Merge pull request #199 from bright-pan/master
It is a big patch for stm32f0x, see the fellow :
This commit is contained in:
aozima
commit
52d49c7dc6
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@ -10,6 +10,7 @@
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* Change Logs:
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* Change Logs:
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* Date Author Notes
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* Date Author Notes
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* 2009-01-05 Bernard the first version
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* 2009-01-05 Bernard the first version
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* 2013-11-15 bright add init thread and components initial
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*/
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*/
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/**
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/**
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@ -21,63 +22,65 @@
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#include <board.h>
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#include <board.h>
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#include <rtthread.h>
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#include <rtthread.h>
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#ifdef RT_USING_COMPONENTS_INIT
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#include <components.h>
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#endif /* RT_USING_COMPONENTS_INIT */
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/*
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#include "led.h"
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LED_GREEN: PC8
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LED_RED : PC9
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*/
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#define rt_hw_led_on() GPIO_SetBits(GPIOC, GPIO_Pin_9)
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#define rt_hw_led_off() GPIO_ResetBits(GPIOC, GPIO_Pin_9)
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static void rt_hw_led_init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/* Enable the GPIO_LED Clock */
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
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/* Configure the GPIO_LED pin */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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}
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ALIGN(RT_ALIGN_SIZE)
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static char led_stack[384];
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static struct rt_thread led_thread;
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/* led thread entry */
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static void led_thread_entry(void* parameter)
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static void led_thread_entry(void* parameter)
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{
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{
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rt_hw_led_init();
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while(1)
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{
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while(1)
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{
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rt_hw_led_on();
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rt_hw_led_on();
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rt_thread_delay(RT_TICK_PER_SECOND/4);
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rt_thread_delay(RT_TICK_PER_SECOND);
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rt_hw_led_off();
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rt_hw_led_off();
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rt_thread_delay(RT_TICK_PER_SECOND/4);
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rt_thread_delay(RT_TICK_PER_SECOND);
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}
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}
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}
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static void rt_init_thread_entry(void* parameter)
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{
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rt_thread_t led_thread;
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/* Initialization RT-Thread Components */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_init();
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#endif
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/* Set finsh device */
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#ifdef RT_USING_FINSH
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finsh_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif /* RT_USING_FINSH */
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/* Create led thread */
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led_thread = rt_thread_create("led",
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led_thread_entry, RT_NULL,
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256, 20, 20);
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if(led_thread != RT_NULL)
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rt_thread_startup(led_thread);
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}
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}
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int rt_application_init()
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int rt_application_init()
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{
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{
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rt_err_t result;
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rt_thread_t init_thread;
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result = rt_thread_init(&led_thread,
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#if (RT_THREAD_PRIORITY_MAX == 32)
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"led",
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init_thread = rt_thread_create("init",
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led_thread_entry,
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rt_init_thread_entry, RT_NULL,
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RT_NULL,
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512, 8, 20);
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&led_stack[0],
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#else
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sizeof(led_stack),
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init_thread = rt_thread_create("init",
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4,
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rt_init_thread_entry, RT_NULL,
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2);
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512, 80, 20);
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if(result == RT_EOK) rt_thread_startup(&led_thread);
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#endif
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if(init_thread != RT_NULL)
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rt_thread_startup(init_thread);
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return 0;
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return 0;
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}
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}
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/*@}*/
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/*@}*/
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@ -10,7 +10,7 @@
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* Change Logs:
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* Change Logs:
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* Date Author Notes
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* Date Author Notes
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* 2006-08-31 Bernard first implementation
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* 2006-08-31 Bernard first implementation
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* 2011-06-05 Bernard modify for STM32F107 version
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* 2013-11-15 bright modify for stm32f0xx version and components initial
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*/
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*/
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#include <rthw.h>
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#include <rthw.h>
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@ -94,12 +94,6 @@ void rtthread_startup(void)
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/* init application */
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/* init application */
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rt_application_init();
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rt_application_init();
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#ifdef RT_USING_FINSH
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/* init finsh */
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finsh_system_init();
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finsh_set_device( FINSH_DEVICE_NAME );
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#endif
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/* init timer thread */
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/* init timer thread */
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rt_system_timer_thread_init();
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rt_system_timer_thread_init();
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@ -10,13 +10,18 @@
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* Change Logs:
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* Change Logs:
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* Date Author Notes
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* Date Author Notes
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* 2009-01-05 Bernard first implementation
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* 2009-01-05 Bernard first implementation
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* 2013-11-15 bright add RCC initial and print RCC freq function
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*/
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*/
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#include <rthw.h>
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtthread.h>
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#include "board.h"
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#include "board.h"
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#include "usart.h"
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/* RT_USING_COMPONENTS_INIT */
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#ifdef RT_USING_COMPONENTS_INIT
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#include <components.h>
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#endif
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/**
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/**
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* @addtogroup STM32
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* @addtogroup STM32
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*/
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*/
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@ -35,6 +40,79 @@ void NVIC_Configuration(void)
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// NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
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// NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
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}
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}
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/**
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* @brief Inserts a delay time.
