为了方便大家焊接完成后检查焊接成果。版主编写了测试程序。
测试程序首先以列为扫描，之后以层为扫描，之后全亮，最后再全灭。循环如此。
附源代码如下：
/** ****************************************************************************** * @file main.c * @author Jobs Zheng * @version V1.0 * @date 2014-08-17 * @brief LEDcube 测试程序 * @note 按列扫描，按层扫描，全亮，全灭 ****************************************************************************** * @attention * ** * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "bsp.h" /** @addtogroup STM32_EEPW * @{ */ /** @defgroup LEDCUBE * @brief * @{ */ /** @defgroup LEDCUBE_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Defines * @{ */ //#define SIMULATE (1) #define INTERVAL (500) /** * @} */ /** @defgroup LEDCUBE_Private_Macros * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Variables * @{ */ uint16_t gSecond= 0; bool gShareMemoryBusy; uint8_t gDisp = 0; uint16_t gCount = 0; uint8_t gGraphBuffer[64] = {0xFF,}; /** * @} */ /** @defgroup LEDCUBE_Private_FunctionPrototypes * @{ */ void AutoReFresh(uint8_t *BufferPtr, bool gShareMemoryBusy); /** * @} */ /** @defgroup LEDCUBE_Private_Functions * @{ */ /** * @brief main function * @param * @retval * @date 2014-03-24 * @note */ void main(void) { gShareMemoryBusy = false; uint8_t i; uint8_t RollLayer[] = {0, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0xFF}; uint8_t RollRow[] = {0, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0xFF}; uint8_t RollLayerLongth = sizeof(RollLayer); uint8_t RollRowLongth = sizeof(RollRow); for(i = 0; i < 64; i++) { gShareMemoryBusy = true; gGraphBuffer[i] = 0xFF; gShareMemoryBusy = false; } i = 0; #ifndef SIMULATE Bsp_Init(); /*!< 底层外设模块初始化 */ #endif if (SysTick_Config(72000)) /*!< 1000Hz(1ms)中断间隔 */ { while (1); } while(true) { if(gSecond == INTERVAL) { gSecond = 0; if(i < RollRowLongth) { gShareMemoryBusy = true; DispRow(RollRow[i], gGraphBuffer); gShareMemoryBusy = false; } else { gShareMemoryBusy = true; DispLayer(RollLayer[i - RollRowLongth], gGraphBuffer); gShareMemoryBusy = false; } i++; if(i == (RollRowLongth + RollLayerLongth)) { i = 0; } else { ; //nothing to do } } } } /** * @brief 定时刷新光立方显示 * @param uint8_t *BufferPtr: 显示图形缓存 bool MemBusy: 检查显示图形缓存是否可用， true：正在更新缓存，此时不显示； false：已经完成数据更新，不断刷新 * @retval * @date 2014-08-17 * @note 1000Hz显示每一层 */ void AutoReFresh(uint8_t *BufferPtr, bool MemBusy) { if(MemBusy == true) { // to do something return; } else { Bsp_LayerOff(gDisp); //关闭当前层的显示 H595Disable(); gDisp++; if(gDisp > 7) { gDisp = 0; } DispFlush(BufferPtr + gDisp * 8); H595Enable(); Bsp_LayerOn(gDisp); //打开当前层的显示 } } /** * @brief 使用systick中断产生1000Hz, 1ms中断 * @param * @retval * @date 2014-08-17 * @note 500Hz会出现闪烁 */ void SysTick_Handler(void) { AutoReFresh((uint8_t *)gGraphBuffer, gShareMemoryBusy); if(gSecond < INTERVAL) { gSecond++; } else { gSecond = INTERVAL; } } /** * @} */ /** * @} */ /** * @} */ /******************* (C) EEPW.com.cn*****END OF FILE****/
© COPYRIGHT 2013 EEPW.com.cn
/** ****************************************************************************** * @file display.c * @author Jobs Zheng * @version v1.0 * @date 2014-08-17 09:59 * @brief 用来显示函数图形 * @note ****************************************************************************** * @attention * ** * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "display.h" /** @addtogroup STM32_EEPW * @{ */ /** @defgroup LEDCUBE * @brief * @{ */ /** @defgroup LEDCUBE_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Defines * @{ */ //#define XXXX () /*!