fan8  2.0.0.0
fan8.h
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22 
28 #ifndef FAN8_H
29 #define FAN8_H
30 
31 #ifdef __cplusplus
32 extern "C"{
33 #endif
34 
35 #include "mikrosdk_version.h"
36 
37 #ifdef __GNUC__
38 #if mikroSDK_GET_VERSION < 20800ul
39 #include "rcu_delays.h"
40 #else
41 #include "delays.h"
42 #endif
43 #endif
44 
45 #include "drv_digital_out.h"
46 #include "drv_digital_in.h"
47 #include "drv_i2c_master.h"
48 
69 #define FAN8_REG_TEMP_CH1 0x00
70 #define FAN8_REG_TEMP_CH2 0x01
71 #define FAN8_REG_CONFIG_BYTE 0x02
72 #define FAN8_REG_CH1_OT_LIMIT 0x03
73 #define FAN8_REG_CH2_OT_LIMIT 0x04
74 #define FAN8_REG_OT_STATUS 0x05
75 #define FAN8_REG_OT_MASK 0x06
76 #define FAN8_REG_PWM1_START_DC 0x07
77 #define FAN8_REG_PWM2_START_DC 0x08
78 #define FAN8_REG_PWM1_MAX_DC 0x09
79 #define FAN8_REG_PWM2_MAX_DC 0x0A
80 #define FAN8_REG_PWM1_TARGET_DC 0x0B
81 #define FAN8_REG_PWM2_TARGET_DC 0x0C
82 #define FAN8_REG_PWM1_INSTANTANEOUS_DC 0x0D
83 #define FAN8_REG_PWM2_INSTANTANEOUS_DC 0x0E
84 #define FAN8_REG_CH1_FAN_START_TEMP 0x0F
85 #define FAN8_REG_CH2_FAN_START_TEMP 0x10
86 #define FAN8_REG_FAN_CONFIGURATION 0x11
87 #define FAN8_REG_DC_ROC 0x12
88 #define FAN8_REG_DC_STEP_SIZE 0x13
89 #define FAN8_REG_PWM_FREQ_SEL 0x14
90 #define FAN8_REG_THERMISTOR_OFFSET 0x17
91 #define FAN8_REG_TACH1_VALUE 0x18
92 #define FAN8_REG_TACH2_VALUE 0x19
93 #define FAN8_REG_TACH1_LIMIT 0x1A
94 #define FAN8_REG_TACH2_LIMIT 0x1B
95 #define FAN8_REG_FAN_STATUS_BYTE 0x1C
96 #define FAN8_REG_CH1_TEMP_LSB 0x1E
97 #define FAN8_REG_CH2_TEMP_LSB 0x1F
98 #define FAN8_REG_DEVICE_REV 0xFD
99 #define FAN8_REG_DEVICE_ID 0xFE
100 #define FAN8_REG_MANUFACTURER_ID 0xFF
101  // fan8_reg
103 
118 #define FAN8_DEVICE_ID 0x68
119 
124 #define FAN8_RESET 0x40
125 
130 #define FAN8_FAN_CHANNEL_1 0x01
131 #define FAN8_FAN_CHANNEL_2 0x02
132 
137 #define FAN8_FAN_CHANNEL_1 0x01
138 #define FAN8_FAN_CHANNEL_2 0x02
139 
144 #define FAN8_TEMP_CHANNEL_1 0x01
145 #define FAN8_TEMP_CHANNEL_2 0x02
146 
151 #define FAN8_TEMPERATURE_RESOLUTION 0.125
152 
157 #define FAN8_MAX_DUTY_CYCLE 240
158 #define FAN8_MIN_DUTY_CYCLE 0
159 #define FAN8_DUTY_CYCLE_STEP_2 2
160 #define FAN8_DUTY_CYCLE_STEP_4 4
161 #define FAN8_DUTY_CYCLE_STEP_6 6
162 #define FAN8_DUTY_CYCLE_STEP_8 8
163 #define FAN8_DUTY_CYCLE_STEP_10 10
164 #define FAN8_DUTY_CYCLE_STEP_12 12
165 #define FAN8_DUTY_CYCLE_STEP_14 14
166 #define FAN8_DUTY_CYCLE_STEP_16 16
167 
172 #define FAN8_CLOCK_COUNTER_FREQ 1950
173 #define FAN8_SEC_PER_MIN 60
174 #define FAN8_2_PULSES_PER_REVOLUTION 2
175 #define FAN8_MAX_TACH_VALUE 255
176 
182 #define FAN8_DEV_ADDR_ADD0_GND_ADD1_GND 0x18
183 #define FAN8_DEV_ADDR_ADD0_GND_ADD1_HIGH_Z 0x19
184 #define FAN8_DEV_ADDR_ADD0_GND_ADD1_VCC 0x1A
185 #define FAN8_DEV_ADDR_ADD0_HIGH_Z_ADD1_GND 0x29
186 #define FAN8_DEV_ADDR_ADD0_HIGH_Z_ADD1_HIGH_Z 0x2A
187 #define FAN8_DEV_ADDR_ADD0_HIGH_Z_ADD1_VCC 0x2B
188 #define FAN8_DEV_ADDR_ADD0_VCC_ADD1_GND 0x4C
189 #define FAN8_DEV_ADDR_ADD0_VCC_ADD1_HIGH_Z 0x4D
190 #define FAN8_DEV_ADDR_ADD0_VCC_ADD1_VCC 0x4E
191  // fan8_set
193 
208 #define FAN8_MAP_MIKROBUS( cfg, mikrobus ) \
209  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
210  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
211  cfg.ot = MIKROBUS( mikrobus, MIKROBUS_AN ); \
212  cfg.fan_fail = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
213  cfg.fault = MIKROBUS( mikrobus, MIKROBUS_INT )
214  // fan8_map // fan8
217 
222 typedef struct
223 {
224  // Input pins
225  digital_in_t ot;
226  digital_in_t fan_fail;
227  digital_in_t fault;
229  // Modules
230  i2c_master_t i2c;
