frederic blanc
test MAX31850
Revision 4:031e71e61e80, committed 2016-09-28
- Comitter:
- fblanc
- Date:
- Wed Sep 28 06:46:10 2016 +0000
- Parent:
- 3:b4277f7c538e
- Commit message:
- test
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OneWire.lib Wed Sep 28 06:46:10 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/fblanc/code/OneWireFB/#9acbbb021a43
--- a/OneWire/DS18X20.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,350 +0,0 @@
-/**
-* @file DS18x20.c
-* @brief library of DS18X20 1-Wire digital thermometer (http://www.maxim-ic.com/datasheet/index.mvp/id/2812)
-* @author Maciej Rajtar (Published 10 May 2010 www.mbed.org)
-* @author Frederic BLANC (Published 01/03/2012 www.mbed.org)
-*/
-#include "mbed.h"
-#include "onewire.h"
-#include "DS18X20.h"
-#include "crc8.h"
-#include "utils.h"
-//**********************************************************************************************************
-//* DS18X20_show_temp
-//**********************************************************************************************************
-
-/**
-* @brief DS18X20_show_temp
-* @param [in] id[] = rom_code
-* @param [in] n number of id[n]
-* @param [out] text temp in degre celsius
-
-* @date 20/06/2011
-*/
-void DS18X20_show_temp(uint8_t subzero, uint8_t cel, uint8_t cel_frac_bits,char *text) {
- uint16_t decicelsius;
- char s[10];
- float temperature;
- sprintf(text,"");
- sprintf(s,"%s", (subzero)?"-":"");
- strcat(text,s);
- decicelsius = DS18X20_temp_to_decicel(subzero, cel, cel_frac_bits);
- temperature = decicelsius;
- temperature = temperature/10;
- sprintf(s,"%4.1f", temperature);
- strcat(text,s);
-
-}
-/**
-* @brief DS18X20_show_temp
-* @param [in] id[] = rom_code
-* @param [in] n number of id[n]
-* @return temp in degre celsius
-
-* @date 21/10/2011
-*/
-float DS18X20_temp(uint8_t subzero, uint8_t cel, uint8_t cel_frac_bits) {
- return ((subzero)?-1:1)*DS18X20_temp_to_decicel(subzero, cel, cel_frac_bits)/10;
-}
-//**********************************************************************************************************
-//* DS18X20_get_power_status
-//**********************************************************************************************************
-
-/**
-* @brief get power status of DS18x20
-* @param [in] id[] = rom_code
-* @return DS18X20_POWER_EXTERN or DS18X20_POWER_PARASITE
-* @date 20/06/2011
-*/
-uint8_t DS18X20_get_power_status(uint8_t id[]) {
- uint8_t pstat;
- ow_reset();
- ow_command(DS18X20_READ_POWER_SUPPLY, id);
- pstat=ow_bit_io(1); // pstat 0=is parasite/ !=0 ext. powered
- ow_reset();
- return (pstat) ? DS18X20_POWER_EXTERN:DS18X20_POWER_PARASITE;
-}
-
-/**
-* @brief get power status of DS18x20
-* @param [in] n num bus onewire
-* @param [in] id[] = rom_code
-* @return DS18X20_POWER_EXTERN or DS18X20_POWER_PARASITE
-* @date 6/09/2011
-*/
-uint8_t DS18X20_get_power_status(uint8_t n,uint8_t id[]) {
- uint8_t pstat;
- ow_reset(n);
- ow_command(n,DS18X20_READ_POWER_SUPPLY, id);
- pstat=ow_bit_io(n,1); // pstat 0=is parasite/ !=0 ext. powered
- ow_reset(n);
- return (pstat) ? DS18X20_POWER_EXTERN:DS18X20_POWER_PARASITE;
-}
-//**********************************************************************************************************
-//* DS18X20_start_meas
-//**********************************************************************************************************
-/**
-* @brief reads temperature (scratchpad) of sensor with rom-code id
- output: subzero==1 if temp.<0, cel: full celsius, mcel: frac
- in millicelsius*0.1
- i.e.: subzero=1, cel=18, millicel=5000 = -18,5000�C
-* @param [in] n num bus onewire
-* @param [in] id[] = rom_code
-* @param [out] temperature
-* @return DS18X20_OK or DS18X20_ERROR_CRC
-* @date 07/12/2012
-*/
-uint8_t DS18X20_read_meas(uint8_t n,uint8_t id[], float* temperature) {
- uint8_t i;
- uint8_t sp[DS18X20_SP_SIZE];
- uint8_t subzero;
- uint8_t cel;
- uint8_t cel_frac_bits;
-
- ow_reset(n);
- ow_command(n,DS18X20_READ, id);
- for ( i=0 ; i< DS18X20_SP_SIZE; i++ )
- sp[i]=ow_byte_rd(n);
- if ( crc8( &sp[0], DS18X20_SP_SIZE ) ){
- if ((sp[DS18X20_SP_SIZE-1]==0xFF) && (sp[DS18X20_SP_SIZE-2]==0xFF))
- return OW_ERROR; // bus error
- return DS18X20_ERROR_CRC; // data error
- }
-
- DS18X20_meas_to_cel(id[0], sp, &subzero, &cel, &cel_frac_bits);
- *temperature = cel_frac_bits*.0625;
- *temperature += cel;
- if (subzero)
- *temperature *= -1;
- return DS18X20_OK;
-}
-/**
-* @brief start measurement (CONVERT_T) for all sensors if input id==NULL
- or for single sensor. then id is the rom-code
-* @param [in] with_power_extern
-* @param [in] rom_code
-* @return DS18X20_OK or DS18X20_START_FAIL
-* @date 20/06/2011
-*/
-uint8_t DS18X20_start_meas( uint8_t with_power_extern, uint8_t id[]) {
- ow_reset(); //**
- if ( ow_test_pin() ) { // only send if bus is "idle" = high
- ow_command( DS18X20_CONVERT_T, id );
- if (with_power_extern != DS18X20_POWER_EXTERN)
- ow_parasite_enable();
- return DS18X20_OK;
- }
- return DS18X20_START_FAIL;
-
-}
-/**
-* @brief start measurement (CONVERT_T) for all sensors if input id==NULL
- or for single sensor. then id is the rom-code
-* @param [in] n num bus onewire
-* @param [in] with_power_extern
-* @param [in] rom_code
-* @return DS18X20_OK or DS18X20_START_FAIL
-* @date 06/09/2011
-*/
-uint8_t DS18X20_start_meas(uint8_t n, uint8_t with_power_extern, uint8_t id[]) {
- ow_reset(n); //**
- if ( ow_test_pin(n) ) { // only send if bus is "idle" = high
- ow_command(n, DS18X20_CONVERT_T, id );
- if (with_power_extern != DS18X20_POWER_EXTERN)
- ow_parasite_enable(n);
- return DS18X20_OK;
- }
- return DS18X20_START_FAIL;
-
-}
-//**********************************************************************************************************
-//* DS18X20_read_meas
-//**********************************************************************************************************
-
-/**
-* @brief reads temperature (scratchpad) of sensor with rom-code id
- output: subzero==1 if temp.<0, cel: full celsius, mcel: frac
- in millicelsius*0.1
- i.e.: subzero=1, cel=18, millicel=5000 = -18,5000�C
-* @param [in] id[] = rom_code
-* @param [out] subzero
-* @param [out] cel
-* @param [out] cel_frac_bits
-* @return DS18X20_OK or DS18X20_ERROR_CRC
-* @date 20/06/2011
-*/
-uint8_t DS18X20_read_meas(uint8_t id[], uint8_t *subzero,
- uint8_t *cel, uint8_t *cel_frac_bits) {
- uint8_t i;
- uint8_t sp[DS18X20_SP_SIZE];
-
- ow_reset();
- ow_command(DS18X20_READ, id);
- for ( i=0 ; i< DS18X20_SP_SIZE; i++ )
- sp[i]=ow_byte_rd();
- if ( crc8( &sp[0], DS18X20_SP_SIZE ) ){
- if ((sp[DS18X20_SP_SIZE-1]==0xFF) && (sp[DS18X20_SP_SIZE-2]==0xFF))
- return OW_ERROR; // bus error
- return DS18X20_ERROR_CRC; // data error
- }
-
- DS18X20_meas_to_cel(id[0], sp, subzero, cel, cel_frac_bits);
- return DS18X20_OK;
-}
-/**
-* @brief reads temperature (scratchpad) of sensor with rom-code id
- output: subzero==1 if temp.<0, cel: full celsius, mcel: frac
- in millicelsius*0.1
- i.e.: subzero=1, cel=18, millicel=5000 = -18,5000�C
-* @param [in] n num bus onewire
