zener/lvgl_esp32_drivers
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Merge branch 'lvgl:master' into master

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Martin 2021-06-21 20:15:32 +02:00 • committed by GitHub
commit 4004726e33
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38 changed files with 567 additions and 86 deletions
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56
lvgl_tft/il3820.c
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@ -73,9 +73,9 @@ static uint8_t il3820_lut_initial[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static uint8_t il3820_lut_default[] = {
0x10, 0x18, 0x18, 0x08, 0x18, 0x18,
0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x10, 0x18, 0x18, 0x08, 0x18, 0x18,
0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x13, 0x14, 0x44, 0x12,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
@ -113,7 +113,7 @@ void il3820_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_m
uint8_t *buffer = (uint8_t*) color_map;
uint16_t x_addr_counter = 0;
uint16_t y_addr_counter = 0;
/* Configure entry mode */
il3820_write_cmd(IL3820_CMD_ENTRY_MODE, &il3820_scan_mode, 1);
@ -131,7 +131,7 @@ void il3820_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_m
il3820_set_cursor(x_addr_counter, y_addr_counter);
il3820_send_cmd(IL3820_CMD_WRITE_RAM);
/* Write the pixel data to graphic RAM, linelen bytes at the time. */
for(size_t row = 0; row <= (EPD_PANEL_HEIGHT - 1); row++){
il3820_send_data(buffer, linelen);
@ -139,7 +139,7 @@ void il3820_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_m
}
il3820_set_window(0, EPD_PANEL_WIDTH - 1, 0, EPD_PANEL_HEIGHT - 1);
il3820_update_display();
/* IMPORTANT!!!
@ -152,7 +152,7 @@ void il3820_flush(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_m
* BIT_SET(byte_index, bit_index) clears the bit_index pixel at byte_index of
* the display buffer.
* BIT_CLEAR(byte_index, bit_index) sets the bit_index pixel at the byte_index
* of the display buffer. */
* of the display buffer. */
void il3820_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t* buf,
lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
lv_color_t color, lv_opa_t opa)
@ -198,20 +198,26 @@ void il3820_init(void)
/* Initialize non-SPI GPIOs */
gpio_pad_select_gpio(IL3820_DC_PIN);
gpio_set_direction(IL3820_DC_PIN, GPIO_MODE_OUTPUT);
#if IL3820_USE_RST
gpio_pad_select_gpio(IL3820_RST_PIN);
gpio_set_direction(IL3820_RST_PIN, GPIO_MODE_OUTPUT);
#endif
gpio_pad_select_gpio(IL3820_BUSY_PIN);
gpio_set_direction(IL3820_BUSY_PIN, GPIO_MODE_INPUT);
#if IL3820_USE_RST
/* Harware reset */
gpio_set_level( IL3820_RST_PIN, 0);
vTaskDelay(IL3820_RESET_DELAY / portTICK_RATE_MS);
gpio_set_level( IL3820_RST_PIN, 1);
vTaskDelay(IL3820_RESET_DELAY / portTICK_RATE_MS);
#endif
/* Software reset */
il3820_write_cmd(IL3820_CMD_SW_RESET, NULL, 0);
/* Busy wait for the BUSY signal to go low */
il3820_waitbusy(IL3820_WAIT);
@ -239,10 +245,10 @@ void il3820_init(void)
// allow partial updates now
il3820_partial = true;
/* Update LUT */
il3820_write_cmd(IL3820_CMD_UPDATE_LUT, il3820_lut_default, sizeof(il3820_lut_default));
/* Clear control memory and update */
il3820_clear_cntlr_mem(IL3820_CMD_WRITE_RAM, true);
}
@ -251,10 +257,10 @@ void il3820_init(void)
void il3820_sleep_in(void)
{
uint8_t data[] = {0x01};
/* Wait for the BUSY signal to go low */
il3820_waitbusy(IL3820_WAIT);
il3820_write_cmd(IL3820_CMD_SLEEP_MODE, data, 1);
}
@ -264,15 +270,15 @@ static void il3820_waitbusy(int wait_ms)
int i = 0;
vTaskDelay(10 / portTICK_RATE_MS); // 10ms delay
for(i = 0; i < (wait_ms * 10); i++) {
if(gpio_get_level(IL3820_BUSY_PIN) != IL3820_BUSY_LEVEL) {
return;
}
vTaskDelay(10 / portTICK_RATE_MS);
}
ESP_LOGE( TAG, "busy exceeded %dms", i*10 );
}
@ -288,10 +294,10 @@ static inline void il3820_data_mode(void)
gpio_set_level(IL3820_DC_PIN, 1);
}
static inline void il3820_write_cmd(uint8_t cmd, uint8_t *data, size_t len)
static inline void il3820_write_cmd(uint8_t cmd, uint8_t *data, size_t len)
{
disp_wait_for_pending_transactions();
il3820_command_mode();
disp_spi_send_data(&cmd, 1);
@ -302,10 +308,10 @@ static inline void il3820_write_cmd(uint8_t cmd, uint8_t *data, size_t len)
}
/* Send cmd to the display */
static inline void il3820_send_cmd(uint8_t cmd)
static inline void il3820_send_cmd(uint8_t cmd)
{
disp_wait_for_pending_transactions();
il3820_command_mode();
disp_spi_send_data(&cmd, 1);
}
@ -314,14 +320,14 @@ static inline void il3820_send_cmd(uint8_t cmd)
static void il3820_send_data(uint8_t *data, uint16_t length)
{
disp_wait_for_pending_transactions();
il3820_data_mode();
disp_spi_send_colors(data, length);
}
/* Specify the start/end positions of the window address in the X and Y
* directions by an address unit.
*
*
* @param sx: X Start position.
* @param ex: X End position.
* @param ys: Y Start position.
@ -330,7 +336,7 @@ static void il3820_send_data(uint8_t *data, uint16_t length)
static inline void il3820_set_window( uint16_t sx, uint16_t ex, uint16_t ys, uint16_t ye)
{
uint8_t tmp[4] = {0};
tmp[0] = sx / 8;
tmp[1] = ex / 8;
@ -378,7 +384,7 @@ static void il3820_update_display(void)
} else {
tmp = (IL3820_CTRL2_ENABLE_CLK | IL3820_CTRL2_ENABLE_ANALOG | IL3820_CTRL2_TO_PATTERN);
}
il3820_write_cmd(IL3820_CMD_UPDATE_CTRL2, &tmp, 1);
il3820_write_cmd(IL3820_CMD_MASTER_ACTIVATION, NULL, 0);
@ -394,10 +400,10 @@ static void il3820_clear_cntlr_mem(uint8_t ram_cmd, bool update)
/* Arrays used by SPI must be word alligned */
WORD_ALIGNED_ATTR uint8_t clear_page[IL3820_COLUMNS];
memset(clear_page, 0xff, sizeof clear_page);
/* Configure entry mode */
il3820_write_cmd(IL3820_CMD_ENTRY_MODE, &il3820_scan_mode, 1);
/* Configure the window */
il3820_set_window(0, EPD_PANEL_WIDTH - 1, 0, EPD_PANEL_HEIGHT - 1);