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Sourcecode Batteriemanagementsystem
temp_mcp9843.h
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1 
24 #ifndef BMS_BASIC_TEMP_MCP9843_H_
25 #define BMS_BASIC_TEMP_MCP9843_H_
26 
27 #include <stdbool.h>
28 #include "twi_master_driver.h"
29 
31 
32 #define TWI_BAUDRATE 100000
33 #define TWI_BAUDSETTING TWI_BAUD(F_CPU, TWI_BAUDRATE)
34 #define TWI_TEMPERATUR_MASTER_PORT PORTE
35 #define TWI_TEMPERATUR TWIE
36 
37 
39 
40 #define MCP9843_BASE_ADDR 0x18
41 #define Temp_MP 0x00
42 #define MCP9843_A0 1
43 #define MCP9843_A1 2
44 #define MCP9843_A2 3
45 
46 
47 
49 #define EEPROM 0xA0
50 #define EEPROM_1 ( EEPROM | (1<<MCP9843_A0) )
51 
52 
53 
55 #define SHDNStatus_bm 0x80
56 #define tOUT_Range_bm 0x40
57 #define VHV_bm 0x20
58 #define Resolution_bm 0x18
59 #define Range_bm 0x04
60 #define Accuracy_bm 0x02
61 #define Event_bm 0x01
62 
63 
64 
66 #define MCP9843_CAP_REG 0x00
67 #define MCP9843_CONFIG_REG 0x01
68 #define MCP9843_TUPPER_REG 0x02
69 #define MCP9843_TLOWER_REG 0x03
70 #define MCP9843_TCRIT_REG 0x04
71 #define MCP9843_TEMP_REG 0x05
72 #define MCP9843_MANUFACTURER_ID_REG 0x06
73 #define MCP9843_DEVICE_ID_REG 0x07
74 #define MCP9843_RESOLUTION_REG 0x08
75 
76 
77 
80 #define MCP9843_CONF_INT_CLEAR_LSB_bm 0x16
81 #define MCP9843_CONF_INIT_ALL_LSB_bm 0x01
82 #define MCP9843_CONF_INIT_TCRIT_LSB_bm 0x05
83 #define MCP9843_CONF_RESET_EVENT_LSB_bm ( MCP9843_CONF_INT_CLEAR_LSB_bm | MCP9843_CONF_INIT_TCRIT_LSB_bm )
84 
85 
86 #define MCP9843_CONF_HYST_00_MSB_bm 0x00
87 #define MCP9843_CONF_HYST_15_MSB_bm 0x02
88 #define MCP9843_CONF_HYST_30_MSB_bm 0x04
89 #define MCP9843_CONF_HYST_60_MSB_bm 0x06
90 
91 
92 
94 #define MCP9843_RES_MED_bm 0x02
95 #define MCP9843_RES_HIGH_bm 0x03
96 
97 
98 
112 /*
114 
115  #define MCP9843_TCRIT_MSB 0x02 ///< 45°C
116  #define MCP9843_TCRIT_LSB 0xD0 ///< 45°C
117  #define MCP9843_TUPPER_MSB 0x02 ///< 40°C
118  #define MCP9843_TUPPER_LSB 0x80 ///< 40°C
119  #define MCP9843_TLOWER_MSB 0x00 ///< 0°C
120  #define MCP9843_TLOWER_LSB 0x00 ///< 0°C
122  */
123 
125 
126 #define MCP9843_TCRIT_MSB 0x02
127 #define MCP9843_TCRIT_LSB 0x00
128 #define MCP9843_TUPPER_MSB 0x01
129 #define MCP9843_TUPPER_LSB 0xE0
130 #define MCP9843_TLOWER_MSB 0x00
131 #define MCP9843_TLOWER_LSB 0x00
132 
133 
134 
136 #define MCP9843_BASE_VALUE 0.0625
137 
138 
139 
141 #define MCP9843_TEMPERATURE_FLT_bm 0x1FFF
142 #define MCP9843_TEMPERATURE_SGN_bm 0x1000
143 #define MCP9843_TEMP_GT_TCRIT_bm 0x8000
144 #define MCP9843_TEMP_GT_TUPPER_bm 0x4000
145 #define MCP9843_TEMP_LT_TLOWER_bm 0x2000
146 
147 
148 
149 extern uint8_t sendRegData[];
150 extern TWI_Master_t twi_TEMP_RTC;
151 
152 extern int temp[];
153 extern bool tcrit_flag[];
154 extern bool tupper_flag[];
155 extern bool tlower_flag[];
156 
157 // Funktionen
158 extern void MCP9843_config ( unsigned char Sensor_Nummer );
159 extern void MCP9843_init ();
160 extern void determineTemp ( void );
161 
162 int mcp9843_temp ( void );
163 int mcp9843_calculate_value ( uint16_t bitcode );
164 void mcp9843_get_data ( void );
165 
166 
167 #endif //BMS_BASIC_TEMP_MCP9843_H_
MCP9843_init
void MCP9843_init()
Einstellungen des µC für die Arbeit mit MCP9843.
Definition: temp_mcp9843.c:100
MCP9843_config
void MCP9843_config(unsigned char Sensor_Nummer)
Standardeinstellungen des Sensors einstellen.
Definition: temp_mcp9843.c:64
mcp9843_get_data
void mcp9843_get_data(void)
Die Daten des Temperatursensors werden ausgelesen.
Definition: temp_mcp9843.c:185
twi_master_driver.h
XMEGA TWI master driver header file.
TWI_Master
TWI master driver struct.
Definition: twi_master_driver.h:103
mcp9843_calculate_value
int mcp9843_calculate_value(uint16_t bitcode)
Messwert berechnen und Zweier-Komplement-Berechnung starten.
Definition: temp_mcp9843.c:154
twi_TEMP_RTC
TWI_Master_t twi_TEMP_RTC
TWI (I2C) Mastervariable, steuert die Register und speichert Daten.
Definition: ds1388_rtc.c:27
by Hanna