Remove apostrophes and fix a typo (#196)

This commit is contained in:
Andrew Scheller
2022-05-16 20:05:24 +01:00
committed by GitHub
parent cba82df30b
commit 21622fc913
2 changed files with 7 additions and 7 deletions

View File

@@ -17,8 +17,8 @@
E C
--D--
By default we are allocating GPIO 2 to A, 3 to B etc.
So, connect GOIP 2 to pin A on the 7 segment LED display etc. Don't forget
By default we are allocating GPIO 2 to segment A, 3 to B etc.
So, connect GPIO 2 to pin A on the 7 segment LED display etc. Don't forget
the appropriate resistors, best to use one for each segment!
Connect button so that pressing the switch connects the GPIO 9 (default) to
@@ -28,7 +28,7 @@
#define FIRST_GPIO 2
#define BUTTON_GPIO (FIRST_GPIO+7)
// This array converts a number 0-9 to a bit pattern to send to the GPIO's
// This array converts a number 0-9 to a bit pattern to send to the GPIOs
int bits[10] = {
0x3f, // 0
0x06, // 1
@@ -83,7 +83,7 @@ int main() {
// We are starting with GPIO 2, our bitmap starts at bit 0 so shift to start at 2.
int32_t mask = bits[val] << FIRST_GPIO;
// Set all our GPIO's in one go!
// Set all our GPIOs in one go!
// If something else is using GPIO, we might want to use gpio_put_masked()
gpio_set_mask(mask);
sleep_ms(250);