crosstyan/stmf411re_test
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feat: Refactor clock configuration, update HSE startup timeout, and enhance UART heartbeat message

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crosstyan
2025-10-22 10:56:14 +08:00
parent 6d37b0ec23
commit d6b562d808
7 changed files with 69 additions and 36 deletions
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2
Core/Inc/stm32f4xx_hal_conf.h
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@ -100,7 +100,7 @@
#endif /* HSE_VALUE */
#if !defined (HSE_STARTUP_TIMEOUT)
#define HSE_STARTUP_TIMEOUT 1000U /*!< Time out for HSE start up, in ms */
#define HSE_STARTUP_TIMEOUT 100U /*!< Time out for HSE start up, in ms */
#endif /* HSE_STARTUP_TIMEOUT */
/**

31
Core/Src/main.c
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@ -21,6 +21,7 @@
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <stdio.h>
/* USER CODE END Includes */
@ -58,7 +59,7 @@ static void MX_USART2_UART_Init(void);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
static const char heartbeat_msg[] = "PB6 heartbeat\r\n";
static char heartbeat_buf[64];
/* USER CODE END 0 */
@ -101,9 +102,16 @@ int main(void)
/* USER CODE BEGIN WHILE */
while (1) {
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
/* Heartbeat: emit status over UART1 and blink the PB6 LED */
HAL_UART_Transmit(&huart1, (uint8_t *)heartbeat_msg,
sizeof(heartbeat_msg) - 1, HAL_MAX_DELAY);
/* Heartbeat: emit tick timestamp over UART1 and blink the PB6 LED */
int msg_len = snprintf(heartbeat_buf, sizeof(heartbeat_buf),
"PB6 heartbeat %lu\r\n", (unsigned long)HAL_GetTick());
if (msg_len > 0) {
if (msg_len >= (int)sizeof(heartbeat_buf)) {
msg_len = (int)sizeof(heartbeat_buf) - 1;
}
HAL_UART_Transmit(&huart1, (uint8_t *)heartbeat_buf, (uint16_t)msg_len,
HAL_MAX_DELAY);
}
HAL_Delay(1000);
/* USER CODE END WHILE */
@ -124,7 +132,7 @@ void SystemClock_Config(void)
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
@ -134,7 +142,7 @@ void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 128;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
@ -148,13 +156,14 @@ void SystemClock_Config(void)
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
Error_Handler();
}
HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_PLLCLK, RCC_MCODIV_2);
}
/**
@ -244,6 +253,14 @@ static void MX_GPIO_Init(void)
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_SET);
/*Configure GPIO pin : PA8 */
GPIO_InitStruct.Pin = GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : PB6 */
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

1
README.md Normal file
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@ -0,0 +1 @@
Generated by CubeMX, just for testing

8
flash_openocd.sh Executable file
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@ -0,0 +1,8 @@
#!/usr/bin/env sh
openocd \
-f interface/cmsis-dap.cfg \
-f target/stm32f4x.cfg \
-c "adapter speed 4000" \
-c "transport select swd" \
-c "program build/stmf411re_test.elf verify reset exit"

3
flash_probe_rs.sh Executable file
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@ -0,0 +1,3 @@
#!/usr/bin/env sh
probe-rs download --chip STM32F411RE build/stmf411re_test.elf --verify

