From 1be0e7fc288acf277854145c960925156a1aa3cb Mon Sep 17 00:00:00 2001
From: Ha Thach <hahoangthach@gmail.com>
Date: Mon, 22 Feb 2021 22:08:12 +0700
Subject: [PATCH] change blink to use PICO_DEFAULT_LED_PIN to support other
 boards (#57)

* change blink to use PICO_DEFAULT_LED_PIN to support other boards

* also update pio/pwm and picoboard/blinky system/hello_double_tap
---
 blink/blink.c             | 2 +-
 picoboard/blinky/blinky.c | 2 +-
 pio/pwm/pwm.c             | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/blink/blink.c b/blink/blink.c
index c6367f2..f413d50 100644
--- a/blink/blink.c
+++ b/blink/blink.c
@@ -7,7 +7,7 @@
 #include "pico/stdlib.h"
 
 int main() {
-    const uint LED_PIN = 25;
+    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
     gpio_init(LED_PIN);
     gpio_set_dir(LED_PIN, GPIO_OUT);
     while (true) {
diff --git a/picoboard/blinky/blinky.c b/picoboard/blinky/blinky.c
index f9cafcd..eb2c545 100644
--- a/picoboard/blinky/blinky.c
+++ b/picoboard/blinky/blinky.c
@@ -8,7 +8,7 @@
 #include "pico/stdlib.h"
 #include "hardware/gpio.h"
 
-const uint LED_PIN = 25;
+const uint LED_PIN = PICO_DEFAULT_LED_PIN;
 const uint DOT_PERIOD_MS = 100;
 
 const char *morse_letters[] = {
diff --git a/pio/pwm/pwm.c b/pio/pwm/pwm.c
index 0eef2e0..f1cc46d 100644
--- a/pio/pwm/pwm.c
+++ b/pio/pwm/pwm.c
@@ -33,7 +33,7 @@ int main() {
     uint offset = pio_add_program(pio, &pwm_program);
     printf("Loaded program at %d\n", offset);
 
-    pwm_program_init(pio, sm, offset, 25);
+    pwm_program_init(pio, sm, offset, PICO_DEFAULT_LED_PIN);
     pio_pwm_set_period(pio, sm, (1u << 16) - 1);
 
     int level = 0;