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Finish exti's implementation

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Steins7 2023-05-13 15:42:59 +02:00
parent 3906a79315
commit 245b9238e9
2 changed files with 10 additions and 7 deletions
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13
drivers/exti.c
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@ -11,6 +11,7 @@
#include "exti_regs.h" #include "exti_regs.h"
#include "nvic.h" #include "nvic.h"
#include "afio.h"
//--local definitions----------------------------------------------------------- //--local definitions-----------------------------------------------------------
@ -28,7 +29,7 @@ void exti_configure(enum ExtiLine line_mask, enum GpioPort port,
{ {
exti_reset(line_mask); exti_reset(line_mask);
#warning "configure ports mapping" afio_map_exti(line_mask, port);
//configure edge detections //configure edge detections
if (config_mask & EXTI_CONFIG_RISING_EDGE) { if (config_mask & EXTI_CONFIG_RISING_EDGE) {
@ -83,15 +84,17 @@ void exti_reset(enum ExtiLine line_mask)
//disable interrupts lines in nvic //disable interrupts lines in nvic
for (uint8_t i = 0; i < 5; ++i) { for (uint8_t i = 0; i < 5; ++i) {
if (line_mask & (0x1 << i)) { if (line_mask & (0x1 << i)) {
nvic_enable(NVIC_IRQ_EXTI0 + i); nvic_disable(NVIC_IRQ_EXTI0 + i);
} }
} }
if (line_mask & 0x3e0) { if (line_mask & 0x3e0) {
nvic_enable(NVIC_IRQ_EXTI9_5); nvic_disable(NVIC_IRQ_EXTI9_5);
} }
if (line_mask & 0x7c00) { if (line_mask & 0x7c00) {
nvic_enable(NVIC_IRQ_EXTI15_10); nvic_disable(NVIC_IRQ_EXTI15_10);
} }
afio_map_exti(0xFFFF, 0x0);
} }
void exti_configure_specific(enum ExtiLineSpecific line_mask, void exti_configure_specific(enum ExtiLineSpecific line_mask,
@ -180,7 +183,7 @@ void exti_reset_peripheral(void)
nvic_disable(NVIC_IRQ_RTC_ALARM); nvic_disable(NVIC_IRQ_RTC_ALARM);
nvic_disable(NVIC_IRQ_USB_WAKEUP); nvic_disable(NVIC_IRQ_USB_WAKEUP);
#warning "reset afio lines" afio_map_exti(0xFFFF, 0x0);
} }
//--local functions------------------------------------------------------------- //--local functions-------------------------------------------------------------

4
drivers/exti.h
View File

@ -54,8 +54,8 @@ enum ExtiLineSpecific {
* regular and specific lines and can be used together on a single line * regular and specific lines and can be used together on a single line
*/ */
enum ExtiConfig { enum ExtiConfig {
EXTI_CONFIG_RISING_EDGE, EXTI_CONFIG_RISING_EDGE = (0x1 << 0),
EXTI_CONFIG_FALLING_EDGE, EXTI_CONFIG_FALLING_EDGE = (0x1 << 1),
}; };
typedef void (*ExtiCallback)(void); typedef void (*ExtiCallback)(void);