Line | |
---|
1 | /*
|
---|
2 |
|
---|
3 | This sketch allows the users to manage the Tian and MCU power management.
|
---|
4 | Users can power up or power down MIPS and MCU with an external interrupt.
|
---|
5 |
|
---|
6 | */
|
---|
7 |
|
---|
8 | #include <EnergySaving.h>
|
---|
9 |
|
---|
10 | EnergySaving nrgSave;
|
---|
11 |
|
---|
12 | #define MIPS_PIN 32 //PA28 PIN 32
|
---|
13 |
|
---|
14 | void setup()
|
---|
15 | {
|
---|
16 | pinMode(MIPS_PIN,OUTPUT);
|
---|
17 | digitalWrite(MIPS_PIN,HIGH);
|
---|
18 |
|
---|
19 | nrgSave.begin(WAKE_EXT_INTERRUPT, 8, wakeUp); //standby setup for external interrupts
|
---|
20 | }
|
---|
21 |
|
---|
22 | void loop()
|
---|
23 | {
|
---|
24 | doSomething();
|
---|
25 | sleep();
|
---|
26 | }
|
---|
27 |
|
---|
28 | void doSomething(){
|
---|
29 | //blink for 90 seconds
|
---|
30 | for(int i=0; i<90; i++)
|
---|
31 | {
|
---|
32 | digitalWrite(13,HIGH);
|
---|
33 | delay(500);
|
---|
34 | digitalWrite(13,LOW);
|
---|
35 | delay(500);
|
---|
36 | }
|
---|
37 | }
|
---|
38 |
|
---|
39 | void sleep(void){
|
---|
40 | digitalWrite(MIPS_PIN, LOW);
|
---|
41 | nrgSave.standby(); //now mcu goes in standby mode
|
---|
42 | }
|
---|
43 |
|
---|
44 | void wakeUp(void) //interrupt routine (isn't necessary to execute any tasks in this routine
|
---|
45 | {
|
---|
46 | //mcu is waked-up by the interrupt
|
---|
47 |
|
---|
48 | //wake up mips
|
---|
49 | digitalWrite(MIPS_PIN,HIGH);
|
---|
50 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.