From 9c2fa9db3702f891eb490b9152f5ce4b41e355b7 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Sat, 4 May 2019 00:07:56 +0200
Subject: [PATCH] fix(testapp): Use GPIO interrupt
---
testapp/main.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/testapp/main.c b/testapp/main.c
index 0c7b11a2d..e03aedd6f 100644
--- a/testapp/main.c
+++ b/testapp/main.c
@@ -54,6 +54,7 @@
#include "spi.h"
#include "MAX30003.h"
#include "oled96.h"
+#include "stdbool.h"
/***** Definitions *****/
@@ -233,6 +234,11 @@ void add_sample(int16_t sample)
}
}
+volatile bool ecgFIFOIntFlag = false;
+void ecgFIFO_callback(void *data) {
+ ecgFIFOIntFlag = true;
+}
+
// *****************************************************************************
int main(void)
{
@@ -300,22 +306,21 @@ int main(void)
const int FIFO_VALID_SAMPLE_MASK = 0x0;
const int FIFO_FAST_SAMPLE_MASK = 0x1;
const int ETAG_BITS_MASK = 0x7;
- uint8_t ecgFIFOIntFlag = 0;
const gpio_cfg_t interrupt_pin = {PORT_1, PIN_12, GPIO_FUNC_IN, GPIO_PAD_PULL_UP};
GPIO_Config(&interrupt_pin);
+ GPIO_RegisterCallback(&interrupt_pin, ecgFIFO_callback, NULL);
+ GPIO_IntConfig(&interrupt_pin, GPIO_INT_EDGE, GPIO_INT_FALLING);
+ GPIO_IntEnable(&interrupt_pin);
+ NVIC_EnableIRQ(MXC_GPIO_GET_IRQ(PORT_1));
+
while(1) {
#if 1
- if(GPIO_InGet(&interrupt_pin) == 0) {
- ecgFIFOIntFlag = 1;
- }
-
// Read back ECG samples from the FIFO
if( ecgFIFOIntFlag ) {
-
- ecgFIFOIntFlag = 0;
+ ecgFIFOIntFlag = false;
//printf("Int\n");
status = ecg_read_reg( STATUS ); // Read the STATUS register
--
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