UHSDR/UHSDR-active-devel/mchf-eclipse/hardware/uhsdr_hw_i2c.c

85 lines
3.0 KiB
C
Raw Normal View History

2022-11-08 16:13:55 +01:00
/* -*- mode: c; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4; coding: utf-8 -*- */
/************************************************************************************
** **
** mcHF QRP Transceiver **
** K Atanassov - M0NKA 2014 **
** **
**---------------------------------------------------------------------------------**
** **
** File name: **
** Description: **
** Last Modified: **
** Licence: GNU GPLv3 **
************************************************************************************/
// Common
#include "uhsdr_board.h"
#include "uhsdr_hw_i2c.h"
#include "i2c.h"
uint16_t UhsdrHw_I2C_DeviceReady(I2C_HandleTypeDef* hi2c, uchar I2CAddr)
{
return HAL_I2C_IsDeviceReady(hi2c, I2CAddr,100,100);
}
uint16_t UhsdrHw_I2C_WriteRegister(I2C_HandleTypeDef* hi2c, uchar I2CAddr,uint16_t addr,uint16_t addr_size, uchar RegisterValue)
{
HAL_StatusTypeDef i2cRet = HAL_I2C_Mem_Write(hi2c,I2CAddr,addr,addr_size,&RegisterValue,1,100);
return i2cRet != HAL_OK?0xFF00:0;
}
uint16_t UhsdrHw_I2C_WriteBlock(I2C_HandleTypeDef* hi2c, uchar I2CAddr, uint16_t addr, uint16_t addr_size, const uint8_t* data, uint32_t size)
{
HAL_StatusTypeDef i2cRet = HAL_I2C_Mem_Write(hi2c,I2CAddr,addr,addr_size,(uint8_t*)data,size,100);
return i2cRet != HAL_OK?0xFF00:0;
}
uint16_t UhsdrHw_I2C_ReadRegister(I2C_HandleTypeDef* hi2c, uchar I2CAddr, uint16_t addr, uint16_t addr_size, uint8_t *RegisterValue)
{
HAL_StatusTypeDef i2cRet = HAL_I2C_Mem_Read(hi2c,I2CAddr,addr,addr_size,RegisterValue,1,100);
return i2cRet != HAL_OK?0xFF00:0;
}
uint16_t UhsdrHw_I2C_ReadBlock(I2C_HandleTypeDef* hi2c, uchar I2CAddr,uint16_t addr, uint16_t addr_size, uint8_t *data, uint32_t size)
{
HAL_StatusTypeDef i2cRet = HAL_I2C_Mem_Read(hi2c,I2CAddr,addr,addr_size,data,size,100);
return i2cRet != HAL_OK?0xFF00:0;
}
#ifdef STM32F4
/**
* @brief init I2C
* @param speed in Hertz !!!
*/
void UhsdrHw_I2C_ChangeSpeed(I2C_HandleTypeDef* hi2c)
{
/// FIXME: Support for more than I2C1 und I2C2
uint8_t speedIdx;
if (hi2c->Instance == I2C1)
{
speedIdx = I2C_BUS_1;
}
else
{
speedIdx = I2C_BUS_2;
}
HAL_I2C_DeInit(hi2c);
// FIXME: F7PORT: I2C Clock Timing works differently on the F7, we need to supply correct register values instead of a simple speed value
hi2c->Init.ClockSpeed = ts.i2c_speed[speedIdx] * I2C_BUS_SPEED_MULT;
HAL_I2C_Init(hi2c);
}
#endif