jordan/rpi4-osdev
1
0
Fork 0
mirror of https://github.com/isometimes/rpi4-osdev synced 2024-11-22 02:00:40 +00:00
Code Issues Projects Releases Packages Wiki Activity

Removed some extraneous code in the io.c example in part 3

Browse source
This commit is contained in:
Adam Greenwood-Byrne 2020-07-12 14:32:55 +01:00
parent ff4a2907b7
commit 4bdc708563
2 changed files with 2 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
part3/README.md
View file

@ -148,13 +148,9 @@ unsigned int gpio_clear (unsigned int pin_number, unsigned int value) { return
unsigned int gpio_pull (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); } unsigned int gpio_pull (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); }
unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); } unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); }
void gpio_setPinFunction(unsigned int pin_number, unsigned int function) {
gpio_function(pin_number, function);
}
void gpio_useAsAlt5(unsigned int pin_number) { void gpio_useAsAlt5(unsigned int pin_number) {
gpio_pull(pin_number, Pull_None); gpio_pull(pin_number, Pull_None);
gpio_setPinFunction(pin_number, GPIO_FUNCTION_ALT5); gpio_function(pin_number, GPIO_FUNCTION_ALT5);
} }
// UART // UART

6
part3/io.c
View file

@ -43,13 +43,9 @@ unsigned int gpio_clear (unsigned int pin_number, unsigned int value) { return
unsigned int gpio_pull (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); } unsigned int gpio_pull (unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPPUPPDN0, 2, GPIO_MAX_PIN); }
unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); } unsigned int gpio_function(unsigned int pin_number, unsigned int value) { return gpio_call(pin_number, value, GPFSEL0, 3, GPIO_MAX_PIN); }
void gpio_setPinFunction(unsigned int pin_number, unsigned int function) {
gpio_function(pin_number, function);
}
void gpio_useAsAlt5(unsigned int pin_number) { void gpio_useAsAlt5(unsigned int pin_number) {
gpio_pull(pin_number, Pull_None); gpio_pull(pin_number, Pull_None);
gpio_setPinFunction(pin_number, GPIO_FUNCTION_ALT5); gpio_function(pin_number, GPIO_FUNCTION_ALT5);
} }
// UART // UART