-* @param [in] id[] = rom_code
-* @param [out] subzero
-* @param [out] cel
-* @param [out] cel_frac_bits
-* @return DS18X20_OK or DS18X20_ERROR_CRC
-* @date 06/09/2011
-*/
-uint8_t DS18X20_read_meas(uint8_t n,uint8_t id[], uint8_t *subzero,
- uint8_t *cel, uint8_t *cel_frac_bits) {
- uint8_t i;
- uint8_t sp[DS18X20_SP_SIZE];
-
- ow_reset(n);
- ow_command(n,DS18X20_READ, id);
- for ( i=0 ; i< DS18X20_SP_SIZE; i++ )
- sp[i]=ow_byte_rd(n);
- if ( crc8( &sp[0], DS18X20_SP_SIZE ) ){
- if ((sp[DS18X20_SP_SIZE-1]==0xFF) && (sp[DS18X20_SP_SIZE-2]==0xFF))
- return OW_ERROR; // bus error
- return DS18X20_ERROR_CRC; // data error
- }
-
- DS18X20_meas_to_cel(id[0], sp, subzero, cel, cel_frac_bits);
- return DS18X20_OK;
-}
-/**
-* @brief convert raw value from DS18x20 to Celsius
- input is:
- - familycode fc (0x10/0x28 see header)
- - scratchpad-buffer
- output is:
- - cel full celsius
- - fractions of celsius in millicelsius*(10^-1)/625 (the 4 LS-Bits)
- - subzero =0 positiv / 1 negativ
- always returns DS18X20_OK
- TODO invalid-values detection (but should be covered by CRC)
-* @param [in] fc
-* @param [in] sp
-* @param [out] subzero
-* @param [out] cel
-* @param [out] cel_frac_bits
-* @return DS18X20_OK
-* @date 20/06/2011
-*/
-uint8_t DS18X20_meas_to_cel( uint8_t fc, uint8_t *sp,
- uint8_t* subzero, uint8_t* cel, uint8_t* cel_frac_bits) {
- uint16_t meas;
- uint8_t i;
-
- meas = sp[0]; // LSB
- meas |= ((uint16_t)sp[1])<<8; // MSB
- //meas = 0xff5e; meas = 0xfe6f;
-
- // only work on 12bit-base
- if ( fc == DS18S20_ID ) { // 9 -> 12 bit if 18S20
- /* Extended measurements for DS18S20 contributed by Carsten Foss */
- meas &= (uint16_t) 0xfffe; // Discard LSB , needed for later extended precicion calc
- meas <<= 3; // Convert to 12-bit , now degrees are in 1/16 degrees units
- meas += (16 - sp[6]) - 4; // Add the compensation , and remember to subtract 0.25 degree (4/16)
- }
-
- // check for negative
- if ( meas & 0x8000 ) {
- *subzero=1; // mark negative
- meas ^= 0xffff; // convert to positive => (twos complement)++
- meas++;
- } else *subzero=0;
-
- // clear undefined bits for B != 12bit
- if ( fc == DS18B20_ID ) { // check resolution 18B20
- i = sp[DS18B20_CONF_REG];
- if ( (i & DS18B20_12_BIT) == DS18B20_12_BIT ) ;
- else if ( (i & DS18B20_11_BIT) == DS18B20_11_BIT )
- meas &= ~(DS18B20_11_BIT_UNDF);
- else if ( (i & DS18B20_10_BIT) == DS18B20_10_BIT )
- meas &= ~(DS18B20_10_BIT_UNDF);
- else { // if ( (i & DS18B20_9_BIT) == DS18B20_9_BIT ) {
- meas &= ~(DS18B20_9_BIT_UNDF);
- }
- }
-
- *cel = (uint8_t)(meas >> 4);
- *cel_frac_bits = (uint8_t)(meas & 0x000F);
-
- return DS18X20_OK;
-}
-
-/**
-* @brief converts to decicelsius
- input is ouput from meas_to_cel
- i.e.: sz=0, c=28, frac=15 returns 289 (=28.9�C)
-0 0 0
-1 625 625 1
-2 1250 250
-3 1875 875 3
-4 2500 500 4
-5 3125 125
-6 3750 750 6
-7 4375 375
-8 5000 0
-9 5625 625 9
-10 6250 250
-11 6875 875 11
-12 7500 500 12
-13 8125 125
-14 8750 750 14
-15 9375 375
-* @param [in] subzero
-* @param [in] cel
-* @param [in] cel_frac_bits
-* @return absolute value of temperatur in decicelsius
-* @date 20/06/2011
-*/
-uint16_t DS18X20_temp_to_decicel(uint8_t subzero, uint8_t cel,
- uint8_t cel_frac_bits) {
- uint16_t h;
- uint8_t i;
- uint8_t need_rounding[] = { 1, 3, 4, 6, 9, 11, 12, 14 };
-
- h = cel_frac_bits*DS18X20_FRACCONV/1000;
- h += cel*10;
- if (!subzero) {
- for (i=0; i<sizeof(need_rounding); i++) {
- if ( cel_frac_bits == need_rounding[i] ) {
- h++;
- break;
- }
- }
- }
- return h;
-}
-/**
-* @brief compare temperature values (full celsius only)
-* @param [in] subzero1
-* @param [in] cel1
-* @param [in] subzero2
-* @param [in] cel2
-* @return -1 if param-pair1 < param-pair2
- 0 if ==
- 1 if >
-* @date 20/06/2011
-*/
-int8_t DS18X20_temp_cmp(uint8_t subzero1, uint16_t cel1,
- uint8_t subzero2, uint16_t cel2) {
- int16_t t1 = (subzero1) ? (cel1*(-1)) : (cel1);
- int16_t t2 = (subzero2) ? (cel2*(-1)) : (cel2);
-
- if (t1<t2) return -1;
- if (t1>t2) return 1;
- return 0;
-}
\ No newline at end of file
--- a/OneWire/DS18X20.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,66 +0,0 @@ -/* DS18X20 specific values (see datasheet www.maxim-ic.com/datasheet/index.mvp/id/2812) */ -#ifndef _DS18X20_ -#define _DS18X20_ -#define DS18S20_ID 0x10 -#define DS18B20_ID 0x28 - -#define DS18X20_POWER_PARASITE 0x00 -#define DS18X20_POWER_EXTERN 0x01 -#define DS18X20_CONVERT_T 0x44 -#define DS18X20_READ 0xBE -#define DS18X20_WRITE 0x4E -#define DS18X20_EE_WRITE 0x48 -#define DS18X20_EE_RECALL 0xB8 -#define DS18X20_READ_POWER_SUPPLY 0xB4 - -#define DS18X20_OK 0x00 -#define DS18X20_ERROR 0x01 -#define DS18X20_START_FAIL 0x02 -#define DS18X20_ERROR_CRC 0x03 - -#define DS18B20_CONF_REG 4 -#define DS18B20_9_BIT 0 -#define DS18B20_10_BIT (1<<5) -#define DS18B20_11_BIT (1<<6) -#define DS18B20_12_BIT ((1<<6)|(1<<5)) - -// indefined bits in LSB if 18B20 != 12bit -#define DS18B20_9_BIT_UNDF ((1<<0)|(1<<1)|(1<<2)) -#define DS18B20_10_BIT_UNDF ((1<<0)|(1<<1)) -#define DS18B20_11_BIT_UNDF ((1<<0)) -#define DS18B20_12_BIT_UNDF 0 - -// conversion times in ms -#define DS18B20_TCONV_12BIT 750 -#define DS18B20_TCONV_11BIT DS18B20_TCONV_12_BIT/2 -#define DS18B20_TCONV_10BIT DS18B20_TCONV_12_BIT/4 -#define DS18B20_TCONV_9BIT DS18B20_TCONV_12_BIT/8 -#define DS18S20_TCONV DS18B20_TCONV_12_BIT - -// constant to convert the fraction bits to cel*(10^-4) -#define DS18X20_FRACCONV 625 - -#define DS18X20_SP_SIZE 9 - -// DS18X20 EEPROM-Support -#define DS18X20_WRITE_SCRATCHPAD 0x4E -#define DS18X20_COPY_SCRATCHPAD 0x48 -#define DS18X20_RECALL_E2 0xB8 -#define DS18X20_COPYSP_DELAY 10 /* ms */ -#define DS18X20_TH_REG 2 -#define DS18X20_TL_REG 3 - -void DS18X20_show_temp(uint8_t subzero, uint8_t cel, uint8_t cel_frac_bits,char *text); -float DS18X20_temp(uint8_t subzero, uint8_t cel, uint8_t cel_frac_bits); -uint8_t DS18X20_get_power_status(uint8_t id[]); -uint8_t DS18X20_get_power_status(uint8_t n,uint8_t id[]); -uint8_t DS18X20_start_meas( uint8_t with_external, uint8_t id[]); -uint8_t DS18X20_start_meas(uint8_t n, uint8_t with_external, uint8_t id[]); -uint8_t DS18X20_read_meas(uint8_t id[], uint8_t *subzero, uint8_t *cel, uint8_t *cel_frac_bits); -uint8_t DS18X20_read_meas(uint8_t n, uint8_t id[], uint8_t *subzero, uint8_t *cel, uint8_t *cel_frac_bits); -uint8_t DS18X20_read_meas_single(uint8_t familycode, uint8_t *subzero, uint8_t *cel, uint8_t *cel_frac_bits); -uint8_t DS18X20_meas_to_cel( uint8_t fc, uint8_t *sp, uint8_t* subzero, uint8_t* cel, uint8_t* cel_frac_bits); -uint8_t DS18X20_read_meas(uint8_t n,uint8_t id[], float* temperature); -uint16_t DS18X20_temp_to_decicel(uint8_t subzero, uint8_t cel, uint8_t cel_frac_bits); -int8_t DS18X20_temp_cmp(uint8_t subzero1, uint16_t cel1, uint8_t subzero2, uint16_t cel2); -#endif \ No newline at end of file
--- a/OneWire/DS2450.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,464 +0,0 @@
-/**
-* @file DS2450.c
-* @brief library of DS2450 1-Wire Quad A/D Converter (http://www.maxim-ic.com/datasheet/index.mvp/id/2921)
