diy: add support for Waveshare Touch LCD 3.5

configs/sdkconfig_display_waveshares3_touch_lcd35.defaults

@@ -0,0 +1,85 @@
+# display waveshares3 touch lcd35
+CONFIG_APP_REPRODUCIBLE_BUILD=y
+CONFIG_BF20A6_SUPPORT=n
+CONFIG_BF3005_SUPPORT=n
+CONFIG_BOARD_TYPE_WS_TOUCH_LCD35=y
+CONFIG_BOOTLOADER_APP_ROLLBACK_ENABLE=y
+CONFIG_BOOTLOADER_WDT_ENABLE=n
+CONFIG_BT_ENABLED=y
+CONFIG_BT_NIMBLE_ATT_PREFERRED_MTU=517
+CONFIG_BT_NIMBLE_ENABLED=y
+CONFIG_BT_NIMBLE_GAP_DEVICE_NAME_MAX_LEN=11
+CONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=5632
+CONFIG_BT_NIMBLE_LOG_LEVEL_NONE=y
+CONFIG_BT_NIMBLE_MAX_CONNECTIONS=1
+CONFIG_BT_NIMBLE_MEM_ALLOC_MODE_EXTERNAL=y
+CONFIG_BT_NIMBLE_NVS_PERSIST=y
+CONFIG_BT_NIMBLE_ROLE_BROADCASTER=n
+CONFIG_BT_NIMBLE_ROLE_CENTRAL=n
+CONFIG_BT_NIMBLE_ROLE_OBSERVER=n
+CONFIG_BT_NIMBLE_SM_LEGACY=n
+CONFIG_BT_NIMBLE_SVC_GAP_DEVICE_NAME="j"
+CONFIG_BUTTON_LONG_PRESS_HOLD_SERIAL_TIME_MS=100
+CONFIG_BUTTON_LONG_PRESS_TIME_MS=500
+CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_STACK_CHECK_MODE_STRONG=y
+CONFIG_COMPILER_WARN_WRITE_STRINGS=y
+CONFIG_DEBUG_MODE=y
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_ESP_CONSOLE_NONE=y
+CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
+CONFIG_ESP_ERR_TO_NAME_LOOKUP=n
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=12288
+CONFIG_ESP_SLEEP_FLASH_LEAKAGE_WORKAROUND=n
+CONFIG_ESP_SLEEP_GPIO_RESET_WORKAROUND=n
+CONFIG_ESP_SYSTEM_BBPLL_RECALIB=n
+CONFIG_ESP_SYSTEM_PANIC_PRINT_HALT=y
+CONFIG_ESP_TASK_WDT_EN=n
+CONFIG_ESP_WIFI_AMPDU_RX_ENABLED=n
+CONFIG_ESP_WIFI_AMPDU_TX_ENABLED=n
+CONFIG_ESP_WIFI_IRAM_OPT=n
+CONFIG_ESP_WIFI_MBEDTLS_TLS_CLIENT=n
+CONFIG_ESP_WIFI_NVS_ENABLED=n
+CONFIG_ESP_WIFI_RX_IRAM_OPT=n
+CONFIG_ESP_WIFI_SOFTAP_SUPPORT=n
+CONFIG_ETH_USE_SPI_ETHERNET=n
+CONFIG_FATFS_LFN_HEAP=y
+CONFIG_FATFS_VFS_FSTAT_BLKSIZE=4096
+CONFIG_FATFS_VOLUME_COUNT=1
+CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS=3
+CONFIG_GC032A_SUPPORT=n
+CONFIG_GC2145_SUPPORT=n
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_LIBC_NEWLIB_NANO_FORMAT=y
+CONFIG_MBEDTLS_CERTIFICATE_BUNDLE=n
+CONFIG_MBEDTLS_ECP_RESTARTABLE=y
+CONFIG_LIBC_STDIN_LINE_ENDING_LF=y
+CONFIG_LIBC_STDOUT_LINE_ENDING_LF=y
+CONFIG_NT99141_SUPPORT=n
+CONFIG_OV3660_SUPPORT=n
+CONFIG_OV7670_SUPPORT=n
+CONFIG_OV7725_SUPPORT=n
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitionss3.csv"
+CONFIG_PM_POWER_DOWN_CPU_IN_LIGHT_SLEEP=n
+CONFIG_SC030IOT_SUPPORT=n
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY=y
+CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
+CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=256
+CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL=65536
+CONFIG_SPIRAM_MEMTEST=n
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_RODATA=y
+CONFIG_SPIRAM_SPEED_80M=y
+CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
+CONFIG_SPI_FLASH_VERIFY_WRITE=y
+CONFIG_SPI_MASTER_ISR_IN_IRAM=n
+CONFIG_SPI_SLAVE_ISR_IN_IRAM=n
+CONFIG_TINYUSB_CDC_ENABLED=y
+CONFIG_TINYUSB_CDC_RX_BUFSIZE=64
+CONFIG_TINYUSB_DESC_MANUFACTURER_STRING="Waveshare"
+CONFIG_TINYUSB_DESC_PRODUCT_STRING="S3 Touch LCD 3.5"

