From 7077b8d448a847f593402381be5244f86eae75e8 Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@bitgloo.com>
Date: Tue, 25 Aug 2020 21:01:08 -0400
Subject: stable signal handling towards 100kHz
---
source/dac.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'source/dac.cpp')
diff --git a/source/dac.cpp b/source/dac.cpp
index 644689e..6d5950e 100644
--- a/source/dac.cpp
+++ b/source/dac.cpp
@@ -28,7 +28,7 @@ constexpr static const DACConversionGroup dac_group_config = {
};
constexpr static const GPTConfig gpt_config = {
- .frequency = 1000000,
+ .frequency = 4000000,
.callback = nullptr,
.cr2 = TIM_CR2_MMS_1, /* TRGO */
.dier = 0
@@ -48,7 +48,7 @@ namespace dac
void write_start(dacsample_t *buffer, size_t count)
{
dacStartConversion(dacd, &dac_group_config, buffer, count);
- gptStartContinuous(gptd, 100);
+ gptStartContinuous(gptd, 2);
}
void write_stop()
--
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