今天搞了一下HT1621模块。
DA接PC10,WR接PD9,CS接PF7。
代码：
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#define DA_PIN GPIO_PIN_10
#define DA_GPIO_PORT GPIOC
#define DA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define DA_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
#define WR_PIN GPIO_PIN_9
#define WR_GPIO_PORT GPIOD
#define WR_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define WR_GPIO_CLK_DISABLE() __HAL_RCC_GPIOD_CLK_DISABLE()
#define CS_PIN GPIO_PIN_7
#define CS_GPIO_PORT GPIOF
#define CS_GPIO_CLK_ENABLE() __HAL_RCC_GPIOF_CLK_ENABLE()
#define CS_GPIO_CLK_DISABLE() __HAL_RCC_GPIOF_CLK_DISABLE()
#define CS_0 HAL_GPIO_WritePin(CS_GPIO_PORT,CS_PIN,GPIO_PIN_RESET)
#define CS_1 HAL_GPIO_WritePin(CS_GPIO_PORT,CS_PIN,GPIO_PIN_SET)
#define WR_0 HAL_GPIO_WritePin(WR_GPIO_PORT,WR_PIN,GPIO_PIN_RESET)
#define WR_1 HAL_GPIO_WritePin(WR_GPIO_PORT,WR_PIN,GPIO_PIN_SET)
#define DA_0 HAL_GPIO_WritePin(DA_GPIO_PORT,DA_PIN,GPIO_PIN_RESET)
#define DA_1 HAL_GPIO_WritePin(DA_GPIO_PORT,DA_PIN,GPIO_PIN_SET)
#define BIAS 0x52 //0b1000 0101 0010 1/3duty 4com
#define SYSDIS 0X00 //0b1000 0000 0000 ???????LCD?????
#define SYSEN 0X02 //0b1000 0000 0010 ???????
#define LCDOFF 0X04 //0b1000 0000 0100 ?LCD??
#define LCDON 0X06 //0b1000 0000 0110 ??LCD??
#define XTAL 0x28 //0b1000 0010 1000 ?????
#define RC256 0X30 //0b1000 0011 0000 ????
#define WDTDIS1 0X0A //0b1000 0000 1010 ?????
/* USER CODE END Includes */
#define uchar unsigned char
#define uint unsigned int
/* USER CODE BEGIN PV */
static GPIO_InitTypeDef GPIO_InitStruct;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void SystemPower_Config(void);
static void MX_ICACHE_Init(void);
/* USER CODE BEGIN PFP */
unsigned int tmp;
unsigned int n1, n2, n3, n4;
unsigned char Ht1621Tab[]={0x00,0x00,0x00,0x00};
//unsigned char DispTab[]={0x7B,0x12,0x67,0x57,0x1E,0x5D,0x7D,0x13,0x7F,0x5F,0x69,0x45,0x3f, 0x7a, 0x3e};
// 0 1 2 3 4 5 6 7 8 9 C ? A V H
unsigned char DispTab[]={0x7B,0x12,0x67,0x57,0x1E,0x5D,0x7D,0x13,0x7F,0x5F,0x3F,0x7C,0x69,0x76,0x6D, 0x2D};
// 0 1 2 3 4 5 6 7 8 9 A b C d E F
void Ht1621_CS_0() { CS_0;} // define P2.2 ---> CS
void Ht1621_CS_1() { CS_1;}
void Ht1621_WR_0() { WR_0;} // define P2.1 ---> WR
void Ht1621_WR_1() { WR_1;}
void Ht1621_DO_0() { DA_0;} // define P2.0 ---> DAT
void Ht1621_DO_1() { DA_1;}
unsigned int counter;
//-----------------------------------------------------------------------------------------
//????:Delay()
//? ?:?????
//-----------------------------------------------------------------------------------------
void Delay(uint us) //5,7,9
{
while(--us);
}
//-----------------------------------------------------------------------------------------
//????:Delayms()
//-----------------------------------------------------------------------------------------
void Delayms(unsigned int ims)
{
unsigned int i,j;
for(i=0;i<ims;i++)
for(j=0;j<65;j++) { Delay(1); }
}
//-----------------------------------------------------------------------------------------
//Ht1621Wr_Data()
//-----------------------------------------------------------------------------------------
void Ht1621Wr_Data(unsigned char Data,unsigned char cnt)
{
unsigned char i;
for (i=0;i<cnt;i++)
{
Ht1621_WR_0();
HAL_Delay(1);
if((Data & 0x80)==0x80) {Ht1621_DO_1();HAL_Delay(10);}
else {Ht1621_DO_0();HAL_Delay(10);}
Ht1621_WR_1();
HAL_Delay(1);
Data<<=1;
}
}
//-----------------------------------------------------------------------------------------
//void Ht1621WrCmd(uchar Cmd)
//-----------------------------------------------------------------------------------------
void Ht1621WrCmd(unsigned char Cmd)
{
Ht1621_CS_0();
HAL_Delay(1);
Ht1621Wr_Data(0x80,4); //??????100
Ht1621Wr_Data(Cmd,8); //??????
