- 工程准备，例程在此链接的基础上添加的
https://blog.csdn.net/mygod2008ok/article/details/107142245
- 加入stm32f0xx_hal_spi.c和stm32f0xx_hal_spi_ex.c到工程
- 在stm32f0xx_hal_config.h文件打开HAL_SPI_MODULE_ENABLED宏
- 新建BSP_spi.c,BSP_spi.h,BSP_lcd_device.c和BSP_lcd_device.h并加入的工程
- BSP_spi.c的内容如下
#include "BSP_spi.h"
#include "stm32f0xx_hal_spi.h"
#include "stm_log.h"
SPI_HandleTypeDef SpiHandle;
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
/**
* @brief spi initialization
*/
void BSP_spi_init()
{
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
SpiHandle.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
SpiHandle.Init.CRCLength = SPI_CRC_LENGTH_8BIT;
SpiHandle.Init.Mode = SPI_MODE_MASTER;
HAL_StatusTypeDef err_code = HAL_SPI_Init(&SpiHandle);
APP_ERROR_CHECK(err_code);
/*初始化CS引脚*/
SPIx_MOSI_GPIO_CS_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
/* -2- Configure IOs in output push-pull mode to drive external LEDs */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Pin = SPIx_CS_PIN;
HAL_GPIO_Init(SPIx_CS_GPIO_PORT, &GPIO_InitStruct);
}
/**
* @brief spi de-initialization
*/
void BSP_spi_deinit()
{
HAL_SPI_DeInit(&SpiHandle);
HAL_GPIO_DeInit(SPIx_CS_GPIO_PORT, SPIx_CS_PIN);
SPIx_MOSI_GPIO_CS_DISABLE();
}
/**
* @brief 传输数据
* @param None
* @retval None
*/
void BSP_spi_transmit_data(uint8_t *tx_buf,uint8_t *rx_buf,uint16_t size)
{
uint32_t retry=0,out_time=5000;
SPIx_CS_ENABLE;
while (HAL_SPI_GetState(&SpiHandle) != HAL_SPI_STATE_READY)
{
retry++;
if(retry>200)
{
NRF_LOG_INFO("SPI state no ready before transmit");
SPIx_CS_DISABLE;
return;
}
}
HAL_SPI_TransmitReceive(&SpiHandle, tx_buf, rx_buf, size, out_time);
while (HAL_SPI_GetState(&SpiHandle) != HAL_SPI_STATE_READY)
{
retry++;
if(retry>200)
{
NRF_LOG_INFO("SPI state no ready after transmit");
SPIx_CS_DISABLE;
return;
}
}
SPIx_CS_DISABLE;
}
/**
* @brief SPI MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (hspi->Instance == SPIx)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
SPIx_SCK_GPIO_CLK_ENABLE();
SPIx_MISO_GPIO_CLK_ENABLE();
SPIx_MOSI_GPIO_CLK_ENABLE();
/* Enable SPI3 clock */
SPIx_CLK_ENABLE();
/* Enable DMA1 clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* SPI SCK GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_SCK_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = SPIx_SCK_AF;
HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);
/* SPI MISO GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MISO_PIN;
GPIO_InitStruct.Alternate = SPIx_MISO_AF;
HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
/* SPI MOSI GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
GPIO_InitStruct.Alternate = SPIx_MOSI_AF;
HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = SPIx_TX_DMA_STREAM;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmatx, hdma_tx);
/* Configure the DMA handler for Transmission process */
hdma_rx.Instance = SPIx_RX_DMA_STREAM;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (SPI3_TX) */
HAL_NVIC_SetPriority(SPIx_DMA_TX_IRQn, 1, 1);
HAL_NVIC_EnableIRQ(SPIx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (SPI3_RX) */
