From 7aa10db46c13ad8adc88aadff39b8cf6b15db09d Mon Sep 17 00:00:00 2001 From: Josh Rahm Date: Tue, 23 Jan 2018 23:14:31 -0700 Subject: rename folders to give notion of progression --- system-clock/src/gpio.c | 37 ------------------------------------- 1 file changed, 37 deletions(-) delete mode 100644 system-clock/src/gpio.c (limited to 'system-clock/src/gpio.c') diff --git a/system-clock/src/gpio.c b/system-clock/src/gpio.c deleted file mode 100644 index 2404398..0000000 --- a/system-clock/src/gpio.c +++ /dev/null @@ -1,37 +0,0 @@ -#include "gpio.h" -#include "rcc.h" - -/* - * Sets the mode of a pin on a gpio por. - */ -void set_gpio_pin_mode( - __IO gpio_port_t* gpio_port, gpio_pin_t pin, gpio_pin_mode_t mode) -{ - /* Each pin has a 2-bit mode provided at bits pin#*2 and pin#*2+1 */ - gpio_port->mode_r &= ~(0x03 << pin * 2); - gpio_port->mode_r |= mode << pin * 2; -} - -gpio_output_pin_t set_gpio_pin_output( - __IO gpio_port_t* gpio_port, gpio_pin_t pin) -{ - set_gpio_pin_mode(gpio_port, pin, MODE_OUTPUT); - - return (gpio_output_pin_t){.gpio_port = gpio_port, .pin = pin}; -} - -void set_gpio_output_pin(gpio_output_pin_t pin, bool onoff) -{ - if (onoff) { - pin.gpio_port->output_r |= 1 << pin.pin; - } else { - pin.gpio_port->output_r &= ~(1 << pin.pin); - } -} - -#define GPIO_PORTS_BASE_ADDR ((uint32_t)0x48000000) -__IO gpio_port_t* enable_gpio(gpio_port_number_t gpio_port_number) -{ - RCC.ahb2en_r |= 1 << gpio_port_number; /* Enable the GPIO port. */ - return (__IO gpio_port_t*)(GPIO_PORTS_BASE_ADDR + (gpio_port_number * 0x400)); -} -- cgit