diy/README.md

@@ -147,6 +147,24 @@ There are a number of hardware devices that can run Jade firmware with minimal c
   (BT enabled, see next section for disabling)
 * [Assembly Guide & Hardware Notes](./waveshare/)  
 
+### Waveshare S3 Touch LCD 3.5
+![](img/ws-touch-lcd35.jpg)
+* Costs ~$26 USD from manufacturer ($33 USD for the "-C" version with case and OV5640 camera)
+* 3.5 inch 320x480 IPS display (ST7796), touch screen interface (virtual buttons)
+* Wifi/Bluetooth
+* AXP2101 power management with battery charging and level indicator
+* Easy USB debugging and flashing
+* Typically supports Secure Boot V2
+* Hardware Required (No Soldering Required)
+  * [Waveshare S3 Touch LCD 3.5](https://www.waveshare.com/esp32-s3-touch-lcd-3.5.htm) (SKU 30733, or SKU 30934 for the -C version)
+  * OV5640/OV2640 Camera module (included in the -C version)
+  * 3.7V Lithium battery with MX1.25 connector (optional)
+* NOTE: only the plain `3.5` model is supported - the `3.5B` variant uses a
+  different (QSPI) display controller and does NOT work with this firmware
+* Build [config](../configs/sdkconfig_display_waveshares3_touch_lcd35.defaults)
+  (BT enabled, see next section for disabling)
+* [Assembly Guide & Hardware Notes](./waveshare/)  
+
 # Modifying Configuration Files for Use
 Once you are familiar with the process of flashing the firmware using the sdkconfig templates that are included in the /config folder of this repository, there are some additional changes that you should make to these files before using the device with actual funds.
 

diy/waveshare/README.md

@@ -6,6 +6,19 @@ The device uses touchscreen navigation and the BOOT button for sleep/wake.
 Bluetooth is enabled by default but can be turned off with the NORADIO config
 script.
 
+## S3 Touch LCD 3.5
+
+Same navigation model as the Touch LCD 2 (virtual touch buttons, BOOT button
+long-press for sleep/wake). The camera plugs into the onboard DVP FPC
+connector (the -C version ships with an OV5640 fitted). Battery charging and
+level reporting are handled by the onboard AXP2101 PMU; an optional 3.7V
+lithium battery can be attached to the MX1.25 header (check the connector
+polarity before plugging it in). A long press of the PWR button (4s) cuts
+power; when off on battery, the PWR button powers the device back on.
+
+NOTE: the `3.5B` variant is a different device (QSPI display controller) and
+is not supported.
+
 ## Flashing
 
 To prepare the board for flashing, hold down the `BOOT` button and plug in the

gitlab/diy_fw.yml

@@ -56,3 +56,6 @@ build_diy_diycam_tcameraplus:
 
 build_diy_display_waveshares3_touch_lcd2:
   extends: .build_diy_template
+
+build_diy_display_waveshares3_touch_lcd35:
+  extends: .build_diy_template