Add target ESP32-C2 (#149)

* Add c2 (#70)

* Adjust components and build strategy

* enable rev 2 chips (preview)

---------

Co-authored-by: me-no-dev <hristo@espressif.com>
Co-authored-by: Jan Prochazka <90197375+P-R-O-C-H-Y@users.noreply.github.com>

.github/workflows/push.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: [esp32, esp32s2, esp32s3, esp32c3, esp32c6, esp32h2]
+        target: [esp32, esp32s2, esp32s3, esp32c2, esp32c3, esp32c6, esp32h2]
       fail-fast: false
     steps:
     - uses: actions/checkout@v3

build.sh

@@ -158,12 +158,20 @@ echo $component_version >> version.txt && echo $component_version >> "$AR_TOOLS/
 #targets_count=`jq -c '.targets[] | length' configs/builds.json`
 for target_json in `jq -c '.targets[]' configs/builds.json`; do
     target=$(echo "$target_json" | jq -c '.target' | tr -d '"')
+    target_skip=$(echo "$target_json" | jq -c '.skip // 0')
 
     if [ "$TARGET" != "all" ] && [ "$TARGET" != "$target" ]; then
         echo "* Skipping Target: $target"
         continue
     fi
 
+    # Skip chips that should not be a part of the final libs
+    # WARNING!!! this logic needs to be updated when cron builds are split into jobs
+    if [ "$TARGET" = "all" ] && [ $target_skip -eq 1 ]; then
+        echo "* Skipping Target: $target"
+        continue
+    fi
+
     echo "* Target: $target"
 
     # Build Main Configs List

configs/builds.json

@@ -4,7 +4,7 @@
 			"file":"libspi_flash.a",
 			"src":"build/esp-idf/spi_flash/libspi_flash.a",
 			"out":"lib/libspi_flash.a",
-			"targets":["esp32","esp32c3","esp32s2","esp32s3","esp32c6","esp32h2"]
+			"targets":["esp32","esp32c2","esp32c3","esp32s2","esp32s3","esp32c6","esp32h2"]
 		},
 		{
 			"file":"libesp_psram.a",
@@ -44,6 +44,21 @@
 		}
 	],
 	"targets":[
+		{
+			"target": "esp32c2",
+			"skip": 1,
+			"features":[],
+			"idf_libs":["qio","60m"],
+			"bootloaders":[
+				["qio","60m"],
+				["dio","60m"],
+				["qio","30m"],
+				["dio","30m"]
+			],
+			"mem_variants":[
+				["dio","60m"]
+			]
+		},
 		{
 			"target": "esp32h2",
 			"features":[],
@@ -133,4 +148,4 @@
 			]
 		}
 	]
-}
+}

configs/defconfig.30m

@@ -0,0 +1 @@
+CONFIG_ESPTOOLPY_FLASHFREQ_30M=y

configs/defconfig.60m

@@ -0,0 +1 @@
+CONFIG_ESPTOOLPY_FLASHFREQ_60M=y

configs/defconfig.esp32c2

@@ -0,0 +1,7 @@
+CONFIG_XTAL_FREQ_26=y
+CONFIG_XTAL_FREQ=26
+CONFIG_BT_BLE_BLUFI_ENABLE=y
+CONFIG_RTC_CLK_CAL_CYCLES=576
+# CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0 is not set
+CONFIG_FREERTOS_IDLE_TASK_STACKSIZE=2304
+CONFIG_ESP32C2_REV2_DEVELOPMENT=y

main/Kconfig.projbuild

@@ -11,8 +11,10 @@ config LIB_BUILDER_FLASHFREQ
     default "120m" if ESPTOOLPY_FLASHFREQ_120M
     default "80m" if ESPTOOLPY_FLASHFREQ_80M
     default "64m" if ESPTOOLPY_FLASHFREQ_64M
+    default "60m" if ESPTOOLPY_FLASHFREQ_60M
     default "40m" if ESPTOOLPY_FLASHFREQ_40M
     default "32m" if ESPTOOLPY_FLASHFREQ_32M
+    default "30m" if ESPTOOLPY_FLASHFREQ_30M
     default "26m" if ESPTOOLPY_FLASHFREQ_26M
     default "20m" if ESPTOOLPY_FLASHFREQ_20M
     default "16m" if ESPTOOLPY_FLASHFREQ_16M

main/idf_component.yml

@@ -5,9 +5,13 @@ dependencies:
     version: "master"
     git: /~https://github.com/espressif/esp32-camera.git
     require: public
+    rules:
+      - if: "target in [esp32, esp32s2, esp32s3]"
   espressif/esp-tflite-micro:
     version: ">=1.2.0"
     require: public
+    rules:
+      - if: "target not in [esp32c2]"
   espressif/esp-dl:
     version: "master"
     git: /~https://github.com/espressif/esp-dl.git