mirror of
https://github.com/EFeru/hoverboard-sideboard-hack-GD.git
synced 2025-08-18 09:36:11 +00:00
Initial commit
This commit is contained in:
EmanuelFeru
247
Drivers/GD32F1x0_standard_peripheral/Source/gd32f1x0_exti.c
Normal file
247
Drivers/GD32F1x0_standard_peripheral/Source/gd32f1x0_exti.c
Normal file
@@ -0,0 +1,247 @@
|
||||
/*!
|
||||
\file gd32f1x0_exti.c
|
||||
\brief EXTI driver
|
||||
*/
|
||||
|
||||
/*
|
||||
Copyright (C) 2017 GigaDevice
|
||||
|
||||
2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
|
||||
2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
|
||||
2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
|
||||
2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
|
||||
*/
|
||||
|
||||
#include "gd32f1x0_exti.h"
|
||||
|
||||
#define EXTI_INTEN_RESET_VAL 0x0F900000U
|
||||
#define EXTI_EVEN_RESET_VAL 0x00000000U
|
||||
#define EXTI_RTEN_RESET_VAL 0x00000000U
|
||||
#define EXTI_FTEN_RESET_VAL 0x00000000U
|
||||
#define EXTI_SWIEV_RESET_VAL 0x00000000U
|
||||
|
||||
/*!
|
||||
\brief deinitialize the EXTI
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_deinit(void)
|
||||
{
|
||||
/* reset the value of the EXTI registers */
|
||||
EXTI_INTEN = EXTI_INTEN_RESET_VAL;
|
||||
EXTI_EVEN = EXTI_EVEN_RESET_VAL;
|
||||
EXTI_RTEN = EXTI_RTEN_RESET_VAL;
|
||||
EXTI_FTEN = EXTI_FTEN_RESET_VAL;
|
||||
EXTI_SWIEV = EXTI_SWIEV_RESET_VAL;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief initialize the EXTI
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[in] mode: interrupt or event mode, refer to exti_mode_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_INTERRUPT: interrupt mode
|
||||
\arg EXTI_EVENT: event mode
|
||||
\param[in] trig_type: interrupt trigger type, refer to exti_trig_type_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_TRIG_RISING: rising edge trigger
|
||||
\arg EXTI_TRIG_FALLING: falling trigger
|
||||
\arg EXTI_TRIG_BOTH: rising and falling trigger
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_init(exti_line_enum linex, \
|
||||
exti_mode_enum mode, \
|
||||
exti_trig_type_enum trig_type)
|
||||
{
|
||||
/* reset the EXTI line x */
|
||||
EXTI_INTEN &= ~(uint32_t)linex;
|
||||
EXTI_EVEN &= ~(uint32_t)linex;
|
||||
EXTI_RTEN &= ~(uint32_t)linex;
|
||||
EXTI_FTEN &= ~(uint32_t)linex;
|
||||
|
||||
/* set the EXTI mode and enable the interrupts or events from EXTI line x */
|
||||
switch(mode){
|
||||
case EXTI_INTERRUPT:
|
||||
EXTI_INTEN |= (uint32_t)linex;
|
||||
break;
|
||||
case EXTI_EVENT:
|
||||
EXTI_EVEN |= (uint32_t)linex;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* set the EXTI trigger type */
|
||||
switch(trig_type){
|
||||
case EXTI_TRIG_RISING:
|
||||
EXTI_RTEN |= (uint32_t)linex;
|
||||
EXTI_FTEN &= ~(uint32_t)linex;
|
||||
break;
|
||||
case EXTI_TRIG_FALLING:
|
||||
EXTI_RTEN &= ~(uint32_t)linex;
|
||||
EXTI_FTEN |= (uint32_t)linex;
|
||||
break;
|
||||
case EXTI_TRIG_BOTH:
|
||||
EXTI_RTEN |= (uint32_t)linex;
|
||||
EXTI_FTEN |= (uint32_t)linex;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief enable the interrupts from EXTI line x
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_interrupt_enable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_INTEN |= (uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief enable the events from EXTI line x
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_event_enable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_EVEN |= (uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief disable the interrupt from EXTI line x
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_interrupt_disable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_INTEN &= ~(uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief disable the events from EXTI line x
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_event_disable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_EVEN &= ~(uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief get EXTI lines flag
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval FlagStatus: status of flag (RESET or SET)
|
||||
*/
|
||||
FlagStatus exti_flag_get(exti_line_enum linex)
|
||||
{
|
||||
if(RESET != (EXTI_PD & (uint32_t)linex)){
|
||||
return SET;
|
||||
}else{
|
||||
return RESET;
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief clear EXTI lines pending flag
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_flag_clear(exti_line_enum linex)
|
||||
{
|
||||
EXTI_PD = (uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief get EXTI lines flag when the interrupt flag is set
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval FlagStatus: status of flag (RESET or SET)
|
||||
*/
|
||||
FlagStatus exti_interrupt_flag_get(exti_line_enum linex)
|
||||
{
|
||||
uint32_t flag_left, flag_right;
|
||||
flag_left = EXTI_PD & (uint32_t)linex;
|
||||
flag_right = EXTI_INTEN & (uint32_t)linex;
|
||||
if((RESET != flag_left) && (RESET != flag_right)){
|
||||
return SET;
|
||||
}else{
|
||||
return RESET;
|
||||
}
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief clear EXTI lines pending flag
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_interrupt_flag_clear(exti_line_enum linex)
|
||||
{
|
||||
EXTI_PD = (uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief enable EXTI software interrupt event
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_software_interrupt_enable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_SWIEV |= (uint32_t)linex;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief disable EXTI software interrupt event
|
||||
\param[in] linex: EXTI line number, refer to exti_line_enum
|
||||
only one parameter can be selected which is shown as below:
|
||||
\arg EXTI_x (x=0..19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\arg EXTI_x (x=0..17,19,21,22,25,27): EXTI line x (for GD32F130xx and GD32F150xx devices)
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void exti_software_interrupt_disable(exti_line_enum linex)
|
||||
{
|
||||
EXTI_SWIEV &= ~(uint32_t)linex;
|
||||
}
|
||||
Reference in New Issue
Block a user