9,112 → 9,9 |
#define MPL3115_ADDR_R 0xC1 //addresa pro cteni |
#define MPL3115_ADDR_W 0xC0 |
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#include "../MPL3115.h" |
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void mpl3115_setA (void) //nastavení pro výku |
{ |
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i2c_start(); //STANDBY mode |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x26); |
I2C_write(0xB8); |
i2c_stop(); |
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i2c_start(); //PT_DATA_CFG set |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x13); |
I2C_write(0x07); //hodnota |
i2c_stop(); |
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i2c_start(); //ACTIVE mode |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x26); |
I2C_write(0xB9); |
i2c_stop(); |
} |
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void mpl3115_setP (void) //nastavení pro tlak |
{ |
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i2c_start(); //STANDBY mode |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x26); |
I2C_write(0xB8); |
i2c_stop(); |
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i2c_start(); //PT_DATA_CFG set |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x13); |
I2C_write(0x07); //hodnota |
i2c_stop(); |
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i2c_start(); //ACTIVE mode |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(0x26); |
I2C_write(0x39); |
i2c_stop(); |
} |
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byte mpl3115_read (byte reg) |
{ |
byte i; |
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i2c_start(); |
I2C_Write(MPL3115_ADDR_W); |
I2C_write(reg); |
i2c_start(); |
I2C_Write(MPL3115_ADDR_R); |
i=i2c_read(0); |
i2c_stop(); |
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return i; |
} |
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float mpl3115_T (void) //teplota ve stupnich |
{ |
int m; |
float l, t; |
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m = mpl3115_read (0x04); |
l = (float)(mpl3115_read(0x05)>>4)/16.0; |
t = (float)(M + L); |
return t; |
} |
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float mpl3115_A (void) //vyska v m |
{ |
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int16 m, c; |
float l, a; |
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m = mpl3115_read (0x01); |
c = mpl3115_read (0x02); |
l = (float)(mpl3115_read(0x03)>>4)/16.0; |
a = (float)((m << 8)|c) + l; |
return a; |
} |
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float mpl3115_P (void) //tlak v Pa |
{ |
unsigned int32 m; |
unsigned int16 c; |
unsigned int l; |
float p, l1; |
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m = mpl3115_read (0x01); |
c = mpl3115_read (0x02); |
l = mpl3115_read(0x03); |
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l1= (float)(l>>4)/4.0; |
p = (float)((m << 10)|(c<<2)|(l>>6)) + l1; |
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return p; |
} |
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void main() |
{ |
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