h
+++ b/include/player.h
@@ -62,6 +62,8 @@ private:
 	void _unmute();
 	void _sleep();
 	void _wakeup();
+	void _speaker_off();
+	void _speaker_on();
 
 	SPISettings _spi_settings_slow = SPISettings(250000, MSBFIRST, SPI_MODE0);
 	SPISettings _spi_settings_fast = SPISettings(4000000, MSBFIRST, SPI_MODE0);
diff --git a/src/player.cpp b/src/player.cpp
index 2962731..1fa744d 100644
--- a/src/player.cpp
+++ b/src/player.cpp
@@ -6,18 +6,25 @@
 //Player::_spi_settings
 
 Player::Player(MCP* m) {
+	SPIMaster::enable(PIN_MCP);
 	_mcp = m;
 	_mcp->pinMode(XRESET, OUTPUT);
 	_mcp->digitalWrite(XRESET, HIGH);
+	_mcp->pinMode(SPEAKER_L, OUTPUT);
+	_mcp->pinMode(SPEAKER_R, OUTPUT);
+	_speaker_off();
+	SPIMaster::disable();
 	pinMode(DREQ, INPUT);
 
 	_init();
 }
 
 void Player::_reset() {
+	SPIMaster::enable(PIN_MCP);
 	_mcp->digitalWrite(XRESET, LOW);
 	delay(100);
 	_mcp->digitalWrite(XRESET, HIGH);
+	SPIMaster::disable();
 	delay(100);
 	_state = uninitialized;
 	_spi_settings = &_spi_settings_slow; // After reset, communication has to be slow
@@ -72,8 +79,25 @@ void Player::_init() {
 	_state = idle;
 }
 
+void Player::_speaker_off() {
+	DEBUG("Speaker off\n");
+	SPIMaster::enable(PIN_MCP);
+	_mcp->digitalWrite(SPEAKER_R, LOW);
+	_mcp->digitalWrite(SPEAKER_L, LOW);
+	SPIMaster::disable();
+}
+
+void Player::_speaker_on() {
+	DEBUG("Speaker on\n");
+	SPIMaster::enable(PIN_MCP);
+	_mcp->digitalWrite(SPEAKER_R, HIGH);
+	_mcp->digitalWrite(SPEAKER_L, HIGH);
+	SPIMaster::disable();
+}
+
 void Player::_sleep() {
 	DEBUG("VS1053 going to sleep.\n");
+	_speaker_off();
 	_write_control_register(SCI_CLOCKF, 0x0000);
 	_spi_settings = &_spi_settings_slow;
 	_write_control_register(SCI_AUDATA, 0x0010);
@@ -89,6 +113,7 @@ void Player::_wakeup() {
 	_write_control_register(SCI_AUDATA, 0x0000);
 	_write_control_register(SCI_CLOCKF, 0x6000);
 	delay(10);
+	_speaker_on();
 	_spi_settings = &_spi_settings_fast;
 	_state = idle;
 }