--- /dev/null
+// Copyright (c) 2018, Tobias Mueller tm(at)tm3d.de\r
+// All rights reserved.\r
+//\r
+// Redistribution and use in source and binary forms, with or without\r
+// modification, are permitted provided that the following conditions are\r
+// met:\r
+//\r
+// * Redistributions of source code must retain the above copyright\r
+// notice, this list of conditions and the following disclaimer.\r
+// * Redistributions in binary form must reproduce the above copyright\r
+// notice, this list of conditions and the following disclaimer in the\r
+// documentation and/or other materials provided with the\r
+// distribution.\r
+// * All advertising materials mentioning features or use of this\r
+// software must display the following acknowledgement: This product\r
+// includes software developed by tm3d.de and its contributors.\r
+// * Neither the name of tm3d.de nor the names of its contributors may\r
+// be used to endorse or promote products derived from this software\r
+// without specific prior written permission.\r
+//\r
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+//---------- Includes ----------------------------------------------------------\r
+#define F_CPU 8000000UL\r
+#include <avr/io.h>\r
+#include <avr/interrupt.h>\r
+#include <util/delay.h>\r
+#include <avr/wdt.h>\r
+#include <avr/sleep.h>\r
+#include "USI_TWI_Master.h"\r
+#include "LPS225HB.h"\r
+typedef enum{\r
+ I2C_ADR_W = 0b10111000, // sensor I2C address + write bit //ADR=VDD\r
+ I2C_ADR_R = 0b10111001 // sensor I2C address + read bit\r
+}etI2cHeader;\r
+\r
+uint8_t LPS225HB_Init() {\r
+ volatile uint8_t error=0;\r
+ /*I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_W); // I2C Adr\r
+ error |= I2c_WriteByte (0x02); // Config\r
+ error |= I2c_WriteByte (0x0); // 14 bit\r
+ error |= I2c_WriteByte (0x0); // \r
+ I2c_StopCondition();*/\r
+\r
+\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_W); // I2C Adr\r
+ error |= I2c_WriteByte (0x11); //\r
+ //error |= I2c_WriteByte (0b01110001); //\r
+ error |= I2c_WriteByte (0b00010100); //\r
+ I2c_StopCondition();\r
+ return error;\r
+\r
+}\r
+\r
+uint8_t LPS225HB_Readf(double * temperature, double * pressure) { \r
+ int16_t t;\r
+ uint32_t p;\r
+ uint8_t error=0;\r
+ error= LPS225HB_Readi(&t,&p);\r
+ *temperature=(double)t/100.0;\r
+ *pressure=(double)p/4096.0;\r
+ return error;\r
+\r
+}\r
+uint8_t readReg(uint8_t reg) {\r
+ volatile uint8_t error=0;\r
+ uint8_t ret;\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_W); // I2C Adr\r
+ error |= I2c_WriteByte (reg); //\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_R); //I2C address\r
+ ret= I2c_ReadByte(NO_ACK);\r
+ I2c_StopCondition();\r
+ return ret;\r
+}\r
+\r
+uint8_t LPS225HB_Readi(int16_t * temperature, uint32_t * pressure) {\r
+ volatile uint8_t error=0;\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_W); // I2C Adr\r
+ error |= I2c_WriteByte (0x11); //\r
+ //error |= I2c_WriteByte (0b00000001); //\r
+ error |= I2c_WriteByte (0b01010001); //\r
+ I2c_StopCondition();\r
+ _delay_ms(1000);\r
+// uint16_t status=0;\r
+// status=readReg(0x27);\r
+// status|=readReg(0x26)<<8;\r
+// *pressure=0;\r
+// *pressure|= readReg(0x28);\r
+// *pressure|= ((uint32_t)readReg(0x29))<<8;\r
+// *pressure|= ((uint32_t)readReg(0x2A))<<16;\r
+\r
+\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_W); // I2C Adr\r
+ error |= I2c_WriteByte (0x28); //\r
+ I2c_StartCondition();\r
+ error |= I2c_WriteByte (I2C_ADR_R); //I2C address\r
+// status= I2c_ReadByte(ACK)<<8;\r
+// status|= I2c_ReadByte(ACK);\r
+\r
+\r
+ *pressure=0;\r
+ *pressure|= I2c_ReadByte(ACK);\r
+ *pressure|= ((uint32_t)I2c_ReadByte(ACK))<<8;\r
+ *pressure|= ((uint32_t)I2c_ReadByte(ACK))<<16;\r
+ *temperature=0;\r
+ *temperature |= I2c_ReadByte(ACK);\r
+ *temperature |= ((int16_t)I2c_ReadByte(NO_ACK)<<8); \r
+ I2c_StopCondition();\r
+ //*temperature=status;\r
+\r
+ return error;\r
+ }\r
+\r