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* @param nCount: specifies the delay time length.
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* @retval None
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*/
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static void Delay(__IO uint32_t nCount)
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{
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/* Decrement nCount value */
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while (nCount != 0)
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{
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nCount--;
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}
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}
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/**
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* This RCC initial for system.
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* use HSI clock source and pll
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* HSI = 8; sysclk = 8/2 * 12 = 48MHZ
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* sysclk source is pllclk
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* AHB prescaler is 1, HCLK = SYSCKL = SystemCoreClock = 48MHZ
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*/
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static void RCC_Configuration(void)
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{
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RCC_DeInit();
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/* setup HSI */
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RCC_HSICmd(ENABLE);
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/* Configure PLL source is HSI */
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RCC_PLLConfig(RCC_PLLSource_HSI_Div2, RCC_PLLMul_12);
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RCC_PLLCmd(ENABLE);
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/* Configure SYSCLK source is PLL */
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RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
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/* Conigure AHB prescaler value is 1 */
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RCC_HCLKConfig(RCC_SYSCLK_Div1);
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/* Delay for RCC setup */
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Delay(0x3FFFF);
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/* Update SystemCoreClock value from RCC configure */
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SystemCoreClockUpdate();
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}
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#ifdef PRINT_RCC_FREQ_INFO
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/**
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* print RCC freq information
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*
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* for example:
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*
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* SYSCLK_Frequency is 48000000HZ
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* PCLK_Frequency is 48000000HZ
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* HCLK_Frequency is 48000000HZ
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* CECCLK_Frequency is 32786HZ
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* ADCCLK_Frequency is 14000000HZ
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* USART1CLK_Frequency is 48000000HZ
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* I2C1CLK_Frequency is 8000000HZ
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* SystemCoreClock is 48000000HZ
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*
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*/
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void print_rcc_freq_info(void)
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{
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RCC_ClocksTypeDef RCC_ClockFreq;
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RCC_GetClocksFreq(&RCC_ClockFreq);
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rt_kprintf("\nSYSCLK_Frequency is %dHZ", RCC_ClockFreq.SYSCLK_Frequency);
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rt_kprintf("\nPCLK_Frequency is %dHZ", RCC_ClockFreq.PCLK_Frequency);
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rt_kprintf("\nHCLK_Frequency is %dHZ", RCC_ClockFreq.HCLK_Frequency);
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rt_kprintf("\nCECCLK_Frequency is %dHZ", RCC_ClockFreq.CECCLK_Frequency);
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rt_kprintf("\nADCCLK_Frequency is %dHZ", RCC_ClockFreq.ADCCLK_Frequency);
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rt_kprintf("\nUSART1CLK_Frequency is %dHZ", RCC_ClockFreq.USART1CLK_Frequency);
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rt_kprintf("\nI2C1CLK_Frequency is %dHZ", RCC_ClockFreq.I2C1CLK_Frequency);
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rt_kprintf("\nSystemCoreClock is %dHZ\n", SystemCoreClock);
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}
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#endif
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/**
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/**
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* This is the timer interrupt service routine.
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* This is the timer interrupt service routine.