232  // I2C slave address
233  uint8_t slave_address;
235 } fan8_t;
236 
241 typedef struct
242 {
243  pin_name_t scl;
244  pin_name_t sda;
246  pin_name_t ot;
247  pin_name_t fan_fail;
248  pin_name_t fault;
250  uint32_t i2c_speed;
251  uint8_t i2c_address;
253 } fan8_cfg_t;
254 
259 typedef enum
260 {
261  FAN8_OK = 0,
262  FAN8_ERROR = -1
263 
265 
282 
297 err_t fan8_init ( fan8_t *ctx, fan8_cfg_t *cfg );
298 
312 err_t fan8_default_cfg ( fan8_t *ctx );
313 
327 err_t fan8_write_register ( fan8_t *ctx, uint8_t reg, uint8_t data_in );
328 
342 err_t fan8_read_register ( fan8_t *ctx, uint8_t reg, uint8_t *data_out );
343 
353 
363 
373 
386 
403 err_t fan8_set_duty_cycle ( fan8_t *ctx, uint8_t fan_ch, uint8_t duty_cycle );
404 
422 err_t fan8_measure_rpm ( fan8_t *ctx, uint8_t fan_ch, uint8_t num_pulses, uint16_t *fan_rpm );
423 
441 err_t fan8_read_temperature ( fan8_t *ctx, uint8_t temp_ch, float *temperature );
442 
454 err_t fan8_reset ( fan8_t *ctx );
455 
456 #ifdef __cplusplus
457 }
458 #endif
459 #endif // FAN8_H
460  // fan8
462 
463 // ------------------------------------------------------------------------ END
fan8_init
err_t fan8_init(fan8_t *ctx, fan8_cfg_t *cfg)
FAN 8 initialization function.
fan8_t::ot
digital_in_t ot
Definition: fan8.h:225
fan8_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: fan8.h:250
fan8_cfg_t::fan_fail
pin_name_t fan_fail
Definition: fan8.h:247
fan8_cfg_t::ot
pin_name_t ot
Definition: fan8.h:246
fan8_cfg_setup
void fan8_cfg_setup(fan8_cfg_t *cfg)
FAN 8 configuration object setup function.
fan8_check_fan_fail_indicator
uint8_t fan8_check_fan_fail_indicator(fan8_t *ctx)
FAN 8 check fan fail indicator function.
fan8_cfg_t::scl
pin_name_t scl
Definition: fan8.h:243
fan8_t::fan_fail
digital_in_t fan_fail
Definition: fan8.h:226
fan8_check_device_id
err_t fan8_check_device_id(fan8_t *ctx)
FAN 8 check device ID function.
fan8_check_overtemperature_indicator
uint8_t fan8_check_overtemperature_indicator(fan8_t *ctx)
FAN 8 check overtemperature indicator function.
fan8_t::i2c
i2c_master_t i2c
Definition: fan8.h:230
fan8_t
FAN 8 Click context object.
Definition: fan8.h:223
fan8_reset
err_t fan8_reset(fan8_t *ctx)
FAN 8 reset function.
fan8_t::slave_address
uint8_t slave_address
Definition: fan8.h:233
fan8_return_value_t
fan8_return_value_t
FAN 8 Click return value data.
Definition: fan8.h:260
fan8_read_register
err_t fan8_read_register(fan8_t *ctx, uint8_t reg, uint8_t *data_out)
FAN 8 read register function.
fan8_check_fault_indicator
uint8_t fan8_check_fault_indicator(fan8_t *ctx)
FAN 8 check fault indicator function.
fan8_cfg_t::i2c_address
uint8_t i2c_address
Definition: fan8.h:251
fan8_set_duty_cycle
err_t fan8_set_duty_cycle(fan8_t *ctx, uint8_t fan_ch, uint8_t duty_cycle)
FAN 8 set duty cycle function.
fan8_default_cfg
err_t fan8_default_cfg(fan8_t *ctx)
FAN 8 default configuration function.
fan8_measure_rpm
err_t fan8_measure_rpm(fan8_t *ctx, uint8_t fan_ch, uint8_t num_pulses, uint16_t *fan_rpm)
FAN 8 measure fan RPM function.
fan8_cfg_t
FAN 8 Click configuration object.
Definition: fan8.h:242
FAN8_OK
@ FAN8_OK
Definition: fan8.h:261
fan8_read_temperature
err_t fan8_read_temperature(fan8_t *ctx, uint8_t temp_ch, float *temperature)
FAN 8 read temperature function.
fan8_cfg_t::sda
pin_name_t sda
Definition: fan8.h:244
fan8_t::fault
digital_in_t fault
Definition: fan8.h:227
fan8_cfg_t::fault
pin_name_t fault
Definition: fan8.h:248
FAN8_ERROR
@ FAN8_ERROR
Definition: fan8.h:262
fan8_write_register
err_t fan8_write_register(fan8_t *ctx, uint8_t reg, uint8_t data_in)
FAN 8 write register function.