Statistics
| Branch: | Tag: | Revision:

amiro-lld / include / bq27500 / v1 / alld_bq27500_v1.h @ 76350eab

History | View | Annotate | Download (12.579 KB)

1
/*
2
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3
Copyright (C) 2016..2019  Thomas Schöpping et al.
4

5
This program is free software: you can redistribute it and/or modify
6
it under the terms of the GNU Lesser General Public License as published by
7
the Free Software Foundation, either version 3 of the License, or
8
(at your option) any later version.
9

10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
GNU Lesser General Public License for more details.
14

15
You should have received a copy of the GNU Lesser General Public License
16
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18

    
19
/**
20
 * @file    alld_bq27500_v1.h
21
 * @brief   Fuel Gauge constants and structures.
22
 *
23
 * @addtogroup lld_gauge
24
 * @{
25
 */
26

    
27
#ifndef AMIROLLD_BQ27500_V1_H
28
#define AMIROLLD_BQ27500_V1_H
29

    
30
#include <amiro-lld.h>
31

    
32
#if (defined(AMIROLLD_CFG_BQ27500) && (AMIROLLD_CFG_BQ27500 == 1)) || defined(__DOXYGEN__)
33

    
34
/******************************************************************************/
35
/* CONSTANTS                                                                  */
36
/******************************************************************************/
37

    
38
/**
39
 * @brief fixed I2C address
40
 */
41
#define BQ27500_LLD_I2C_ADDR              0x55u
42

    
43
/**
44
 * @brief maximum I2C frequency in Hz
45
 */
46
#if defined(BQ27500_LLD_HWVERSION)
47
  #if (BQ27500_LLD_HWVERSION == 120)
48
    #define BQ27500_LLD_I2C_MAXFREQUENCY  100000
49
  #elif (BQ27500_LLD_HWVERSION == 130)
50
    #define BQ27500_LLD_I2C_MAXFREQUENCY  400000
51
  #endif
52
#else
53
  #define BQ27500_LLD_I2C_MAXFREQUENCY    100000
54
#endif
55

    
56
/**
57
 * @brief default key0 to get into unsealed mode
58
 */
59
#define BQ27500_LLD_DEFAULT_UNSEAL_KEY0   0x3672u
60

    
61
/**
62
 * @brief  default key1 to get into unsealed mode
63
 */
64
#define BQ27500_LLD_DEFAULT_UNSEAL_KEY1   0x0414u
65

    
66
/**
67
 * @brief Active state of battery low gpio.
68
 */
69
#define BQ27500_LLD_BATLOW_ACTIVE_STATE   APAL_GPIO_ACTIVE_HIGH
70

    
71
/**
72
 * @brief Active state of battery good gpio.
73
 */
74
#define BQ27500_LLD_BATGOOD_ACTIVE_STATE  APAL_GPIO_ACTIVE_LOW
75

    
76
/******************************************************************************/
77
/* SETTINGS                                                                   */
78
/******************************************************************************/
79

    
80
/******************************************************************************/
81
/* CHECKS                                                                     */
82
/******************************************************************************/
83

    
84
/******************************************************************************/
85
/* DATA STRUCTURES AND TYPES                                                  */
86
/******************************************************************************/
87

