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refactor(display): Move clear to unblank for EPD driver.

This commit is contained in:
Peter Johanson 2022-04-25 22:07:13 -04:00 committed by Pete Johanson
parent c4a47c08de
commit e3efffa9a8
1 changed files with 53 additions and 57 deletions
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110
app/drivers/display/il0323.c
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@ -115,28 +115,6 @@ static int il0323_update_display(const struct device *dev) {
return 0;
}
static int il0323_blanking_off(const struct device *dev) {
struct il0323_data *driver = dev->data;
if (blanking_on) {
/* Update EPD pannel in normal mode */
il0323_busy_wait(driver);
if (il0323_update_display(dev)) {
return -EIO;
}
}
blanking_on = false;
return 0;
}
static int il0323_blanking_on(const struct device *dev) {
blanking_on = true;
return 0;
}
static int il0323_write(const struct device *dev, const uint16_t x, const uint16_t y,
const struct display_buffer_descriptor *desc, const void *buf) {
struct il0323_data *driver = dev->data;
@ -208,6 +186,58 @@ static int il0323_read(const struct device *dev, const uint16_t x, const uint16_
return -ENOTSUP;
}
static int il0323_clear_and_write_buffer(const struct device *dev, uint8_t pattern, bool update) {
struct display_buffer_descriptor desc = {
.buf_size = IL0323_NUMOF_PAGES,
.width = EPD_PANEL_WIDTH,
.height = 1,
.pitch = EPD_PANEL_WIDTH,
};
uint8_t *line;
line = k_malloc(IL0323_NUMOF_PAGES);
if (line == NULL) {
return -ENOMEM;
}
memset(line, pattern, IL0323_NUMOF_PAGES);
for (int i = 0; i < EPD_PANEL_HEIGHT; i++) {
il0323_write(dev, 0, i, &desc, line);
}
k_free(line);
if (update == true) {
if (il0323_update_display(dev)) {
return -EIO;
}
}
return 0;
}
static int il0323_blanking_off(const struct device *dev) {
struct il0323_data *driver = dev->data;
if (blanking_on) {
/* Update EPD pannel in normal mode */
il0323_busy_wait(driver);
if (il0323_clear_and_write_buffer(dev, 0xff, true)) {
return -EIO;
}
}
blanking_on = false;
return 0;
}
static int il0323_blanking_on(const struct device *dev) {
blanking_on = true;
return 0;
}
static void *il0323_get_framebuffer(const struct device *dev) {
LOG_ERR("not supported");
return NULL;
@ -247,36 +277,6 @@ static int il0323_set_pixel_format(const struct device *dev, const enum display_
return -ENOTSUP;
}
static int il0323_clear_and_write_buffer(const struct device *dev, uint8_t pattern, bool update) {
struct display_buffer_descriptor desc = {
.buf_size = IL0323_NUMOF_PAGES,
.width = EPD_PANEL_WIDTH,
.height = 1,
.pitch = EPD_PANEL_WIDTH,
};
uint8_t *line;
line = k_malloc(IL0323_NUMOF_PAGES);
if (line == NULL) {
return -ENOMEM;
}
memset(line, pattern, IL0323_NUMOF_PAGES);
for (int i = 0; i < EPD_PANEL_HEIGHT; i++) {
il0323_write(dev, 0, i, &desc, line);
}
k_free(line);
if (update == true) {
if (il0323_update_display(dev)) {
return -EIO;
}
}
return 0;
}
static int il0323_controller_init(const struct device *dev) {
struct il0323_data *driver = dev->data;
uint8_t tmp[IL0323_TRES_REG_LENGTH];
@ -350,10 +350,6 @@ static int il0323_controller_init(const struct device *dev) {
return -EIO;
}
if (il0323_clear_and_write_buffer(dev, 0xff, false)) {
return -1;
}
return 0;
}
@ -429,4 +425,4 @@ static struct display_driver_api il0323_driver_api = {
};
DEVICE_DT_INST_DEFINE(0, il0323_init, NULL, &il0323_driver, NULL, POST_KERNEL,
CONFIG_APPLICATION_INIT_PRIORITY, &il0323_driver_api);
CONFIG_APPLICATION_INIT_PRIORITY, &il0323_driver_api);