-* @author Frederic BLANC (Published 01/03/2012 www.mbed.org)
-*/
-#include "mbed.h"
-#include "onewire.h"
-#include "DS2450.h"
-#include "crc8.h"
-#include "crc16.h"
-#include "utils.h"
-//**********************************************************************************************************
-//* DS2450_read_ADC
-//**********************************************************************************************************
-
-/**
- * @brief lancement lecture DS2450 ADC
- * @param [in] id[] tableau d'identifiant OW
- * @param [out] adc[] tableau des valeurs des adc
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_read_ADC(uint8_t id[], uint16_t adc[]) {
- uint8_t i,j;
- uint8_t error;
- uint8_t sp[DS2450_SP_SIZE];
- //waiting for convertion time ( nbchannel x resolution x 80�s +160�s)
-
- error=DS2450_read_page(&id[0],DS2450_PAGE0,&sp[0]); //read data
- if (error)
- return error;
- j=0;
- for (i=0;i<8;i+=2)
- adc[j++]=uint8_to_uint16(sp[i+3],sp[i+4]); //sp[i+3] LSB ,sp[i+4] MSB
- return OW_OK;
-}
-
-
-/**
- * @brief lancement lecture DS2450 ADC
- * @param [in] n num bus onewire
- * @param [in] id[] tableau d'identifiant OW
- * @param [out] adc[] tableau des valeurs des adc
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 07/09/2011
- *
- */
-uint8_t DS2450_read_ADC(uint8_t n,uint8_t id[], uint16_t adc[]) {
- uint8_t i,j;
- uint8_t error;
- uint8_t sp[DS2450_SP_SIZE];
- //waiting for convertion time ( nbchannel x resolution x 80�s +160�s)
-
- error=DS2450_read_page(n,&id[0],DS2450_PAGE0,&sp[0]); //read data
- if (error)
- return error;
- j=0;
- for (i=0;i<8;i+=2)
- adc[j++]=uint8_to_uint16(sp[i+3],sp[i+4]); //sp[i+3] LSB ,sp[i+4] MSB
- return OW_OK;
-}
-//**********************************************************************************************************
-//* DS2450_start_and_read_ADC
-//**********************************************************************************************************
-
-/**
- * @brief lancement & lecture DS2450 ADC
- * @param [in] id[] tableau d'identifiant OW
- * @param [out] adc[] tableau des valeurs des adc
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_start_and_read_ADC(uint8_t id[], uint16_t adc[]) {
- uint8_t i,j;
- uint8_t error;
- uint8_t sp[DS2450_SP_SIZE];
-
- error=DS2450_convert(&id[0],0x0F,0x00); //start convert
- if (error)
- return error;
-
- wait_ms(15); //waiting for convertion time ( nbchannel x resolution x 80�s +160�s)
-
- error=DS2450_read_page(&id[0],DS2450_PAGE0,&sp[0]); //read data
- if (error)
- return error;
-
- j=0;
- for (i=0;i<8;i+=2)
- adc[j++]=uint8_to_uint16(sp[i+3],sp[i+4]); //sp[i+3] LSB ,sp[i+4] MSB
- return OW_OK;
-}
-
-/**
- * @brief lancement & lecture DS2450 ADC
- * @param [in] n num bus onewire
- * @param [in] id[] tableau d'identifiant OW
- * @param [out] adc[] tableau des valeurs des adc
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 07/09/2011
- *
- */
-uint8_t DS2450_start_and_read_ADC(uint8_t n,uint8_t id[], uint16_t adc[]) {
- uint8_t i,j;
- uint8_t error;
- uint8_t sp[DS2450_SP_SIZE];
-
- error=DS2450_convert(n,&id[0],0x0F,0x00); //start convert
- if (error)
- return error;
-
- wait_ms(15); //waiting for convertion time ( nbchannel x resolution x 80�s +160�s)
-
- error=DS2450_read_page(n,&id[0],DS2450_PAGE0,&sp[0]); //read data
- if (error)
- return error;
-
- j=0;
- for (i=0;i<8;i+=2)
- adc[j++]=uint8_to_uint16(sp[i+3],sp[i+4]); //sp[i+3] LSB ,sp[i+4] MSB
- return OW_OK;
-}
-
-//**********************************************************************************************************
-//* DS2450_read_page
-//**********************************************************************************************************
-
-/**
- * @brief lancement lecture page DS2450 ADC
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] adresse de la page a lire
- * @param [out] uint16_t sp tableau des valeurs de la page
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_read_page(uint8_t id[], uint8_t adresse,
- uint8_t *sp) {
- uint8_t i;
- if (id[0] == DS2450_ID) {
- if (ow_reset()) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_READ_MEMORY; // command
- sp[1]=adresse; //adress page LSB
- sp[2]=0; //adress page MSB
- ow_command(sp[0], &id[0]);
- ow_byte_wr(sp[1]);
- ow_byte_wr(sp[2]);
-
- for ( i=3 ; i< DS2450_SP_SIZE; i++ ) { //read 8xdata + CRC16
- sp[i]=ow_byte_rd();
- }
-
- if (ctrl_crc16( &sp[0], DS2450_SP_SIZE ) ) { //CRC16 (command+adress page LSB+adress page MSB+8xdata)
- wait_ms(100); //wait 100ms if error
- if ((sp[DS2450_SP_SIZE-1]==0xFF) && (sp[DS2450_SP_SIZE-2]==0xFF))
- return OW_ERROR; // bus error
- if ((sp[DS2450_SP_SIZE-1]==0x00) && (sp[DS2450_SP_SIZE-2]==0x00))
- return OW_BUSY;
-
- return OW_ERROR_CRC; // data error
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-/**
- * @brief lancement lecture page DS2450 ADC
- * @param [in] n num bus onewire
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] adresse de la page a lire
- * @param [out] sp tableau des valeurs de la page
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 07/09/2011
- *
- */
-uint8_t DS2450_read_page(uint8_t n,uint8_t id[], uint8_t adresse,
- uint8_t *sp) {
- uint8_t i;
- if (id[0] == DS2450_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_READ_MEMORY; // command
- sp[1]=adresse; //adress page LSB
- sp[2]=0; //adress page MSB
- ow_command(n,sp[0], &id[0]);
- ow_byte_wr(n,sp[1]);
- ow_byte_wr(n,sp[2]);
-
- for ( i=3 ; i< DS2450_SP_SIZE; i++ ) { //read 8xdata + CRC16
- sp[i]=ow_byte_rd(n);
- }
-
- if (ctrl_crc16( &sp[0], DS2450_SP_SIZE ) ) { //CRC16 (command+adress page LSB+adress page MSB+8xdata)
- wait_ms(100); //wait 100ms if error
- if ((sp[DS2450_SP_SIZE-1]==0xFF) && (sp[DS2450_SP_SIZE-2]==0xFF))
- return OW_ERROR; // bus error
- if ((sp[DS2450_SP_SIZE-1]==0x00) && (sp[DS2450_SP_SIZE-2]==0x00))
- return OW_BUSY;
-
- return OW_ERROR_CRC; // data error
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-//**********************************************************************************************************
-//* DS2450_convert
-//**********************************************************************************************************
-
-/**
- * @brief lancement convertion DS2450 ADC
- * @param [in] uint8_t id[] tableau d'identifiant OW
- * @param [in] uint8_t input_select_mask
- * @param [in] uint8_t read_out_control
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_convert(uint8_t id[], uint8_t input_select_mask,uint8_t read_out_control) {
- uint8_t i;
- uint8_t sp[5];
- if (id[0] == DS2450_ID) {
- if (ow_reset()) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_CONVERT; // command
- sp[1]=input_select_mask; //mask
- sp[2]=read_out_control; //control
- ow_command(sp[0], &id[0]);
- ow_byte_wr(sp[1]);
- ow_byte_wr(sp[2]);
- for ( i=3 ; i< 5; i++ ) { // read CRC16
- sp[i]=ow_byte_rd();
- }
-
- if (ctrl_crc16( &sp[0], 5 ) ) { //CRC16 (command+mask LSB+control)
- if ((sp[3]==0xFF) && (sp[3]==0xFF))
- return OW_ERROR;
- return OW_ERROR_CRC;
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-/**
