wisetop/microchip-application-pec930-pec930_sdk
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refactor: streamline opa_init()

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This commit is contained in:
roy01
2026-06-12 10:39:39 +08:00
parent 8164d47b35
commit 7b4c689260
2 changed files with 15 additions and 28 deletions
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pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/inc/init.h
+1 -1
View File
@@ -12,7 +12,7 @@
void SYS_Config();
void gpio_config();
void opa_config();
void opa_init(void);
void adc_init(void);
//-------------------------------------
void llc_pwm_config(); // LLC
pec930_sdk-v1.0.1/Examples/template/PFC_LLC_2026-05-20_2P2Z_ok/src/init.c
+14 -27
View File
@@ -70,7 +70,7 @@ void SYS_Config()
// PWR_EnterDeepSleepMode(_Pre_Proc, _Post_Proc); // use WDG wake up 1 sec
gpio_config();
opa_config();
opa_init();
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
@@ -87,22 +87,9 @@ void SYS_Config()
//===================================================================================
void gpio_config()
{
//-----------------//
// OPA
// IN+ = PA8
// IN- = PA9
// OUT = PA7
//-----------------//
GPIO_InitTypeDef GPIO_InitStruct;
#if 1
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_07 | GPIO_Pin_08; // Pin_09 is set as power_ok
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_ANAL;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStruct);
#endif
#if 1
//-----------------//
// PWM
@@ -146,22 +133,22 @@ void gpio_config()
#endif
}
//===================================================================================
void opa_config(void)
void opa_init(void)
{
// gpio
GPIO_InitTypeDef gpio_init = { 0 };
gpio_init.GPIO_Pin = GPIO_Pin_07 | GPIO_Pin_08; // Pin_09 is set as power_ok
gpio_init.GPIO_Mode = GPIO_Mode_ANAL;
gpio_init.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &gpio_init);
// opa
OPAMP_InitTypeDef opa_init = { 0 };
opa_init.OPAMP_VinP = OPAMP_VinP_IO;
opa_init.OPAMP_VinM = OPAMP_VinM_GND; // 設定內部 GND ，PIN 留給 POWER_OK
opa_init.OPAMP_Vout = OPAMP_Vout_IO; // 拉到 IO，需要外部 500 ~ 1000pF 電容
opa_init.OPAMP_Gain = OPAMP_PGAGain_15; // 使用最大 15 倍，減少 RS 功耗
// 正向放大器 OK
// 電壓隨耦器 OK
// 反向放大器 NG
// V+ 接 1/2 VCC，差動放大器 OK
opa_init.OPAMP_VinP = OPAMP_VinP_IO; // PA8
opa_init.OPAMP_VinM = OPAMP_VinM_GND; // internal GND, PIN 留給 POWER_OK
opa_init.OPAMP_Vout = OPAMP_Vout_IO; // PA7, 拉到 IO PA7，需要外部 500 ~ 1000pF 電容
opa_init.OPAMP_Gain = OPAMP_PGAGain_15; // x1~x16 as needed, 使用 15 倍, 減少 RS 功耗
OPAMP_Init(OPAMP0, &opa_init);
OPAMP_Enable(OPAMP0);
}
//===================================================================================