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*
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*
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@ -49,7 +127,6 @@ void SysTick_Handler(void)
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/* leave interrupt */
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/* leave interrupt */
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rt_interrupt_leave();
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rt_interrupt_leave();
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}
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}
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/**
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/**
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* This function will initial STM32 board.
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* This function will initial STM32 board.
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*/
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*/
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@ -59,11 +136,21 @@ void rt_hw_board_init()
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NVIC_Configuration();
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NVIC_Configuration();
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/* Configure the SysTick */
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/* Configure the SysTick */
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RCC_Configuration();
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SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
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SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
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//rt_hw_usart_init();
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/* Initial usart deriver, and set console device */
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rt_hw_usart_init();
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#ifdef RT_USING_CONSOLE
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#ifdef RT_USING_CONSOLE
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rt_console_set_device(CONSOLE_DEVICE);
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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/* Print RCC freq info */
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#ifdef PRINT_RCC_FREQ_INFO
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print_rcc_freq_info();
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#endif
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/* Call components board initial (use INIT_BOARD_EXPORT()) */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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#endif
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}
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}
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@ -10,6 +10,7 @@
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* Change Logs:
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* Change Logs:
|
||||||
* Date Author Notes
|
* Date Author Notes
|
||||||
* 2009-09-22 Bernard add board.h to this bsp
|
* 2009-09-22 Bernard add board.h to this bsp
|
||||||
|
* 2013-11-15 bright fix SRAM size for heap management
|
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*/
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*/
|
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|
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// <<< Use Configuration Wizard in Context Menu >>>
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// <<< Use Configuration Wizard in Context Menu >>>
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@ -37,36 +38,16 @@
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|
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// <o> Internal SRAM memory size[Kbytes] <8-64>
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// <o> Internal SRAM memory size[Kbytes] <8-64>
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// <i>Default: 64
