Statistics
| Branch: | Tag: | Revision:

amiro-lld / include / alld_bq27500.h @ 11500ad8

History | View | Annotate | Download (10.6 KB)

1
/*
2
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3
Copyright (C) 2016..2018  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.h
21
 * @brief   Fuel Gauge constants and structures.
22
 *
23
 * @addtogroup lld_gauge
24
 * @{
25
 */
26

    
27
#ifndef _AMIROLLD_BQ27500_H_
28
#define _AMIROLLD_BQ27500_H_
29

    
30
#include <amiro-lld.h>
31

    
32
#if defined(AMIROLLD_CFG_USE_BQ27500) || defined(__DOXYGEN__)
33

    
34
/**
35
 * @brief fixed I2C address
36
 */
37
#define BQ27500_LLD_I2C_ADDR              0x55u
38

    
39
/**
40
 * @brief maximum I2C frequency in Hz
41
 */
42
#define BQ27500_LLD_I2C_MAXFREQUENCY      100000
43

    
44
/**
45
 * @brief default key0 to get into unsealed mode
46
 */
47
#define BQ27500_LLD_DEFAULT_UNSEAL_KEY0   0x3672u
48

    
49
/**
50
 * @brief  default key1 to get into unsealed mode
51
 */
52
#define BQ27500_LLD_DEFAULT_UNSEAL_KEY1   0x0414u
53

    
54
/**
55
 * @brief Active state of battery low gpio.
56
 */
57
#define BQ27500_LLD_BATLOW_ACTIVE_STATE   APAL_GPIO_ACTIVE_HIGH
58

    
59
/**
60
 * @brief Active state of battery good gpio.
61
 */
62
#define BQ27500_LLD_BATGOOD_ACTIVE_STATE  APAL_GPIO_ACTIVE_LOW
63

    
64
/**
65
 * @brief Possible standard commands.
66
 */
67
typedef enum {
68
                                                                                              //   unit   |      access
69
                                                                                              //          | sealed  | unsealed
70
                                                                                              // ---------+---------+----------
71
  BQ27500_LLD_STD_CMD_Control = 0x00u, BQ27500_LLD_STD_CMD_CNTL = 0x00u,                      // N/A      | R/W     | R/W
72
  BQ27500_LLD_STD_CMD_AtRate = 0x02u, BQ27500_LLD_STD_CMD_AR = 0x02u,                         // mA       | R/W     | R/W
73
  BQ27500_LLD_STD_CMD_AtRateTimeToEmpty = 0x04u, BQ27500_LLD_STD_CMD_ARTTE = 0x04u,           // minutes  | R       | R/W
74
  BQ27500_LLD_STD_CMD_Temperatur = 0x06u, BQ27500_LLD_STD_CMD_TEMP = 0x06u,                   // 0.1 K    | R       | R/W
75
  BQ27500_LLD_STD_CMD_Voltage = 0x08u, BQ27500_LLD_STD_CMD_VOLT = 0x08u,                      // mV       | R       | R/W
76
  BQ27500_LLD_STD_CMD_Flags = 0x0Au, BQ27500_LLD_STD_CMD_FLAGS = 0x0Au,                       // N/A      | R       | R/W
77
  BQ27500_LLD_STD_CMD_NominalAvailableCapacity = 0x0Cu, BQ27500_LLD_STD_CMD_NAC = 0x0Cu,      // mAh      | R       | R/W
78
  BQ27500_LLD_STD_CMD_FullAvailableCapacity = 0x0Eu, BQ27500_LLD_STD_CMD_FAC = 0x0Eu,         // mAh      | R       | R/W
79
  BQ27500_LLD_STD_CMD_RemainingCapacity = 0x10u, BQ27500_LLD_STD_CMD_RM = 0x10u,              // mAh      | R       | R/W
80
  BQ27500_LLD_STD_CMD_FullChargeCapacity = 0x12u, BQ27500_LLD_STD_CMD_FCC = 0x12u,            // mAh      | R       | R/W
81
  BQ27500_LLD_STD_CMD_AverageCurrent = 0x14u, BQ27500_LLD_STD_CMD_AI = 0x14u,                 // mA       | R       | R/W
82
  BQ27500_LLD_STD_CMD_TimeToEmpty = 0x16u, BQ27500_LLD_STD_CMD_TTE = 0x16u,                   // minutes  | R       | R/W
83
  BQ27500_LLD_STD_CMD_TimeToFull = 0x18u, BQ27500_LLD_STD_CMD_TTF = 0x18u,                    // minutes  | R       | R/W
84
  BQ27500_LLD_STD_CMD_StandbyCurrent = 0x1Au, BQ27500_LLD_STD_CMD_SI = 0x1Au,                 // mA       | R       | R/W
85
  BQ27500_LLD_STD_CMD_StandbyTimeToEmpty = 0x1Cu, BQ27500_LLD_STD_CMD_STTE = 0x1Cu,           // minutes  | R       | R/W
86
  BQ27500_LLD_STD_CMD_MaxLoadCurrent = 0x1Eu, BQ27500_LLD_STD_CMD_MLI = 0x1Eu,                // mA       | R       | R/W
87
  BQ27500_LLD_STD_CMD_MaxLoadTimeToEmpty = 0x20u, BQ27500_LLD_STD_CMD_MLTTE = 0x20u,          // minutes  | R       | R/W
88
  BQ27500_LLD_STD_CMD_AvailableEnergy = 0x22u, BQ27500_LLD_STD_CMD_AE = 0x22u,                // mWh      | R       | R/W
89
  BQ27500_LLD_STD_CMD_AveragePower = 0x24u, BQ27500_LLD_STD_CMD_AP = 0x24u,                   // mW       | R       | R/W
90
  BQ27500_LLD_STD_CMD_TimeToEmptyAtConstantPower = 0x26u, BQ27500_LLD_STD_CMD_TTECP = 0x26u,  // minutes  | R       | R/W
91
  BQ27500_LLD_STD_CMD_CycleCount = 0x2Au, BQ27500_LLD_STD_CMD_CC = 0x2Au,                     // counts   | R       | R/W
92
  BQ27500_LLD_STD_CMD_StateOfCharge = 0x2Cu, BQ27500_LLD_STD_CMD_SOC = 0x2Cu                  // %        | R       | R/W
93
} bq27500_lld_std_command_t;
94