    
88
/**
89
 * @brief Possible standard commands.
90
 */
91
typedef enum {
92
                                                                                              //   unit   |      access
93
                                                                                              //          | sealed  | unsealed
94
                                                                                              // ---------+---------+----------
95
  BQ27500_LLD_STD_CMD_Control = 0x00u, BQ27500_LLD_STD_CMD_CNTL = 0x00u,                      // N/A      | R/W     | R/W
96
  BQ27500_LLD_STD_CMD_AtRate = 0x02u, BQ27500_LLD_STD_CMD_AR = 0x02u,                         // mA       | R/W     | R/W
97
  BQ27500_LLD_STD_CMD_AtRateTimeToEmpty = 0x04u, BQ27500_LLD_STD_CMD_ARTTE = 0x04u,           // minutes  | R       | R/W
98
  BQ27500_LLD_STD_CMD_Temperatur = 0x06u, BQ27500_LLD_STD_CMD_TEMP = 0x06u,                   // 0.1 K    | R       | R/W
99
  BQ27500_LLD_STD_CMD_Voltage = 0x08u, BQ27500_LLD_STD_CMD_VOLT = 0x08u,                      // mV       | R       | R/W
100
  BQ27500_LLD_STD_CMD_Flags = 0x0Au, BQ27500_LLD_STD_CMD_FLAGS = 0x0Au,                       // N/A      | R       | R/W
101
  BQ27500_LLD_STD_CMD_NominalAvailableCapacity = 0x0Cu, BQ27500_LLD_STD_CMD_NAC = 0x0Cu,      // mAh      | R       | R/W
102
  BQ27500_LLD_STD_CMD_FullAvailableCapacity = 0x0Eu, BQ27500_LLD_STD_CMD_FAC = 0x0Eu,         // mAh      | R       | R/W
103
  BQ27500_LLD_STD_CMD_RemainingCapacity = 0x10u, BQ27500_LLD_STD_CMD_RM = 0x10u,              // mAh      | R       | R/W
104
  BQ27500_LLD_STD_CMD_FullChargeCapacity = 0x12u, BQ27500_LLD_STD_CMD_FCC = 0x12u,            // mAh      | R       | R/W
105
  BQ27500_LLD_STD_CMD_AverageCurrent = 0x14u, BQ27500_LLD_STD_CMD_AI = 0x14u,                 // mA       | R       | R/W
106
  BQ27500_LLD_STD_CMD_TimeToEmpty = 0x16u, BQ27500_LLD_STD_CMD_TTE = 0x16u,                   // minutes  | R       | R/W
107
  BQ27500_LLD_STD_CMD_TimeToFull = 0x18u, BQ27500_LLD_STD_CMD_TTF = 0x18u,                    // minutes  | R       | R/W
108
  BQ27500_LLD_STD_CMD_StandbyCurrent = 0x1Au, BQ27500_LLD_STD_CMD_SI = 0x1Au,                 // mA       | R       | R/W
109
  BQ27500_LLD_STD_CMD_StandbyTimeToEmpty = 0x1Cu, BQ27500_LLD_STD_CMD_STTE = 0x1Cu,           // minutes  | R       | R/W
110
  BQ27500_LLD_STD_CMD_MaxLoadCurrent = 0x1Eu, BQ27500_LLD_STD_CMD_MLI = 0x1Eu,                // mA       | R       | R/W
111
  BQ27500_LLD_STD_CMD_MaxLoadTimeToEmpty = 0x20u, BQ27500_LLD_STD_CMD_MLTTE = 0x20u,          // minutes  | R       | R/W
112
  BQ27500_LLD_STD_CMD_AvailableEnergy = 0x22u, BQ27500_LLD_STD_CMD_AE = 0x22u,                // mWh      | R       | R/W
113
  BQ27500_LLD_STD_CMD_AveragePower = 0x24u, BQ27500_LLD_STD_CMD_AP = 0x24u,                   // mW       | R       | R/W
114
  BQ27500_LLD_STD_CMD_TimeToEmptyAtConstantPower = 0x26u, BQ27500_LLD_STD_CMD_TTECP = 0x26u,  // minutes  | R       | R/W
115
  BQ27500_LLD_STD_CMD_CycleCount = 0x2Au, BQ27500_LLD_STD_CMD_CC = 0x2Au,                     // counts   | R       | R/W
116
  BQ27500_LLD_STD_CMD_StateOfCharge = 0x2Cu, BQ27500_LLD_STD_CMD_SOC = 0x2Cu                  // %        | R       | R/W
117
} bq27500_lld_std_command_t;
118