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// <i>Default: 64
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#define STM32_SRAM_SIZE 128
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#define STM32_SRAM_SIZE 8
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#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
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#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
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|
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//#define RT_USING_UART1
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|
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#define RT_USING_UART2
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|
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//#define RT_USING_UART3
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|
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|
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// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
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|
||||||
// <i>Default: 1
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|
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#define STM32_CONSOLE_USART 2
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|
||||||
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|
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void rt_hw_board_init(void);
|
void rt_hw_board_init(void);
|
||||||
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|
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#if STM32_CONSOLE_USART == 0
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|
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#define CONSOLE_DEVICE "no"
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|
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#elif STM32_CONSOLE_USART == 1
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|
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#define CONSOLE_DEVICE "uart1"
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|
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#elif STM32_CONSOLE_USART == 2
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|
||||||
#define CONSOLE_DEVICE "uart2"
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|
||||||
#elif STM32_CONSOLE_USART == 3
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|
||||||
#define CONSOLE_DEVICE "uart3"
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|
||||||
#endif
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|
||||||
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|
||||||
#define FINSH_DEVICE_NAME CONSOLE_DEVICE
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|
||||||
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|
||||||
void rt_hw_usart_init(void);
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|
||||||
|
|
||||||
/* SD Card init function */
|
/* SD Card init function */
|
||||||
void rt_hw_msd_init(void);
|
void rt_hw_msd_init(void);
|
||||||
|
|
||||||
|
#define PRINT_RCC_FREQ_INFO
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
// <<< Use Configuration Wizard in Context Menu >>>
|
// <<< Use Configuration Wizard in Context Menu >>>
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,44 @@
|
||||||
|
/*
|
||||||
|
* File : led.c
|
||||||
|
* This file is part of RT-Thread RTOS
|
||||||
|
* COPYRIGHT (C) 2006-2013, RT-Thread Development Team
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.rt-thread.org/license/LICENSE
|
||||||
|
*
|
||||||
|
* Change Logs:
|
||||||
|
* Date Author Notes
|
||||||
|
* 2013-11-15 bright the first version
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "led.h"
|
||||||
|
/* RT_USING_COMPONENTS_INIT */
|
||||||
|
#ifdef RT_USING_COMPONENTS_INIT
|
||||||
|
#include <components.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/*
|
||||||
|
LED_GREEN: PC8
|
||||||
|
LED_RED : PC9
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Initial led gpio pin */
|
||||||
|
void rt_hw_led_init(void)
|
||||||
|
{
|
||||||
|
