jens
a794460fdc
git-svn-id: http://moon:8086/svn/projects/HendiControl@21 fda53097-d464-4ada-af97-ba876c37ca34
27 lines
547 B
C
27 lines
547 B
C
/*
|
|
* mcp42x6.c
|
|
*
|
|
* Created: 20.02.2019 20:44:16
|
|
* Author: jens
|
|
*/
|
|
|
|
#include "mcp42x6.h"
|
|
|
|
size_t MCP47x6_write_volatile_dac(uint16_t dac_value, uint8_t *buffer, size_t size)
|
|
{
|
|
*(buffer++) = ~mask & (uint8_t)(dac_value >> 8);
|
|
*(buffer++) = (uint8_t)(dac_value >> 0);
|
|
|
|
return 2;
|
|
}
|
|
|
|
size_t MCP47x6_write_volatile_mem(uint16_t dac_value, uint8_t *buffer, size_t size)
|
|
{
|
|
*(buffer++) = mask & 0x40;
|
|
dac_value <<= 4;
|
|
*(buffer++) = (uint8_t)(dac_value >> 8);
|
|
*(buffer++) = (uint8_t)(dac_value >> 0);
|
|
|
|
return 3;
|
|
}
|