HAL_NVIC_SetPriority(SPIx_DMA_RX_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(SPIx_DMA_RX_IRQn);
}
}
/**
* @brief SPI MSP De-Initialization
* This function frees the hardware resources used in this example:
* - Disable the Peripheral's clock
* - Revert GPIO, DMA and NVIC configuration to their default state
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi)
{
if (hspi->Instance == SPIx)
{
/*##-1- Reset peripherals ##################################################*/
SPIx_FORCE_RESET();
SPIx_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks ################################*/
/* Configure SPI SCK as alternate function */
HAL_GPIO_DeInit(SPIx_SCK_GPIO_PORT, SPIx_SCK_PIN);
/* Configure SPI MISO as alternate function */
HAL_GPIO_DeInit(SPIx_MISO_GPIO_PORT, SPIx_MISO_PIN);
/* Configure SPI MOSI as alternate function */
HAL_GPIO_DeInit(SPIx_MOSI_GPIO_PORT, SPIx_MOSI_PIN);
/*##-3- Disable the DMA ####################################################*/
/* De-Initialize the DMA associated to transmission process */
HAL_DMA_DeInit(&hdma_tx);
/* De-Initialize the DMA associated to reception process */
HAL_DMA_DeInit(&hdma_rx);
/*##-4- Disable the NVIC for DMA ###########################################*/
HAL_NVIC_DisableIRQ(SPIx_DMA_TX_IRQn);
HAL_NVIC_DisableIRQ(SPIx_DMA_RX_IRQn);
}
}
- BSP_spi.h的内容如下：
#ifndef __BSP_SPI_H_
#define __BSP_SPI_H_
#include "main.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Definition for SPIx clock resources 使能相关时钟*/
#define SPIx SPI1
#define SPIx_CLK_ENABLE() __HAL_RCC_SPI1_CLK_ENABLE()
#define DMAx_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
#define SPIx_SCK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define SPIx_MISO_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define SPIx_MOSI_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define SPIx_MOSI_GPIO_CS_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define SPIx_MOSI_GPIO_CS_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
#define SPIx_FORCE_RESET() __HAL_RCC_SPI1_FORCE_RESET()
#define SPIx_RELEASE_RESET() __HAL_RCC_SPI1_RELEASE_RESET()
/* Definition for SPIx Pins 引脚映射关系*/
#define SPIx_SCK_PIN GPIO_PIN_5
#define SPIx_SCK_GPIO_PORT GPIOA
#define SPIx_SCK_AF GPIO_AF0_SPI1
#define SPIx_MISO_PIN GPIO_PIN_6
#define SPIx_MISO_GPIO_PORT GPIOA
#define SPIx_MISO_AF GPIO_AF0_SPI1
#define SPIx_MOSI_PIN GPIO_PIN_7
#define SPIx_MOSI_GPIO_PORT GPIOA
#define SPIx_MOSI_AF GPIO_AF0_SPI1
#define SPIx_CS_PIN GPIO_PIN_4
#define SPIx_CS_GPIO_PORT GPIOA
/* Definition for SPIx's DMA */
#define SPIx_TX_DMA_STREAM DMA1_Channel3
#define SPIx_RX_DMA_STREAM DMA1_Channel2
/* Definition for SPIx's NVIC */
#define SPIx_DMA_TX_IRQn DMA1_Channel2_3_IRQn
#define SPIx_DMA_RX_IRQn DMA1_Channel2_3_IRQn
#define SPIx_DMA_TX_IRQHandler DMA1_Channel2_3_IRQHandler
#define SPIx_DMA_RX_IRQHandler DMA1_Channel2_3_IRQHandler
/* Size of buffer */
//#define BUFFERSIZE (COUNTOF(aTxBuffer) - 1)
#define SPIx_CS_ENABLE HAL_GPIO_WritePin(SPIx_CS_GPIO_PORT,SPIx_CS_PIN,GPIO_PIN_RESET)
#define SPIx_CS_DISABLE HAL_GPIO_WritePin(SPIx_CS_GPIO_PORT,SPIx_CS_PIN,GPIO_PIN_SET)