    
119
/**
120
 * @brief Subcommands of the control command.
121
 */
122
typedef enum {
123
                                                  // sealed access
124
                                                  // -------------
125
  BQ27500_LLD_SUB_CMD_CONTROL_STATUS = 0x0000u,   // yes
126
  BQ27500_LLD_SUB_CMD_DEVICE_TYPE = 0x0001u,      // yes
127
  BQ27500_LLD_SUB_CMD_FW_VERSION = 0x0002u,       // yes
128
  BQ27500_LLD_SUB_CMD_HW_VERSION = 0x0003u,       // yes
129
  BQ27500_LLD_SUB_CMD_DF_CHECKSUM = 0x0004u,      // no
130
  BQ27500_LLD_SUB_CMD_RESET_DATA = 0x0005u,       // yes
131
  BQ27500_LLD_SUB_CMD_PREV_MACWRITE = 0x0007u,    // yes
132
  BQ27500_LLD_SUB_CMD_CHEM_ID = 0x0008u,          // yes
133
  BQ27500_LLD_SUB_CMD_BOARD_OFFSET = 0x0009u,     // no
134
  BQ27500_LLD_SUB_CMD_CC_INT_OFFSET = 0x000Au,    // no
135
  BQ27500_LLD_SUB_CMD_WRITE_OFFSET = 0x000Bu,     // no
136
  BQ27500_LLD_SUB_CMD_SET_HIBERNATE = 0x0011u,    // yes
137
  BQ27500_LLD_SUB_CMD_CLEAR_HIBERNATE = 0x0012u,  // yes
138
  BQ27500_LLD_SUB_CMD_SET_SLEEPp = 0x0013u,       // yes
139
  BQ27500_LLD_SUB_CMD_CLEAR_SLEEPp = 0x0014u,     // yes
140
  BQ27500_LLD_SUB_CMD_SEALED = 0x0020u,           // no
141
  BQ27500_LLD_SUB_CMD_IT_ENABLE = 0x0021u,        // no
142
  BQ27500_LLD_SUB_CMD_IF_CHECKSUM = 0x0022u,      // no
143
  BQ27500_LLD_SUB_CMD_CAL_MODE = 0x0040u,         // no
144
  BQ27500_LLD_SUB_CMD_RESET = 0x0041u,            // no
145
} bq27500_lld_control_subcmd_t;
146

    
147
/**
148
 * @brief Extended commands.
149
 */
150
typedef enum {
151
                                                                          // length | unit | sealed | unsealed
152
                                                                          // -------+------+--------+----------
153
  BQ27500_LLD_EXT_CMD_DesignCapacity = 0x3Cu, EXT_CMD_DCAP = 0x3Cu,       //      2 |  mAh |     R  |      R
154
  BQ27500_LLD_EXT_CMD_DataFlashClass = 0x3Eu, EXT_CMD_DFCLS = 0x3Eu,      //      1 |  N/A |    N/A |     R/W
155
  BQ27500_LLD_EXT_CMD_DataFlashBlock = 0x3Fu, EXT_CMD_DFBLK = 0x3Fu,      //      1 |  N/A |    R/W |     R/W
156
  BQ27500_LLD_EXT_CMD_BlockData = 0x40u, EXT_CMD_DFD = 0x40u,             //     32 |  N/A |     R  |     R/W
157
  BQ27500_LLD_EXT_CMD_BlockDataCheckSum = 0x60u,EXT_CMD_DFDCKS = 0x60u,   //      1 |  N/A |    R/W |     R/W
158
  BQ27500_LLD_EXT_CMD_BlockDataControl = 0x61u, EXT_CMD_DFDCNTL = 0x61u,  //      1 |  N/A |    N/A |     R/W
159
  BQ27500_LLD_EXT_CMD_DeviceNameLength = 0x62u, EXT_CMD_DNAMELEN = 0x62u, //      1 |  N/A |     R  |      R
160
  BQ27500_LLD_EXT_CMD_DeviceName = 0x63u, EXT_CMD_DNAME = 0x63u,          //      7 |  N/A |     R  |      R
161
  BQ27500_LLD_EXT_CMD_ApplicationStatus = 0x6Au, EXT_CMD_APPSTAT = 0x6Au  //      1 |  N/A |     R  |      R
162
} bq27500_lld_ext_command_t;
163

    
164
/**
165
 * @brief Read or write access to extended commands.
166
 */
167
typedef enum {
168
  BQ27500_LLD_EXT_CMD_READ = 0,
169
  BQ27500_LLD_EXT_CMD_WRITE = 1,
170
} bq27500_lld_ext_cmd_access_t;
171

    
172
/**
173
 * @brief Union to inspect the version value.
174
 */
175
typedef union {
176
  uint16_t value;
177
  struct {
178
    uint16_t minor_low : 4;
179
    uint16_t minor_high : 4;
180
    uint16_t major_low : 4;
181
    uint16_t major_high : 4;
182
  } content;
183
} bq27500_lld_version_t;
184

    
185
/**
186
 * @brief Union to inspect the flags register.
187
 */
188
typedef union {
189
  uint16_t value;
190
  struct {
191
    uint16_t dsg : 1;
192
    uint16_t socf : 1;
193
    uint16_t soc1 : 1;
194
    uint16_t bat_det : 1;
195
    uint16_t wait_id : 1;
196
    uint16_t ocv_gd : 1;
197
    uint16_t rsvd_6_7 : 2;
198
    uint16_t chg : 1;
199
    uint16_t fc : 1;
200
    uint16_t xchg : 1;
201
    uint16_t chg_inh : 1;
202
    uint16_t rsvd_12_13 : 2;
203
    uint16_t otd : 1;
204
    uint16_t otc : 1;
205
  } content;
206
} bq27500_lld_flags_t;
207

