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#include "LM75.h"
char LM75_PowerOn (LM75_StructTypeDef * LM75_Struct, LM75_PowerTypeDef Enable)
{
return LM75_Struct->WriteReg(LM75_Struct->I2C_Adrs, LM75_ConfigReg, Enable & 1);
}
char LM75_GetResult (LM75_StructTypeDef * LM75_Struct)
{
static char result;
static signed char tmp[2];
result = LM75_Struct->ReadReg(LM75_Struct->I2C_Adrs, LM75_TempReg, (char*)tmp, sizeof(tmp));
LM75_Struct->T = (float)(tmp[0]);
if (tmp[1] & 0x80) LM75_Struct->T += 0.5;
return result;
}
typedef struct
{
/* Variables */
float T;
char I2C_Adrs;
/* Functions */
[B] char (*WriteReg)(char I2C_Adrs, char Reg, char Value);
char (*ReadReg) (char I2C_Adrs, char Reg, char * buf, char size);[/B]
}LM75_StructTypeDef;
LM75_StructTypeDef * LM75_Driver = malloc(sizeof(*LM75_Driver));
LM75_Driver -> I2C_Adrs = 0x90;
LM75_Driver -> WriteReg = LM75_SPI_Write;
LM75_Driver -> ReadReg = LM75_SPI_Read;
if (LM75_PowerOn (LM75_Driver, ENABLE)) //error, sensor not exist, kill driver
free(LM75_Driver);
Do you mean allocating memory such as ROM, EPROM, setting micro controller clock frequency are called as Firmware?No, firmware is the resident program running on the microcontroller, whereas device drivers are distinct parts of the code designed to handle specific physical devices of the board or even built in on the chip itselt.