- * @brief lancement convertion DS2450 ADC
- * @param [in] n num bus onewire
- * @param [in] uint8_t id[] tableau d'identifiant OW
- * @param [in] uint8_t input_select_mask
- * @param [in] uint8_t read_out_control
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 07/09/2011
- *
- */
-uint8_t DS2450_convert(uint8_t n,uint8_t id[], uint8_t input_select_mask,uint8_t read_out_control) {
- uint8_t i;
- uint8_t sp[5];
- if (id[0] == DS2450_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_CONVERT; // command
- sp[1]=input_select_mask; //mask
- sp[2]=read_out_control; //control
- ow_command(n,sp[0], &id[0]);
- ow_byte_wr(n,sp[1]);
- ow_byte_wr(n,sp[2]);
- for ( i=3 ; i< 5; i++ ) { // read CRC16
- sp[i]=ow_byte_rd(n);
- }
-
- if (ctrl_crc16( &sp[0], 5 ) ) { //CRC16 (command+mask LSB+control)
- if ((sp[3]==0xFF) && (sp[3]==0xFF))
- return OW_ERROR;
- return OW_ERROR_CRC;
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-
-//**********************************************************************************************************
-//* DS2450_configure_channel_ADC
-//**********************************************************************************************************
-
-/**
- * @brief configure canal ADC DS2450
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] channel
- * @param [in] conflsb configuration OE-A OC-A 0 0 RC3-A RC2-A RC1-A RC0-A
- * @param [in] confmsb configuration POR 0 AFH-A AFL-A AEH-A AEL-A 0 IR-A
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_configure_channel_ADC(uint8_t id[],uint8_t channel,uint8_t conflsb,uint8_t confmsb) {
- uint8_t i;
- uint8_t sp[7];
- if (id[0] == DS2450_ID) {
- if (ow_reset()) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_WRITE_MEMORY; // command
- sp[1]=DS2450_PAGE1+channel; //adress page LSB
- sp[2]=0x00; //adress page MSB
- sp[3]=conflsb; //databyte
- ow_command(sp[0], &id[0]);
- ow_byte_wr(sp[1]);
- ow_byte_wr(sp[2]);
- ow_byte_wr(sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd();
- }
-
- if (ctrl_crc16( &sp[0], 6 ) ) //CRC16 (command+adress page LSB+adress page MSB+databyte)
- return OW_ERROR_CRC;
- sp[3]=confmsb; //databyte
- ow_byte_wr(sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd();
- }
-
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-/**
- * @brief configure canal ADC DS2450
- * @param [in] n num bus onewire
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] channel
- * @param [in] conflsb configuration OE-A OC-A 0 0 RC3-A RC2-A RC1-A RC0-A
- * @param [in] confmsb configuration POR 0 AFH-A AFL-A AEH-A AEL-A 0 IR-A
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_configure_channel_ADC(uint8_t n,uint8_t id[],uint8_t channel,uint8_t conflsb,uint8_t confmsb) {
- uint8_t i;
- uint8_t sp[7];
- if (id[0] == DS2450_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_WRITE_MEMORY; // command
- sp[1]=DS2450_PAGE1+channel; //adress page LSB
- sp[2]=0x00; //adress page MSB
- sp[3]=conflsb; //databyte
- ow_command(n,sp[0], &id[0]);
- ow_byte_wr(n,sp[1]);
- ow_byte_wr(n,sp[2]);
- ow_byte_wr(n,sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd(n);
- }
-
- if (ctrl_crc16( &sp[0], 6 ) ) //CRC16 (command+adress page LSB+adress page MSB+databyte)
- return OW_ERROR_CRC;
- sp[3]=confmsb; //databyte
- ow_byte_wr(n,sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd(n);
- }
-
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-//**********************************************************************************************************
-//* DS2450_configure_channel_ADC
-//**********************************************************************************************************
-
-/**
- * @brief configure PAGE
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] uint8_t adresse de la page a ecrire
- * @param [in] config_page tableau de 8 byte
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 20/06/2011
- *
- */
-uint8_t DS2450_configure_page(uint8_t id[], uint8_t adresse,uint8_t configpage[]) {
- uint8_t i,j;
- uint8_t sp[7];
- if (id[0] == DS2450_ID) {
- if (ow_reset()) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_WRITE_MEMORY; // command
- sp[1]=adresse; //adress page LSB
- sp[2]=0x00; //adress page MSB
- sp[3]=configpage[0]; //databyte
- ow_command(sp[0], &id[0]);
- ow_byte_wr(sp[1]);
- ow_byte_wr(sp[2]);
- ow_byte_wr(sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd();
- }
-
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
-
- for ( j=1 ; j< 7; j++ ) {
- sp[3]=configpage[j]; //databyte
- ow_byte_wr(sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd();
- }
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
-
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-/**
- * @brief configure PAGE
- * @param [in] n num bus onewire
- * @param [in] id[] tableau d'identifiant OW
- * @param [in] uint8_t adresse de la page a ecrire
- * @param [in] config_page tableau de 8 byte
- * @return OW_OK si erreur retourne OW_ERROR_CRC
- * @date 07/09/2011
- *
- */
-uint8_t DS2450_configure_page(uint8_t n,uint8_t id[], uint8_t adresse,uint8_t configpage[]) {
- uint8_t i,j;
- uint8_t sp[7];
- if (id[0] == DS2450_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=DS2450_WRITE_MEMORY; // command
- sp[1]=adresse; //adress page LSB
- sp[2]=0x00; //adress page MSB
- sp[3]=configpage[0]; //databyte
- ow_command(n,sp[0], &id[0]);
- ow_byte_wr(n,sp[1]);
- ow_byte_wr(n,sp[2]);
- ow_byte_wr(n,sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd(n);
- }
-
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
-
- for ( j=1 ; j< 7; j++ ) {
- sp[3]=configpage[j]; //databyte
- ow_byte_wr(n,sp[3]);
- for ( i=4 ; i< 7; i++ ) { //read CRC16+databyte
- sp[i]=ow_byte_rd(n);
- }
- if (sp[3]!=sp[6] ) //control data
- return OW_ERROR_CRC;
-
- }
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
\ No newline at end of file
--- a/OneWire/DS2450.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,47 +0,0 @@ -/* DS2450 specific values (see datasheet www.maxim-ic.com/datasheet/index.mvp/id/2921) */ -#ifndef _DS2450_ -#define _DS2450_ -#define DS2450_ID 0x20 -#define DS2450_READ_MEMORY 0xAA -#define DS2450_WRITE_MEMORY 0x55 -#define DS2450_CONVERT 0x3C - -#define DS2450_SP_SIZE 13 -#define DS2450_PAGE0 0x00 -#define DS2450_PAGE1 0x08 -#define DS2450_PAGE2 0x10 -#define DS2450_PAGE3 0x18 - -#define DS2450_ADCA 0x00 //channel A -#define DS2450_ADCB 0x02 //channel B -#define DS2450_ADCC 0x04 //channel C -#define DS2450_ADCD 0x06 //channel D - -#define DS2450_IR_2V5 0x00 //input voltage range 2.55V -#define DS2450_IR_5V1 0x01 //input voltage range 5.1V -#define DS2450_AFH 0x20 //flag alarm value higher -#define DS2450_AFL 0x10 //flag alarm value lower -#define DS2450_AEH_ENABLE 0x08 //alarm value higher enable -#define DS2450_AEL_ENABLE 0x04 //alarm value lower enable - -#define DS2450_DISABLE_OUT 0x00 //disable ouput -#define DS2450_ENABLE_OUT 0x80//enable ouput - -#define DS2450_16_BIT 0x00 //ADC 16bits enable ouput -#define DS2450_15_BIT 0x0F //ADC 15bits enable ouput -#define DS2450_12_BIT 0x0C //ADC 12bits enable ouput -#define DS2450_8_BIT 0x08 //ADC 8bits enable ouput -#define DS2450_1_BIT 0x01 //ADC 1bits enable ouput -uint8_t DS2450_read_page(uint8_t id[], uint8_t adresse, uint8_t *val); -uint8_t DS2450_read_page(uint8_t n,uint8_t id[], uint8_t adresse, uint8_t *val); -uint8_t DS2450_convert(uint8_t id[], uint8_t input_select_mask,uint8_t read_out_control); -uint8_t DS2450_convert(uint8_t n,uint8_t id[], uint8_t input_select_mask,uint8_t read_out_control); -uint8_t DS2450_read_ADC(uint8_t id[], uint16_t adc[]); -uint8_t DS2450_read_ADC(uint8_t n,uint8_t id[], uint16_t adc[]); -uint8_t DS2450_start_and_read_ADC(uint8_t id[], uint16_t adc[]); -uint8_t DS2450_start_and_read_ADC(uint8_t n,uint8_t id[], uint16_t adc[]); -uint8_t DS2450_configure_channel_ADC(uint8_t id[],uint8_t channel,uint8_t conflsb,uint8_t confmsb); -uint8_t DS2450_configure_channel_ADC(uint8_t n,uint8_t id[],uint8_t channel,uint8_t conflsb,uint8_t confmsb); -uint8_t DS2450_configure_page(uint8_t id[], uint8_t adresse,uint8_t configpage[]); -uint8_t DS2450_configure_page(uint8_t n,uint8_t id[], uint8_t adresse,uint8_t configpage[]); -#endif \ No newline at end of file
--- a/OneWire/Horner_ITS90.h Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-#ifndef __Horner_ITS90_H__
-#define __Horner_ITS90_H__
-
-const double ITS90_TCK_subzero[] =
-{
-
-
-0.0,
-2.5173462E-2,
--1.1662878E-6,
--1.0833638E-9,
--8.9773540E-13,
--3.7342377E-16,
--8.6632643E-20,
--1.0450598E-23,
--5.1920577E-28,
-0.0
-
-};
-const double ITS90_TCK_sub500[] =
-{
-0.0,
-2.508355E-02,
-7.860106E-08,
--2.503131E-10,
-8.315270E-14,
--1.228034E-17,
-9.804036E-22,
--4.413030E-26,
-1.057734E-30,
--1.052755E-35
-};
-
-const double ITS90_TCK_sub1372[] =
-{
--1.318058E+02,
-4.830222E-02,
--1.646031E-06,
-5.464731E-11,
--9.650715E-16,
-8.802193E-21,
--3.110810E-26,
-0.0,
-0.0,
-0.0
-
-};
-
-#endif
--- a/OneWire/MAX31850.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,125 +0,0 @@
-/**
-* @file MAX31850.cpp
-* @brief library of MAX31850 1-Wire Thermocouple-to-Digital Converters,Cold-Junction Compensated (http://www.maximintegrated.com/datasheet/index.mvp/id/7953)
-* @author Frederic BLANC
-* @date 2014_01_15
-*/
-#include "mbed.h"
-#include "onewire.h"
-#include "MAX31850.h"
-#include "crc8.h"
-#include "Horner_ITS90.h"
-int MAX31850_Read_Scratch(uint8_t id[],uint8_t sp[],uint8_t n)
-{
- if (id[0] == MAX31850_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- sp[0]=MAX31850_READ; // command
- ow_command(n,sp[0], &id[0]);
- for ( int i=0 ; i< MAX31850_SP_SIZE; i++ ) { //read 8xdata + CRC16
- sp[i]=ow_byte_rd(n);
- }
- if(sp[8]!=crc8(sp,8))
- return OW_ERROR_CRC;
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
-
-int MAX31850_Temp_TRUE(uint8_t *sp,double *temp)
-{
-
-
- float temp_cj,temp_tc;
- double vtc;
- int err;
-
- err = MAX31850_Temp_TC(sp,&temp_tc);
- if(err) {
- return err;
- }
- MAX31850_Temp_CJ(sp,&temp_cj);
-
- vtc = MAX31850_K * temp_tc ;
- *temp=0;
- if(temp_tc < 0.0) {
- for(int i=0;i<10;++i)
- {
-
- *temp+=ITS90_TCK_subzero[i]*pow(vtc,i);
- }
- } else if(temp_tc < 500.0) {
- for(int i=0;i<10;++i)
- {
-
- *temp+=ITS90_TCK_sub500[i]*pow(vtc,i);
- }
- } else {
- for(int i=0;i<10;++i)
- {
-
- *temp+=ITS90_TCK_sub1372[i]*pow(vtc,i);
- }
- }
- return OW_OK;
-}
-
-
-int MAX31850_Temp_TC(uint8_t *sp,float *temp)
-{
-
- uint8_t *ptr_meas;
- uint16_t meas;
-
- if(sp[0]& 1)
- return MAX31850_ERR_FAULT;
- if(sp[2]& (1<<1))
- return MAX31850_ERR_OPEN_CIRCUIT;
- if(sp[2]& (1<<2))
- return MAX31850_ERR_SHORT2GND;
- if(sp[2]& (1<<3))
- return MAX31850_ERR_SHORT2VDD;
- ptr_meas=(uint8_t*) &meas;
- *ptr_meas = sp[0] ; // LSB
- *++ptr_meas = sp[1]; // MSB
- if ( meas & 0x8000 ) {
-
- meas ^= 0xffff; // convert to positive => (twos complement)++
- meas++;
- *temp= -1.0 * MAX31850_ADC_TEMP_TC_UNIT * (float)(meas>>2);
- } else {
- *temp= MAX31850_ADC_TEMP_TC_UNIT * (float)(meas>>2);
- }
-
- return OW_OK;
-}
-
-int MAX31850_Temp_CJ(uint8_t *sp,float *temp)
-{
- uint8_t *ptr_meas;
- uint16_t meas;
-
- ptr_meas=(uint8_t*) &meas;
- *ptr_meas = sp[2] ; // LSB
- *++ptr_meas = sp[3]; // MSB
- if ( meas & 0x8000 ) {
-
- meas ^= 0xffff; // convert to positive => (twos complement)++
- meas++;
- *temp= -1.0 * MAX31850_ADC_TEMP_CJ_UNIT * (float)(meas>>4);
- } else {
- *temp= MAX31850_ADC_TEMP_CJ_UNIT * (float)(meas>>4);
- }
- return OW_OK;
-}
-
-int MAX31850_Start_meas(uint8_t id[],uint8_t n=0)
-{
- if (id[0] == MAX31850_ID) {
- if (ow_reset(n)) //reset OW
- return OW_SHORT_CIRCUIT;
- ow_command(n,MAX31850_CONVERT_T, &id[0]);
- return OW_OK;
- }
- return OW_ERROR_BAD_ID;
-}
\ No newline at end of file
--- a/OneWire/MAX31850.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,69 +0,0 @@ -/* DS2450 specific values (see datasheet http://www.maximintegrated.com/datasheet/index.mvp/id/7953) */ -#ifndef __MAX31850_H__ -#define __MAX31850_H__ -#define MAX31850_ID 0x3B -#define MAX31850_SP_SIZE 9 - -#define MAX31850_CONVERT_T 0x44 // 0x44 -#define MAX31850_READ_POWER_SUPPLY 0xB4 -#define MAX31850_READ 0xBE - -#define MAX31850_ADC_TEMP_TC_UNIT 0.25 -#define MAX31850_ADC_TEMP_CJ_UNIT 0.0625 -#define MAX31850_K 41.276//41.276µV/C - -#define MAX31850_ERR_FAULT -10; -#define MAX31850_ERR_SHORT2VDD -12; -#define MAX31850_ERR_SHORT2GND -13; -#define MAX31850_ERR_OPEN_CIRCUIT -14; -/** - * @brief lecture registre MAX31850 - * @param [in] uint8_t id[] tableau d'identifiant OW - * @param [out] uint8_t sp[] tableau de registre - * @param [in] uint8_t n bus ow - * @return OW_OK si erreur retourne OW_ERROR_CRC - * @date 02/12/2013 - * - */ -int MAX31850_Read_Scratch(uint8_t id[],uint8_t sp[],uint8_t n) ; - -/** - * @brief lecture temperature thermocouple Linearized MAX31850 - * @param [in] uint8_t sp[] tableau registre MAX31850 - * @param [out] float temperature thermocouple Linearized degre Celsuis - * @return OW_OK si erreur retourne ERROR - * @date 04/12/2013 - * - */ - int MAX31850_Temp_TRUE(uint8_t *sp,double *temp); - -/** - * @brief lecture temperature thermocouple MAX31850 - * @param [in] uint8_t sp[] tableau registre MAX31850 - * @param [out] float temperature thermocouple degre Celsuis - * @return OW_OK si erreur retourne ERROR - * @date 04/12/2013 - * - */ - int MAX31850_Temp_TC(uint8_t *sp,float *temp) ; - -/** - * @brief lecture temperature cold junction MAX31850 - * @param [in] uint8_t sp[] tableau registre MAX31850 - * @param [out] float temperature cold junction degre Celsuis - * @return OW_OK si erreur retourne ERROR - * @date 04/12/2013 - * - */ -int MAX31850_Temp_CJ(uint8_t *sp,float *temp) ; - -/** - * @brief start convertion MAX31850 - * @param [in] uint8_t id[] tableau d'identifiant OW - * @param [in] uint8_t n bus ow - * @return OW_OK - * @date 02/12/2013 - * - */ -int MAX31850_Start_meas(uint8_t id[],uint8_t n); -#endif \ No newline at end of file
--- a/OneWire/crc16.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +0,0 @@
-#include <inttypes.h>
-#include "mbed.h"
-#include "onewire.h"
-
-#define CRC16INIT 0x0000
