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detect MCU flash size and config usart

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yelvlab
2025-08-20 21:02:52 +08:00
parent b6485c5c39
commit c93704383a
8 changed files with 164 additions and 16 deletions
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77
Src/mcu_config.c Normal file
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/*!
\file mcu_config.c
\brief MCU type detection and dynamic configuration
\version 2025-08-20, V1.0.0, MCU detection for GD32E23x
*/
#include "gd32e23x.h"
#include "board_config.h"
#define FLASH_SIZE_ADDR (*(const uint16_t *)0x1FFFF7E0)
/* Global variables for dynamic configuration */
uint8_t g_mcu_type = 0;
usart_config_t g_usart_config = {0};
/*!
\brief detect MCU type and configure USART accordingly
\param[in] none
\param[out] none
\retval none
*/
void mcu_detect_and_config(void)
{
uint16_t flash_kb = FLASH_SIZE_ADDR;
uint8_t size = (flash_kb >> 8) & 0xFF;
/* Detect MCU type based on flash size */
switch (size) {
case GD32E23XF4:
g_mcu_type = GD32E23XF4;
/* Configure for USART0 (GD32E23XF4) */
g_usart_config.rcu_usart = RCU_USART0;
g_usart_config.usart_periph = USART0;
g_usart_config.gpio_af = GPIO_AF_1;
g_usart_config.irq_type = USART0_IRQn;
break;
case GD32E23XF6:
g_mcu_type = GD32E23XF6;
/* Configure for USART1 (GD32E23XF6) */
g_usart_config.rcu_usart = RCU_USART1;
g_usart_config.usart_periph = USART1;
g_usart_config.gpio_af = GPIO_AF_1;
g_usart_config.irq_type = USART1_IRQn;
break;
case GD32E23XF8:
g_mcu_type = GD32E23XF8;
/* Configure for USART1 (GD32E23XF8) */
g_usart_config.rcu_usart = RCU_USART1;
g_usart_config.usart_periph = USART1;
g_usart_config.gpio_af = GPIO_AF_1;
g_usart_config.irq_type = USART1_IRQn;
break;
default:
/* Default to GD32E23XF8 configuration */
g_mcu_type = GD32E23XF8;
g_usart_config.rcu_usart = RCU_USART1;
g_usart_config.usart_periph = USART1;
g_usart_config.gpio_af = GPIO_AF_1;
g_usart_config.irq_type = USART1_IRQn;
break;
}
}
/*!
\brief get current MCU type
\param[in] none
\param[out] none
\retval MCU type (GD32E23XF4, GD32E23XF6, or GD32E23XF8)
*/
uint8_t get_mcu_type(void)
{
return g_mcu_type;
}