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Diffstat (limited to 'cpukit/dev/include/dev/i2c/ti-ads-16bit-adc.h')
| -rw-r--r-- | cpukit/dev/include/dev/i2c/ti-ads-16bit-adc.h | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/cpukit/dev/include/dev/i2c/ti-ads-16bit-adc.h b/cpukit/dev/include/dev/i2c/ti-ads-16bit-adc.h deleted file mode 100644 index 40d680da88..0000000000 --- a/cpukit/dev/include/dev/i2c/ti-ads-16bit-adc.h +++ /dev/null @@ -1,203 +0,0 @@ -/* - * Copyright (c) 2016-2017 Chris Johns <chrisj@rtems.org> - * All rights reserved. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -/* - * TI ADS1113 and ADS1115. - * http://www.ti.com/product/ads1113/description - */ - -#ifndef TI_ADS1113_ADS1115_H -#define TI_ADS1113_ADS1115_H - -#include <dev/i2c/i2c.h> - -/* - * Supported devices. Please others once tested. - */ -typedef enum { - TI_ADS1113, - TI_ADS1114, - TI_ADS1115 -} ti_ads_adc; - -/* - * Multiplexer interface. Avalable on ADS1115. - */ -typedef enum { - TI_ADS_MUX_ApA0_AnA1 = 0, /* default */ - TI_ADS_MUX_ApA0_AnA3 = 1, - TI_ADS_MUX_ApA1_AnA3 = 2, - TI_ADS_MUX_ApA2_AnA3 = 3, - TI_ADS_MUX_ApA0_AnGND = 4, - TI_ADS_MUX_ApA1_AnGND = 5, - TI_ADS_MUX_ApA2_AnGND = 6, - TI_ADS_MUX_ApA3_AnGND = 7 -} ti_ads_adc_mux; - -/* - * Programmable Gain Amplifier. Avalable on ADS1114 and ADS1115. - */ -typedef enum { - TI_ADS_PGA_FS_6_144V = 0, - TI_ADS_PGA_FS_4_096V = 1, - TI_ADS_PGA_FS_2_048V = 2, /* default */ - TI_ADS_PGA_FS_1_024V = 3, - TI_ADS_PGA_FS_0_512V = 4, - TI_ADS_PGA_FS_0_256V = 5, - TI_ADS_PGA_FS_0_256V_2 = 6, - TI_ADS_PGA_FS_0_256V_3 = 7, -} ti_ads_adc_pga; - -/* - * Mode. - */ -typedef enum { - TI_ADS_MODE_CONTINUOUS = 0, - TI_ADS_MODE_SINGLE_SHOT = 1, /* default */ -} ti_ads_adc_mode; - -/* - * Data rate. - */ -typedef enum { - TI_ADS_DATARATE_8SPS = 0, - TI_ADS_DATARATE_16SPS = 1, - TI_ADS_DATARATE_32SPS = 2, - TI_ADS_DATARATE_64SPS = 3, - TI_ADS_DATARATE_128SPS = 4, /* default */ - TI_ADS_DATARATE_250SPS = 5, - TI_ADS_DATARATE_475SPS = 6, - TI_ADS_DATARATE_860SPS = 7, -} ti_ads_adc_data_rate; - -/* - * Comparitor interface. Avalable on ADS1114 and ADS1115. - * - * Create a value to write. - */ -#define TI_ADS_COMP_MODE_HYSTERESIS (0 << 4) /* default */ -#define TI_ADS_COMP_MODE_WINDOW (1 << 4) -#define TI_ADS_COMP_POL_ACTIVE_LOW (0 << 3) /* default */ -#define TI_ADS_COMP_POL_ACTIVE_HIGH (1 << 3) -#define TI_ADS_COMP_LAT_NON_LATCHING (0 << 2) /* default */ -#define TI_ADS_COMP_LAT_LATCHING (1 << 2) -#define TI_ADS_COMP_QUE_DISABLE_COMP (3 << 0) /* default */ -#define TI_ADS_COMP_QUE_AFTER_4 (2 << 0) -#define TI_ADS_COMP_QUE_AFTER_2 (1 << 0) -#define TI_ADS_COMP_QUE_AFTER_1 (0 << 0) - -/* - * IO control interface. - * - * Note: if in Power-down