Start work on temperature profile checker

temp-profile-checker/parser/Makefile

@@ -0,0 +1,43 @@
+LEXER := flex
+YACC := bison
+CC := gcc
+
+YACC_FLAGS := -yd
+LEXER_FLAGS := 
+
+LANG_NAME := lang
+
+
+ifneq ($(VERBOSE),true)
+QUIET=@
+else
+QUIET=
+endif
+
+default: test
+
+y.tab.c: $(LANG_NAME).yacc
+	$(QUIET)echo "[$(YACC)] $@"
+	$(QUIET)$(YACC) $(YACC_FLAGS) $<
+	
+lex.yy.c: $(LANG_NAME).lex
+	$(QUIET)echo "[$(LEXER)] $@"
+	$(QUIET)$(LEXER) $^
+
+test: y.tab.c lex.yy.c
+	$(QUIET)echo "[CC] $@"
+	$(QUIET)$(CC) -o $@ $^
+	
+	
+
+.PHONY: clean run
+
+run: test
+	./test
+
+clean:
+	$(QUIET)echo "Clean up..."
+	$(QUIET)rm -f *.c *.o y.tab.h test
+
+
+

temp-profile-checker/parser/lang.lex

@@ -0,0 +1,45 @@
+%{
+#include <stdio.h>
+#include "y.tab.h"
+%}
+
+/*
+static const struct pl_command_list_map cmd_list_map[_PL_NUM_CMDS] = {
+	{PL_PID_CONF, "pid_conf", 6u},
+	{PL_SET_TEMP, "temp_set", 1u},
+	{PL_WAIT_FOR_TEMP, "wait_temp", 1u},
+	{PL_WAIT_FOR_TIME, "wait_time", 1u},
+	{PL_SET_RAMP, "temp_ramp", 2u},
+	{PL_LOUDSPEAKER_SET, "beep", 1u},
+	{PL_OFF, "temp_off", 0u},
+	{PL_CLEAR_FLAGS, "clear_flags", 0u},
+	{PL_DIGIO_CONF, "digio_conf", 2u},
+	{PL_DIGIO_SET, "digio_set", 2u},
+	{PL_DIGIO_WAIT, "digio_wait", 2u},
+};
+*/
+
+%option yylineno
+
+%%
+
+#[^\n]* return COMMENT;
+pid_conf return PL_PID_CONF;
+temp_set return PL_SET_TEMP;
+wait_temp return PL_WAIT_FOR_TEMP;
+wait_time return PL_WAIT_FOR_TIME;
+temp_ramp return PL_SET_RAMP;
+beep return PL_LOUDSPEAKER_SET;
+temp_off return PL_OFF;
+clear_flags return PL_CLEAR_FLAGS;
+digio_conf return PL_DIGIO_CONF;
+digio_set return PL_DIGIO_SET;
+digio_wait return PL_DIGIO_WAIT;
+[+-]?[0-9]+ yylval.int_value=atoi(yytext); return INT_NUMBER;
+[+-]?[0-9]+[.]?[0-9]* yylval.float_value=atof(yytext); return NUMBER;
+[ \t]+ /* Ignore whitespaces */;
+[\r]?\n return NEWLINE;
+
+[^\t\n #]+ return LITERAL;
+
+%%

temp-profile-checker/parser/lang.yacc

@@ -0,0 +1,137 @@
+%{
+#include <stdio.h>
+#include <string.h>
+
+extern int yylineno;
+extern int yylex();
+extern int yyparse();
+
+void yyerror(const char *str)
+{
+	fprintf(stderr, "Error: %s, line %d\n", str, yylineno);
+}
+
+int yywrap()
+{
+        return 1;
+} 
+  
+int main()
+{
+        yyparse();
+        return 0;
+} 
+
+%}
+
+%locations
+
+%token COMMENT PL_PID_CONF PL_SET_TEMP PL_WAIT_FOR_TEMP PL_WAIT_FOR_TIME PL_SET_RAMP PL_LOUDSPEAKER_SET PL_OFF PL_CLEAR_FLAGS PL_DIGIO_CONF PL_DIGIO_SET PL_DIGIO_WAIT NEWLINE LITERAL
+%token <float_value> NUMBER
+%token <int_value> INT_NUMBER
+
+%type <float_value> any_num
+
+%union
+{
+    int int_value;
+    float float_value;
+}
+
+%%
+
+program: /* empty */
+	| program command
+	| program NEWLINE
+	| program cmt_line
+	;
+
+command:
+	command_core NEWLINE
+	|
+	command_core cmt_line
+	;
+	
+command_core:
+	pid_conf | temp_set | wait_time | wait_temp | temp_ramp | beep | temp_off | clear_flags | digio_conf | digio_set | digio_wait;
+	
+pid_conf: PL_PID_CONF any_num any_num any_num any_num any_num any_num
+	{
+		printf("PID Config\n");
+	} 
+	;
+
+temp_set: PL_SET_TEMP any_num
+	{
+		printf("Target temp set: %f\n", $2);
+	}
+	;
+	
+wait_time: PL_WAIT_FOR_TIME any_num
+	{
+		printf("Wait for %f seconds\n", $2);
+	}
+	;
+
+wait_temp: PL_WAIT_FOR_TEMP any_num
+	{
+		printf("Wait for temperature %f\n", $2);
+	}
+	;
+	
+temp_ramp: PL_SET_RAMP any_num any_num
+	{
+		printf("Temperature ramp. Target %f, duration: %f\n", $2, $3);
+	}
+	;
+	
+cmt_line: COMMENT NEWLINE
+	{
+		printf("Comment line detected\n");
+	};
+	
+beep: PL_LOUDSPEAKER_SET INT_NUMBER
+	{
+		printf("Beep: %d\n", $2);
+	}
+	|
+	PL_LOUDSPEAKER_SET NUMBER
+	{
+		printf("Warning: Float value casted to int!\n");
+		printf("Beep %u\n", (unsigned int)$2);
+	};
+
+temp_off: PL_OFF
+	{
+		printf("Turn off oven\n");
+	}
+	;
+	
+clear_flags: PL_CLEAR_FLAGS
+	{
+		printf("Clear flags\n");
+	}
+	;
+
+digio_conf: PL_DIGIO_CONF INT_NUMBER INT_NUMBER
+	{
+		printf("Configure digio pin\n");
+	};
+	
+digio_set: PL_DIGIO_SET INT_NUMBER INT_NUMBER
+	{
+		printf("Configure digio pin\n");
+	};
+	
+digio_wait: PL_DIGIO_WAIT INT_NUMBER INT_NUMBER
+	{
+		printf("Configure digio pin\n");
+	};
+
+/* Matches any number format that can be interpreted as float */	
+any_num : NUMBER | INT_NUMBER
+	{
+		$$ = (float)$1;
+	};
+%%
+