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35 #include "drv_digital_out.h"
36 #include "drv_digital_in.h"
37 #include "drv_spi_master.h"
60 #define LDC2_REG_DEVICE_ID 0x00
61 #define LDC2_REG_RP_MAX 0x01
62 #define LDC2_REG_RP_MIN 0x02
63 #define LDC2_REG_WDT_FREQ 0x03
64 #define LDC2_REG_LDC_CONFIG 0x04
65 #define LDC2_REG_COMPARATOR_THLD_HIGH 0x07
66 #define LDC2_REG_COMPARATOR_THLD_LOW 0x09
67 #define LDC2_REG_INTB_TERMINAL_CONFIG 0x0A
68 #define LDC2_REG_POWER_CONFIG 0x0B
69 #define LDC2_REG_STATUS 0x20
70 #define LDC2_REG_PROXIMITY_DATA 0x22
71 #define LDC2_REG_FREQ_CNT_DATA_LSB 0x23
72 #define LDC2_REG_FREQ_CNT_DATA_MID_BYTE 0x24
73 #define LDC2_REG_FREQ_CNT_DATA_MSB 0x25
91 #define LDC2_DEVICE_ID 0x84
97 #define LDC2_SPI_READ_MASK 0x80
98 #define LDC2_SPI_WRITE_MASK 0x7F
104 #define LDC2_COMPARATOR_THLD_MIN 0x00
105 #define LDC2_COMPARATOR_THLD_MAX 0xFF
111 #define LDC2_STATUS_OSC_STOPPED 0x80
112 #define LDC2_STATUS_NO_NEW_DATA 0x40
113 #define LDC2_STATUS_WAKE_UP_DISABLED 0x20
114 #define LDC2_STATUS_PROX_DATA_LESS_THAN_THLD 0x10
120 #define LDC2_MHZ_TO_HZ 1000000.0
121 #define LDC2_EXTERNAL_OSC_MHZ 1.8432
122 #define LDC2_PARALLEL_CAPACITANCE_uF 0.000047
123 #define LDC2_MIN_SENSOR_FREQ_CONST 68.94
124 #define LDC2_MIN_SENSOR_FREQ_DIVIDER 2500.0
125 #define LDC2_ROUND_TO_NEAREST_INT 0.5
135 #define LDC2_SET_DATA_SAMPLE_EDGE SET_SPI_DATA_SAMPLE_EDGE
136 #define LDC2_SET_DATA_SAMPLE_MIDDLE SET_SPI_DATA_SAMPLE_MIDDLE
154 #define LDC2_MAP_MIKROBUS( cfg, mikrobus ) \
155 cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
156 cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
157 cfg.sck = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
158 cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS ); \
159 cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
err_t ldc2_get_status(ldc2_t *ctx, uint8_t *status)
LDC 2 get status function.
uint32_t spi_speed
Definition: ldc2.h:195
err_t ldc2_read_raw_data(ldc2_t *ctx, uint8_t *prox_data, uint32_t *freq_cnt)
LDC 2 read raw data function.
This file contains SPI specific macros, functions, etc.
err_t ldc2_set_wdt_frequency(ldc2_t *ctx)
LDC 2 set watchdog timer frequency function.
err_t ldc2_get_rp_range(ldc2_t *ctx, float *rp_min, float *rp_max)
LDC 2 get Rp range function.
void ldc2_cfg_setup(ldc2_cfg_t *cfg)
LDC 2 configuration object setup function.
ldc2_pwr_mode_t
LDC 2 Click Power configuration values.
Definition: ldc2.h:297
err_t ldc2_generic_write(ldc2_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len)
LDC 2 data writing function.
pin_name_t chip_select
Definition: ldc2.h:175
err_t ldc2_default_cfg(ldc2_t *ctx)
LDC 2 default configuration function.
LDC 2 Click configuration object.
Definition: ldc2.h:183
err_t ldc2_check_device_id(ldc2_t *ctx)
LDC 2 check device ID function.
err_t ldc2_set_power_mode(ldc2_t *ctx, ldc2_pwr_mode_t mode)
LDC 2 set power mode function.
err_t ldc2_set_interrupt_mode(ldc2_t *ctx, ldc2_int_mode_t mode)
LDC 2 set interrupt mode function.
ldc2_amplitude_t
LDC 2 Click amplitude values.
Definition: ldc2.h:257
pin_name_t int_pin
Definition: ldc2.h:192
uint8_t ldc2_get_int_pin(ldc2_t *ctx)
LDC 2 get int pin function.
err_t ldc2_generic_read(ldc2_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len)
LDC 2 data reading function.
pin_name_t sck
Definition: ldc2.h:188
err_t ldc2_get_sensor_frequency(ldc2_t *ctx, float *freq)
LDC 2 get sensor frequency function.
err_t ldc2_set_comparator_threshold(ldc2_t *ctx, uint8_t thld_low, uint8_t thld_high)
LDC 2 set comparator threshold function.
spi_master_mode_t spi_mode
Definition: ldc2.h:196
spi_master_chip_select_polarity_t cs_polarity
Definition: ldc2.h:197
LDC 2 Click context object.
Definition: ldc2.h:168
ldc2_rp_range_t
LDC 2 Click Rp range values.
Definition: ldc2.h:216
err_t ldc2_measure_inductance(ldc2_t *ctx, float *freq, float *inductance)
LDC 2 measure inductance function.
pin_name_t miso
Definition: ldc2.h:186
pin_name_t cs
Definition: ldc2.h:189
err_t ldc2_set_ldc_config(ldc2_t *ctx, ldc2_amplitude_t amplitude, ldc2_resp_time_t res_time)
LDC 2 set LDC config function.
spi_master_t spi
Definition: ldc2.h:173
digital_in_t int_pin
Definition: ldc2.h:170
err_t ldc2_set_rp_range(ldc2_t *ctx, ldc2_rp_range_t rp_min, ldc2_rp_range_t rp_max)
LDC 2 set Rp range function.
pin_name_t mosi
Definition: ldc2.h:187
err_t ldc2_measure_resonance_impedance(ldc2_t *ctx, uint8_t *prox_data, float *rp_data)
LDC 2 measure resonance impedance function.
ldc2_return_value_t
LDC 2 Click return value data.
Definition: ldc2.h:205
err_t ldc2_init(ldc2_t *ctx, ldc2_cfg_t *cfg)
LDC 2 initialization function.
ldc2_resp_time_t
LDC 2 Click response time values.
Definition: ldc2.h:269
ldc2_int_mode_t
LDC 2 Click INTB Terminal configuration values.
Definition: ldc2.h:284
err_t ldc2_get_response_time(ldc2_t *ctx, uint16_t *res_time)
LDC 2 get response time function.