Create platformio.ini

variants/m5stack_coreink/platformio.ini

@@ -0,0 +1,14 @@
+[env:m5stack-coreink]
+extends = esp32_base
+board = m5stack-coreink
+build_flags = 
+  ${esp32_base.build_flags} -D PRIVATE_HW -I variants/m5stack_coreink
+  ;-D RADIOLIB_VERBOSE
+  -Ofast
+  -D__MCUXPRESSO
+lib_deps = 
+  ${esp32_base.lib_deps}
+  zinggjm/GxEPD2@^1.4.5
+board_build.f_cpu = 240000000L
+upload_protocol = esptool
+upload_port = /dev/ttyACM*