/* Exported macro ------------------------------------------------------------*/
#define COUNTOF(__BUFFER__) (sizeof(__BUFFER__) / sizeof(*(__BUFFER__)))
/* Exported functions ------------------------------------------------------- */
extern SPI_HandleTypeDef SpiHandle;
void BSP_spi_init(void);
void BSP_spi_deinit(void);
void BSP_spi_transmit_data(uint8_t *tx_buf,uint8_t *rx_buf,uint16_t size);
#ifdef __cplusplus
}
#endif
#endif
- BSP_lcd_device.c内容如下：
#include "BSP_lcd_device.h"
#include "BSP_delay.h"
#include "main.h"
#include "stm_log.h"
//-----------8X16数字--------------
const uint8_t digit_8x16_icon[][16] = {
{
0xFF,0xFE,0xFF,0xFE,0xC0,0x06,0xC0,0x06,
0xC0,0x06,0xC0,0x06,0xFF,0xFE,0xFF,0xFE
}, // 0
{
0x00,0x00,0x20,0x06,0x60,0x06,0xFF,0xFE,
0xFF,0xFE,0x00,0x06,0x00,0x06,0x00,0x00
}, // 1
{
0xC3,0xFE,0xC3,0xFE,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xFF,0x06,0xFF,0x06
}, // 2
{
0x00,0x00,0xC0,0x06,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xFF,0xFE,0xFF,0xFE
}, // 3
{
0x0F,0xE0,0x3F,0xE0,0xF0,0x60,0xC0,0x60,
0x3F,0xFE,0x3F,0xFE,0x00,0x60,0x00,0x60
}, // 4
{
0xFF,0x06,0xFF,0x06,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xC3,0xFE,0xC3,0xFE
}, // 5
{
0xFF,0xFE,0xFF,0xFE,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xC3,0xFE,0xC3,0xFE
}, // 6
{
0xC0,0x00,0xC0,0x00,0xC0,0x00,0xC0,0x00,
0xC0,0xFE,0xCF,0xFE,0xFF,0x00,0xF0,0x00
}, // 7
{
0xFF,0xFE,0xFF,0xFE,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xFF,0xFE,0xFF,0xFE
}, // 8
{
0xFF,0x06,0xFF,0x06,0xC3,0x06,0xC3,0x06,
0xC3,0x06,0xC3,0x06,0xFF,0xFE,0xFF,0xFE
} // 9
};
//-------------------percent--------------------------
const uint8_t percent_icon[] = {
0x00,0x00,0x00,0x00,0x3E,0x00,0x00,0x7F,
0x00,0x00,0x63,0x02,0x00,0x63,0x0E,0x00,
0x7F,0x1C,0x00,0x3E,0x70,0x00,0x00,0xE0,
0x00,0x03,0x80,0x00,0x07,0x3E,0x00,0x1C,
0x7F,0x00,0x38,0x63,0x00,0x20,0x63,0x00,
0x00,0x7F,0x00,0x00,0x3E,0x00,0x00,0x00
};
#define DISPLAY_MODE 0 // 0 白字黑底 1 黑字白底
//0-63（y的偏移量）一次1位
#define LCD_Y_ADDR 0x40//start line（低6位有效）
//0-15(0-7有效区间，y的偏移量)一次8位
#define LCD_PAGE_ADDR 0xb0//设置页的地址（低四位）
//0-255(0-127有效区间，x的偏移量)一次一位
#define LCD_X_ADDR_H 0x10//设置列COLUMN的高地址(低四位)
#define LCD_X_ADDR_L 0x00//设置列COLUMN的低地址(低四位)
static uint8_t highToLowByte(uint8_t data)
{
uint8_t temp=0;
for(uint8_t i=0;i127)||(page>7))
NRF_LOG_INFO("LCD_ADDR_OVER:X=%d,PAGE=%d",x,page);
x_addrh=(x>>4)&0x0f;
x_addrh|=LCD_X_ADDR_H;
x_addrl=x&0x0f;
x_addrl|=LCD_X_ADDR_L;
// y++;//计算要从1开始
// page=y/8;
// remain=y%8;
// (remain>0)?(page++):(page);
// if(page)//从0开始的
// page--;
// really_page=page;
NRF_LOG_INFO("PAGE=%d",page);
// page|=LCD_PAGE_ADDR;
page&=0x0f;
page|=LCD_PAGE_ADDR;
lcdWriteCmd(x_addrh);
lcdWriteCmd(x_addrl);
lcdWriteCmd(page);
}
void app_lcd_fill_ram(uint8_t data)
{
for(uint8_t i=0;i
关注
打赏
![]()
1656847316
查看更多评论
最近更新
- 深拷贝和浅拷贝的区别（重点）
- 【Vue】走进Vue框架世界
- 【云服务器】项目部署—搭建网站—vue电商后台管理系统
- 【React介绍】 一文带你深入React
- 【React】React组件实例的三大属性之state，props，refs（你学废了吗）
- 【脚手架VueCLI】从零开始，创建一个VUE项目
- 【React】深入理解React组件生命周期----图文详解（含代码）
- 【React】DOM的Diffing算法是什么？以及DOM中key的作用----经典面试题
- 【React】1_使用React脚手架创建项目步骤--------详解(含项目结构说明)
- 【React】2_如何使用react脚手架写一个简单的页面？
