init proj

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2025-06-24 19:06:17 +03:00
parent 295c52a068
commit 93ab91eb16
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/**
******************************************************************************
* @file ow_port.c
* @brief This file includes the driver for port for OneWire purposes
******************************************************************************
*/
#include "ow_port.h"
#include "onewire.h"
#include "tim.h"
uint32_t pin_pos = (OW_Pin_Numb < 8) ? (OW_Pin_Numb * 4) : ((OW_Pin_Numb - 8) * 4);
/**
* @brief The internal function is used as gpio pin mode
* @param OW OneWire HandleTypedef
* @param Mode Input or Output
*/
void OneWire_Pin_Mode(OneWire_t* OW, PinMode Mode)
{
#ifdef CMSIS_Driver
volatile uint32_t *config_reg = (OW_Pin_Numb < 8) ? &(OW->DataPort->CRL) : &(OW->DataPort->CRH);
// —брос текущих 4 бит (CNF + MODE)
*config_reg &= ~(0xF << pin_pos);
if (Mode == Input)
{
// ¬ход с подт¤жкой или без Ц например, CNF = 0b01, MODE = 0b00
// «десь устанавливаем вход с подт¤жкой:
*config_reg |= (0x8 << pin_pos); // CNF=10, MODE=00 (вход с подт¤жкой)
OW->DataPort->ODR |= (1 << OW_Pin_Numb); // ¬ключить подт¤жку вверх
}
else
{
// ¬ыход push-pull, 2 ћ√ц Ц MODE = 0b10, CNF = 0b00
*config_reg |= (0x2 << pin_pos);
}
#else
#ifdef LL_Driver
if(Mode == Input)
{
LL_GPIO_SetPinMode(OW->DataPort, OW->DataPin, LL_GPIO_MODE_INPUT);
}else{
LL_GPIO_SetPinMode(OW->DataPort, OW->DataPin, LL_GPIO_MODE_OUTPUT);
}
#else
GPIO_InitTypeDef GPIO_InitStruct = {0};
GPIO_InitStruct.Pin = OW->DataPin;
if(Mode == Input)
{
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
}else{
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
}
HAL_GPIO_Init(OW->DataPort, &GPIO_InitStruct);
#endif
#endif
}
/**
* @brief The internal function is used as gpio pin level
* @param OW OneWire HandleTypedef
* @param Mode Level: Set/High = 1, Reset/Low = 0
*/
void OneWire_Pin_Level(OneWire_t* OW, uint8_t Level)
{
#ifdef CMSIS_Driver
if (Level != GPIO_PIN_RESET)
{
OW->DataPort->BSRR = OW->DataPin;
}
else
{
OW->DataPort->BSRR = (uint32_t)OW->DataPin << 16u;
}
#else
#ifdef LL_Driver
if(Level == 1)
{
LL_GPIO_SetOutputPin(OW->DataPort, OW->DataPin);
}else{
LL_GPIO_ResetOutputPin(OW->DataPort, OW->DataPin);
}
#else
HAL_GPIO_WritePin(OW->DataPort, OW->DataPin, Level);
#endif
#endif
}
/**
* @brief The internal function is used to read data pin
* @retval Pin level status
* @param OW OneWire HandleTypedef
*/
uint8_t OneWire_Pin_Read(OneWire_t* OW)
{
#ifdef CMSIS_Driver
return ((OW->DataPort->IDR & OW->DataPin) != 0x00U) ? 1 : 0;
#else
#ifdef LL_Driver
return ((OW->DataPort->IDR & OW->DataPin) != 0x00U) ? 1 : 0;
#else6
return HAL_GPIO_ReadPin(OW->DataPort, OW->DataPin);
#endif
#endif
}
uint32_t tim_1us_period = OW_TIM_1US_PERIOD;
void OneWire_Delay_us(uint32_t us)
{
uint32_t ticks = us * tim_1us_period;
uint16_t start = OW_TIM->CNT;
uint32_t elapsed = 0;
uint16_t prev = start;
while (elapsed < ticks)
{
uint16_t curr = OW_TIM->CNT;
uint16_t delta = (uint16_t)(curr - prev); // учЄт переполнени¤
elapsed += delta;
prev = curr;
}
}