GPIO_InitTypeDef GPIO_InitStructure;
|
||||||
|
|
||||||
|
/* Enable the GPIO_LED Clock */
|
||||||
|
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
|
||||||
|
|
||||||
|
/* Configure the GPIO_LED pin */
|
||||||
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
|
||||||
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
|
||||||
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
||||||
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
|
||||||
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||||
|
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Initial components for device */
|
||||||
|
INIT_DEVICE_EXPORT(rt_hw_led_init);
|
||||||
|
|
@ -0,0 +1,27 @@
|
||||||
|
/*
|
||||||
|
* File : led.h
|
||||||
|
* This file is part of RT-Thread RTOS
|
||||||
|
* COPYRIGHT (C) 2009, RT-Thread Development Team
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.rt-thread.org/license/LICENSE
|
||||||
|
*
|
||||||
|
* Change Logs:
|
||||||
|
* Date Author Notes
|
||||||
|
* 2013-13-05 bright the first version
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __LED_H__
|
||||||
|
#define __LED_H__
|
||||||
|
|
||||||
|
#include <rthw.h>
|
||||||
|
#include <rtthread.h>
|
||||||
|
#include <stm32f0xx.h>
|
||||||
|
|
||||||
|
#define rt_hw_led_on() GPIO_SetBits(GPIOC, GPIO_Pin_9)
|
||||||
|
#define rt_hw_led_off() GPIO_ResetBits(GPIOC, GPIO_Pin_9)
|
||||||
|
|
||||||
|
void rt_hw_led_init(void);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,310 @@
|
||||||
|
/*
|
||||||
|
* File : usart.c
|
||||||
|
* This file is part of RT-Thread RTOS
|
||||||
|
* COPYRIGHT (C) 2006-2013, RT-Thread Development Team
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.rt-thread.org/license/LICENSE
|
||||||
|
*
|
||||||
|
* Change Logs:
|
||||||
|
* Date Author Notes
|
||||||
|
* 2013-11-15 bright the first version
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stm32f0xx.h>
|
||||||
|
#include <rtdevice.h>
|
||||||
|
#include "usart.h"
|
||||||
|
|
||||||
|
/* USART1 */
|
||||||
|
#define UART1_GPIO_TX GPIO_Pin_9
|
||||||
|
#define UART1_GPIO_TX_SOURCE GPIO_PinSource9
|
||||||
|
#define UART1_GPIO_RX GPIO_Pin_10
|
||||||
|
#define UART1_GPIO_RX_SOURCE GPIO_PinSource10
|
||||||
|
#define UART1_GPIO_AF GPIO_AF_1
|
||||||
|
#define UART1_GPIO GPIOA
|
||||||
|
|
||||||
|
/* USART2 */
|
||||||
|
#define UART2_GPIO_TX GPIO_Pin_2
|
||||||
|
#define UART2_GPIO_TX_SOURCE GPIO_PinSource2
|
||||||
|
#define UART2_GPIO_RX GPIO_Pin_3
|
||||||
|
#define UART2_GPIO_RX_SOURCE GPIO_PinSource3
|
||||||
|
#define UART2_GPIO_AF GPIO_AF_1
|
||||||
|
#define UART2_GPIO GPIOA
|
||||||
|
|
||||||
|
/* STM32 uart driver */
|
||||||
|
struct stm32_uart
|
||||||
|
{
|
||||||
|
USART_TypeDef* uart_device;
|
||||||
|
IRQn_Type irq;
|
||||||
|
};
|
||||||
|
|
||||||
|
static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
USART_InitTypeDef USART_InitStructure;
|
||||||
|
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
RT_ASSERT(cfg != RT_NULL);
|
||||||
|
|
||||||
|
uart = (struct stm32_uart *)serial->parent.user_data;
|
||||||
|
|
||||||
|
USART_InitStructure.USART_BaudRate = cfg->baud_rate;
|
||||||
|
|
||||||
|
if (cfg->data_bits == DATA_BITS_8)
|
||||||
|
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
|
||||||
|
|
||||||
|
if (cfg->stop_bits == STOP_BITS_1)
|
||||||
|
USART_InitStructure.USART_StopBits = USART_StopBits_1;
|
||||||
|
else if (cfg->stop_bits == STOP_BITS_2)
|
||||||
|
USART_InitStructure.USART_StopBits = USART_StopBits_2;
|
||||||
|
|
||||||
|
USART_InitStructure.USART_Parity = USART_Parity_No;
|
||||||
|
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
|
||||||
|
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
|
||||||
|
USART_Init(uart->uart_device, &USART_InitStructure);
|
||||||
|
|
||||||
|
/* Enable USART */
|
||||||
|
USART_Cmd(uart->uart_device, ENABLE);
|
||||||
|
/* enable interrupt */
|
||||||
|
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
|
||||||
|
|
||||||
|
return RT_EOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *arg)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = (struct stm32_uart *)serial->parent.user_data;
