From 8164d47b353a850de13f2d512ca851c39e9be2e2 Mon Sep 17 00:00:00 2001
From: roy01 <flyu0033136@gmail.com>
Date: Fri, 12 Jun 2026 10:39:14 +0800
Subject: [PATCH] refactor: streamline adc_init()

---
 .../PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h     |  2 +-
 .../PFC_LLC_2026-05-20_2P2Z_ok/src/init.c     | 81 ++++++++-----------
 2 files changed, 34 insertions(+), 49 deletions(-)

diff --git a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
index 72d300d..7e406b2 100644
--- a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
+++ b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
@@ -13,7 +13,7 @@
 void SYS_Config();
 void gpio_config();
 void opa_config();
-void adc_config();
+void adc_init(void);
 //-------------------------------------
 void llc_pwm_config(); // LLC
 
diff --git a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
index 6bc5f78..cf39e4c 100644
--- a/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
+++ b/pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
@@ -1,8 +1,5 @@
-/*
- * init.c
- *
- *  Created on: 2025年8月18日
- *      Author: jim_liao
+/**
+ * Copyright (c) 2026 Wisetop. All Rights Reserved.
  */
 
 #include "init.h"
@@ -12,7 +9,6 @@
 //=============================================================================
 //                  Constant Definition
 //=============================================================================
-// #define CONFIG_OPA_PGA_GAIN     OPAMP_PGAGain_1 //OPAMP_PGAGain_5
 
 //=============================================================================
 //                  Public Function Definition
@@ -75,7 +71,7 @@ void SYS_Config()
 
   gpio_config();
   opa_config();
-  adc_config();
+  adc_init();
   llc_pwm_config(); // 初始化但不輸出 EPWM_CH1
   pfc_pwm_config(); // 初始化但不輸出 TIM2_CH1
 
@@ -123,15 +119,6 @@ void gpio_config()
   GPIO_InitStruct.GPIO_AF_Mode = GPIO_AF_5; // AF5 = TIM2
   GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-  //-----------------//
-  //		ADC
-  //  PA7(iac), PA10(vbus), PA13(vac)  //  PA11(cr), PA12(vfb)-->GPIO
-  //-----------------//
-  GPIO_InitTypeDef GPIO_InitADC;
-  GPIO_InitADC.GPIO_Pin = GPIO_Pin_07 | GPIO_Pin_10 | GPIO_Pin_13; // | GPIO_Pin_11; // PA11(cr)
-  GPIO_InitADC.GPIO_Mode = GPIO_Mode_ANAL;
-  GPIO_Init(GPIOA, &GPIO_InitADC);
-
   //-----------------//
   //		Button
   //-----------------//
@@ -178,42 +165,40 @@ void opa_config(void)
   OPAMP_Enable(OPAMP0);
 }
 //===================================================================================
-void adc_config(void)
+void adc_init(void)
 {
-  ADC_InitTypeDef init = { 0 };
-  ADC_StructInit(&init);
+  // gpio
+  GPIO_InitTypeDef gpio_init;
+  gpio_init.GPIO_Pin = GPIO_Pin_10;  // vbus = PA10(AIN4)
+  gpio_init.GPIO_Pin |= GPIO_Pin_07; // iac = PA7(AIN9)
+  gpio_init.GPIO_Pin |= GPIO_Pin_13; // vac = PA13(AIN7)
+  gpio_init.GPIO_Pin |= GPIO_Pin_11; // vcr = PA11(AIN5)
+  gpio_init.GPIO_Mode = GPIO_Mode_ANAL;
+  GPIO_Init(GPIOA, &gpio_init);
 
-  ADC_InitTypeDef init1 = { 0 };
-  ADC_StructInit(&init1);
-  // iac = 	PA7 	= ADC_Channel_09
-  // vac = 	PA13 	= ADC_Channel_07
-  // vbus = 	PA10 	= ADC_Channel_04
-  // ----------------------------------------------
-  // vcr = 	PA11 	= ADC_Channel_05 (未使用)
-  // vfb = 	PA12 	= ADC_Channel_06 (使用 GPIO)
-  init1.SelChannels = ADC_Channel_04 | ADC_Channel_07 | ADC_Channel_09 | ADC_Channel_05;
-  // init1.SelChannels    = ADC_Channel_09 ;// OP_O 指定到 PA7 時，ADC 需要用 CH_09 讀取
-  init1.ClkPrescaler = ADC_ClkDiv_4; // 60M/4 = 15M，接近 1MSPS (1us 轉換時間), 最快速度
-  init1.DataAlign = ADC_DataAlign_Right;
-  init1.Mode = ADC_Mode_Scan; // Scan mode
-  ADC_Init(ADC0, &init1);
+  // adc
+  ADC_InitTypeDef adc_init = { 0 };
+  ADC_StructInit(&adc_init);
+  adc_init.SelChannels = ADC_Channel_04;
+  adc_init.SelChannels |= ADC_Channel_09;
+  adc_init.SelChannels |= ADC_Channel_07;
+  adc_init.SelChannels |= ADC_Channel_05;
+  adc_init.ClkPrescaler = ADC_ClkDiv_4; // 60M/4 = 15MHz, ADC max working clock is 16MHz
+  adc_init.DataAlign = ADC_DataAlign_Right;
+  adc_init.Mode = ADC_Mode_Scan; // Scan mode
+  ADC_Init(ADC0, &adc_init);
+  ADC_ExtTrigConfig(ADC0, ADC_ExtTrigSource_TIM0, ADC_ExtTrigMode_Enable); // tim0 trigger adc
 
-  // ADC_ExtTrigConfig(ADC0, ADC_ExtTrigSource_EPWM_CH2R, ADC_ExtTrigMode_Enable);
-  ADC_ExtTrigConfig(ADC0, ADC_ExtTrigSource_16, ADC_ExtTrigMode_Enable); // use tim0 trigger
+  // ADC interrupt config
+  sys_irq_attr_t irq_attr = {
+    .disable_vector = false,
+    .trig_mode = SYS_IRQ_TRIGGER_LEVEL,
+    .level = SYS_IRQ_LEVEL_H,
+    .priority = SYS_IRQ_PRIORITY_MIDDEN,
+  };
+  sys_register_IRQ(ADC0_IRQn, isr_adc_handle, &irq_attr);
 
-#if 1
-  { // Configure TIM interrupts
-    sys_irq_attr_t irq_attr = {
-      .disable_vector = false,
-    };
-
-    irq_attr.trig_mode = SYS_IRQ_TRIGGER_LEVEL;
-    irq_attr.level = SYS_IRQ_LEVEL_H;
-    irq_attr.priority = SYS_IRQ_PRIORITY_MIDDEN;
-    sys_register_IRQ(ADC0_IRQn, isr_adc_handle, &irq_attr);
-    ADC0->CON0_b.INT_EN = 1;
-  }
-#endif
+  ADC0->CON0_b.INT_EN = 1; // ADC interrupt enable
 }
 //===================================================================================
 void llc_pwm_config() // complimentary PWM for LLC