alex/stm32-falling-sand
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove BIT macro

Browse Source
This commit is contained in:
Alexander Heldt
2025-01-01 11:58:40 +01:00
parent 9e4aaeabd5
commit f7454eb073
2 changed files with 1 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/gpio.h
View File

@@ -21,7 +21,6 @@ struct gpio {
#define GPIO_PORT_OFFSET (0x400U) #define GPIO_PORT_OFFSET (0x400U)
#define GPIO(port) ((struct gpio*)(uintptr_t)(GPIO_BASE_ADDR + (GPIO_PORT_OFFSET * port))) #define GPIO(port) ((struct gpio*)(uintptr_t)(GPIO_BASE_ADDR + (GPIO_PORT_OFFSET * port)))
#define BIT(x) (1 << x)
// Create a 16bit number from a port and pin // Create a 16bit number from a port and pin
#define PIN(port, num) ((((port) - 'A') << 8) | num) #define PIN(port, num) ((((port) - 'A') << 8) | num)
// get the lower byte from a PIN // get the lower byte from a PIN

2
src/main.c
View File

@@ -79,7 +79,7 @@ int main(void) {
(void) tim4_start(); (void) tim4_start();
uint16_t led = PIN('C', 13); // Blue LED uint16_t led = PIN('C', 13); // Blue LED
RCC->AHB1ENR |= BIT(PINPORT(led)); // Enable GPIO clock for LED RCC->AHB1ENR |= (1 << PINPORT(led)); // Enable GPIO clock for LED
gpio_set_mode(led, GPIO_MODE_OUTPUT); // Set blue LED to output mode gpio_set_mode(led, GPIO_MODE_OUTPUT); // Set blue LED to output mode
uint16_t counter = TIM4->CNT; uint16_t counter = TIM4->CNT;