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- // Copyright 2021 Nick Brassel (@tzarc)
- // SPDX-License-Identifier: GPL-2.0-or-later
-
- #include <quantum.h>
- #include <utf8.h>
-
- #include "qp_internal.h"
- #include "qp_comms.h"
- #include "qp_draw.h"
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Internal driver validation
-
- static bool validate_driver_vtable(struct painter_driver_t *driver) {
- return (driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels) ? true : false;
- }
-
- static bool validate_comms_vtable(struct painter_driver_t *driver) {
- return (driver->comms_vtable && driver->comms_vtable->comms_init && driver->comms_vtable->comms_start && driver->comms_vtable->comms_stop && driver->comms_vtable->comms_send) ? true : false;
- }
-
- static bool validate_driver_integrity(struct painter_driver_t *driver) {
- return validate_driver_vtable(driver) && validate_comms_vtable(driver);
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_init
-
- bool qp_init(painter_device_t device, painter_rotation_t rotation) {
- qp_dprintf("qp_init: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
-
- driver->validate_ok = false;
- if (!validate_driver_integrity(driver)) {
- qp_dprintf("Failed to validate driver integrity in qp_init\n");
- return false;
- }
-
- driver->validate_ok = true;
-
- if (!qp_comms_init(device)) {
- driver->validate_ok = false;
- qp_dprintf("qp_init: fail (could not init comms)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_init: fail (could not start comms)\n");
- return false;
- }
-
- // Set the rotation before init
- driver->rotation = rotation;
-
- // Invoke init
- bool ret = driver->driver_vtable->init(device, rotation);
- qp_comms_stop(device);
- qp_dprintf("qp_init: %s\n", ret ? "ok" : "fail");
- return ret;
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_power
-
- bool qp_power(painter_device_t device, bool power_on) {
- qp_dprintf("qp_power: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
- if (!driver->validate_ok) {
- qp_dprintf("qp_power: fail (validation_ok == false)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_power: fail (could not start comms)\n");
- return false;
- }
-
- bool ret = driver->driver_vtable->power(device, power_on);
- qp_comms_stop(device);
- qp_dprintf("qp_power: %s\n", ret ? "ok" : "fail");
- return ret;
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_clear
-
- bool qp_clear(painter_device_t device) {
- qp_dprintf("qp_clear: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
- if (!driver->validate_ok) {
- qp_dprintf("qp_clear: fail (validation_ok == false)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_clear: fail (could not start comms)\n");
- return false;
- }
-
- bool ret = driver->driver_vtable->clear(device);
- qp_comms_stop(device);
- qp_dprintf("qp_clear: %s\n", ret ? "ok" : "fail");
- return ret;
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_flush
-
- bool qp_flush(painter_device_t device) {
- qp_dprintf("qp_flush: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
- if (!driver->validate_ok) {
- qp_dprintf("qp_flush: fail (validation_ok == false)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_flush: fail (could not start comms)\n");
- return false;
- }
-
- bool ret = driver->driver_vtable->flush(device);
- qp_comms_stop(device);
- qp_dprintf("qp_flush: %s\n", ret ? "ok" : "fail");
- return ret;
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_get_geometry
-
- void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y) {
- qp_dprintf("qp_geometry: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
-
- switch (driver->rotation) {
- default:
- case QP_ROTATION_0:
- case QP_ROTATION_180:
- if (width) {
- *width = driver->panel_width;
- }
- if (height) {
- *height = driver->panel_height;
- }
- break;
- case QP_ROTATION_90:
- case QP_ROTATION_270:
- if (width) {
- *width = driver->panel_height;
- }
- if (height) {
- *height = driver->panel_width;
- }
- break;
- }
-
- if (rotation) {
- *rotation = driver->rotation;
- }
-
- if (offset_x) {
- *offset_x = driver->offset_x;
- }
-
- if (offset_y) {
- *offset_y = driver->offset_y;
- }
-
- qp_dprintf("qp_geometry: ok\n");
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_set_viewport_offsets
-
- void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_t offset_y) {
- qp_dprintf("qp_set_viewport_offsets: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
-
- driver->offset_x = offset_x;
- driver->offset_y = offset_y;
-
- qp_dprintf("qp_set_viewport_offsets: ok\n");
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_viewport
-
- bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
- qp_dprintf("qp_viewport: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
- if (!driver->validate_ok) {
- qp_dprintf("qp_viewport: fail (validation_ok == false)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_viewport: fail (could not start comms)\n");
- return false;
- }
-
- // Set the viewport
- bool ret = driver->driver_vtable->viewport(device, left, top, right, bottom);
- qp_dprintf("qp_viewport: %s\n", ret ? "ok" : "fail");
- qp_comms_stop(device);
- return ret;
- }
-
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
- // Quantum Painter External API: qp_pixdata
-
- bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count) {
- qp_dprintf("qp_pixdata: entry\n");
- struct painter_driver_t *driver = (struct painter_driver_t *)device;
- if (!driver->validate_ok) {
- qp_dprintf("qp_pixdata: fail (validation_ok == false)\n");
- return false;
- }
-
- if (!qp_comms_start(device)) {
- qp_dprintf("qp_pixdata: fail (could not start comms)\n");
- return false;
- }
-
- bool ret = driver->driver_vtable->pixdata(device, pixel_data, native_pixel_count);
- qp_dprintf("qp_pixdata: %s\n", ret ? "ok" : "fail");
- qp_comms_stop(device);
- return ret;
- }
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