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//#include <stdlib.h> // EXIT_SUCCESS
//#include <stdio.h> // printf
#include <string.h> // memset
#undef ON_AVR
/**
* Preprocess:
* uscxml-transform -tc -i ./gadget-inline-avr.c -o ./gadget-inline-avr.c.scxml.c
*/
/** INLINE SCXML BEGIN
<scxml>
<parallel>
<onentry>
<raise event="blueHigh" />
</onentry>
<!--
1 X X X X
^ ^^^ ^^^
| | |
| | Action
| Color
Here comes the signal!
Colors:
blue 1,1
red 1,0
green 0,1
ESC! 0,0
Actions:
dimUp: 0,1
dimDown: 0,0
turnOn: 1,1
turnDown: 1,0
ESC!:
0,0 All off
1,1 All on
IR emitter is either Color + Action or Special
-->
<state id="interaction">
<transition event="blueHigh">
<!-- Receiver beware, here it comes -->
<raise event="IROn" />
<!-- color blue -->
<raise event="IROn" />
<raise event="IROn" />
<!-- action dimUp -->
<raise event="IROff" />
<raise event="IROn" />
<!-- make sure to turn LED off -->
<raise event="IROff" />
</transition>
</state>
<state id="periphery">
<transition event="IROn" target="IRLedOn" type="internal" />
<transition event="IROff" target="IRLedOff" type="internal" />
<!-- These are the lines we will connect to the IR emitter -->
<state id="IRLedOff">
<onentry>ledOff();</onentry>
</state>
<state id="IRLedOn">
<onentry>ledOn();</onentry>
</state>
</state>
</parallel>
</scxml>
INLINE SCXML END */
#define IQ_LENGTH 10
#define EQ_LENGTH 10
const char* iQ[IQ_LENGTH];
size_t iwPtr = 0;
size_t irPtr = 0;
const char* eQ[EQ_LENGTH];
size_t ewPtr = 0;
size_t erPtr = 0;
void ledOn() {
printf("Turned on LED!\n");
}
void ledOff() {
printf("Turned off LED!\n");
}
#include "test-c-inline.c.scxml.c"
void* dequeue_internal(const uscxml_ctx* ctx) {
if (iwPtr != irPtr) {
size_t tmp = irPtr;
irPtr = (irPtr + 1 >= IQ_LENGTH ? 0 : irPtr + 1);
return iQ[tmp];
}
return NULL;
}
void* dequeue_external(const uscxml_ctx* ctx) {
if (ewPtr != erPtr) {
size_t tmp = erPtr;
irPtr = (erPtr + 1 >= EQ_LENGTH ? 0 : erPtr + 1);
return eQ[tmp];
}
return NULL;
}
int is_matched(const uscxml_ctx* ctx, const uscxml_transition* transition, const void* event) {
char* tPtr1 = (char*)event;
char* tPtr2 = (char*)transition->event;
while(*tPtr1 && *tPtr2) {
if (tPtr1 != tPtr2)
return 0;
tPtr1++;
tPtr2++;
}
return 1;
}
int raise(const uscxml_ctx* ctx, const char* event) {
iQ[iwPtr] = event;
iwPtr = (iwPtr + 1 >= IQ_LENGTH ? 0 : iwPtr + 1);
return USCXML_ERR_OK;
}
int send(const uscxml_ctx* ctx, const char* event) {
eQ[ewPtr] = event;
ewPtr = (ewPtr + 1 >= IQ_LENGTH ? 0 : ewPtr + 1);
return USCXML_ERR_OK;
}
int main(int argc, char** argv) {
#ifdef ON_AVR
int ir_led = 9;
int blue_touch = 1;
int red_touch = 2;
int yellow_touch = 3;
pinMode(ir_led, OUTPUT);
pinMode(blue_touch, INPUT);
pinMode(red_touch, INPUT);
pinMode(yellow_touch, INPUT);
#endif
uscxml_ctx ctx;
int err = USCXML_ERR_OK;
memset(&ctx, 0, sizeof(uscxml_ctx));
ctx.machine = &USCXML_MACHINE;
ctx.exec_content_raise = raise;
ctx.dequeue_internal = dequeue_internal;
ctx.dequeue_external = dequeue_external;
ctx.is_matched = is_matched;
while(err != USCXML_ERR_DONE) {
err = uscxml_step(&ctx);
#ifdef ON_AVR
if (err == USCXML_IDLE) {
if (digitalRead(blue) == HIGH) {
send(ctx, "blueHigh");
}
if (digitalRead(blue) == HIGH) {
send(ctx, "redHigh");
}
if (digitalRead(blue) == HIGH) {
send(ctx, "greenHigh");
}
}
delay(20);
#endif
}
return 0;
}
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