|
||||||
|
|
||||||
|
switch (cmd)
|
||||||
|
{
|
||||||
|
case RT_DEVICE_CTRL_CLR_INT:
|
||||||
|
/* disable rx irq */
|
||||||
|
UART_DISABLE_IRQ(uart->irq);
|
||||||
|
break;
|
||||||
|
case RT_DEVICE_CTRL_SET_INT:
|
||||||
|
/* enable rx irq */
|
||||||
|
UART_ENABLE_IRQ(uart->irq);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return RT_EOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int stm32_putc(struct rt_serial_device *serial, char c)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = (struct stm32_uart *)serial->parent.user_data;
|
||||||
|
|
||||||
|
while (!(uart->uart_device->ISR & USART_FLAG_TXE));
|
||||||
|
uart->uart_device->TDR = c;
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int stm32_getc(struct rt_serial_device *serial)
|
||||||
|
{
|
||||||
|
int ch;
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
|
||||||
|
RT_ASSERT(serial != RT_NULL);
|
||||||
|
uart = (struct stm32_uart *)serial->parent.user_data;
|
||||||
|
|
||||||
|
ch = -1;
|
||||||
|
if (uart->uart_device->ISR & USART_FLAG_RXNE)
|
||||||
|
{
|
||||||
|
ch = uart->uart_device->RDR & 0xff;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ch;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct rt_uart_ops stm32_uart_ops =
|
||||||
|
{
|
||||||
|
stm32_configure,
|
||||||
|
stm32_control,
|
||||||
|
stm32_putc,
|
||||||
|
stm32_getc,
|
||||||
|
};
|
||||||
|
|
||||||
|
#if defined(RT_USING_UART1)
|
||||||
|
/* UART1 device driver structure */
|
||||||
|
struct serial_ringbuffer uart1_int_rx;
|
||||||
|
struct stm32_uart uart1 =
|
||||||
|
{
|
||||||
|
USART1,
|
||||||
|
USART1_IRQn,
|
||||||
|
};
|
||||||
|
struct rt_serial_device serial1;
|
||||||
|
|
||||||
|
void USART1_IRQHandler(void)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
|
||||||
|
uart = &uart1;
|
||||||
|
|
||||||
|
/* enter interrupt */
|
||||||
|
rt_interrupt_enter();
|
||||||
|
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
|
||||||
|
{
|
||||||
|
rt_hw_serial_isr(&serial1);
|
||||||
|
/* clear interrupt */
|
||||||
|
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
|
||||||
|
}
|
||||||
|
if (USART_GetITStatus(uart->uart_device, USART_IT_TC) != RESET)
|
||||||
|
{
|
||||||
|
/* clear interrupt */
|
||||||
|
USART_ClearITPendingBit(uart->uart_device, USART_IT_TC);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* leave interrupt */
|
||||||
|
rt_interrupt_leave();
|
||||||
|
}
|
||||||
|
#endif /* RT_USING_UART1 */
|
||||||
|
|
||||||
|
#if defined(RT_USING_UART2)
|
||||||
|
/* UART2 device driver structure */
|
||||||
|
struct serial_ringbuffer uart2_int_rx;
|
||||||
|
struct stm32_uart uart2 =
|
||||||
|
{
|
||||||
|
USART2,
|
||||||
|
USART2_IRQn,
|
||||||
|
};
|
||||||
|
struct rt_serial_device serial2;
|
||||||
|
|
||||||
|
void USART2_IRQHandler(void)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
|
||||||
|
uart = &uart2;
|
||||||
|
|
||||||
|
/* enter interrupt */
|
||||||
|
rt_interrupt_enter();
|
||||||
|
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
|
||||||
|
{
|
||||||
|
rt_hw_serial_isr(&serial2);
|
||||||
|
/* clear interrupt */
|
||||||
|
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
|
||||||
|
}
|
||||||
|
if (USART_GetITStatus(uart->uart_device, USART_IT_TC) != RESET)
|
||||||
|
{
|
||||||
|
/* clear interrupt */
|
||||||
|
USART_ClearITPendingBit(uart->uart_device, USART_IT_TC);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* leave interrupt */
|
||||||
|
rt_interrupt_leave();
|
||||||
|
}
|
||||||
|
#endif /* RT_USING_UART2 */
|
||||||
|
|
||||||
|
static void RCC_Configuration(void)
|
||||||
|
{
|
||||||
|
#ifdef RT_USING_UART1
|
||||||
|
/* Enable GPIO clock */
|
||||||
|
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
|
||||||
|
/* Enable USART clock */
|
||||||
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
|
||||||
|
#endif /* RT_USING_UART1 */
|
||||||
|
|
||||||
|
#ifdef RT_USING_UART2
|
||||||
|
/* Enable GPIO clock */
|
||||||
|
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
|
||||||
|
/* Enable USART clock */
|
||||||
