diff options
Diffstat (limited to 'shared-module/displayio')
| -rw-r--r-- | shared-module/displayio/FourWire.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/shared-module/displayio/FourWire.c b/shared-module/displayio/FourWire.c index 9da5c0701..043f68e26 100644 --- a/shared-module/displayio/FourWire.c +++ b/shared-module/displayio/FourWire.c @@ -30,6 +30,7 @@ #include "shared-bindings/busio/SPI.h" #include "shared-bindings/digitalio/DigitalInOut.h" +#include "shared-bindings/time/__init__.h" #include "tick.h" @@ -78,6 +79,11 @@ bool common_hal_displayio_fourwire_begin_transaction(mp_obj_t obj) { void common_hal_displayio_fourwire_send(mp_obj_t obj, bool command, uint8_t *data, uint32_t data_length) { displayio_fourwire_obj_t* self = MP_OBJ_TO_PTR(obj); + if (command) { + common_hal_digitalio_digitalinout_set_value(&self->chip_select, true); + common_hal_time_delay_ms(1); + common_hal_digitalio_digitalinout_set_value(&self->chip_select, false); + } common_hal_digitalio_digitalinout_set_value(&self->command, !command); common_hal_busio_spi_write(self->bus, data, data_length); } |