Support ESP32-C3

The partitions.esp32-c3.bin file has been generated using the
gen_esp32part.py script from the Espressif IoT Development Framework:

python gen_esp32part.py partitions.esp32-c3.csv partitions.esp32-c3.bin

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

esphomeflasher/common.py

@@ -200,11 +200,18 @@ def configure_write_flash_args(
     firmware = open_downloadable_binary(firmware_path)
     flash_mode, flash_freq = read_firmware_info(firmware)
     if isinstance(info, ESP32ChipInfo):
-        model = "esp32"
-        ofs_bootloader = 0x1000
         ofs_partitions = 0x8000
-        ofs_otadata = 0xe000
-        ofs_firmware = 0x10000
+
+        if "ESP32-C3" in info.model:
+            model = "esp32c3"
+            ofs_bootloader = 0x0
+            ofs_otadata = 0x16000
+            ofs_firmware = 0x20000
+        else:
+            model = "esp32"
+            ofs_bootloader = 0x1000
+            ofs_otadata = 0xe000
+            ofs_firmware = 0x10000
 
         if flash_freq in ("26m", "20m"):
             raise EsphomeflasherError(

partitions.esp32c3.csv

@@ -0,0 +1,12 @@
+# ESP-IDF Partition Table
+# Name, Type, SubType, Offset, Size, Flags
+sec_cert,63,0,0xd000,12K,
+nvs,data,nvs,0x10000,24K,
+otadata,data,ota,0x16000,8K,
+phy_init,data,phy,0x18000,4K,
+app0,app,ota_0,0x20000,1600K,
+app1,app,ota_1,0x1b0000,1600K,
+fctry,data,nvs,0x340000,24K,
+coredump,data,coredump,0x350000,64K,
+eeprom,data,153,0x360000,4K,
+spiffs,data,spiffs,0x361000,60K,