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
||||||
|
#endif /* RT_USING_UART2 */
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void GPIO_Configuration(void)
|
||||||
|
{
|
||||||
|
GPIO_InitTypeDef GPIO_InitStructure;
|
||||||
|
|
||||||
|
#ifdef RT_USING_UART1
|
||||||
|
/* Connect PXx to USARTx_Tx */
|
||||||
|
GPIO_PinAFConfig(UART1_GPIO, UART1_GPIO_TX_SOURCE, UART1_GPIO_AF);
|
||||||
|
|
||||||
|
/* Connect PXx to USARTx_Rx */
|
||||||
|
GPIO_PinAFConfig(UART1_GPIO, UART1_GPIO_RX_SOURCE, UART1_GPIO_AF);
|
||||||
|
|
||||||
|
/* Configure USART Tx, Rx as alternate function push-pull */
|
||||||
|
GPIO_InitStructure.GPIO_Pin = UART1_GPIO_TX | UART1_GPIO_RX;
|
||||||
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
|
||||||
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||||
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
||||||
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
|
||||||
|
GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
|
||||||
|
#endif /* RT_USING_UART1 */
|
||||||
|
|
||||||
|
#ifdef RT_USING_UART2
|
||||||
|
/* Connect PXx to USARTx_Tx */
|
||||||
|
GPIO_PinAFConfig(UART2_GPIO, UART2_GPIO_TX_SOURCE, UART2_GPIO_AF);
|
||||||
|
|
||||||
|
/* Connect PXx to USARTx_Rx */
|
||||||
|
GPIO_PinAFConfig(UART2_GPIO, UART2_GPIO_RX_SOURCE, UART2_GPIO_AF);
|
||||||
|
|
||||||
|
/* Configure USART Tx, Rx as alternate function push-pull */
|
||||||
|
GPIO_InitStructure.GPIO_Pin = UART2_GPIO_TX | UART2_GPIO_RX;
|
||||||
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
|
||||||
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
||||||
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
||||||
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
|
||||||
|
GPIO_Init(UART2_GPIO, &GPIO_InitStructure);
|
||||||
|
#endif /* RT_USING_UART2 */
|
||||||
|
}
|
||||||
|
|
||||||
|
static void NVIC_Configuration(struct stm32_uart* uart)
|
||||||
|
{
|
||||||
|
NVIC_InitTypeDef NVIC_InitStructure;
|
||||||
|
|
||||||
|
/* Enable the USART Interrupt */
|
||||||
|
NVIC_InitStructure.NVIC_IRQChannel = uart->irq;
|
||||||
|
NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
|
||||||
|
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
|
||||||
|
NVIC_Init(&NVIC_InitStructure);
|
||||||
|
}
|
||||||
|
|
||||||
|
void rt_hw_usart_init(void)
|
||||||
|
{
|
||||||
|
struct stm32_uart* uart;
|
||||||
|
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
|
||||||
|
|
||||||
|
RCC_Configuration();
|
||||||
|
GPIO_Configuration();
|
||||||
|
|
||||||
|
#ifdef RT_USING_UART1
|
||||||
|
uart = &uart1;
|
||||||
|
config.baud_rate = BAUD_RATE_115200;
|
||||||
|
|
||||||
|
serial1.ops = &stm32_uart_ops;
|
||||||
|
serial1.int_rx = &uart1_int_rx;
|
||||||
|
serial1.config = config;
|
||||||
|
|
||||||
|
NVIC_Configuration(&uart1);
|
||||||
|
|
||||||
|
/* register UART1 device */
|
||||||
|
rt_hw_serial_register(&serial1, "uart1",
|
||||||
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
|
||||||
|
uart);
|
||||||
|
#endif /* RT_USING_UART1 */
|
||||||
|
|
||||||
|
#ifdef RT_USING_UART2
|
||||||
|
uart = &uart2;
|
||||||
|
|
||||||
|
config.baud_rate = BAUD_RATE_115200;
|
||||||
|
serial2.ops = &stm32_uart_ops;
|
||||||
|
serial2.int_rx = &uart2_int_rx;
|
||||||
|
serial2.config = config;
|
||||||
|
|
||||||
|
NVIC_Configuration(&uart2);
|
||||||
|
|
||||||
|
/* register UART1 device */
|
||||||
|
rt_hw_serial_register(&serial2, "uart2",
|
||||||
|
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
|
||||||
|
uart);
|
||||||
|
#endif /* RT_USING_UART2 */
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,30 @@
|
||||||
|
/*
|
||||||
|
* File : usart.h
|
||||||
|
* This file is part of RT-Thread RTOS
|
||||||
|
* COPYRIGHT (C) 2009, RT-Thread Development Team
|
||||||
|
*
|
||||||
|
* The license and distribution terms for this file may be
|
||||||
|
* found in the file LICENSE in this distribution or at
|
||||||
|
* http://www.rt-thread.org/license/LICENSE
|
||||||
|
*
|
||||||
|
* Change Logs:
|
||||||
|
* Date Author Notes
|
||||||
|
* 2013-11-15 bright the first version
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __USART_H__
