diff options
| author | Dan Halbert <halbert@halwitz.org> | 2019-08-28 16:09:18 -0400 |
|---|---|---|
| committer | Dan Halbert <halbert@halwitz.org> | 2019-08-28 16:09:18 -0400 |
| commit | a72bcab0fd2af3c2b92f4d256c6bd5ae58fd225e (patch) | |
| tree | 745a219e936af91dac0a4d5de2cc0ef5d6c93a6b /shared-module/displayio/I2CDisplay.c | |
| parent | 0364f1dc854ff5f30b9ab2a72a406aab684a1d20 (diff) | |
| parent | 7cbae3d20c0f79511a932bbcb2d66d2620b6bb3a (diff) | |
Merge remote-tracking branch 'adafruit/master' into bleio-api-revamp
Diffstat (limited to 'shared-module/displayio/I2CDisplay.c')
| -rw-r--r-- | shared-module/displayio/I2CDisplay.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/shared-module/displayio/I2CDisplay.c b/shared-module/displayio/I2CDisplay.c index 9d8949528..87261dca0 100644 --- a/shared-module/displayio/I2CDisplay.c +++ b/shared-module/displayio/I2CDisplay.c @@ -35,6 +35,7 @@ #include "shared-bindings/digitalio/DigitalInOut.h" #include "shared-bindings/microcontroller/__init__.h" #include "shared-bindings/time/__init__.h" +#include "shared-module/displayio/display_core.h" #include "tick.h" @@ -55,14 +56,13 @@ void common_hal_displayio_i2cdisplay_construct(displayio_i2cdisplay_obj_t* self, self->address = device_address; + self->reset.base.type = &mp_type_NoneType; if (reset != NULL) { + self->reset.base.type = &digitalio_digitalinout_type; common_hal_digitalio_digitalinout_construct(&self->reset, reset); common_hal_digitalio_digitalinout_switch_to_output(&self->reset, true, DRIVE_MODE_PUSH_PULL); never_reset_pin_number(reset->number); - - common_hal_digitalio_digitalinout_set_value(&self->reset, false); - common_hal_mcu_delay_us(1); - common_hal_digitalio_digitalinout_set_value(&self->reset, true); + common_hal_displayio_i2cdisplay_reset(self); } } @@ -74,7 +74,19 @@ void common_hal_displayio_i2cdisplay_deinit(displayio_i2cdisplay_obj_t* self) { reset_pin_number(self->reset.pin->number); } -bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) { +bool common_hal_displayio_i2cdisplay_reset(mp_obj_t obj) { + displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj); + if (self->reset.base.type == &mp_type_NoneType) { + return false; + } + + common_hal_digitalio_digitalinout_set_value(&self->reset, false); + common_hal_mcu_delay_us(4); + common_hal_digitalio_digitalinout_set_value(&self->reset, true); + return true; +} + +bool common_hal_displayio_i2cdisplay_bus_free(mp_obj_t obj) { displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj); if (!common_hal_busio_i2c_try_lock(self->bus)) { return false; @@ -82,9 +94,13 @@ bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) { return true; } -void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, bool command, uint8_t *data, uint32_t data_length) { +bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) { + return common_hal_displayio_i2cdisplay_bus_free(obj); +} + +void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, display_byte_type_t data_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) { displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj); - if (command) { + if (data_type == DISPLAY_COMMAND) { uint8_t command_bytes[2 * data_length]; for (uint32_t i = 0; i < data_length; i++) { command_bytes[2 * i] = 0x80; |
