From b25c4baeecc885ac31f2e92686179b4f2385cdc6 Mon Sep 17 00:00:00 2001 From: Melissa LeBlanc-Williams Date: Sat, 23 Mar 2019 21:04:25 -0700 Subject: Moving Toggle to before command fixes driver issue --- shared-module/displayio/Display.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'shared-module') diff --git a/shared-module/displayio/Display.c b/shared-module/displayio/Display.c index f82d94799..8ebe4b543 100644 --- a/shared-module/displayio/Display.c +++ b/shared-module/displayio/Display.c @@ -60,6 +60,7 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, self->begin_transaction = common_hal_displayio_parallelbus_begin_transaction; self->send = common_hal_displayio_parallelbus_send; self->end_transaction = common_hal_displayio_parallelbus_end_transaction; + self->set_cs = NULL; } else if (MP_OBJ_IS_TYPE(bus, &displayio_fourwire_type)) { self->begin_transaction = common_hal_displayio_fourwire_begin_transaction; self->send = common_hal_displayio_fourwire_send; @@ -82,12 +83,12 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, bool delay = (data_size & DELAY) != 0; data_size &= ~DELAY; uint8_t *data = cmd + 2; - self->send(self->bus, true, cmd, 1); - self->send(self->bus, false, data, data_size); if (self->init_cs_toggle && self->set_cs != NULL) { self->set_cs(self->bus, true); self->set_cs(self->bus, false); } + self->send(self->bus, true, cmd, 1); + self->send(self->bus, false, data, data_size); uint16_t delay_length_ms = 10; if (delay) { data_size++; -- cgit v1.2.3