0
flash.sh → flash_stm32_programmer.sh
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60
stmf411re_test.ioc
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@ -17,18 +17,19 @@ Mcu.Name=STM32F411R(C-E)Tx
Mcu.Package=LQFP64
Mcu.Pin0=PC14-OSC32_IN
Mcu.Pin1=PC15-OSC32_OUT
Mcu.Pin10=PB3
Mcu.Pin11=PB6
Mcu.Pin12=VP_SYS_VS_Systick
Mcu.Pin10=PA14
Mcu.Pin11=PB3
Mcu.Pin12=PB6
Mcu.Pin13=VP_SYS_VS_Systick
Mcu.Pin2=PH0 - OSC_IN
Mcu.Pin3=PH1 - OSC_OUT
Mcu.Pin4=PA2
Mcu.Pin5=PA3
Mcu.Pin6=PA9
Mcu.Pin7=PA10
Mcu.Pin8=PA13
Mcu.Pin9=PA14
Mcu.PinsNb=13
Mcu.Pin6=PA8
Mcu.Pin7=PA9
Mcu.Pin8=PA10
Mcu.Pin9=PA13
Mcu.PinsNb=14
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32F411RETx
@ -67,6 +68,8 @@ PA3.GPIO_Label=USART_RX
PA3.Locked=true
PA3.Mode=Asynchronous
PA3.Signal=USART2_RX
PA8.Mode=Clock-out-1
PA8.Signal=RCC_MCO_1
PA9.Mode=Asynchronous
PA9.Signal=USART1_TX
PB3.GPIOParameters=GPIO_Label
@ -120,41 +123,42 @@ ProjectManager.UAScriptAfterPath=
ProjectManager.UAScriptBeforePath=
ProjectManager.UnderRoot=false
ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_USART1_UART_Init-USART1-false-HAL-true,4-MX_USART2_UART_Init-USART2-false-HAL-true
RCC.48MHZClocksFreq_Value=32000000
RCC.AHBFreq_Value=32000000
RCC.APB1CLKDivider=RCC_HCLK_DIV2
RCC.APB1Freq_Value=16000000
RCC.APB1TimFreq_Value=32000000
RCC.APB2Freq_Value=32000000
RCC.APB2TimFreq_Value=32000000
RCC.CortexFreq_Value=32000000
RCC.EthernetFreq_Value=32000000
RCC.FCLKCortexFreq_Value=32000000
RCC.48MHZClocksFreq_Value=48000000
RCC.AHBFreq_Value=48000000
RCC.APB1Freq_Value=48000000
RCC.APB1TimFreq_Value=48000000
RCC.APB2Freq_Value=48000000
RCC.APB2TimFreq_Value=48000000
RCC.CortexFreq_Value=48000000
RCC.EthernetFreq_Value=48000000
RCC.FCLKCortexFreq_Value=48000000
RCC.FLatency-AdvancedSettings=FLASH_LATENCY_1
RCC.FamilyName=M
RCC.HCLKFreq_Value=32000000
RCC.HSE_Timout=1000
RCC.HCLKFreq_Value=48000000
RCC.HSE_VALUE=8000000
RCC.HSI_VALUE=16000000
RCC.I2SClocksFreq_Value=48000000
RCC.IPParameters=48MHZClocksFreq_Value,AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FLatency-AdvancedSettings,FamilyName,HCLKFreq_Value,HSE_Timout,HSE_VALUE,HSI_VALUE,I2SClocksFreq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLM,PLLN,PLLP,PLLQCLKFreq_Value,PLLSourceVirtual,PWR_Regulator_Voltage_Scale,RTCFreq_Value,RTCHSEDivFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOInputMFreq_Value,VCOOutputFreq_Value,VcooutputI2S
RCC.IPParameters=48MHZClocksFreq_Value,AHBFreq_Value,APB1Freq_Value,APB1TimFreq_Value,APB2Freq_Value,APB2TimFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FLatency-AdvancedSettings,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2SClocksFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLM,PLLP,PLLQCLKFreq_Value,PLLSourceVirtual,PWR_Regulator_Voltage_Scale,RCC_MCO1Source,RCC_MCODiv1,RTCFreq_Value,RTCHSEDivFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOInputMFreq_Value,VCOOutputFreq_Value,VcooutputI2S
RCC.LSE_VALUE=32768
RCC.LSI_VALUE=32000
RCC.MCO2PinFreq_Value=32000000
RCC.PLLCLKFreq_Value=32000000
RCC.MCO1PinFreq_Value=24000000
RCC.MCO2PinFreq_Value=48000000
RCC.PLLCLKFreq_Value=48000000
RCC.PLLM=8
RCC.PLLN=128
RCC.PLLP=RCC_PLLP_DIV4
RCC.PLLQCLKFreq_Value=32000000
RCC.PLLQCLKFreq_Value=48000000
RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
RCC.PWR_Regulator_Voltage_Scale=PWR_REGULATOR_VOLTAGE_SCALE3
RCC.PWR_Regulator_Voltage_Scale=PWR_REGULATOR_VOLTAGE_SCALE2
RCC.RCC_MCO1Source=RCC_MCO1SOURCE_PLLCLK
RCC.RCC_MCODiv1=RCC_MCODIV_2
RCC.RTCFreq_Value=32000
RCC.RTCHSEDivFreq_Value=4000000
RCC.SYSCLKFreq_VALUE=32000000
RCC.SYSCLKFreq_VALUE=48000000
RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
RCC.VCOI2SOutputFreq_Value=96000000
RCC.VCOInputFreq_Value=1000000
RCC.VCOInputMFreq_Value=500000
RCC.VCOOutputFreq_Value=128000000
RCC.VCOOutputFreq_Value=192000000
RCC.VcooutputI2S=48000000
USART1.IPParameters=VirtualMode
USART1.VirtualMode=VM_ASYNC