32 lines
1.3 KiB
C
32 lines
1.3 KiB
C
#ifndef __DAC161S997_H__
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#define __DAC161S997_H__
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#include "main.h"
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#include "user_spi.h"
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/* Defines ********************************************************************/
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/**
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* @defgroup DAC161S997_REGS
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* @{
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*/
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#define DAC161S997_XFR_REG 0x01 /**< Command: transfer data into register (protected write mode) */
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#define DAC161S997_NOP_REG 0x02 /**< Command: does nothing except resetting the timeout timer */
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#define DAC161S997_PROTECT_REG_WR_REG 0x03 /**< 1 means protected write mode in effect */
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#define DAC161S997_DACCODE_REG 0x04 /**< 16 bit DAC code to be written */
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#define DAC161S997_ERR_CONFIG_REG 0x05 /**< Configuration of error states */
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#define DAC161S997_ERR_LOW_REG 0x06 /**< DAC code for the <4mA alarm level */
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#define DAC161S997_ERR_HIGH_REG 0x07 /**< DAC code for the >20mA alarm level */
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#define DAC161S997_RESET_REG 0x08 /**< Command: reset the chip */
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#define DAC161S997_STATUS_REG 0x09 /**< Status of the chip */
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#define DAC161S997_SPI SPI1
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void dac161s997_write_reg(uint8_t dac_num, uint8_t reg, uint16_t data);
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uint16_t dac161s997_read(uint8_t reg);
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extern void dac161s997_init(void);
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extern void dac161s997_output(uint8_t dac_num, float current);
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// 定义DAC芯片编号（只有一块DAC161S997）
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#define DAC161S997 1
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#endif
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