diff options
Diffstat (limited to 'src/drivers/gpios.cpp')
| -rw-r--r-- | src/drivers/gpios.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/drivers/gpios.cpp b/src/drivers/gpios.cpp index 6689e2ea..1d1f5281 100644 --- a/src/drivers/gpios.cpp +++ b/src/drivers/gpios.cpp @@ -26,21 +26,21 @@ static const uint8_t kPca8575Address = 0x20; // 4 - key lock // 5 - display reset (active low) // 6 - NC -// 7 - sd card power (active low) -// Default to SD card off, inputs high. -static const uint8_t kPortADefault = 0b10111110; +// 7 - sd card power +// Default to SD card off, inputs high, display running +static const uint8_t kPortADefault = 0b00111110; // Port B: // 0 - 3.5mm jack detect (active low) // 1 - headphone amp power enable -// 2 - volume zero-cross detection -// 3 - volume direction -// 4 - volume left channel -// 5 - volume right channel +// 2 - sd card detect +// 3 - NC +// 4 - NC +// 5 - NC // 6 - NC // 7 - NC -// Default input high, trs output low -static const uint8_t kPortBDefault = 0b00000011; +// Default inputs high, amp off. +static const uint8_t kPortBDefault = 0b00000101; /* * Convenience mehod for packing the port a and b bytes into a single 16 bit |