    
208
/**
209
 * @brief Union to inspect the control status.
210
 */
211
typedef union {
212
  uint16_t value;
213
  struct {
214
    uint16_t qen : 1;
215
    uint16_t vok : 1;
216
    uint16_t rup_dis : 1;
217
    uint16_t ldmd : 1;
218
    uint16_t sleep : 1;
219
    uint16_t snooze : 1;
220
    uint16_t hibernate : 1;
221
    uint16_t rsvd_7_8_9 : 3;
222
    uint16_t bca : 1;
223
    uint16_t cca : 1;
224
    uint16_t csv : 1;
225
    uint16_t ss : 1;
226
    uint16_t fas : 1;
227
    uint16_t rsvd_15 : 1;
228
  } content;
229
} bq27500_lld_control_status_t;
230

    
231
/**
232
 * @brief BQ27500 Driver struct.
233
 */
234
typedef struct {
235
  apalI2CDriver_t* i2cd;            /**< @brief I2C driver to access the BQ27500 */
236
  const apalControlGpio_t* gpio_batlow;   /**< @brief Gpio to indicate whether the battery is low  */
237
  const apalControlGpio_t* gpio_batgood;  /**< @brief Gpio to indicate whether the battery is good */
238
} BQ27500Driver;
239

    
240
/**
241
 * @brief Battery low enum.
242
 */
243
typedef enum {
244
  BQ27500_LLD_BATTERY_LOW = 0x01,
245
  BQ27500_LLD_BATTERY_NOT_LOW = 0x00,
246
} bq27500_lld_batlow_t;
247

    
248
/**
249
 * @brief Battery good enum.
250
 */
251
typedef enum {
252
  BQ27500_LLD_BATTERY_GOOD = 0x01,
253
  BQ27500_LLD_BATTERY_NOT_GOOD = 0x00,
254
} bq27500_lld_batgood_t;
255

    
256
/******************************************************************************/
257
/* MACROS                                                                     */
258
/******************************************************************************/
259

    
260
/******************************************************************************/
261
/* EXTERN DECLARATIONS                                                        */
262
/******************************************************************************/
263

    
264
#ifdef __cplusplus
265
extern "C" {
266
#endif
267
  apalExitStatus_t bq27500_lld_read_batlow(const BQ27500Driver* const bq27500, bq27500_lld_batlow_t* const batlow);
268
  apalExitStatus_t bq27500_lld_read_batgood(const BQ27500Driver* const bq27500, bq27500_lld_batgood_t* const batgood);
269
  apalExitStatus_t bq27500_lld_std_command(const BQ27500Driver* const bq27500, const bq27500_lld_std_command_t cmd, uint16_t* const dst, const apalTime_t timeout);
270
  apalExitStatus_t bq27500_lld_sub_command_call(const BQ27500Driver* const bq27500, const bq27500_lld_control_subcmd_t cmd, const apalTime_t timeout);
271
  apalExitStatus_t bq27500_lld_sub_command_read(const BQ27500Driver* const bq27500, uint16_t* const data, const apalTime_t timeout);
272
  apalExitStatus_t bq27500_lld_ext_command(const BQ27500Driver* const bq27500, const bq27500_lld_ext_command_t cmd, const bq27500_lld_ext_cmd_access_t rw, uint8_t* const buffer, const uint8_t length, const uint8_t offset, const apalTime_t timeout);
273
  apalExitStatus_t bq27500_lld_send_ctnl_data(const BQ27500Driver* const bq27500, const uint16_t data, const apalTime_t timeout);
274
  apalExitStatus_t bq27500_lld_compute_blockdata_checksum(const uint8_t* const blockdata, uint8_t* const sum);
275
#ifdef __cplusplus
276
}
277
#endif
278

    
279
/******************************************************************************/
280
/* INLINE FUNCTIONS                                                           */
281
/******************************************************************************/
282

    
283
#endif /* defined(AMIROLLD_CFG_BQ27500) && (AMIROLLD_CFG_BQ27500 == 1) */
284

    
285
#endif /* AMIROLLD_BQ27500_V1_H */
286

    
287
/** @} */