feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

change(mipi): use public ldo driver for powering dphy

Browse Source
This commit is contained in:
morris
2024-03-25 18:27:17 +08:00
parent 7de228d0a3
commit 56b40a028d
2 changed files with 10 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
examples/peripherals/lcd/mipi_dsi/main/idf_component.yml
View File

@@ -1,3 +1,3 @@
dependencies: dependencies:
lvgl/lvgl: "~9.0.0" lvgl/lvgl: "^9.0.0"
esp_lcd_ili9881c: "*" esp_lcd_ili9881c: "*"

20
examples/peripherals/lcd/mipi_dsi/main/mipi_dsi_lcd_example_main.c
View File

@@ -9,11 +9,11 @@
#include "freertos/FreeRTOS.h" #include "freertos/FreeRTOS.h"
#include "freertos/task.h" #include "freertos/task.h"
#include "freertos/semphr.h" #include "freertos/semphr.h"
#include "esp_private/esp_ldo.h"
#include "esp_timer.h" #include "esp_timer.h"
#include "esp_lcd_panel_ops.h" #include "esp_lcd_panel_ops.h"
#include "esp_lcd_mipi_dsi.h" #include "esp_lcd_mipi_dsi.h"
#include "esp_lcd_ili9881c.h" #include "esp_lcd_ili9881c.h"
#include "esp_ldo_regulator.h"
#include "driver/gpio.h" #include "driver/gpio.h"
#include "esp_err.h" #include "esp_err.h"
#include "esp_log.h" #include "esp_log.h"
@@ -43,8 +43,8 @@ static const char *TAG = "example";
//////////////////// Please update the following configuration according to your Board Design ////////////////////////// //////////////////// Please update the following configuration according to your Board Design //////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// The "VDD_MIPI_DPHY" should be supplied with 2.5V, it can source from the integrated LDO unit or from external LDO chip // The "VDD_MIPI_DPHY" should be supplied with 2.5V, it can source from the internal LDO regulator or from external LDO chip
#define EXAMPLE_MIPI_DSI_PHY_PWR_LDO_UNIT 3 // LDO_VO3 is connected to VDD_MIPI_DPHY #define EXAMPLE_MIPI_DSI_PHY_PWR_LDO_CHAN 3 // LDO_VO3 is connected to VDD_MIPI_DPHY
#define EXAMPLE_MIPI_DSI_PHY_PWR_LDO_VOLTAGE_MV 2500 #define EXAMPLE_MIPI_DSI_PHY_PWR_LDO_VOLTAGE_MV 2500
#define EXAMPLE_LCD_BK_LIGHT_ON_LEVEL 1 #define EXAMPLE_LCD_BK_LIGHT_ON_LEVEL 1
#define EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL !EXAMPLE_LCD_BK_LIGHT_ON_LEVEL #define EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL !EXAMPLE_LCD_BK_LIGHT_ON_LEVEL
@@ -126,17 +126,13 @@ static bool example_notify_lvgl_flush_ready(esp_lcd_panel_handle_t panel, esp_lc
static void example_bsp_enable_dsi_phy_power(void) static void example_bsp_enable_dsi_phy_power(void)
{ {
// Turn on the power for MIPI DSI PHY, so it can go from "No Power" state to "Shutdown" state // Turn on the power for MIPI DSI PHY, so it can go from "No Power" state to "Shutdown" state
esp_ldo_unit_handle_t phy_pwr_unit = NULL; esp_ldo_channel_handle_t ldo_mipi_phy = NULL;
#if EXAMPLE_MIPI_DSI_PHY_PWR_LDO_UNIT > 0 #ifdef EXAMPLE_MIPI_DSI_PHY_PWR_LDO_CHAN
esp_ldo_unit_init_cfg_t ldo_cfg = { esp_ldo_channel_config_t ldo_mipi_phy_config = {
.unit_id = EXAMPLE_MIPI_DSI_PHY_PWR_LDO_UNIT, .chan_id = EXAMPLE_MIPI_DSI_PHY_PWR_LDO_CHAN,
.cfg = {
.voltage_mv = EXAMPLE_MIPI_DSI_PHY_PWR_LDO_VOLTAGE_MV, .voltage_mv = EXAMPLE_MIPI_DSI_PHY_PWR_LDO_VOLTAGE_MV,
},
}; };
ESP_ERROR_CHECK(esp_ldo_init_unit(&ldo_cfg, &phy_pwr_unit)); ESP_ERROR_CHECK(esp_ldo_acquire_channel(&ldo_mipi_phy_config, &ldo_mipi_phy));
ESP_ERROR_CHECK(esp_ldo_enable_unit(phy_pwr_unit));
ESP_LOGI(TAG, "MIPI DSI PHY Powered on"); ESP_LOGI(TAG, "MIPI DSI PHY Powered on");
#endif #endif
} }