    
95
/**
96
 * @brief Subcommands of the control command.
97
 */
98
typedef enum {
99
                                                  // sealed access
100
                                                  // -------------
101
  BQ27500_LLD_SUB_CMD_CONTROL_STATUS = 0x0000u,   // yes
102
  BQ27500_LLD_SUB_CMD_DEVICE_TYPE = 0x0001u,      // yes
103
  BQ27500_LLD_SUB_CMD_FW_VERSION = 0x0002u,       // yes
104
  BQ27500_LLD_SUB_CMD_HW_VERSION = 0x0003u,       // yes
105
  BQ27500_LLD_SUB_CMD_DF_CHECKSUM = 0x0004u,      // no
106
  BQ27500_LLD_SUB_CMD_RESET_DATA = 0x0005u,       // yes
107
  BQ27500_LLD_SUB_CMD_PREV_MACWRITE = 0x0007u,    // yes
108
  BQ27500_LLD_SUB_CMD_CHEM_ID = 0x0008u,          // yes
109
  BQ27500_LLD_SUB_CMD_BOARD_OFFSET = 0x0009u,     // no
110
  BQ27500_LLD_SUB_CMD_CC_INT_OFFSET = 0x000Au,    // no
111
  BQ27500_LLD_SUB_CMD_WRITE_OFFSET = 0x000Bu,     // no
112
  BQ27500_LLD_SUB_CMD_SET_HIBERNATE = 0x0011u,    // yes
113
  BQ27500_LLD_SUB_CMD_CLEAR_HIBERNATE = 0x0012u,  // yes
114
  BQ27500_LLD_SUB_CMD_SET_SLEEPp = 0x0013u,       // yes
115
  BQ27500_LLD_SUB_CMD_CLEAR_SLEEPp = 0x0014u,     // yes
116
  BQ27500_LLD_SUB_CMD_SEALED = 0x0020u,           // no
117
  BQ27500_LLD_SUB_CMD_IT_ENABLE = 0x0021u,        // no
118
  BQ27500_LLD_SUB_CMD_IF_CHECKSUM = 0x0022u,      // no
119
  BQ27500_LLD_SUB_CMD_CAL_MODE = 0x0040u,         // no
120
  BQ27500_LLD_SUB_CMD_RESET = 0x0041u,            // no
121
} bq27500_lld_control_subcmd_t;
122

    
123
/**
124
 * @brief Extended commands.
125
 */
126
typedef enum {
127
                                                                          // length | unit | sealed | unsealed
128
                                                                          // -------+------+--------+----------
129
  BQ27500_LLD_EXT_CMD_DesignCapacity = 0x3Cu, EXT_CMD_DCAP = 0x3Cu,       //      2 |  mAh |     R  |      R
130
  BQ27500_LLD_EXT_CMD_DataFlashClass = 0x3Eu, EXT_CMD_DFCLS = 0x3Eu,      //      1 |  N/A |    N/A |     R/W
131
  BQ27500_LLD_EXT_CMD_DataFlashBlock = 0x3Fu, EXT_CMD_DFBLK = 0x3Fu,      //      1 |  N/A |    R/W |     R/W
132
  BQ27500_LLD_EXT_CMD_BlockData = 0x40u, EXT_CMD_DFD = 0x40u,             //     32 |  N/A |     R  |     R/W
133
  BQ27500_LLD_EXT_CMD_BlockDataCheckSum = 0x60u,EXT_CMD_DFDCKS = 0x60u,   //      1 |  N/A |    R/W |     R/W
134
  BQ27500_LLD_EXT_CMD_BlockDataControl = 0x61u, EXT_CMD_DFDCNTL = 0x61u,  //      1 |  N/A |    N/A |     R/W
135
  BQ27500_LLD_EXT_CMD_DeviceNameLength = 0x62u, EXT_CMD_DNAMELEN = 0x62u, //      1 |  N/A |     R  |      R
136
  BQ27500_LLD_EXT_CMD_DeviceName = 0x63u, EXT_CMD_DNAME = 0x63u,          //      7 |  N/A |     R  |      R
137
  BQ27500_LLD_EXT_CMD_ApplicationStatus = 0x6Au, EXT_CMD_APPSTAT = 0x6Au  //      1 |  N/A |     R  |      R
138
} bq27500_lld_ext_command_t;
139

