jpmschweitzerandClaude Opus 4.8
67de636ab4
The blue flicker during voice activity is a MIPI-DSI framebuffer-read
underrun on the PSRAM bus, not tearing. The DSI DMA reads the 800x800
framebuffer continuously (~138 MB/s at the stock 80 MHz clock); under
load the Wi-Fi (esp-hosted SDIO) and audio-playback DMA on the same
PSRAM bus starve the DSI FIFO, which the hardware then paints blue
("lcd.dsi.dpi: can't fetch data from external memory fast enough").
Drop the DPI pixel clock to 40 MHz (~54 fps): halves the continuous
read and gives the FIFO slack to ride out bursty SDIO latency spikes.
Still smooth for the face UI, and lowers display power.
Vendored as a local component because managed_components/ is gitignored
(same pattern as the esp_hosted fork) — a local component overrides the
same-named waveshare/ managed dependency, so the fix survives a clean
build.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LKPbR6DY2JygHbyLjxm7Uu
124 lines
3.7 KiB
Plaintext
124 lines
3.7 KiB
Plaintext
menu "Board Support Package(ESP32-P4)"
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config BSP_ERROR_CHECK
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bool "Enable error check in BSP"
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default y
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help
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Error check assert the application before returning the error code.
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menu "I2C"
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config BSP_I2C_NUM
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int "I2C peripheral index"
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default 1
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range 0 1
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help
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ESP32P4 has two I2C peripherals, pick the one you want to use.
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config BSP_I2C_FAST_MODE
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bool "Enable I2C fast mode"
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default y
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help
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I2C has two speed modes: normal (100kHz) and fast (400kHz).
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config BSP_I2C_CLK_SPEED_HZ
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int
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default 400000 if BSP_I2C_FAST_MODE
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default 100000
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endmenu
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menu "I2S"
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config BSP_I2S_NUM
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int "I2S peripheral index"
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default 1
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range 0 2
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help
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ESP32P4 has three I2S peripherals, pick the one you want to use.
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endmenu
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menu "uSD card - Virtual File System"
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config BSP_SD_FORMAT_ON_MOUNT_FAIL
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bool "Format uSD card if mounting fails"
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default n
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help
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The SDMMC host will format (FAT) the uSD card if it fails to mount the filesystem.
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config BSP_SD_MOUNT_POINT
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string "uSD card mount point"
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default "/sdcard"
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help
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Mount point of the uSD card in the Virtual File System
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endmenu
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menu "SPIFFS - Virtual File System"
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config BSP_SPIFFS_FORMAT_ON_MOUNT_FAIL
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bool "Format SPIFFS if mounting fails"
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default n
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help
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Format SPIFFS if it fails to mount the filesystem.
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config BSP_SPIFFS_MOUNT_POINT
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string "SPIFFS mount point"
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default "/spiffs"
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help
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Mount point of SPIFFS in the Virtual File System.
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config BSP_SPIFFS_PARTITION_LABEL
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string "Partition label of SPIFFS"
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default "storage"
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help
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Partition label which stores SPIFFS.
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config BSP_SPIFFS_MAX_FILES
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int "Max files supported for SPIFFS VFS"
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default 5
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help
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Supported max files for SPIFFS in the Virtual File System.
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endmenu
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menu "Display"
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config BSP_LCD_DPI_BUFFER_NUMS
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int "Set number of frame buffers"
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default 3
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range 1 3
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help
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Let DPI LCD driver create a specified number of frame-size buffers. Only when it is set to multiple can the avoiding tearing be turned on.
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config BSP_DISPLAY_BRIGHTNESS_LEDC_CH
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int "LEDC channel index"
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default 1
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range 0 7
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help
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LEDC channel is used to generate PWM signal that controls display brightness.
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Set LEDC index that should be used.
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choice BSP_LCD_COLOR_FORMAT
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prompt "Select LCD color format"
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default BSP_LCD_COLOR_FORMAT_RGB565
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help
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Select the LCD color format RGB565/RGB888.
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config BSP_LCD_COLOR_FORMAT_RGB565
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bool "RGB565"
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config BSP_LCD_COLOR_FORMAT_RGB888
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bool "RGB888"
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endchoice
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choice BSP_LCD_TYPE
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prompt "Select LCD type"
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default BSP_LCD_TYPE_800_800_3_4_INCH
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help
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Select the LCD.
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config BSP_LCD_TYPE_800_800_3_4_INCH
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bool "Waveshare board with 800*800 3.4-inch Display"
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config BSP_LCD_TYPE_720_720_4_INCH
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bool "Waveshare board with 720*720 4-inch Display"
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endchoice
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endmenu
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endmenu
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