From a5bfd0e961dea35e20353b80cd959679b9d01f57 Mon Sep 17 00:00:00 2001
From: Kizarm <mrazik@volny.cz>
Date: Sun, 5 Jan 2025 11:49:29 +0100
Subject: [PATCH] small change

---
 V203/usb/ch32v203/adcscope.cpp | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/V203/usb/ch32v203/adcscope.cpp b/V203/usb/ch32v203/adcscope.cpp
index 9689970..6a23a7d 100644
--- a/V203/usb/ch32v203/adcscope.cpp
+++ b/V203/usb/ch32v203/adcscope.cpp
@@ -69,12 +69,18 @@ static inline void AdcCalibrate (void) noexcept {
   RCC.APB2PRSTR.B.ADC1RST = SET;
   RCC.APB2PRSTR.B.ADC1RST = RESET;  
   // set channels
-  ADC1.RSQR3__CHANNEL.B.SQ1__CHSEL  = 0u;      // CH0
-  ADC1.RSQR3__CHANNEL.B.SQ2         = 1u;      // CH1
+  ADC1.RSQR3__CHANNEL.modify([](ADC1_Type::RSQR3__CHANNEL_DEF & r) -> auto {
+    r.B.SQ1__CHSEL  = 0u;      // CH0
+    r.B.SQ2         = 1u;      // CH1
+    return r.R;
+  });
   ADC1.RSQR1.B.L      = ADC_MAXCHANNELS - 1U;  // 2 regular conversion
-  static constexpr unsigned ts = 0u;
-  ADC1.SAMPTR2_CHARGE2.B.SMP2_TKCG2 = ts;
-  ADC1.SAMPTR2_CHARGE2.B.SMP3_TKCG3 = ts;
+  ADC1.SAMPTR2_CHARGE2.modify([](ADC1_Type::SAMPTR2_CHARGE2_DEF & r) -> auto {
+    static constexpr unsigned ts = 0u;
+    r.B.SMP0_TKCG0 = ts;
+    r.B.SMP1_TKCG1 = ts;
+    return r.R;
+  });
   ADC1.CTLR1.B.SCAN   = SET;
   
   ADC1.CTLR2.B.ADON   = SET;