|
||||||
|
#define __USART_H__
|
||||||
|
|
||||||
|
#include <rthw.h>
|
||||||
|
#include <rtthread.h>
|
||||||
|
#include "stm32f0xx.h"
|
||||||
|
|
||||||
|
#define RT_USING_UART1
|
||||||
|
#define RT_USING_UART2
|
||||||
|
|
||||||
|
#define UART_ENABLE_IRQ(n) NVIC_EnableIRQ((n))
|
||||||
|
#define UART_DISABLE_IRQ(n) NVIC_DisableIRQ((n))
|
||||||
|
|
||||||
|
void rt_hw_usart_init(void);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -9,15 +9,16 @@
|
||||||
#define RT_ALIGN_SIZE 4
|
#define RT_ALIGN_SIZE 4
|
||||||
|
|
||||||
/* PRIORITY_MAX */
|
/* PRIORITY_MAX */
|
||||||
#define RT_THREAD_PRIORITY_MAX 8
|
#define RT_THREAD_PRIORITY_MAX 32
|
||||||
|
|
||||||
/* Tick per Second */
|
/* Tick per Second */
|
||||||
#define RT_TICK_PER_SECOND 100
|
#define RT_TICK_PER_SECOND 100
|
||||||
|
|
||||||
/* SECTION: RT_DEBUG */
|
/* SECTION: RT_DEBUG */
|
||||||
/* Thread Debug */
|
/* Thread Debug */
|
||||||
/* #define RT_DEBUG */
|
#define RT_DEBUG
|
||||||
/* #define RT_USING_OVERFLOW_CHECK */
|
#define RT_DEBUG_INIT 1
|
||||||
|
#define RT_USING_OVERFLOW_CHECK
|
||||||
|
|
||||||
/* Using Hook */
|
/* Using Hook */
|
||||||
/* #define RT_USING_HOOK */
|
/* #define RT_USING_HOOK */
|
||||||
|
|
@ -49,27 +50,58 @@
|
||||||
/* #define RT_USING_MEMPOOL */
|
/* #define RT_USING_MEMPOOL */
|
||||||
|
|
||||||
/* Using Dynamic Heap Management */
|
/* Using Dynamic Heap Management */
|
||||||
/* #define RT_USING_HEAP */
|
#define RT_USING_HEAP
|
||||||
|
|
||||||
/* Using Small MM */
|
/* Using Small MM */
|
||||||
#define RT_USING_SMALL_MEM
|
#define RT_USING_SMALL_MEM
|
||||||
#define RT_USING_TINY_SIZE
|
#define RT_USING_TINY_SIZE
|
||||||
|
|
||||||
|
// <bool name="RT_USING_COMPONENTS_INIT" description="Using RT-Thread components initialization" default="true" />
|
||||||
|
#define RT_USING_COMPONENTS_INIT
|
||||||
|
|
||||||
/* SECTION: Device System */
|
/* SECTION: Device System */
|
||||||
/* Using Device System */
|
/* Using Device System */
|
||||||
/* #define RT_USING_DEVICE */
|
#define RT_USING_DEVICE
|
||||||
|
// <bool name="RT_USING_DEVICE_IPC" description="Using device communication" default="true" />
|
||||||
|
#define RT_USING_DEVICE_IPC
|
||||||
|
// <bool name="RT_USING_SERIAL" description="Using Serial" default="true" />
|
||||||
|
#define RT_USING_SERIAL
|
||||||
|
|
||||||
/* SECTION: Console options */
|
/* SECTION: Console options */
|
||||||
//#define RT_USING_CONSOLE
|
#define RT_USING_CONSOLE
|
||||||
/* the buffer size of console*/
|
/* the buffer size of console*/
|
||||||
#define RT_CONSOLEBUF_SIZE 128
|
#define RT_CONSOLEBUF_SIZE 128
|
||||||
|
// <string name="RT_CONSOLE_DEVICE_NAME" description="The device name for console" default="uart1" />
|
||||||
|
#define RT_CONSOLE_DEVICE_NAME "uart1"
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/* SECTION: finsh, a C-Express shell */
|
/* SECTION: finsh, a C-Express shell */
|
||||||
/* #define RT_USING_FINSH */
|
#define RT_USING_FINSH
|
||||||
|
/* configure finsh parameters */
|
||||||
|
#define FINSH_THREAD_PRIORITY 25
|
||||||
|
#define FINSH_THREAD_STACK_SIZE 1024
|
||||||
|
#define FINSH_HISTORY_LINES 1
|
||||||
/* Using symbol table */
|
/* Using symbol table */
|
||||||
#define FINSH_USING_SYMTAB
|
#define FINSH_USING_SYMTAB
|
||||||
#define FINSH_USING_DESCRIPTION
|
#define FINSH_USING_DESCRIPTION
|
||||||
|
|
||||||
|
/* SECTION: libc management */
|
||||||
|
#ifdef __CC_ARM
|
||||||
|
/* #define RT_USING_MINILIBC */
|
||||||
|
/* #define RT_USING_NEWLIB */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __ICCARM__
|
||||||
|
/* #define RT_USING_MINILIBC */
|
||||||
|
/* #define RT_USING_NEWLIB */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __GNUC__
|
||||||
|
/* #define RT_USING_MINILIBC */
|
||||||
|
#define RT_USING_NEWLIB
|
||||||
|
#endif
|
||||||
|
|
||||||
/* SECTION: device filesystem */
|
/* SECTION: device filesystem */
|
||||||
/* #define RT_USING_DFS */
|
/* #define RT_USING_DFS */
|
||||||
//#define RT_USING_DFS_ELMFAT
|
//#define RT_USING_DFS_ELMFAT
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue