Add support for changing the DS and DSi battery level

The DS battery level is configured via the SPI Power Management Device,
and the DSi's is configured via the I2C BPTWL. Add support for changing
these registers and add the "Power Management" dialog in the UI.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/DSi_I2C.cpp b/src/DSi_I2C.cpp
index a421430..5d13b2a 100644
--- a/src/DSi_I2C.cpp
+++ b/src/DSi_I2C.cpp
@@ -22,6 +22,7 @@
 #include "DSi_I2C.h"
 #include "DSi_Camera.h"
 #include "ARM.h"
+#include "SPI.h"
 
 
 namespace DSi_BPTWL
@@ -82,6 +83,19 @@ void DoSavestate(Savestate* file)
 
 u8 GetBootFlag() { return Registers[0x70]; }
 
+bool GetBatteryCharging() { return Registers[0x20] >> 7; }
+void SetBatteryCharging(bool charging)
+{
+    Registers[0x20] = (((charging ? 0x8 : 0x0) << 4) | (Registers[0x20] & 0x0F));
+}
+
+u8 GetBatteryLevel() { return Registers[0x20] & 0xF; }
+void SetBatteryLevel(u8 batteryLevel)
+{
+    Registers[0x20] = ((Registers[0x20] & 0xF0) | (batteryLevel & 0x0F));
+    SPI_Powerman::SetBatteryLevelOkay(batteryLevel > batteryLevel_Low ? true : false);
+}
+
 void Start()
 {
     //printf("BPTWL: start\n");