Merge 67bd1bd46814d56b3774b36fed6a300c2027ad71 into e45941c45e2418b2bb7e3dab49468a8f4d132439

Makefile: add file with basic targets

Makefile

@@ -0,0 +1,35 @@
+#!/usr/bin/env make -f
+
+### global variables section
+
+# static vars
+BUILD_DIR:="build"
+BUILD_BIN:="$(BUILD_DIR)/tools/blisp/blisp"
+
+# dynamic vars
+FILES_CMAKE:=$(shell find  .  -path ./$(BUILD_DIR) -prune -false  -o  -type f  -name '*.cmake'  -o  -type f  -name 'CMakeLists.txt')
+FILES_SRC:=$(shell   find  .  -path ./$(BUILD_DIR) -prune -false  -o  -type f  -name '*.c'      -o  -type f  -name '*.h')
+
+### main targets section
+
+# simplify build
+build:  $(FILES_CMAKE)  $(FILES_SRC)  Makefile
+	@echo "\n>>>> Generating build files in: $(BUILD_DIR) ...\n"
+	@cmake  -S .  -B $(BUILD_DIR)  -DBLISP_BUILD_CLI=ON
+	@echo "\n>>>> Building...\n"
+	@cmake  --build  $(BUILD_DIR)
+	@echo "\n>>>> DONE: $(BUILD_BIN)\n"
+
+# deleting output build directory with its content
+clean:
+	-@rm -rf $(BUILD_DIR)/
+
+# printf-like debug target
+vars:
+	@echo "\n>>>> FILES_CMAKE:"
+	@echo "$(FILES_CMAKE)" | sed 's, ,\n,g'
+	@echo "\n>>>> FILES_SRC:"
+	@echo "$(FILES_SRC)" | sed 's, ,\n,g'
+
+.PHONY: clean  vars
+

lib/blisp.c

@@ -360,13 +360,13 @@ blisp_return_t blisp_device_flash_erase(struct blisp_device* device,
   *(uint32_t*)(payload + 4) = end_address;
 
   blisp_return_t ret = blisp_send_command(device, 0x30, payload, 8, true);
-  if (ret < 0)
+  if (ret != BLISP_OK)
     return ret;
   do {
     ret = blisp_receive_response(device, false);
   } while (ret == BLISP_ERR_PENDING);
 
-  return 0;
+  return ret;
 }
 
 blisp_return_t blisp_device_flash_write(struct blisp_device* device,
@@ -414,4 +414,4 @@ blisp_return_t blisp_device_reset(struct blisp_device* device) {
 void blisp_device_close(struct blisp_device* device) {
   struct sp_port* serial_port = device->serial_port;
   sp_close(serial_port);
-}
+}