GD32 MCU Documentation

https://www.gd32mcu.com/
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GD32 MCU is a comprehensive collection of 32-bit microcontroller units by GigaDevice featuring...
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### FatFs Filesystem Initialization

Source: https://www.gd32mcu.com/cn/detail/343

Example of initializing and mounting the FatFs filesystem, including creating a volume if one is not found.

```c
FATFS fs;
BYTE work[FF_MAX_SS];
uint8_t fsFlag = 0;
uint8_t fsTest = 0;
void xInitFileSystem(void)
{
FRESULT res;
res = f_mount(&fs, "0:", 1);
if(res == FR_NO_FILESYSTEM)
{
res = f_mkfs("0:", 0, work, sizeof(work));
if(res == FR_OK)
{
xUserPrintf("rnCreate an FAT/exFAT volume on the logical drivern");
```

--------------------------------

### FreeRTOS Task Implementation for GD32 RISC-V

Source: https://www.gd32mcu.com/cn/detail/346

Example implementation of FreeRTOS tasks including header includes, task definitions, and the main scheduler initialization.

```c
#include "gd32vf103.h"
#include "gd32vf103v_eval.h"
#include "systick.h"
#include
#include "FreeRTOS.h" //引入rtos
#include "task.h"
#define TASK1_TASK_PRIO 2 //任务优先级
#define TASK1_STK_SIZE 128 //堆栈大小
TaskHandle_t Task1Task_Handler; //任务句柄
void task1_task(void *pvParameters); //任务函数
#define TASK2_TASK_PRIO 3
#define TASK2_STK_SIZE 128
TaskHandle_t Task2Task_Handler;
void task2_task(void *pvParameters);
#define TASK3_TASK_PRIO 4
#define TASK3_STK_SIZE 256
TaskHandle_t Task3Task_Handler;
void task3_task(void *pvParameters);
extern void vPortSetupTimer();
void task1_task(void *pvParameters)
{
while(1)
{
gd_eval_led_on(LED2);
vTaskDelay(100);
gd_eval_led_off(LED2);
vTaskDelay(100);
}
}
void task2_task(void *pvParameters)
{
while(1)
{
gd_eval_led_off(LED3);
vTaskDelay(500);
gd_eval_led_on(LED3);
vTaskDelay(500);
}
}
void task3_task(void *pvParameters)
{
uint16_t uMark=0;
while(1)
{
printf("FreeRTOS Run ---> %d rn",uMark);
if(100 == uMark++)
{
uMark = 0;
}
//gd_eval_led_toggle(LED1);
vTaskDelay(1000);
}
}
/*!
brief main function
param[in] none
param[out] none
retval none
*/
int main(void)
{
gd_eval_led_init(LED1);
gd_eval_led_init(LED2);
gd_eval_led_init(LED3);
gd_eval_com_init(EVAL_COM0); //com0 115200
vPortSetupTimer();
xTaskCreate((TaskFunction_t )task1_task,
(const char* )"task1_task",
(uint16_t )TASK1_STK_SIZE,
(void* )NULL,
(UBaseType_t )TASK1_TASK_PRIO,
(TaskHandle_t* )&Task1Task_Handler);
xTaskCreate((TaskFunction_t )task2_task,
(const char* )"task2_task",
(uint16_t )TASK2_STK_SIZE,
(void* )NULL,
(UBaseType_t )TASK2_TASK_PRIO,
(TaskHandle_t* )&Task2Task_Handler);
xTaskCreate((TaskFunction_t )task3_task,
(const char* )"task3_task",
(uint16_t )TASK3_STK_SIZE,
(void* )NULL,
(UBaseType_t )TASK3_TASK_PRIO,
(TaskHandle_t* )&Task3Task_Handler);
vTaskStartScheduler();
}
```
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