jens
d2a116ce13
git-svn-id: http://moon:8086/svn/projects/HendiControl@161 fda53097-d464-4ada-af97-ba876c37ca34
27 lines
547 B
C
27 lines
547 B
C
/*
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* mcp42x6.c
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*
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* Created: 20.02.2019 20:44:16
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* Author: jens
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*/
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#include "mcp42x6.h"
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size_t MCP47x6_write_volatile_dac(uint16_t dac_value, uint8_t *buffer, size_t size)
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{
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*(buffer++) = ~mask & (uint8_t)(dac_value >> 8);
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*(buffer++) = (uint8_t)(dac_value >> 0);
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return 2;
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}
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size_t MCP47x6_write_volatile_mem(uint16_t dac_value, uint8_t *buffer, size_t size)
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{
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*(buffer++) = mask & 0x40;
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dac_value <<= 4;
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*(buffer++) = (uint8_t)(dac_value >> 8);
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*(buffer++) = (uint8_t)(dac_value >> 0);
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return 3;
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}
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