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fix #68 (@girtsf, pls review - ps: no worries ;-) )

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// We don't set useDisplay until setup() is called, because some boards have a declaration of this object but the device
// is never found when probing i2c and therefore we don't call setup and never want to do (invalid) accesses to this device.
This commit is contained in:
geeksville 2020-03-29 11:00:25 -07:00
parent 9b0e329bb9
commit 11d57e721a
1 changed files with 4 additions and 3 deletions
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7
src/screen.cpp
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@ -402,7 +402,7 @@ void _screen_header()
#endif #endif
Screen::Screen(uint8_t address, uint8_t sda, uint8_t scl) Screen::Screen(uint8_t address, uint8_t sda, uint8_t scl)
: cmdQueue(32), useDisplay(sda || scl), dispdev(address, sda, scl), ui(&dispdev) : cmdQueue(32), useDisplay(false), dispdev(address, sda, scl), ui(&dispdev)
{ {
} }
@ -425,8 +425,9 @@ void Screen::handleSetOn(bool on)
void Screen::setup() void Screen::setup()
{ {
if (!useDisplay) // We don't set useDisplay until setup() is called, because some boards have a declaration of this object but the device
return; // is never found when probing i2c and therefore we don't call setup and never want to do (invalid) accesses to this device.
useDisplay = true;
dispdev.resetOrientation(); dispdev.resetOrientation();