    
140
/**
141
 * @brief Read or write access to extended commands.
142
 */
143
typedef enum {
144
  BQ27500_LLD_EXT_CMD_READ = 0,
145
  BQ27500_LLD_EXT_CMD_WRITE = 1,
146
} bq27500_lld_ext_cmd_access_t;
147

    
148
/**
149
 * @brief Union to inspect the version value.
150
 */
151
typedef union {
152
  uint16_t value;
153
  struct {
154
    uint16_t minor_low : 4;
155
    uint16_t minor_high : 4;
156
    uint16_t major_low : 4;
157
    uint16_t major_high : 4;
158
  } content;
159
} bq27500_lld_version_t;
160

    
161
/**
162
 * @brief Union to inspect the flags register.
163
 */
164
typedef union {
165
  uint16_t value;
166
  struct {
167
    uint16_t dsg : 1;
168
    uint16_t socf : 1;
169
    uint16_t soc1 : 1;
170
    uint16_t bat_det : 1;
171
    uint16_t wait_id : 1;
172
    uint16_t ocv_gd : 1;
173
    uint16_t rsvd_6_7 : 2;
174
    uint16_t chg : 1;
175
    uint16_t fc : 1;
176
    uint16_t xchg : 1;
177
    uint16_t chg_inh : 1;
178
    uint16_t rsvd_12_13 : 2;
179
    uint16_t otd : 1;
180
    uint16_t otc : 1;
181
  } content;
182
} bq27500_lld_flags_t;
183

    
184
/**
185
 * @brief Union to inspect the control status.
186
 */
187
typedef union {
188
  uint16_t value;
189
  struct {
190
    uint16_t qen : 1;
191
    uint16_t vok : 1;
192
    uint16_t rup_dis : 1;
193
    uint16_t ldmd : 1;
194
    uint16_t sleep : 1;
195
    uint16_t snooze : 1;
196
    uint16_t hibernate : 1;
197
    uint16_t rsvd_7_8_9 : 3;
198
    uint16_t bca : 1;
199
    uint16_t cca : 1;
200
    uint16_t csv : 1;
201
    uint16_t ss : 1;
202
    uint16_t fas : 1;
203
    uint16_t rsvd_15 : 1;
204
  } content;
205
} bq27500_lld_control_status_t;
206

    
207
/**
208
 * @brief BQ27500 Driver struct.
209
 */
210
typedef struct {
211
  apalI2CDriver_t* i2cd;            /**< @brief I2C driver to access the BQ27500 */
212
  const apalControlGpio_t* gpio_batlow;   /**< @brief Gpio to indicate whether the battery is low  */
213
  const apalControlGpio_t* gpio_batgood;  /**< @brief Gpio to indicate whether the battery is good */
214
} BQ27500Driver;
215

    
216
/**
217
 * @brief Battery low enum.
218
 */
219
typedef enum {
220
  BQ27500_LLD_BATTERY_LOW = 0x01,
221
  BQ27500_LLD_BATTERY_NOT_LOW = 0x00,
222
} bq27500_lld_batlow_t;
223

    
224
/**
225
 * @brief Battery good enum.
226
 */
227
typedef enum {
228
  BQ27500_LLD_BATTERY_GOOD = 0x01,
229
  BQ27500_LLD_BATTERY_NOT_GOOD = 0x00,
230
} bq27500_lld_batgood_t;
231

    
232
#ifdef __cplusplus
233
extern "C" {
234
#endif
235
  apalExitStatus_t bq27500_lld_read_batlow(const BQ27500Driver* const bq27500, bq27500_lld_batlow_t* const batlow);
236
  apalExitStatus_t bq27500_lld_read_batgood(const BQ27500Driver* const bq27500, bq27500_lld_batgood_t* const batgood);
237
  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);
238
  apalExitStatus_t bq27500_lld_sub_command_call(const BQ27500Driver* const bq27500, const bq27500_lld_control_subcmd_t cmd, const apalTime_t timeout);
239
  apalExitStatus_t bq27500_lld_sub_command_read(const BQ27500Driver* const bq27500, uint16_t* const data, const apalTime_t timeout);
240
  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);
241
  apalExitStatus_t bq27500_lld_send_ctnl_data(const BQ27500Driver* const bq27500, const uint16_t data, const apalTime_t timeout);
242
  apalExitStatus_t bq27500_lld_compute_blockdata_checksum(const uint8_t* const blockdata, uint8_t* const sum);
243
#ifdef __cplusplus
244
}
245
#endif
246

    
247
#endif /* defined(AMIROLLD_CFG_USE_BQ27500) */
248

    
249
#endif /* _AMIROLLD_BQ27500_H_ */
250

    
251
/** @} */