Searched +full:excitation +full:- +full:current +full:- +full:microamp (Results 1 – 4 of 4) sorted by relevance
1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)3 ---4 $id: http://devicetree.org/schemas/iio/afe/temperature-sense-rtd.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#10 - Liam Beguin <liambeguin@gmail.com>17 When an io-channel measures the output voltage across an RTD such as a25 T = 1 / (alpha * r0 * iexc) * (V - r0 * iexc)30 -----32 +---+----+34 +---+----+[all …]
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)3 ---5 $schema: http://devicetree.org/meta-schemas/core.yaml#10 - Cosmin Tanislav <cosmin.tanislav@analog.com>13 The AD74115H is a single-channel software configurable input/output17 chip solution with an SPI interface. The device features a 16-bit ADC and a18 14-bit DAC.25 - adi,ad74115h30 spi-max-frequency:33 spi-cpol: true[all …]
1 // SPDX-License-Identifier: GPL-2.033 *val *= rescale->numerator; in rescale_process_scale()34 if (rescale->denominator == 1) in rescale_process_scale()36 *val2 = rescale->denominator; in rescale_process_scale()44 if (!check_mul_overflow(*val, rescale->numerator, &_val) && in rescale_process_scale()45 !check_mul_overflow(*val2, rescale->denominator, &_val2)) { in rescale_process_scale()53 tmp = div_s64(tmp, rescale->denominator); in rescale_process_scale()54 tmp *= rescale->numerator; in rescale_process_scale()82 * *val = 1 and *val2 = -0.5 yields -1.5 not -0.5. in rescale_process_scale()86 tmp = (s64)abs(*val) * abs(rescale->numerator); in rescale_process_scale()[all …]
1 // SPDX-License-Identifier: GPL-2.03 * Analog Devices LTC2983 Multi-Sensor Digital Temperature Measurement System60 (((chan - 1) * 4) + LTC2983_CHAN_ASSIGN_START_REG)62 (((chan - 1) * 4) + LTC2983_TEMP_RES_START_REG)312 * instance a resolution of 2^-10 means we have 10 fractional bits.326 s64 __res = -(s32)val; in __convert_to_raw_sign()330 return (u32)-__res; in __convert_to_raw_sign()337 const struct device *dev = &st->spi->dev; in __ltc2983_fault_handler()341 return -EIO; in __ltc2983_fault_handler()354 u32 reg = LTC2983_CHAN_START_ADDR(sensor->chan); in __ltc2983_chan_assign_common()[all …]