From 96e4883081e253287d18c93118399f39b71551ea Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <clyne@bitgloo.com>
Date: Sat, 22 Aug 2020 16:56:47 -0400
Subject: [PATCH] adc/dac passthrough

---
 cfg/mcuconf.h  | 4 ++--
 source/adc.cpp | 2 +-
 source/dac.cpp | 8 ++++----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/cfg/mcuconf.h b/cfg/mcuconf.h
index e1e50c3..d346e02 100644
--- a/cfg/mcuconf.h
+++ b/cfg/mcuconf.h
@@ -177,8 +177,8 @@
 #define STM32_GPT_USE_TIM2                  FALSE
 #define STM32_GPT_USE_TIM3                  FALSE
 #define STM32_GPT_USE_TIM4                  TRUE
-#define STM32_GPT_USE_TIM5                  TRUE
-#define STM32_GPT_USE_TIM6                  FALSE
+#define STM32_GPT_USE_TIM5                  FALSE
+#define STM32_GPT_USE_TIM6                  TRUE
 #define STM32_GPT_USE_TIM7                  FALSE
 #define STM32_GPT_USE_TIM8                  FALSE
 #define STM32_GPT_USE_TIM15                 FALSE
diff --git a/source/adc.cpp b/source/adc.cpp
index 9e0491e..1f65e68 100644
--- a/source/adc.cpp
+++ b/source/adc.cpp
@@ -77,7 +77,7 @@ namespace adc
         adc_operation_func = operation_func;
         adc_group_config.circular = true;
         adcStartConversion(adcd, &adc_group_config, buffer, count);
-        gptStartContinuous(gptd, 1000); // 10kHz
+        gptStartContinuous(gptd, 100); // 10kHz
     }
     
     void read_stop()
diff --git a/source/dac.cpp b/source/dac.cpp
index 6096d8e..644689e 100644
--- a/source/dac.cpp
+++ b/source/dac.cpp
@@ -12,7 +12,7 @@
 #include "dac.hpp"
 
 constexpr static const auto dacd = &DACD1;
-constexpr static const auto gptd = &GPTD5;
+constexpr static const auto gptd = &GPTD6;
 
 constexpr static const DACConfig dac_config = {
     .init = 0,
@@ -24,11 +24,11 @@ constexpr static const DACConversionGroup dac_group_config = {
   .num_channels = 1,
   .end_cb = nullptr,
   .error_cb = nullptr,
-  .trigger = DAC_TRG(3)
+  .trigger = DAC_TRG(0)
 };
 
 constexpr static const GPTConfig gpt_config = {
-  .frequency = 500000,
+  .frequency = 1000000,
   .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, 1);
+        gptStartContinuous(gptd, 100);
     }
     
     void write_stop()