From 616c272801c7e6fcd227a1f3bedf9c3396ac262e Mon Sep 17 00:00:00 2001
From: Joakim Gebart <joakim.gebart@eistec.se>
Date: Sat, 16 May 2015 09:57:04 +0200
Subject: [PATCH] tests/periph_pwm: Handle pwm_init return value as actual
frequency
---
tests/periph_pwm/main.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/tests/periph_pwm/main.c b/tests/periph_pwm/main.c
index 7e66c76922..7cbc228e2b 100644
--- a/tests/periph_pwm/main.c
+++ b/tests/periph_pwm/main.c
@@ -48,16 +48,15 @@ int main(void)
int step = STEP;
puts("\nRIOT PWM test");
- puts("Connect an LED or scope to PWM pins to see something\n");
+ puts("Connect an LED or scope to PWM pins to see something");
res = pwm_init(DEV, MODE, FREQU, STEPS);
- if (res == 0) {
- puts("PWM successfully initialized.\n");
- }
- else {
+ if (res < 0) {
puts("Errors while initializing PWM");
return -1;
}
+ puts("PWM initialized.");
+ printf("requested: %d Hz, got %d Hz\n", FREQU, res);
while (1) {
for (int i = 0; i < CHANNELS; i++) {
--
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