single-shot mode (default) a conversion requires the - * device to power up and perform a conversion and this can take - * while. The TI_ADS_ADC_GET_CONV_WAIT call sets the micro-seconds to - * wait between polls. The actual rate will depend on the system tick. - */ -#define TI_ADS_ADC_GET_CONVERSION (I2C_DEV_IO_CONTROL + 0) -#define TI_ADS_ADC_SET_MUX (I2C_DEV_IO_CONTROL + 1) -#define TI_ADS_ADC_SET_PGA (I2C_DEV_IO_CONTROL + 2) -#define TI_ADS_ADC_SET_MODE (I2C_DEV_IO_CONTROL + 3) -#define TI_ADS_ADC_SET_DATA_RATE (I2C_DEV_IO_CONTROL + 4) -#define TI_ADS_ADC_SET_COMP (I2C_DEV_IO_CONTROL + 5) -#define TI_ADS_ADC_SET_LO_THRESH (I2C_DEV_IO_CONTROL + 6) -#define TI_ADS_ADC_SET_HI_THRESH (I2C_DEV_IO_CONTROL + 7) -#define TI_ADS_ADC_SET_CONV_WAIT (I2C_DEV_IO_CONTROL + 8) - -/* - * Register the device. - */ -int i2c_dev_register_ti_ads_adc(const char* bus_path, - const char* dev_path, - uint16_t address, - ti_ads_adc device); - -/* - * Perform a conversion. If the mode is single shot a single shot conversion is - * started and the call waits for the conversion to complete. - */ -static inline int -ti_ads_adc_convert(int fd, uint16_t* sample) -{ - return ioctl(fd, TI_ADS_ADC_GET_CONVERSION, sample); -} - -/* - * Set the multipler. - */ -static inline int -ti_ads_adc_set_mux(int fd, ti_ads_adc_mux mux) -{ - return ioctl(fd, TI_ADS_ADC_SET_MUX, (void *)(uintptr_t) mux); -} - -/* - * Set the PGA. - */ -static inline int -ti_ads_adc_set_pga(int fd, ti_ads_adc_pga pga) -{ - return ioctl(fd, TI_ADS_ADC_SET_PGA, (void *)(uintptr_t) pga); -} - -/* - * Set the mode. - */ -static inline int -ti_ads_adc_set_mode(int fd, ti_ads_adc_mode mode) -{ - return ioctl(fd, TI_ADS_ADC_SET_MODE, (void *)(uintptr_t) mode); -} - -/* - * Set the data rate. - */ -static inline int -ti_ads_adc_set_data_rate(int fd, ti_ads_adc_data_rate rate) -{ - return ioctl(fd, TI_ADS_ADC_SET_DATA_RATE, (void *)(uintptr_t) rate); -} - -/* - * Configure the comparator. - */ -static inline int -ti_ads_adc_set_comparator(int fd, uint16_t comp) -{ - return ioctl(fd, TI_ADS_ADC_SET_COMP, (void *)(uintptr_t) comp); -} - -/* - * Set the lower threshold. - */ -static inline int -ti_ads_adc_set_low_threshold(int fd, uint16_t level) -{ - return ioctl(fd, TI_ADS_ADC_SET_LO_THRESH, (void *)(uintptr_t) level); -} - -/* - * Set the upper threshold. - */ -static inline int -ti_ads_adc_set_high_threshold(int fd, uint16_t level) -{ - return ioctl(fd, TI_ADS_ADC_SET_HI_THRESH, (void *)(uintptr_t) level); -} - -/* - * Set the conversion poll wait period. - */ -static inline int -ti_ads_adc_set_conversion_poll_wait(int fd, uint32_t micro_seconds) -{ - return ioctl(fd, TI_ADS_ADC_SET_CONV_WAIT, (void *)(uintptr_t) micro_seconds); -} - -#endif |