Ht1621_CS_1();
HAL_Delay(1);
}
//-----------------------------------------------------------------------------------------
//void Ht1621WrOneData(uchar Addr,uchar Data)
//-----------------------------------------------------------------------------------------
void Ht1621WrOneData(unsigned char Addr,unsigned char Data)
{
Ht1621_CS_0();
Ht1621Wr_Data(0xa0,3); //??????101
Ht1621Wr_Data(Addr<<2,6); //??????
Ht1621Wr_Data(Data,4); //???????? 7 6 5 4
Ht1621_CS_1();
}
//-----------------------------------------------------------------------------------------
//void Ht1621WrAllData()
//-----------------------------------------------------------------------------------------
void Ht1621WrAllData(unsigned char Addr,unsigned char *p,unsigned char cnt)
{
unsigned char i;
Ht1621_CS_0();
Ht1621Wr_Data(0xa0,3); //??????101
Ht1621Wr_Data(Addr<<2,6); //??????
for (i=0;i<cnt;i++)
{
Ht1621Wr_Data(*p,8); //????
p++;
}
Ht1621_CS_1();
}
//-----------------------------------------------------------------------------------------
//void Ht1621_Init(void)
//-----------------------------------------------------------------------------------------
void Ht1621_Init(void)
{
Ht1621WrCmd(BIAS);
Ht1621WrCmd(RC256); //???????
//Ht1621WrCmd(XTAL); //???????
Ht1621WrCmd(SYSDIS);
Ht1621WrCmd(WDTDIS1);
Ht1621WrCmd(SYSEN);
Ht1621WrCmd(LCDON);
}
//-----------------------------------------------------------------------------------------
//DISPLAY
//-----------------------------------------------------------------------------------------
void Display(void)
{
unsigned char com;
com = 0;
if((DispTab[n1]&0x01) == 0x01){ com = com + 0x10;}
if((DispTab[n2]&0x01) == 0x01){ com = com + 0x20;}
if((DispTab[n3]&0x01) == 0x01){ com = com + 0x40;}
if((DispTab[n4]&0x01) == 0x01){ com = com + 0x80;}
Ht1621WrOneData(0 , com);
com = 0;
if((DispTab[n1]&0x02) == 0x02){ com = com + 0x10;}
if((DispTab[n2]&0x02) == 0x02){ com = com + 0x20;}
if((DispTab[n3]&0x02) == 0x02){ com = com + 0x40;}
if((DispTab[n4]&0x02) == 0x02){ com = com + 0x80;}
Ht1621WrOneData(1 , com);
com = 0;
if((DispTab[n1]&0x10) == 0x10){ com = com + 0x10;}
if((DispTab[n2]&0x10) == 0x10){ com = com + 0x20;}
if((DispTab[n3]&0x10) == 0x10){ com = com + 0x40;}
if((DispTab[n4]&0x10) == 0x10){ com = com + 0x80;}
Ht1621WrOneData(2 , com);
com = 0;
if((DispTab[n1]&0x40) == 0x40){ com = com + 0x10;}
if((DispTab[n2]&0x40) == 0x40){ com = com + 0x20;}
if((DispTab[n3]&0x40) == 0x40){ com = com + 0x40;}
if((DispTab[n4]&0x40) == 0x40){ com = com + 0x80;}
Ht1621WrOneData(3 , com);
com = 0;
if((DispTab[n1]&0x20) == 0x20){ com = com + 0x10;}
if((DispTab[n2]&0x20) == 0x20){ com = com + 0x20;}
if((DispTab[n3]&0x20) == 0x20){ com = com + 0x40;}
if((DispTab[n4]&0x20) == 0x20){ com = com + 0x80;}
Ht1621WrOneData(4 , com);
com = 0;
if((DispTab[n1]&0x08) == 0x08){ com = com + 0x10;}
if((DispTab[n2]&0x08) == 0x08){ com = com + 0x20;}
if((DispTab[n3]&0x08) == 0x08){ com = com + 0x40;}
if((DispTab[n4]&0x08) == 0x08){ com = com + 0x80;}
Ht1621WrOneData(5 , com);
com = 0;
if((DispTab[n1]&0x04) == 0x04){ com = com + 0x10;}
if((DispTab[n2]&0x04) == 0x04){ com = com + 0x20;}
if((DispTab[n3]&0x04) == 0x04){ com = com + 0x40;}
if((DispTab[n4]&0x04) == 0x04){ com = com + 0x80;}
Ht1621WrOneData(6 , com);
}
//-----------------------------------------------------------------------------------------
//Display_lcd_dot
//-----------------------------------------------------------------------------------------
void Display_lcd_dot(void)
{
Ht1621WrOneData(7 , 0x50);
}
