From 200c4df9ec9d3cd86bdff2ee63b5851ef8a8ff33 Mon Sep 17 00:00:00 2001
From: Jannis Konrad <kabel42@gmail.com>
Date: Sat, 20 May 2023 16:18:07 +0200
Subject: [PATCH] more testing, more comments
---
examples/struct_gpio/struct_gpio.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/examples/struct_gpio/struct_gpio.c b/examples/struct_gpio/struct_gpio.c
index 978dac2..3c5643d 100644
--- a/examples/struct_gpio/struct_gpio.c
+++ b/examples/struct_gpio/struct_gpio.c
@@ -51,8 +51,8 @@ int main()
GPIOD->BSHR_bits = (struct BSHR_t) {
.BS0 = 1,
.BR4 = 1,
- };
- GPIOC->BSHR_bits.BS0 = 1;
+ }; // one store
+ GPIOC->BSHR_bits.BS0 = 1; // implicit read->modify->write
Delay_Ms( 100 );
// Turn D0 off and D4 on at the same time
@@ -60,7 +60,7 @@ int main()
.BR0 = 1,
.BS4 = 1,
};
- // or clear in BCR
+ // clear C0 in BCR
GPIOC->BCR_bits.BR0 = 1;
Delay_Ms( 100 );
}
--
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