本帖最后由 9robot 于 2016-8-22 09:33 编辑
STM32F7已经完全抛弃了标准库的开发方式，只能采用HAL库开发。M7的性能很强大，FLASH和RAM也较大，如果只是裸跑的话，性能就有点浪费。本来打算利用STM32CUBEMX工具来移植FREERTOS，但是出现一些问题，没有成功。所以才去移植ucosii。移植的过程很大一部分参考了M4的移植教程。目前，只是初步移植，M7和M4的寄存器存在一些差别，后期还是需要修改，现在的模板可以正常运行。
- static void SystemClock_Config(void)
- {
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- RCC_OscInitTypeDef RCC_OscInitStruct;
-
- /* Enable HSE Oscillator and activate PLL with HSE as source */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
- RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 8;
- RCC_OscInitStruct.PLL.PLLN = 432;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 9;
- RCC_OscInitStruct.PLL.PLLR = 7;
- if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- while(1) {};
- }
-
- /* Activate the OverDrive to reach the 216 Mhz Frequency */
- if(HAL_PWREx_EnableOverDrive() != HAL_OK)
- {
- while(1) {};
- }
-
-
- /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
- clocks dividers */
- RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7) != HAL_OK)
- {
- while(1) {};
- }
- }
- void start_task(void *pdata)
- {
- OS_CPU_SR cpu_sr=0;
- pdata=pdata;
- OSStatInit(); //¿ªÆôͳ¼ÆÈÎÎñ
-
- OS_ENTER_CRITICAL(); //½øÈëÁÙ½çÇø(¹Ø±ÕÖжÏ)
- //LED0ÈÎÎñ
- OSTaskCreateExt((void(*)(void*) )led0_task,
- (void* )0,
- (OS_STK* )&LED0_TASK_STK[LED0_STK_SIZE-1],
- (INT8U )LED0_TASK_PRIO,
- (INT16U )LED0_TASK_PRIO,
- (OS_STK* )&LED0_TASK_STK[0],
- (INT32U )LED0_STK_SIZE,
- (void* )0,
- (INT16U )OS_TASK_OPT_STK_CHK|OS_TASK_OPT_STK_CLR|OS_TASK_OPT_SAVE_FP);
- //LED1ÈÎÎñ
- OSTaskCreateExt((void(*)(void*) )led1_task,
- (void* )0,
- (OS_STK* )&LED1_TASK_STK[LED1_STK_SIZE-1],
- (INT8U )LED1_TASK_PRIO,
- (INT16U )LED1_TASK_PRIO,
- (OS_STK* )&LED1_TASK_STK[0],
- (INT32U )LED1_STK_SIZE,
- (void* )0,
- (INT16U )OS_TASK_OPT_STK_CHK|OS_TASK_OPT_STK_CLR|OS_TASK_OPT_SAVE_FP);
- OS_EXIT_CRITICAL(); //Í˳öÁÙ½çÇø(¿ªÖжÏ)
- OSTaskSuspend(START_TASK_PRIO); //¹ÒÆð¿ªÊ¼ÈÎÎñ
- }
-
- //LED0ÈÎÎñ
- void led0_task(void *pdata)
- {
- INT16U VER;
- VER=OSVersion();
- while(1)
- {
- HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7);
- LCD_Printf(1,2,"%d",VER);
- delay_ms(300);
- };
- }
- //LED1ÈÎÎñ
- void led1_task(void *pdata)
- {
- unsigned char i=0;
- while(1)
- {
- HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
- i++;
- LCD_Printf(1,4,"%d",i);
- delay_ms(1000);
- };
- }
-
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