initial WIP

lots of code copied over, things filled in to hopefully get the LED matrix lighting up. untested.

firmware/app/ch32x035_it.c

@@ -0,0 +1,56 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : ch32x035_it.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2024/10/28
+ * Description        : Main Interrupt Service Routines.
+*********************************************************************************
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* Attention: This software (modified or not) and binary are used for 
+* microcontroller manufactured by Nanjing Qinheng Microelectronics.
+*******************************************************************************/
+#include "ch32x035_it.h"
+
+#include "driver/adc.h"
+
+
+void NMI_Handler(void) __attribute__((interrupt)); //("WCH-Interrupt-fast")));
+void HardFault_Handler(void) __attribute__((interrupt)); //("WCH-Interrupt-fast")));
+
+/*********************************************************************
+ * @fn      NMI_Handler
+ *
+ * @brief   This function handles NMI exception.
+ *
+ * @return  none
+ */
+void NMI_Handler(void)
+{
+    while (1)
+  {
+  }
+}
+
+/*********************************************************************
+ * @fn      HardFault_Handler
+ *
+ * @brief   This function handles Hard Fault exception.
+ *
+ * @return  none
+ */
+void HardFault_Handler(void)
+{
+  NVIC_SystemReset();
+  while (1)
+  {
+  }
+}
+
+
+void ADC1_IRQHandler() __attribute__((interrupt("WCH-Interrupt-fast")));
+void ADC1_IRQHandler()
+{
+    adc_isr();
+}
+
+