437 lines
13 KiB
C
437 lines
13 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021-08-10 charlown first version
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <rtdevice.h>
|
|
#include <rthw.h>
|
|
#include "board.h"
|
|
#include "ch32f10x_rcc.h"
|
|
|
|
rt_uint32_t ch32_get_sysclock_frequency(void)
|
|
{
|
|
RCC_ClocksTypeDef RCC_Clocks;
|
|
|
|
RCC_GetClocksFreq(&RCC_Clocks);
|
|
|
|
return RCC_Clocks.SYSCLK_Frequency;
|
|
}
|
|
|
|
void ch32f1_usart_clock_and_io_init(USART_TypeDef *usartx)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
if (usartx == USART1)
|
|
{
|
|
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
|
|
/* USART1 TX-->A.9 RX-->A.10 */
|
|
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_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
|
|
if (usartx == USART2)
|
|
{
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
|
|
/* USART2 TX-->A.2 RX-->A.3 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
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_3;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
|
|
if (usartx == USART3)
|
|
{
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
|
|
|
|
/* USART3 TX-->C.10 RX-->C.11 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
GPIO_PinRemapConfig(GPIO_PartialRemap_USART3, ENABLE);
|
|
}
|
|
}
|
|
|
|
void ch32f1_spi_clock_and_io_init(SPI_TypeDef *spix)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
|
|
if (spix == SPI1)
|
|
{
|
|
RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
|
|
if (spix == SPI2)
|
|
{
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_15;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
|
|
rt_uint32_t ch32f1_spi_clock_get(SPI_TypeDef *spix)
|
|
{
|
|
RCC_ClocksTypeDef RCC_Clocks;
|
|
|
|
RCC_GetClocksFreq(&RCC_Clocks);
|
|
|
|
if (spix == SPI1)
|
|
{
|
|
return RCC_Clocks.PCLK2_Frequency;
|
|
}
|
|
|
|
if (spix == SPI2)
|
|
{
|
|
return RCC_Clocks.PCLK1_Frequency;
|
|
}
|
|
|
|
return RCC_Clocks.PCLK2_Frequency;
|
|
}
|
|
|
|
void ch32f1_i2c_clock_and_io_init(I2C_TypeDef *i2cx)
|
|
{
|
|
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
|
|
|
|
if (i2cx == I2C1)
|
|
{
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
GPIO_PinRemapConfig(GPIO_Remap_I2C1, ENABLE);
|
|
}
|
|
|
|
if (i2cx == I2C2)
|
|
{
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
|
|
void ch32f1_i2c_config(I2C_TypeDef *i2cx)
|
|
{
|
|
|
|
I2C_InitTypeDef I2C_InitTSturcture;
|
|
|
|
if (i2cx == I2C1)
|
|
{
|
|
I2C_InitTSturcture.I2C_ClockSpeed = 100000;
|
|
I2C_InitTSturcture.I2C_Mode = I2C_Mode_I2C;
|
|
I2C_InitTSturcture.I2C_DutyCycle = I2C_DutyCycle_16_9;
|
|
I2C_InitTSturcture.I2C_OwnAddress1 = 0;
|
|
I2C_InitTSturcture.I2C_Ack = I2C_Ack_Enable;
|
|
I2C_InitTSturcture.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
|
|
I2C_Init(I2C1, &I2C_InitTSturcture);
|
|
|
|
I2C_Cmd(I2C1, ENABLE);
|
|
I2C_AcknowledgeConfig(I2C1, ENABLE);
|
|
}
|
|
|
|
if (i2cx == I2C2)
|
|
{
|
|
I2C_InitTSturcture.I2C_ClockSpeed = 100000;
|
|
I2C_InitTSturcture.I2C_Mode = I2C_Mode_I2C;
|
|
I2C_InitTSturcture.I2C_DutyCycle = I2C_DutyCycle_16_9;
|
|
I2C_InitTSturcture.I2C_OwnAddress1 = 0;
|
|
I2C_InitTSturcture.I2C_Ack = I2C_Ack_Enable;
|
|
I2C_InitTSturcture.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
|
|
I2C_Init(I2C2, &I2C_InitTSturcture);
|
|
|
|
I2C_Cmd(I2C2, ENABLE);
