You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1019 B
41 lines
1019 B
7 years ago
|
//
|
||
|
// Created by MightyPork on 2018/02/03.
|
||
|
//
|
||
|
|
||
|
#include "platform.h"
|
||
|
#include "unit_base.h"
|
||
|
#include "unit_dac.h"
|
||
|
|
||
|
#define DAC_INTERNAL
|
||
|
#include "_dac_internal.h"
|
||
|
|
||
|
/**
|
||
|
* Re-configure the
|
||
|
* @param unit
|
||
|
*/
|
||
|
void UDAC_Reconfigure(Unit *unit)
|
||
|
{
|
||
|
struct priv *priv = unit->data;
|
||
|
|
||
|
DAC->CR &= ~(DAC_CR_EN1 | DAC_CR_EN2);
|
||
|
uint32_t CR = 0;
|
||
|
if (priv->cfg.ch1.enable) {
|
||
|
CR |=
|
||
|
(priv->cfg.ch1.buffered ? 0 : DAC_CR_BOFF1) |
|
||
|
(priv->cfg.ch1.noise_type << DAC_CR_WAVE1_Pos) |
|
||
|
(priv->cfg.ch1.noise_level & 0xF) << DAC_CR_MAMP1_Pos |
|
||
|
(0b111 << DAC_CR_TSEL1_Pos); // software trigger;
|
||
|
|
||
|
CR |= DAC_CR_EN1;
|
||
|
}
|
||
|
if (priv->cfg.ch2.enable) {
|
||
|
CR |=
|
||
|
(priv->cfg.ch2.buffered ? 0 : DAC_CR_BOFF2) |
|
||
|
(priv->cfg.ch2.noise_type << DAC_CR_WAVE2_Pos) |
|
||
|
(priv->cfg.ch2.noise_level & 0xF) << DAC_CR_MAMP2_Pos |
|
||
|
(0b111 << DAC_CR_TSEL2_Pos); // software trigger
|
||
|
CR |= DAC_CR_EN2;
|
||
|
}
|
||
|
DAC->CR = CR;
|
||
|
}
|