-//#define CRC16POLY 0x8005; // Polynome =x^16 + x^15 + x^2 + x^0 = 0x18005
-#define CRC16POLY 0xA001;
-
-uint16_t crc16(uint8_t* octets, uint16_t nboctets)
-{
-uint16_t crc = CRC16INIT;
-int i, done = 0;
-uint8_t todo;
- if (nboctets != 0) {
- do {
- todo = octets[done];
- crc ^= todo;
- for (i = 0; i < 8; i++) {
- if (crc % 2 != 0) {
- crc = (crc >> 1) ^ CRC16POLY;
- } else {
- crc = crc >> 1;
- }
- }
- done++;
- } while (done < nboctets);
-
-
- }
-
-return crc;
-}
-//CRC16 byte, always two bytes, bit inverted, LSByte first
-uint8_t ctrl_crc16(uint8_t* octets, uint16_t nboctets)
-{
- uint16_t crc;
- uint8_t *ptr;
-#ifdef DEBUG
- printf( "\nCRC16 : " );
- for ( uint8_t i=0 ; i< nboctets; i++ )
- printf(":%2.2X",octets[i]);
- printf( "\n" );
-#endif
- crc =~crc16(octets, nboctets-2);
- ptr=(uint8_t*)&crc;
-#ifdef DEBUG
- printf( "\n" );
- printf("CRC16:%X",crc);
- printf( "\n" );
-#endif
- if(*ptr==octets[nboctets-2])
- if(*++ptr==octets[nboctets-1])
- return 0;
-
- return 1;
- }
\ No newline at end of file
--- a/OneWire/crc16.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,5 +0,0 @@ -#ifndef _CRC16_ -#define _CRC16_ -uint16_t crc16(uint8_t* octets, uint16_t nboctets); -uint8_t ctrl_crc16(uint8_t* octets, uint16_t nboctets); -#endif \ No newline at end of file
--- a/OneWire/crc8.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,39 +0,0 @@
-#include <inttypes.h>
-
-#define CRC8INIT 0x00
-#define CRC8POLY 0x18 //0X18 = X^8+X^5+X^4+X^0
-
-uint8_t crc8 ( uint8_t *data_in, uint16_t number_of_bytes_to_read )
-{
- uint8_t crc;
- uint16_t loop_count;
- uint8_t bit_counter;
- uint8_t data;
- uint8_t feedback_bit;
-
- crc = CRC8INIT;
-
- for (loop_count = 0; loop_count != number_of_bytes_to_read; loop_count++)
- {
- data = data_in[loop_count];
-
- bit_counter = 8;
- do {
- feedback_bit = (crc ^ data) & 0x01;
-
- if ( feedback_bit == 0x01 ) {
- crc = crc ^ CRC8POLY;
- }
- crc = (crc >> 1) & 0x7F;
- if ( feedback_bit == 0x01 ) {
- crc = crc | 0x80;
- }
-
- data = data >> 1;
- bit_counter--;
-
- } while (bit_counter > 0);
- }
-
- return crc;
-}
--- a/OneWire/crc8.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,4 +0,0 @@ -#ifndef _CRC8_ -#define _CRC8_ -uint8_t crc8 (uint8_t* data_in, uint16_t number_of_bytes_to_read); -#endif \ No newline at end of file
--- a/OneWire/onewire.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,575 +0,0 @@
-/**
-* @file onewire.c
-* @brief library 1-Wire(www.maxim-ic.com)
-* @author Maciej Rajtar (Published 10 May 2010 www.mbed.org)
-* @author Frederic BLANC (Published 01/03/2012 www.mbed.org)
-*/
-
-#include "mbed.h"
-#include "onewire.h"
-
-DigitalInOut ow_pin(p21);
-DigitalInOut ow_0(p21);
-DigitalInOut ow_1(p22);
-DigitalInOut ow_2(p23);
-DigitalInOut ow_3(p24);
-DigitalInOut* t_ow[4]={&ow_0,&ow_1,&ow_2,&ow_3};
-
-//**********************************************************************************************************
-//* show_id
-//**********************************************************************************************************
-
-
-/**
-* @brief show_id
-* @param [in] id[] = rom_code
-* @param [out] text id
-* @date 02/12/2013
-*/
-char* ow_show_id( uint8_t id[],char *text) {
-
- char hex[4];
- sprintf(text,"");
- sprintf(hex,"%2.2X",id[0]);
- strcat(text,hex);
- for (int i = OW_ROMCODE_SIZE-2; i >=1 ; --i ) {
- sprintf(hex,"%2.2X",id[i]);
- strcat(text,hex);
- }
- sprintf(hex,"%2.2X",id[OW_ROMCODE_SIZE-1]);
- strcat(text,hex);
- return text;
-
-}
-//**********************************************************************************************************
-//* show_id
-//**********************************************************************************************************
-
-
-/**
-* @brief uint64_id
-* @param [in] id[] = rom_code
-* @return [out] uint64_t id
-* @date 28/03/2011
-*/
-uint64_t uint64_id( uint8_t id[]) {
-
- uint64_t *ptr;
-
- ptr=(uint64_t *) &id[0];
-
- return *ptr;
-}
-//**********************************************************************************************************
-//* search_sensors
-//**********************************************************************************************************
-
-/**
-* @brief search_sensors
-* @param [out] nSensors number of device onewire
-* @param [out] gSensorIDs[][] array of id romcode
-* @return OW_OK or OW_PRESENCE_ERR or OW_DATA_ERR
-* @date 20/06/2011
-*/
-uint8_t search_sensors(uint8_t *nSensors,uint8_t gSensorIDs[][OW_ROMCODE_SIZE] ) {
-
-
- uint8_t i;
- uint8_t id[OW_ROMCODE_SIZE];
- uint8_t diff;
- //printf( "Scanning Bus\r\n" );
- diff = OW_SEARCH_FIRST;
- for (*nSensors = 0 ; (diff != OW_LAST_DEVICE) && (*nSensors < MAXSENSORS) ;++(*nSensors) ) {
- ow_find_sensor( &diff, &id[0] );
- if ( diff == OW_PRESENCE_ERR ) {
- //printf( "No Sensor found\r\n" );
- return diff;
- }
- if ( diff == OW_DATA_ERR ) {
- //printf( "Bus Error\r\n" );
- return diff;
- }
- for (i=0;i<OW_ROMCODE_SIZE;i++)
- gSensorIDs[*nSensors][i]=id[i];
-
- }
- return OW_OK;
-}
-/**
-* @brief search_sensors
-* @param [in] n num bus onewire
-* @param [out] nSensors number of device onewire
-* @param [out] gSensorIDs[][][] array of id romcode
-* @return OW_OK or OW_PRESENCE_ERR or OW_DATA_ERR
-* @date 02/09/2011
-*/
-uint8_t search_sensors(uint8_t n,uint8_t *nSensors,uint8_t gSensorIDs[][MAXSENSORS][OW_ROMCODE_SIZE] ) {
-
-
- uint8_t i;
- uint8_t id[OW_ROMCODE_SIZE];
- uint8_t diff;
- //printf( "Scanning Bus %d\r\n",n );
- diff = OW_SEARCH_FIRST;
- for (*nSensors = 0 ; (diff != OW_LAST_DEVICE) && (*nSensors < MAXSENSORS) ;++(*nSensors) ) {
- ow_find_sensor(n, &diff, &id[0] );
- if ( diff == OW_PRESENCE_ERR ) {
- //printf( "No Sensor found\r\n" );
- return diff;
- }
- if ( diff == OW_DATA_ERR ) {
- //printf( "Bus Error\r\n" );
- return diff;
- }
- for (i=0;i<OW_ROMCODE_SIZE;i++){
- gSensorIDs[n][*nSensors][i]=id[i];
- //printf( "id[%d]=%d\r\n" ,i,id[i]);
- }
-
- }
- return OW_OK;
-}
-//**********************************************************************************************************
-//* find Sensors on 1-Wire-Bus
-//**********************************************************************************************************
-
-/**
-* @brief find Sensors on 1-Wire-Bus
-* @param [in/out] diff is the result of the last rom-search
-* @param [out] is the rom-code of the sensor found
-* @return OW_OK or OW_ERROR
-* @date 20/06/2011
-*/
-uint8_t ow_find_sensor(uint8_t *diff, uint8_t id[]) {
- for (;;)
- {
- *diff = ow_rom_search( *diff, &id[0] );
- if ( *diff==OW_PRESENCE_ERR)
- return OW_ERROR;
- if ( *diff==OW_DATA_ERR )
- return OW_ERROR;
- if ( *diff == OW_LAST_DEVICE )
- return OW_OK ;
- if ( id[0] == DS18B20_ID || id[0] == DS18S20_ID )
- return OW_OK ;
- if ( id[0] == DS2450_ID )
- return OW_OK ;
- if ( id[0] == MAX31850_ID )
- return OW_OK ;
- }
-}
-
-/**
-* @brief find Sensors on 1-Wire-Bus
-* @param [in] num bus onewire
-* @param [in/out] diff is the result of the last rom-search
-* @param [out] is the rom-code of the sensor found
-* @return OW_OK or OW_ERROR
-* @date 30/08/2011
