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authorJosh Rahm <joshuarahm@gmail.com>2018-01-23 23:14:31 -0700
committerJosh Rahm <joshuarahm@gmail.com>2018-01-23 23:14:31 -0700
commit7aa10db46c13ad8adc88aadff39b8cf6b15db09d (patch)
treeb1e34a6703de33250b0bd97d34999b687a36a00f /system-clock/src/gpio.c
parentacd8afd83da625d36ef39bc01717f29f3b689952 (diff)
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rename folders to give notion of progression
Diffstat (limited to 'system-clock/src/gpio.c')
-rw-r--r--system-clock/src/gpio.c37
1 files changed, 0 insertions, 37 deletions
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));
-}