first submission

This commit is contained in:
qiyongshuang
2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,741 @@
/*
* File : drv_gpio.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2017-10-20 ZYH the first version
* 2017-11-15 ZYH update to 3.0.0
*/
#include <rthw.h>
#include <rtdevice.h>
#include <board.h>
#include <rtthread.h>
#include "drivers/pin.h"
#ifdef RT_USING_PIN
#define __CH32_PIN(index, gpio, gpio_index) {index, GPIO##gpio##_CLK_ENABLE, GPIO##gpio, GPIO_Pin_##gpio_index}
#define __CH32_PIN_DEFAULT {-1, 0, 0, 0}
static void GPIOA_CLK_ENABLE(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
}
static void GPIOB_CLK_ENABLE(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
}
#if (ch32v20x_PIN_NUMBERS >36)
static void GPIOC_CLK_ENABLE(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
}
#endif
#if (ch32v20x_PIN_NUMBERS >48)
static void GPIOD_CLK_ENABLE(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
}
#endif
/* GPIO driver */
struct pin_index
{
int index;
void (*rcc)(void);
GPIO_TypeDef *gpio;
uint32_t pin;
};
static const struct pin_index pins[] =
{
#if (ch32v20x_PIN_NUMBERS == 36)
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(7, A, 0),
__CH32_PIN(8, A, 1),
__CH32_PIN(9, A, 2),
__CH32_PIN(10, A, 3),
__CH32_PIN(11, A, 4),
__CH32_PIN(12, A, 5),
__CH32_PIN(13, A, 6),
__CH32_PIN(14, A, 7),
__CH32_PIN(15, B, 0),
__CH32_PIN(16, B, 1),
__CH32_PIN(17, B, 2),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(20, A, 8),
__CH32_PIN(21, A, 9),
__CH32_PIN(22, A, 10),
__CH32_PIN(23, A, 11),
__CH32_PIN(24, A, 12),
__CH32_PIN(25, A, 13),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(28, A, 14),
__CH32_PIN(29, A, 15),
__CH32_PIN(30, B, 3),
__CH32_PIN(31, B, 4),
__CH32_PIN(32, B, 5),
__CH32_PIN(33, B, 6),
__CH32_PIN(34, B, 7),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
#endif
#if (ch32v20x_PIN_NUMBERS == 48)
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(2, C, 13),
__CH32_PIN(3, C, 14),
__CH32_PIN(4, C, 15),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(10, A, 0),
__CH32_PIN(11, A, 1),
__CH32_PIN(12, A, 2),
__CH32_PIN(13, A, 3),
__CH32_PIN(14, A, 4),
__CH32_PIN(15, A, 5),
__CH32_PIN(16, A, 6),
__CH32_PIN(17, A, 7),
__CH32_PIN(18, B, 0),
__CH32_PIN(19, B, 1),
__CH32_PIN(20, B, 2),
__CH32_PIN(21, B, 10),
__CH32_PIN(22, B, 11),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(25, B, 12),
__CH32_PIN(26, B, 13),
__CH32_PIN(27, B, 14),
__CH32_PIN(28, B, 15),
__CH32_PIN(29, A, 8),
__CH32_PIN(30, A, 9),
__CH32_PIN(31, A, 10),
__CH32_PIN(32, A, 11),
__CH32_PIN(33, A, 12),
__CH32_PIN(34, A, 13),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(37, A, 14),
__CH32_PIN(38, A, 15),
__CH32_PIN(39, B, 3),
__CH32_PIN(40, B, 4),
__CH32_PIN(41, B, 5),
__CH32_PIN(42, B, 6),
__CH32_PIN(43, B, 7),
__CH32_PIN_DEFAULT,
__CH32_PIN(45, B, 8),
__CH32_PIN(46, B, 9),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
#endif
#if (ch32v20x_PIN_NUMBERS == 64)
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(2, C, 13),
__CH32_PIN(3, C, 14),
__CH32_PIN(4, C, 15),
__CH32_PIN(5, D, 0),
__CH32_PIN(6, D, 1),
__CH32_PIN_DEFAULT,
__CH32_PIN(8, C, 0),
__CH32_PIN(9, C, 1),
__CH32_PIN(10, C, 2),
__CH32_PIN(11, C, 3),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(14, A, 0),
__CH32_PIN(15, A, 1),
__CH32_PIN(16, A, 2),
__CH32_PIN(17, A, 3),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(20, A, 4),
__CH32_PIN(21, A, 5),
__CH32_PIN(22, A, 6),
__CH32_PIN(23, A, 7),
__CH32_PIN(24, C, 4),
__CH32_PIN(25, C, 5),
__CH32_PIN(26, B, 0),
__CH32_PIN(27, B, 1),
__CH32_PIN(28, B, 2),
__CH32_PIN(29, B, 10),
__CH32_PIN(30, B, 11),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(33, B, 12),
__CH32_PIN(34, B, 13),
__CH32_PIN(35, B, 14),
__CH32_PIN(36, B, 15),
__CH32_PIN(37, C, 6),
__CH32_PIN(38, C, 7),
__CH32_PIN(39, C, 8),
__CH32_PIN(40, C, 9),
__CH32_PIN(41, A, 8),
__CH32_PIN(42, A, 9),
__CH32_PIN(43, A, 10),
__CH32_PIN(44, A, 11),
__CH32_PIN(45, A, 12),
__CH32_PIN(46, A, 13),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(49, A, 14),
__CH32_PIN(50, A, 15),
__CH32_PIN(51, C, 10),
__CH32_PIN(52, C, 11),
__CH32_PIN(53, C, 12),
__CH32_PIN(54, D, 2),
__CH32_PIN(55, B, 3),
__CH32_PIN(56, B, 4),
__CH32_PIN(57, B, 5),
__CH32_PIN(58, B, 6),
__CH32_PIN(59, B, 7),
__CH32_PIN_DEFAULT,
__CH32_PIN(61, B, 8),
__CH32_PIN(62, B, 9),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
#endif
#if (ch32v20x_PIN_NUMBERS == 68) //CH32V208Wx
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(2, C, 13),
__CH32_PIN(3, C, 14),
__CH32_PIN(4, C, 15),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(8, C, 0),
__CH32_PIN(9, C, 1),
__CH32_PIN(10, C, 2),
__CH32_PIN(11, C, 3),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(14, A, 0),
__CH32_PIN(15, A, 1),
__CH32_PIN(16, A, 2),
__CH32_PIN_DEFAULT,
__CH32_PIN(18, D, 4),
__CH32_PIN(19, A, 3),
__CH32_PIN(20, A, 4),
__CH32_PIN(21, A, 5),
__CH32_PIN(22, A, 6),
__CH32_PIN(23, A, 7),
__CH32_PIN(24, C, 4),
__CH32_PIN(25, C, 5),
__CH32_PIN(26, B, 0),
__CH32_PIN(27, B, 1),
__CH32_PIN(28, B, 2),
__CH32_PIN(29, B, 10),
__CH32_PIN(30, B, 11),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(33, D, 5),
__CH32_PIN(34, D, 6),
__CH32_PIN(35, B, 12),
__CH32_PIN(36, B, 13),
__CH32_PIN(37, B, 14),
__CH32_PIN(38, B, 15),
__CH32_PIN(39, C, 6),
__CH32_PIN(40, C, 7),
__CH32_PIN(41, C, 8),
__CH32_PIN(42, C, 9),
__CH32_PIN(43, A, 8),
__CH32_PIN(44, A, 9),
__CH32_PIN(45, A, 10),
__CH32_PIN(46, A, 11),
__CH32_PIN(47, A, 12),
__CH32_PIN(48, A, 13),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
__CH32_PIN(52, A, 14),
__CH32_PIN(53, A, 15),
__CH32_PIN(54, C, 10),
__CH32_PIN(55, C, 11),
__CH32_PIN(56, C, 12),
__CH32_PIN(57, D, 2),
__CH32_PIN(58, B, 3),
__CH32_PIN(59, B, 4),
__CH32_PIN(60, B, 5),
__CH32_PIN(61, B, 6),
__CH32_PIN(62, B, 7),
__CH32_PIN_DEFAULT,
__CH32_PIN(64, B, 8),
__CH32_PIN(65, B, 9),
__CH32_PIN(66, D, 3),
__CH32_PIN_DEFAULT,
__CH32_PIN_DEFAULT,
#endif
};
struct pin_irq_map
{
rt_uint16_t pinbit;
IRQn_Type irqno;
};
static const struct pin_irq_map pin_irq_map[] =
{
{GPIO_Pin_0, EXTI0_IRQn},
{GPIO_Pin_1, EXTI1_IRQn},
{GPIO_Pin_2, EXTI2_IRQn},
{GPIO_Pin_3, EXTI3_IRQn},
{GPIO_Pin_4, EXTI4_IRQn},
{GPIO_Pin_5, EXTI9_5_IRQn},
{GPIO_Pin_6, EXTI9_5_IRQn},
{GPIO_Pin_7, EXTI9_5_IRQn},
{GPIO_Pin_8, EXTI9_5_IRQn},
{GPIO_Pin_9, EXTI9_5_IRQn},
{GPIO_Pin_10, EXTI15_10_IRQn},
{GPIO_Pin_11, EXTI15_10_IRQn},
{GPIO_Pin_12, EXTI15_10_IRQn},
{GPIO_Pin_13, EXTI15_10_IRQn},
{GPIO_Pin_14, EXTI15_10_IRQn},
{GPIO_Pin_15, EXTI15_10_IRQn},
};
struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
{
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
{ -1, 0, RT_NULL, RT_NULL},
};
#define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
const struct pin_index *get_pin(uint8_t pin)
{
const struct pin_index *index;
if (pin < ITEM_NUM(pins))
{
index = &pins[pin];
if (index->index == -1)
index = RT_NULL;
}
else
{
index = RT_NULL;
}
return index;
};
void ch32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
{
const struct pin_index *index;
index = get_pin(pin);
if (index == RT_NULL)
{
return;
}
GPIO_WriteBit(index->gpio, index->pin, (BitAction)value);
}
int ch32_pin_read(rt_device_t dev, rt_base_t pin)
{
int value;
const struct pin_index *index;
value = PIN_LOW;
index = get_pin(pin);
if (index == RT_NULL)
{
return value;
}
value = GPIO_ReadInputDataBit(index->gpio, index->pin);
return value;
}
void ch32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
{
const struct pin_index *index;
GPIO_InitTypeDef GPIO_InitStruct;
index = get_pin(pin);
if (index == RT_NULL)
{
return;
}
rt_kprintf("get pin index\r\n");
/* GPIO Periph clock enable */
index->rcc();
/* Configure GPIO_InitStructure */
GPIO_InitStruct.GPIO_Pin = index->pin;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
if (mode == PIN_MODE_OUTPUT)
{
/* output setting */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
}
else if (mode == PIN_MODE_INPUT_AIN)
{
/* input setting: not pull. */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
}
else if (mode == PIN_MODE_INPUT)
{
/* input setting: pull up. */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
}
else if (mode == PIN_MODE_INPUT_PULLDOWN)
{
/* input setting: pull down. */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPD;
// GPIO_InitStruct.Pull = GPIO_PULLDOWN;
}
else if (mode == PIN_MODE_INPUT_PULLUP)
{
/* output setting: od. */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPU;
// GPIO_InitStruct.Pull = GPIO_NOPULL;
}
else if (mode == PIN_MODE_OUTPUT_OD)
{
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_OD;
}
else if (mode == PIN_MODE_OUTPUT_AF_OD)
{
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_OD;
}
else if (mode == PIN_MODE_OUTPUT_AF_PP)
{
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
}
GPIO_Init(index->gpio, &GPIO_InitStruct);
}
rt_inline rt_int32_t bit2bitno(rt_uint32_t bit)
{
int i;
for (i = 0; i < 32; i++)
{
if ((0x01 << i) == bit)
{
return i;
}
}
return -1;
}
rt_inline const struct pin_irq_map *get_pin_irq_map(uint32_t pinbit)
{
rt_int32_t mapindex = bit2bitno(pinbit);
if (mapindex < 0 || mapindex >= ITEM_NUM(pin_irq_map))
{
return RT_NULL;
}
return &pin_irq_map[mapindex];
};
rt_err_t ch32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
rt_uint32_t mode, void (*hdr)(void *args), void *args)
{
const struct pin_index *index;
rt_base_t level;
rt_int32_t irqindex = -1;
index = get_pin(pin);
if (index == RT_NULL)
{
return RT_ENOSYS;
}
irqindex = bit2bitno(index->pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{
return RT_ENOSYS;
}
level = rt_hw_interrupt_disable();
if (pin_irq_hdr_tab[irqindex].pin == pin &&
pin_irq_hdr_tab[irqindex].hdr == hdr &&
pin_irq_hdr_tab[irqindex].mode == mode &&
pin_irq_hdr_tab[irqindex].args == args)
{
rt_hw_interrupt_enable(level);
return RT_EOK;
}
if (pin_irq_hdr_tab[irqindex].pin != -1)
{
rt_hw_interrupt_enable(level);
return RT_EBUSY;
}
pin_irq_hdr_tab[irqindex].pin = pin;
pin_irq_hdr_tab[irqindex].hdr = hdr;
pin_irq_hdr_tab[irqindex].mode = mode;
pin_irq_hdr_tab[irqindex].args = args;
rt_hw_interrupt_enable(level);
return RT_EOK;
}
rt_err_t ch32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
{
const struct pin_index *index;
rt_base_t level;
rt_int32_t irqindex = -1;
index = get_pin(pin);
if (index == RT_NULL)
{
return RT_ENOSYS;
}
irqindex = bit2bitno(index->pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{
return RT_ENOSYS;
}
level = rt_hw_interrupt_disable();
if (pin_irq_hdr_tab[irqindex].pin == -1)
{
rt_hw_interrupt_enable(level);
return RT_EOK;
}
pin_irq_hdr_tab[irqindex].pin = -1;
pin_irq_hdr_tab[irqindex].hdr = RT_NULL;
pin_irq_hdr_tab[irqindex].mode = 0;
pin_irq_hdr_tab[irqindex].args = RT_NULL;
rt_hw_interrupt_enable(level);
return RT_EOK;
}
rt_err_t ch32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
rt_uint32_t enabled)
{
const struct pin_index *index;
const struct pin_irq_map *irqmap;
rt_base_t level;
rt_int32_t irqindex = -1;
GPIO_InitTypeDef GPIO_InitStruct;
EXTI_InitTypeDef EXTI_InitStructure;
index = get_pin(pin);
if (index == RT_NULL)
{
return RT_ENOSYS;
}
if (enabled == PIN_IRQ_ENABLE)
{
irqindex = bit2bitno(index->pin);
if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
{
return RT_ENOSYS;
}
level = rt_hw_interrupt_disable();
if (pin_irq_hdr_tab[irqindex].pin == -1)
{
rt_hw_interrupt_enable(level);
return RT_ENOSYS;
}
irqmap = &pin_irq_map[irqindex];
/* GPIO Periph clock enable */
index->rcc();
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
/* Configure GPIO_InitStructure */
GPIO_InitStruct.GPIO_Pin = index->pin;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
EXTI_InitStructure.EXTI_Line=index->pin;/* �ⲿ�ж��ߺ����źŶ�Ӧ */
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
switch (pin_irq_hdr_tab[irqindex].mode)
{
case PIN_IRQ_MODE_RISING:
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPD;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
break;
case PIN_IRQ_MODE_FALLING:
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPU;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
break;
case PIN_IRQ_MODE_RISING_FALLING:
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
break;
}
GPIO_Init(index->gpio, &GPIO_InitStruct);
EXTI_Init(&EXTI_InitStructure);
NVIC_SetPriority(irqmap->irqno,5<<4);
NVIC_EnableIRQ( irqmap->irqno );
rt_hw_interrupt_enable(level);
}
else if (enabled == PIN_IRQ_DISABLE)
{
irqmap = get_pin_irq_map(index->pin);
if (irqmap == RT_NULL)
{
return RT_ENOSYS;
}
NVIC_DisableIRQ(irqmap->irqno);
}
else
{
return RT_ENOSYS;
}
return RT_EOK;
}
const static struct rt_pin_ops _ch32_pin_ops =
{
ch32_pin_mode,
ch32_pin_write,
ch32_pin_read,
ch32_pin_attach_irq,
ch32_pin_dettach_irq,
ch32_pin_irq_enable,
};
int rt_hw_pin_init(void)
{
int result;
result = rt_device_pin_register("pin", &_ch32_pin_ops, RT_NULL);
return result;
}
INIT_BOARD_EXPORT(rt_hw_pin_init);
rt_inline void pin_irq_hdr(int irqno)
{
if (pin_irq_hdr_tab[irqno].hdr)
{
pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args);
}
}
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
pin_irq_hdr(bit2bitno(GPIO_Pin));
}
void EXTI0_IRQHandler(void) __attribute__((interrupt()));
void EXTI1_IRQHandler(void) __attribute__((interrupt()));
void EXTI2_IRQHandler(void) __attribute__((interrupt()));
void EXTI3_IRQHandler(void) __attribute__((interrupt()));
void EXTI4_IRQHandler(void) __attribute__((interrupt()));
void EXTI9_5_IRQHandler(void) __attribute__((interrupt()));
void EXTI0_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if(EXTI_GetITStatus(EXTI_Line0)!=RESET)
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_0);
EXTI_ClearITPendingBit(EXTI_Line0);
}
rt_interrupt_leave();
FREE_INT_SP();
}
void EXTI1_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if(EXTI_GetITStatus(EXTI_Line1)!=RESET)
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_1);
EXTI_ClearITPendingBit(EXTI_Line1);
}
rt_interrupt_leave();
FREE_INT_SP();
}
void EXTI2_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if(EXTI_GetITStatus(EXTI_Line2)!=RESET)
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_2);
EXTI_ClearITPendingBit(EXTI_Line2);
}
rt_interrupt_leave();
FREE_INT_SP();
}
void EXTI3_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if(EXTI_GetITStatus(EXTI_Line3)!=RESET)
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_3);
EXTI_ClearITPendingBit(EXTI_Line3);
}
rt_interrupt_leave();
FREE_INT_SP();
}
void EXTI4_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if(EXTI_GetITStatus(EXTI_Line4)!=RESET)
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_4);
EXTI_ClearITPendingBit(EXTI_Line4);
}
rt_interrupt_leave();
FREE_INT_SP();
}
void EXTI9_5_IRQHandler(void)
{
GET_INT_SP();
rt_interrupt_enter();
if( (EXTI_GetITStatus(EXTI_Line5)!=RESET)|| \
(EXTI_GetITStatus(EXTI_Line6)!=RESET)|| \
(EXTI_GetITStatus(EXTI_Line7)!=RESET)|| \
(EXTI_GetITStatus(EXTI_Line8)!=RESET)|| \
(EXTI_GetITStatus(EXTI_Line9)!=RESET) )
{
HAL_GPIO_EXTI_Callback(GPIO_Pin_5);
HAL_GPIO_EXTI_Callback(GPIO_Pin_6);
HAL_GPIO_EXTI_Callback(GPIO_Pin_7);
HAL_GPIO_EXTI_Callback(GPIO_Pin_8);
HAL_GPIO_EXTI_Callback(GPIO_Pin_9);
EXTI_ClearITPendingBit(EXTI_Line5|EXTI_Line6|EXTI_Line7|EXTI_Line8|EXTI_Line9);
}
rt_interrupt_leave();
FREE_INT_SP();
}
#endif
@@ -0,0 +1,21 @@
/*
* File : drv_gpio.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2015-01-05 Bernard the first version
* 2017-11-35 ZYH update to 3.0.0
*/
#ifndef GPIO_H__
#define GPIO_H__
#define PIN_USERDATA_END {-1,0}
int rt_hw_pin_init(void);
#endif
@@ -0,0 +1,272 @@
/*
* File : drv_usart.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2013, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard the first version
* 2010-03-29 Bernard remove interrupt Tx and DMA Rx mode
* 2013-05-13 aozima update for kehong-lingtai.
* 2015-01-31 armink make sure the serial transmit complete in putc()
* 2016-05-13 armink add DMA Rx mode
* 2017-01-19 aubr.cool add interrupt Tx mode
* 2017-04-13 aubr.cool correct Rx parity err
* 2017-10-20 ZYH porting to HAL Libraries(with out DMA)
* 2017-11-15 ZYH update to 3.0.0
*/
#include "board.h"
#include <rtdevice.h>
#include <drv_usart.h>
/* uart driver */
struct ch32_uart
{
USART_InitTypeDef huart;
USART_TypeDef *USARTx;
IRQn_Type irq;
};
static rt_err_t ch32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
struct ch32_uart *uart;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
uart = (struct ch32_uart *)serial->parent.user_data;
uart->huart.USART_BaudRate = cfg->baud_rate;
uart->huart.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
uart->huart.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;
switch (cfg->data_bits)
{
case DATA_BITS_8:
uart->huart.USART_WordLength = USART_WordLength_8b;
break;
case DATA_BITS_9:
uart->huart.USART_WordLength = USART_WordLength_9b;
break;
default:
uart->huart.USART_WordLength = USART_WordLength_8b;
break;
}
switch (cfg->stop_bits)
{
case STOP_BITS_1:
uart->huart.USART_StopBits = USART_StopBits_1;
break;
case STOP_BITS_2:
uart->huart.USART_StopBits = USART_StopBits_2;
break;
default:
uart->huart.USART_StopBits = USART_StopBits_1;
break;
}
switch (cfg->parity)
{
case PARITY_NONE:
uart->huart.USART_Parity = USART_Parity_No;
break;
case PARITY_ODD:
uart->huart.USART_Parity = USART_Parity_Odd;
break;
case PARITY_EVEN:
uart->huart.USART_Parity = USART_Parity_Even;
break;
default:
uart->huart.USART_Parity = USART_Parity_No;
break;
}
// if (HAL_UART_Init(&uart->huart) != HAL_OK)
// {
// return RT_ERROR;
// }
if(uart->USARTx == USART1)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA, ENABLE);
// uart->irq=USART1_IRQn;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Init(uart->USARTx,&uart->huart);
USART_Cmd(uart->USARTx, ENABLE);
}
return RT_EOK;
}
static rt_err_t ch32_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct ch32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct ch32_uart *)serial->parent.user_data;
switch (cmd)
{
/* disable interrupt */
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
NVIC_DisableIRQ(uart->irq);
/* disable interrupt */
USART_ITConfig(uart->USARTx,USART_IT_RXNE,DISABLE);
break;
/* enable interrupt */
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
NVIC_EnableIRQ(uart->irq);
/* enable interrupt */
USART_ITConfig(uart->USARTx, USART_IT_RXNE,ENABLE);
break;
}
return RT_EOK;
}
static int ch32_putc(struct rt_serial_device *serial, char c)
{
struct ch32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct ch32_uart *)serial->parent.user_data;
// while (__HAL_UART_GET_FLAG(&uart->huart, UART_FLAG_TXE) == RESET);
while (USART_GetFlagStatus(uart->USARTx, USART_FLAG_TC) == RESET);
uart->USARTx->DATAR = c;
return 1;
}
static int ch32_getc(struct rt_serial_device *serial)
{
int ch;
struct ch32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct ch32_uart *)serial->parent.user_data;
ch = -1;
if (USART_GetFlagStatus(uart->USARTx, USART_FLAG_RXNE) != RESET)
{
ch = uart->USARTx->DATAR & 0xff;
}
return ch;
}
rt_size_t ch32dma_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, int direction)
{
return RT_EOK;
}
/**
* Uart common interrupt process. This need add to uart ISR.
*
* @param serial serial device
*/
static void uart_isr(struct rt_serial_device *serial)
{
struct ch32_uart *uart = (struct ch32_uart *) serial->parent.user_data;
RT_ASSERT(uart != RT_NULL);
if (USART_GetITStatus(uart->USARTx, USART_IT_RXNE) != RESET)
{
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
USART_ClearITPendingBit(uart->USARTx, USART_IT_RXNE);
}
}
static const struct rt_uart_ops ch32_uart_ops =
{
ch32_configure,
ch32_control,
ch32_putc,
ch32_getc,
ch32dma_transmit
};
#if defined(RT_USING_UART1)
/* UART1 device driver structure */
struct ch32_uart uart1;
struct rt_serial_device serial1;
void USART1_IRQHandler(void) __attribute__((interrupt()));
void USART1_IRQHandler(void)
{
GET_INT_SP();
/* enter interrupt */
rt_interrupt_enter();
// printf("int_SP:%08x\n",__get_SP());
uart_isr(&serial1);
/* leave interrupt */
rt_interrupt_leave();
FREE_INT_SP();
}
#endif /* RT_USING_UART1 */
int rt_hw_usart_init(void)
{
struct ch32_uart *uart;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
// ch32_uart_ops.configure = ch32_configure;
// ch32_uart_ops.control = ch32_control;
// ch32_uart_ops.putc = ch32_putc;
// ch32_uart_ops.getc = ch32_getc;
// ch32_uart_ops.dma_transmit= ch32dma_transmit;
#if defined(RT_USING_UART1)
uart=&uart1;
uart->irq=USART1_IRQn;
uart->USARTx=USART1;
config.baud_rate = BAUD_RATE_115200;
serial1.ops = &ch32_uart_ops;
serial1.config = config;
uart->huart.USART_BaudRate = 115200;
uart->huart.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
uart->huart.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;
uart->huart.USART_WordLength = USART_WordLength_8b;
uart->huart.USART_StopBits = USART_StopBits_1;
uart->huart.USART_Parity = USART_Parity_No;
if(uart->USARTx == USART1)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA, ENABLE);
// uart->irq=USART1_IRQn;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_Init(uart->USARTx,&uart->huart);
USART_Cmd(uart->USARTx, ENABLE);
}
/* register UART1 device */
rt_hw_serial_register(&serial1, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_UART1 */
return 0;
}
INIT_BOARD_EXPORT(rt_hw_usart_init);
@@ -0,0 +1,20 @@
/*
* File : usart.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard the first version
*/
#ifndef __USART_H__
#define __USART_H__
#include "rthw.h"
#include "rtthread.h"
int rt_hw_usart_init(void);
#endif