//-----------------------------------------------------------------------------------------
//convertor()
//-----------------------------------------------------------------------------------------
void data_convertor(unsigned long adc_value)
{
tmp=adc_value; //adc
n4=tmp/1000;
n3=tmp%1000/100;
n2=tmp%100/10;
// 4
n1=tmp%10; //display "C"
}
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* [url=home.php?mod=space&uid=247401]@brief[/url] The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* STM32U5xx HAL library initialization:
- Configure the Flash prefetch
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 3
- Low Level Initialization
*/
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* Configure the System Power */
SystemPower_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_ICACHE_Init();
/* USER CODE BEGIN 2 */
/* -1- Enable GPIO Clock (to be able to program the configuration registers) */
LED1_GPIO_CLK_ENABLE();
LED2_GPIO_CLK_ENABLE();
DA_GPIO_CLK_ENABLE();
WR_GPIO_CLK_ENABLE();
CS_GPIO_CLK_ENABLE();
/* -2- Configure IO in output push-pull mode to drive external LEDs */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Pin = LED1_PIN;
HAL_GPIO_Init(LED1_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LED2_PIN;
HAL_GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStruct);
/* USER CODE END 2 */
GPIO_InitStruct.Pin = CS_PIN;
HAL_GPIO_Init(CS_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = WR_PIN;
HAL_GPIO_Init(WR_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = DA_PIN;
HAL_GPIO_Init(DA_GPIO_PORT, &GPIO_InitStruct);
/* Infinite loop */
counter = 235;
Ht1621_Init(); //?????LCD
HAL_Delay(1000); //??????
Ht1621WrAllData(0,Ht1621Tab,16);// Clear LCD display
Ht1621_Init();
data_convertor(counter);
Display();
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
// counter = 235;
// Ht1621_Init(); //?????LCD
// Delay(1000); //??????
// Ht1621WrAllData(0,Ht1621Tab,16);// Clear LCD display
// Ht1621_Init();
// data_convertor(counter);
// Display();
/* USER CODE BEGIN 3 */
// HAL_GPIO_TogglePin(DA_GPIO_PORT,GPIO_PIN_10);
// Delay(1000);
/* Insert delay 100 ms */
// HAL_GPIO_TogglePin(WR_GPIO_PORT,WR_PIN);
// HAL_Delay(1000);
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_4;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1;
RCC_OscInitStruct.PLL.PLLM = 1;
RCC_OscInitStruct.PLL.PLLN = 80;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLLVCIRANGE_0;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
|RCC_CLOCKTYPE_PCLK3;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief Power Configuration
* @retval None
*/
static void SystemPower_Config(void)
{
/*
* Disable the internal Pull-Up in Dead Battery pins of UCPD peripheral
*/
HAL_PWREx_DisableUCPDDeadBattery();
/*
* Switch to SMPS regulator instead of LDO
*/
if (HAL_PWREx_ConfigSupply(PWR_SMPS_SUPPLY) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief ICACHE Initialization Function
* @param None
* @retval None
*/
static void MX_ICACHE_Init(void)
{
/* USER CODE BEGIN ICACHE_Init 0 */
/* USER CODE END ICACHE_Init 0 */
/* USER CODE BEGIN ICACHE_Init 1 */
/* USER CODE END ICACHE_Init 1 */
/** Enable instruction cache in 1-way (direct mapped cache)
*/
if (HAL_ICACHE_ConfigAssociativityMode(ICACHE_1WAY) != HAL_OK)
{
Error_Handler();
}
if (HAL_ICACHE_Enable() != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN ICACHE_Init 2 */
/* USER CODE END ICACHE_Init 2 */
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
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