< */ /** * @} */ /** @defgroup LEDCUBE_Private_Macros * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Variables * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_FunctionPrototypes * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Functions * @{ */ /** * @brief 显示某层LED灯 * @param uint8_t lay:第0位表示第0层点亮 uint8_t * bufferPtr：图形显示缓存 * @retval * @date 2014-08-17 * @note */ void DispLayer(uint8_t lay, uint8_t * bufferPtr) { uint8_t temp[64]; uint8_t i, j; for(i =0; i < 8; i++) { if(((lay >> i) & 0x01) == 0x01) { for(j = 0; j < 8; j++) { temp[i * 8 + j] = 0x00; } } else { for(j = 0; j < 8; j++) { temp[i * 8 + j] = 0xFF; } } } /** * @brief 将临时缓存区的内容拷贝至图形缓存区 * */ for(i = 0; i < 64; i++) { *(bufferPtr + i) = temp[i]; } } /** * @brief 显示某列LED灯 * @param uint8_t row:第0位表示第0列点亮 uint8_t * bufferPtr：图形显示缓存 * @retval * @date 2014-08-17 * @note */ void DispRow(uint8_t row, uint8_t * bufferPtr) { uint8_t temp[64]; uint8_t i, j; for(i =0; i < 8; i++) { if(((row >> i) & 0x01) == 0x01) { for(j = 0; j < 8; j++) { temp[i + j * 8] = 0x00; } } else { for(j = 0; j < 8; j++) { temp[i + j * 8] = 0xFF; } } } /** * @brief 将临时缓存区的内容拷贝至图形缓存区 * */ for(i = 0; i < 64; i++) { *(bufferPtr + i) = temp[i]; } } /** * @} */ /** * @} */ /** * @} */ /******************* (C) EEPW.com.cn*****END OF FILE****/
© COPYRIGHT 2014 EEPW.com.cn
/** ****************************************************************************** * @file bsp.c * @author Jobs Zheng * @version * @date 2014-06-15 15:54 * @brief 光立方项目工程 * @note 初始化板载硬件外设端口，spi1,spi2,uart1及时钟 ****************************************************************************** * @attention * ** * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "bsp.h" #include
© COPYRIGHT 2014 EEPW.com.cn /** @addtogroup STM32_EEPW * @{ */ /** @defgroup LEDCUBE * @brief * @{ */ /** @defgroup LEDCUBE_Private_TypesDefinitions * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Defines * @{ */ /** * @} */ /** @defgroup LEDCUBE_Private_Macros * @{ */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @} */ /** @defgroup LEDCUBE_Private_Variables * @{ */ ErrorStatus HSEStartUpStatus; /** * @} */ /** @defgroup LEDCUBE_Private_FunctionPrototypes * @{ */ static void SysClockInit(void); /** * @} */ /** @defgroup LEDCUBE_Private_Functions * @{ */ /** * @brief called from main.c * @param * @retval * @date 2014-03-24 * @note */ void Bsp_Init(void) { SysClockInit(); Bsp_LayerInit(); Uart1Init(115200); HC595_Init(); } /** * @brief initial the sysclock, * @param * @retval * @date 2014-03-24 * @note */ static void SysClockInit(void) { /* SYSCLK, HCLK, PCLK2 and PCLK1 configuration -----------------------------*/ /* RCC system reset(for debug purpose) */ RCC_DeInit(); /* Enable HSE */ RCC_HSEConfig(RCC_HSE_ON); /* Wait till HSE is ready */ HSEStartUpStatus = RCC_WaitForHSEStartUp(); if (HSEStartUpStatus == SUCCESS) { /* Enable Prefetch Buffer */ FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); /* Flash 2 wait state */ FLASH_SetLatency(FLASH_Latency_2); /* HCLK = SYSCLK */ RCC_HCLKConfig(RCC_SYSCLK_Div1); /* PCLK2 = HCLK */ RCC_PCLK2Config(RCC_HCLK_Div1); /* PCLK1 = HCLK/2 */ RCC_PCLK1Config(RCC_HCLK_Div2); /* PLLCLK = 12MHz * 6 = 72 MHz */ RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_6); /* 此处需要根据外部晶振的改变而改变 */ /* Enable PLL */ RCC_PLLCmd(ENABLE); /* Wait till PLL is ready */ while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) { } /* Select PLL as system clock source */ RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); /* Wait till PLL is used as system clock source */ while(RCC_GetSYSCLKSource() != 0x08) { } } else { /* If HSE fails to start-up, the application will have wrong clock configuration. User can add here some code to deal with this error */ /* Go to infinite loop */ while (1) { } } } /** * @brief 初始化板载8层LED灯 * @param none * @retval none * @date 2014-04-27 * @note */ void Bsp_LayerInit(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(LAYER0_GPIO_CLK, ENABLE); GPIO_InitStructure.GPIO_Pin = LAYER0_PIN | LAYER1_PIN | LAYER2_PIN | LAYER3_PIN | LAYER4_PIN | LAYER5_PIN | LAYER6_PIN | LAYER7_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(LAYER0_GPIO_PORT, &GPIO_InitStructure); } /** * @brief 给某一层LED灯通电 * @param uint8_t lay * @retval * @date 2014-06-30 * @note */ void Bsp_LayerOn(uint8_t lay) { switch(lay) { case 0: { GPIO_SetBits(LAYER0_GPIO_PORT, LAYER0_PIN); break; } case 1: { GPIO_SetBits(LAYER1_GPIO_PORT, LAYER1_PIN); break; } case 2: { GPIO_SetBits(LAYER2_GPIO_PORT, LAYER2_PIN); break; } case 3: { GPIO_SetBits(LAYER3_GPIO_PORT, LAYER3_PIN); break; } case 4: { GPIO_SetBits(LAYER4_GPIO_PORT, LAYER4_PIN); break; } case 5: { GPIO_SetBits(LAYER5_GPIO_PORT, LAYER5_PIN); break; } case 6: { GPIO_SetBits(LAYER6_GPIO_PORT, LAYER6_PIN); break; } case 7: { GPIO_SetBits(LAYER7_GPIO_PORT, LAYER7_PIN); break; } } } /** * @brief 给某一层LED灯断电 * @param uint8_t lay * @retval * @date 2014-06-30 * @note */ void Bsp_LayerOff(uint8_t lay) { switch(lay) { case 0: { GPIO_ResetBits(LAYER0_GPIO_PORT, LAYER0_PIN); break; } case 1: { GPIO_ResetBits(LAYER1_GPIO_PORT, LAYER1_PIN); break; } case 2: { GPIO_ResetBits(LAYER2_GPIO_PORT, LAYER2_PIN); break; } case 3: { GPIO_ResetBits(LAYER3_GPIO_PORT, LAYER3_PIN); break; } case 4: { GPIO_ResetBits(LAYER4_GPIO_PORT, LAYER4_PIN); break; } case 5: { GPIO_ResetBits(LAYER5_GPIO_PORT, LAYER5_PIN); break; } case 6: { GPIO_ResetBits(LAYER6_GPIO_PORT, LAYER6_PIN); break; } case 7: { GPIO_ResetBits(LAYER7_GPIO_PORT, LAYER7_PIN); break; } } } /** * @brief 初始化74HC595的驱动方式，使用spi2接口 * @param none * @retval none * @date 2014-06-15 * @note 使用SPI2的单向，仅发送，低速APB1，最大36MHz */ void HC595_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; SPI_InitTypeDef SPI_InitStructure; /*!< PB13 => SPI2_SCK(LED_SCK); PB15 => SPI2_MOSI(LED_TX) Periph clock enable */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); /*!< SPI2 Periph clock enable */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE); /*!< Configure SPI pins: SCK */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); /*!< Configure sFLASH_SPI pins: MOSI */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; GPIO_Init(GPIOB, &GPIO_InitStructure); /*!< SPI configuration */ SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx; SPI_InitStructure.SPI_Mode = SPI_Mode_Master; SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64; SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; SPI_InitStructure.SPI_CRCPolynomial = 7; SPI_Init(SPI2, &SPI_InitStructure); /*!< Enable the sFLASH_SPI */ SPI_Cmd(SPI2, ENABLE); /*!< Configure PB14 => ROW */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); } /** * @brief 发送一层的数据 * @param uint8_t *BufPtr:发送缓冲区，共8字节数据 * @retval * @date 2014-06-17 * @note */ void H595SendData(const uint8_t *BufPtr) { /*!< Send byte through the SPI2 peripheral */ SPI_I2S_SendData(SPI2, *BufPtr); /*!< Loop while DR register in not emplty */ while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET); } /** * @brief 使能74HC595，输出数据 * @param none * @retval none * @date 2014-08-17 * @note */ void H595Enable(void) { GPIO_SetBits(GPIOB, GPIO_Pin_14); //发送显示开启上升沿 GPIO_ResetBits(GPIOB, GPIO_Pin_14); } /** * @brief 复位74HC595 * @param none * @retval none * @date 2014-08-17 * @note */ void H595Disable(void) { GPIO_ResetBits(GPIOB, GPIO_Pin_14); } /** * @brief 显示一次内容 * @param * @retval * @date 2014-07-10 * @note */ void DispFlush(const uint8_t *BufPtr) { uint8_t i; for(i = 0; i < 8; i++) { H595SendData(BufPtr + i); } while (SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_BSY) == SET); } /** * @brief 配置串口1为printf * @param none * @retval none * @date 2014-06-15 * @note */ void Uart1Init(uint32_t band) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); /* Configure USART Tx as alternate function push-pull */ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); /* Configure USART Rx as input floating */ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_Init(GPIOA, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = band; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; 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 configuration */ USART_Init(USART1, &USART_InitStructure); /* Enable USART */ USART_Cmd(USART1, ENABLE); } /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(USART1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET) { ; } return ch; } /** * @} */ /** * @} */ /** * @} */ /******************* (C) EEPW.com.cn*****END OF FILE****/
以上是三个C文件的源代码。
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