|
|
I2C_AcknowledgeConfig(I2C2, ENABLE);
|
|
}
|
|
}
|
|
|
|
void ch32f1_tim_clock_init(TIM_TypeDef *timx)
|
|
{
|
|
if (timx == TIM1)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
|
|
}
|
|
|
|
if (timx == TIM2)
|
|
{
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
|
}
|
|
|
|
if (timx == TIM3)
|
|
{
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
|
|
}
|
|
|
|
if (timx == TIM4)
|
|
{
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
|
|
}
|
|
}
|
|
|
|
rt_uint32_t ch32f1_tim_clock_get(TIM_TypeDef *timx)
|
|
{
|
|
RCC_ClocksTypeDef RCC_Clocks;
|
|
|
|
RCC_GetClocksFreq(&RCC_Clocks);
|
|
|
|
/*tim1~4 all in HCLK*/
|
|
return RCC_Clocks.HCLK_Frequency;
|
|
}
|
|
|
|
struct rt_hwtimer_info hwtimer_info1 =
|
|
{
|
|
.maxfreq = 1000000,
|
|
.minfreq = 2000,
|
|
.maxcnt = 0xFFFF,
|
|
.cntmode = HWTIMER_CNTMODE_UP,
|
|
|
|
};
|
|
|
|
struct rt_hwtimer_info hwtimer_info2 =
|
|
{
|
|
.maxfreq = 1000000,
|
|
.minfreq = 2000,
|
|
.maxcnt = 0xFFFF,
|
|
.cntmode = HWTIMER_CNTMODE_UP,
|
|
|
|
};
|
|
|
|
struct rt_hwtimer_info hwtimer_info3 =
|
|
{
|
|
.maxfreq = 1000000,
|
|
.minfreq = 2000,
|
|
.maxcnt = 0xFFFF,
|
|
.cntmode = HWTIMER_CNTMODE_UP,
|
|
|
|
};
|
|
|
|
struct rt_hwtimer_info hwtimer_info4 =
|
|
{
|
|
.maxfreq = 1000000,
|
|
.minfreq = 2000,
|
|
.maxcnt = 0xFFFF,
|
|
.cntmode = HWTIMER_CNTMODE_UP,
|
|
|
|
};
|
|
|
|
struct rt_hwtimer_info *ch32f1_hwtimer_info_config_get(TIM_TypeDef *timx)
|
|
{
|
|
struct rt_hwtimer_info *info = RT_NULL;
|
|
|
|
if (timx == TIM1)
|
|
{
|
|
info = &hwtimer_info1;
|
|
}
|
|
else if (timx == TIM2)
|
|
{
|
|
info = &hwtimer_info2;
|
|
}
|
|
else if (timx == TIM3)
|
|
{
|
|
info = &hwtimer_info3;
|
|
}
|
|
else if (timx == TIM4)
|
|
{
|
|
info = &hwtimer_info4;
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
void ch32f1_pwm_io_init(TIM_TypeDef *timx, rt_uint8_t channel)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
if (timx == TIM1)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
|
|
if (channel == TIM_Channel_1)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_2)
|
|
{
|
|
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);
|
|
}
|
|
if (channel == TIM_Channel_3)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_4)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
|
|
if (timx == TIM2)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
|
|
if (channel == TIM_Channel_1)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_2)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_3)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_4)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
|
|
if (timx == TIM3)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
|
|
if (channel == TIM_Channel_1)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_2)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_3)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_4)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
|
|
if (timx == TIM4)
|
|
{
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
|
|
|
|
if (channel == TIM_Channel_1)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_2)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_3)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
if (channel == TIM_Channel_4)
|
|
{
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
}
|
|
}
|
|
}
|