-*/
-uint8_t ow_find_sensor(uint8_t n,uint8_t *diff, uint8_t id[]) {
- for (;;)
- {
- *diff = ow_rom_search(n, *diff, &id[0] );
- if ( *diff==OW_PRESENCE_ERR)
- return OW_ERROR;
- if ( *diff==OW_DATA_ERR )
- return OW_ERROR;
- if ( *diff == OW_LAST_DEVICE )
- return OW_OK ;
- if ( id[0] == DS18B20_ID || id[0] == DS18S20_ID )
- return OW_OK ;
- if ( id[0] == DS2450_ID )
- return OW_OK ;
- if ( id[0] == MAX31850_ID )
- return OW_OK ;
- }
-}
-//**********************************************************************************************************
-//* search romcode
-//**********************************************************************************************************
-
-/**
-* @brief search romcode
-* @param [in] uint8_t diff
-* @param [out] id romcode
-* @return next_diff or OW_LAST_DEVICE or OW_DATA_ERR or OW_PRESENCE_ERR
-* @date 20/06/2011
-*/
-uint8_t ow_rom_search( uint8_t diff, uint8_t id[] ) {
- uint8_t i, j, next_diff;
- uint8_t b;
-
- if ( ow_reset() )
- return OW_PRESENCE_ERR; // error, no device found
- ow_byte_wr( OW_SEARCH_ROM ); // ROM search command
- next_diff = OW_LAST_DEVICE; // unchanged on last device
- i = OW_ROMCODE_SIZE * 8; // 8 bytes
- do {
- j = 8; // 8 bits
- do {
- b = ow_bit_io( 1 ); // read bit
- if ( ow_bit_io( 1 ) ) { // read complement bit
- if ( b ) // 11
- return OW_DATA_ERR; // data error
- } else {
- if ( !b ) { // 00 = 2 devices
- if ( diff > i || ((*id & 1) && diff != i) ) {
- b = 1; // now 1
- next_diff = i; // next pass 0
- }
- }
- }
- ow_bit_io( b ); // write bit
- *id >>= 1;
- if ( b )
- *id |= 0x80; // store bit
- --i;
- } while ( --j );
- id++; // next byte
- } while ( i );
- return next_diff; // to continue search
-}
-/**
-* @brief search romcode
-* @param [in]n num bus onewire
-* @param [in] uint8_t diff
-* @param [out] id romcode
-* @return next_diff or OW_LAST_DEVICE or OW_DATA_ERR or OW_PRESENCE_ERR
-* @date 30/08/2011
-*/
-uint8_t ow_rom_search(uint8_t n, uint8_t diff, uint8_t id[] ) {
- uint8_t i, j, next_diff;
- uint8_t b;
- if ( ow_reset(n) )
- return OW_PRESENCE_ERR; // error, no device found
- ow_byte_wr(n, OW_SEARCH_ROM ); // ROM search command
- next_diff = OW_LAST_DEVICE; // unchanged on last device
- i = OW_ROMCODE_SIZE * 8; // 8 bytes
- do {
- j = 8; // 8 bits
- do {
- b = ow_bit_io(n, 1 ); // read bit
- if ( ow_bit_io(n, 1 ) ) { // read complement bit
- if ( b ) // 11
- {
-
- return OW_DATA_ERR; // data error
- }
- } else {
- if ( !b ) { // 00 = 2 devices
- if ( diff > i || ((*id & 1) && diff != i) ) {
- b = 1; // now 1
- next_diff = i; // next pass 0
- }
- }
- }
- ow_bit_io(n, b ); // write bit
-
- *id >>= 1;
- if ( b )
- *id |= 0x80; // store bit
- --i;
- } while ( --j );
- id++; // next byte
-
- } while ( i );
-
-
- return next_diff; // to continue search
-}
-
-
-//**********************************************************************************************************
-//* test pin onewire bus
-//**********************************************************************************************************
-/**
-* @brief test pin onewire bus
-* @return etat pin ow
-* @date 20/06/2011
-*/
-uint8_t ow_test_pin (void){
- if (ow_pin)
- return 1;
-return 0;
-}
-
-/**
-* @brief test pin onewire bus
-* @param [in] num bus one wire
-* @return etat pin ow
-* @date 30/08/2011
-*/
-uint8_t ow_test_pin (uint8_t n){
-
- if (*t_ow[n])
- return 1;
-return 0;
-}
-
-//**********************************************************************************************************
-//* onewire reset bus
-//**********************************************************************************************************
-/**
-* @brief onewire reset bus
-* @return pin ow or OW_SHORT_CIRCUIT
-* @date 20/06/2011
-*/
-uint8_t ow_reset(void) { // reset. Should improve to act as a presence pulse
- uint8_t err;
-
- ow_pin.output();
- ow_pin = 0; // bring low for 500 us
- wait_us(500);
- ow_pin.input();
- wait_us(60);
- err = ow_pin;
- wait_us(240);
- if ( ow_pin == 0 ) { // short circuit
- err = OW_SHORT_CIRCUIT;
- }
- return err;
-}
-
-/**
-* @brief onewire reset bus
-* @param [in] num bus onewire
-* @return pin ow or OW_SHORT_CIRCUIT
-* @date 30/08/2011
-*/
-uint8_t ow_reset(uint8_t n) { // reset. Should improve to act as a presence pulse
- uint8_t err;
-
- t_ow[n]->output();
- *t_ow[n] = 0; // bring low for 500 us
- wait_us(500);
- t_ow[n]->input();
- wait_us(60);
- err = *t_ow[n];
- wait_us(240);
- if ( *t_ow[n] == 0 ) { // short circuit
- err = OW_SHORT_CIRCUIT;
-
- }
- return err;
-}
-//**********************************************************************************************************
-//* read write onewire
-//**********************************************************************************************************
-/**
-* @brief read write onewire
-* @param [in/out] b data
-* @return data
-* @date 20/06/2011
-*/
-uint8_t ow_bit_io( uint8_t b ) {
-
- ow_pin.output(); // drive bus low
- ow_pin = 0;
- wait_us(1); // Recovery-Time wuffwuff was 1
-
- if ( b )
- ow_pin.input(); // if bit is 1 set bus high (by ext. pull-up)
- // delay was 15uS-1 see comment above
- wait_us(15-1);
- if ( ow_pin == 0 ) b = 0; // sample at end of read-timeslot
- wait_us(60-15);
- ow_pin.input();
- return b;
-}
-/**
-* @brief read write onewire
-* @param [in] n num bus onewire
-* @param [in/out] b data
-* @return data
-* @date 30/08/2011
-*/
-uint8_t ow_bit_io(uint8_t n, uint8_t b ) {
-
- t_ow[n]->output(); // drive bus low
- *t_ow[n] = 0;
- wait_us(1); // Recovery-Time wuffwuff was 1
-
- if ( b )
- t_ow[n]->input(); // if bit is 1 set bus high (by ext. pull-up)
- // delay was 15uS-1 see comment above
- wait_us(15-1);
- if ( *t_ow[n] == 0 ) b = 0; // sample at end of read-timeslot
- wait_us(60-15);
- t_ow[n]->input();
- // printf("ow_bit_io n=%d b=%X\n",n,b);
- return b;
-}
-//**********************************************************************************************************
-//* byte write on onewire
-//**********************************************************************************************************
-/**
-* @brief byte write on onewire
-* @param [in] b data
-* @return data
-* @date 20/06/2011
-*/
-uint8_t ow_byte_wr( uint8_t b ) {
- uint8_t i = 8, j;
-
- do {
- j = ow_bit_io( b & 1 );
- b >>= 1;
- if ( j )
- b |= 0x80;
- } while ( --i );
- return b;
-}
-/**
-* @brief byte write on onewire
-* @param [in] n num bus onewire
-* @param [in] b data
-* @return data
-* @date 30/08/2011
-*/
-uint8_t ow_byte_wr(uint8_t n, uint8_t b ) {
- uint8_t i = 8, j;
-
- do {
- j = ow_bit_io(n, b & 1 );
- b >>= 1;
- if ( j )
- b |= 0x80;
- } while ( --i );
- return b;
-}
-//**********************************************************************************************************
-//* byte write on onewire
-//**********************************************************************************************************
-/**
-* @brief byte read on onewire
-* @return data
-* @date 20/06/2011
-*/
-uint8_t ow_byte_rd( void ) {
- // read by sending 0xff (a dontcare?)
