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reset_board_buses: need to check if sharpdisplay uses SPI bus

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This commit is contained in:
Jeff Epler 2020-08-18 09:31:03 -05:00
parent a28d0f6c80
commit b542c1486f
1 changed files with 14 additions and 2 deletions
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16
shared-module/board/__init__.c
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@ -39,6 +39,11 @@
#include "shared-module/displayio/__init__.h"
#endif
#if CIRCUITPY_SHARPDISPLAY
#include "shared-bindings/sharpdisplay/SharpMemoryFramebuffer.h"
#include "shared-module/sharpdisplay/SharpMemoryFramebuffer.h"
#endif
#if BOARD_I2C
// Statically allocate the I2C object so it can live past the end of the heap and into the next VM.
// That way it can be used by built-in I2CDisplay displays and be accessible through board.I2C().
@ -148,12 +153,19 @@ void reset_board_busses(void) {
bool display_using_spi = false;
#if CIRCUITPY_DISPLAYIO
for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) {
if (displays[i].fourwire_bus.bus == spi_singleton) {
mp_const_obj_t bus_type = displays[i].bus_base.type;
if (bus_type == &displayio_fourwire_type && displays[i].fourwire_bus.bus == spi_singleton) {
display_using_spi = true;
break;
}
}
#if CIRCUITPY_SHARPDISPLAY
if (displays[i].bus_base.type == &sharpdisplay_framebuffer_type && displays[i].sharpdisplay.bus == spi_singleton) {
display_using_spi = true;
break;
}
#endif
#endif
}
if (!display_using_spi) {
spi_singleton = NULL;
}