- return ow_byte_wr( 0xFF );
-}
-
-/**
-* @brief byte read on onewire
-* @param [in] n num onewire
-* @return data
-* @date 30/08/2011
-*/
-uint8_t ow_byte_rd( uint8_t n) {
- // read by sending 0xff (a dontcare?)
- return ow_byte_wr(n, 0xFF );
-}
-//**********************************************************************************************************
-//* byte write on onewire
-//**********************************************************************************************************
-/**
-* @brief write command
-* @param [in] command
-* @param [in] id romcode
-* @date 20/06/2011
-*/
-uint8_t ow_command( uint8_t command, uint8_t id[] ) {
- uint8_t i;
-
- ow_reset();
- if ( id ) {
- ow_byte_wr( OW_MATCH_ROM ); // to a single device
- i = OW_ROMCODE_SIZE;
- do {
- ow_byte_wr( *id );
- ++id;
- } while ( --i );
- } else {
- ow_byte_wr( OW_SKIP_ROM ); // to all devices
- }
- ow_byte_wr( command );
- return 0;
-}
-/**
-* @brief write command
-* @param [in] n num bus onewire
-* @param [in] command
-* @param [in] id romcode
-* @date 30/08/2011
-*/
-uint8_t ow_command(uint8_t n, uint8_t command, uint8_t id[] ) {
- uint8_t i;
-
- ow_reset(n);
- if ( id ) {
- ow_byte_wr( n,OW_MATCH_ROM ); // to a single device
- i = OW_ROMCODE_SIZE;
- do {
- ow_byte_wr(n, *id );
- ++id;
- } while ( --i );
- } else {
- ow_byte_wr(n, OW_SKIP_ROM ); // to all devices
- }
- ow_byte_wr(n, command );
- return 0;
-}
-//**********************************************************************************************************
-//* ow mode
-//**********************************************************************************************************
-/**
-* @brief parasite enable
-* @date 20/06/2011
-*/
-uint8_t ow_parasite_enable(void) {
- ow_pin.output();
- ow_pin = 1;
- return 0;
-}
-/**
-* @brief parasite disable
-* @date 20/06/2011
-*/
-uint8_t ow_parasite_disable(void) {
-
- ow_pin.input();
- return 0;
-}
-
-/**
-* @brief parasite enable
-* @param [in] n num bus onewire
-* @date 30/08/2011
-*/
-uint8_t ow_parasite_enable(uint8_t n) {
- t_ow[n]->output();
- *t_ow[n] = 1;
- return 0;
-}
-/**
-* @brief parasite disable
-* @param [in] n num bus onewire
-* @date 30/08/2011
-*/
-uint8_t ow_parasite_disable(uint8_t n) {
- t_ow[n]->input();
- return 0;
-}
-/**
-* @brief PUL-UP bus OW
-* @return OW_OK
-* @date 20/06/2011
-*/
-uint8_t ow_PullUp(void)
-{
- ow_pin.mode(PullUp); //PULL-UP bus OW
-return OW_OK;
-}
-/**
-* @brief PUL-UP bus OW
-* @param [in] n num bus onewire
-* @return OW_OK
-* @date 30/08/2011
-*/
-uint8_t ow_PullUp(uint8_t n)
-{
- t_ow[n]->mode(PullUp); //PULL-UP bus OW
-return OW_OK;
-}
\ No newline at end of file
--- a/OneWire/onewire.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/** -* @file onewire.h -* @brief library 1-Wire(www.maxim-ic.com) -* @author Maciej Rajtar (Published 10 May 2010 www.mbed.org) -* @author Frederic BLANC (Published 01/03/2012 www.mbed.org) -*/ - -#ifndef _onewire_ -#define _onewire_ -#include "DS2450.h" -#include "DS18X20.h" -#include "MAX31850.h" -#include "crc8.h" -#include "crc16.h" -//#define DEBUG 1 -//#define DEBUG_L1 1 -#define ONEWIRE_PIN p21 - -#define MAXSENSORS 8 -#define MAXBUS 4 -// rom-code size including CRC -#define OW_ROMCODE_SIZE 8 - -#define OW_OK 0x00 -#define OW_ERROR 0x01 -#define OW_START_FAIL 0x02 -#define OW_ERROR_CRC 0x03 -#define OW_ERROR_BAD_ID 0x04 -#define OW_BUSY 0x05 - -#define OW_MATCH_ROM 0x55 -#define OW_SKIP_ROM 0xCC -#define OW_SEARCH_ROM 0xF0 -#define OW_READ_ROM 0x33 -#define OW_CONDITIONAL_SEARCH 0xEC -#define OW_OVERDRIVE_SKIP_ROM 0x3C -#define OW_OVERDRIVE_MATCH_ROM 0x69 - -#define OW_SHORT_CIRCUIT 0xFF -#define OW_SEARCH_FIRST 0xFF // start new search -#define OW_PRESENCE_ERR 0x01 -#define OW_DATA_ERR 0xFE -#define OW_LAST_DEVICE 0x00 // last device found -// 0x01 ... 0x40: continue searching - - - -char* ow_show_id( uint8_t id[],char *text); -uint64_t uint64_id( uint8_t id[]); - -uint8_t search_sensors(uint8_t *nSensors,uint8_t id[][OW_ROMCODE_SIZE] ); -uint8_t search_sensors(uint8_t n,uint8_t *nSensors,uint8_t gSensorIDs[][MAXSENSORS][OW_ROMCODE_SIZE] ); -uint8_t ow_PullUp(void); -uint8_t ow_PullUp(uint8_t n); - - -uint8_t ow_test_pin (void); -uint8_t ow_test_pin (uint8_t n); -uint8_t ow_reset(void); -uint8_t ow_reset(uint8_t n); -uint8_t ow_rom_search( uint8_t diff, uint8_t id[] ); -uint8_t ow_rom_search(uint8_t n, uint8_t diff, uint8_t id[] ); -uint8_t ow_command( uint8_t command, uint8_t id[] ); -uint8_t ow_command(uint8_t n, uint8_t command, uint8_t id[] ); -uint8_t ow_find_sensor(uint8_t *diff, uint8_t id[]); -uint8_t ow_find_sensor(uint8_t n,uint8_t *diff, uint8_t id[]); -uint8_t ow_parasite_enable(void); -uint8_t ow_parasite_enable(uint8_t n); -uint8_t ow_parasite_disable(void); -uint8_t ow_parasite_disable(uint8_t n); -uint8_t ow_bit_io( uint8_t b ); -uint8_t ow_bit_io(uint8_t n, uint8_t b); -uint8_t ow_byte_wr( uint8_t b ); -uint8_t ow_byte_wr(uint8_t n, uint8_t b ); -uint8_t ow_byte_rd( void ); -uint8_t ow_byte_rd( uint8_t n); - - -#endif \ No newline at end of file
--- a/OneWire/utils.cpp Mon Jun 02 13:17:18 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,12 +0,0 @@
-#include <stdint.h>
-
-uint16_t uint8_to_uint16(uint8_t lsb, uint8_t msb)
-{
- uint16_t data;
- uint8_t *ptr;
-
- ptr=(uint8_t*)&data;
- *ptr=lsb;
- *++ptr=msb;
- return data;
-}
\ No newline at end of file
--- a/OneWire/utils.h Mon Jun 02 13:17:18 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,4 +0,0 @@ -#ifndef _utils_ -#define _utils_ -uint16_t uint8_to_uint16(uint8_t lsb, uint8_t msb); -#endif \ No newline at end of file
--- a/main.cpp Mon Jun 02 13:17:18 2014 +0000 +++ b/main.cpp Wed Sep 28 06:46:10 2016 +0000 @@ -1,3 +1,9 @@ +/** + * @brief MAX31850 + * @date 02/06/2014 + * @author F.BLANC LAAS-CNRS + * + */ #include "mbed.h" #include <stdint.h> #include <string.h>