EXPERIMENT: simple lcd test
This commit is contained in:
parent
a0110696ae
commit
0c0f7a5be0
@ -1,446 +1,463 @@
|
||||
/* USER CODE BEGIN Header */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file : main.c
|
||||
* @brief : Main program body
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2022 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* USER CODE END Header */
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
#include "usb_device.h"
|
||||
|
||||
#define SLAVE_ADDRESS_LCD 0x4e
|
||||
|
||||
/* Private includes ----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Includes */
|
||||
|
||||
/* USER CODE END Includes */
|
||||
|
||||
/* 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 ---------------------------------------------------------*/
|
||||
ADC_HandleTypeDef hadc1;
|
||||
|
||||
I2C_HandleTypeDef hi2c1;
|
||||
|
||||
RTC_HandleTypeDef hrtc;
|
||||
|
||||
/* USER CODE BEGIN PV */
|
||||
|
||||
/* USER CODE END PV */
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
void SystemClock_Config(void);
|
||||
static void MX_GPIO_Init(void);
|
||||
static void MX_RTC_Init(void);
|
||||
static void MX_ADC1_Init(void);
|
||||
static void MX_I2C1_Init(void);
|
||||
/* USER CODE BEGIN PFP */
|
||||
|
||||
/* USER CODE END PFP */
|
||||
|
||||
/* Private user code ---------------------------------------------------------*/
|
||||
/* USER CODE BEGIN 0 */
|
||||
|
||||
void lcd_send_cmd (char cmd)
|
||||
{
|
||||
char data_u, data_l;
|
||||
uint8_t data_t[4];
|
||||
data_u = (cmd & 0xf0);
|
||||
data_l = ((cmd << 4) & 0xf0);
|
||||
data_t[0] = data_u|0x0C; //en=1, rs=0
|
||||
data_t[1] = data_u|0x08; //en=0, rs=0
|
||||
data_t[2] = data_l|0x0C; //en=1, rs=0
|
||||
data_t[3] = data_l|0x08; //en=0, rs=0
|
||||
HAL_I2C_Master_Transmit (&hi2c1, SLAVE_ADDRESS_LCD, (uint8_t *) data_t, 4, 100);
|
||||
}
|
||||
|
||||
void lcd_send_data (char data)
|
||||
{
|
||||
char data_u, data_l;
|
||||
uint8_t data_t[4];
|
||||
data_u = (data&0xf0);
|
||||
data_l = ((data<<4)&0xf0);
|
||||
data_t[0] = data_u|0x0D; //en=1, rs=1
|
||||
data_t[1] = data_u|0x09; //en=0, rs=1
|
||||
data_t[2] = data_l|0x0D; //en=1, rs=1
|
||||
data_t[3] = data_l|0x09; //en=0, rs=1
|
||||
HAL_I2C_Master_Transmit (&hi2c1, SLAVE_ADDRESS_LCD,(uint8_t *) data_t, 4, 100);
|
||||
}
|
||||
|
||||
void lcd_init (void)
|
||||
{
|
||||
// 4 bit initialisation
|
||||
HAL_Delay(50); // wait for >40ms
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(5); // wait for >4.1ms
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(1); // wait for >100us
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(10);
|
||||
lcd_send_cmd (0x20); // 4bit mode
|
||||
HAL_Delay(10);
|
||||
|
||||
// dislay initialisation
|
||||
lcd_send_cmd (0x28); // Function set --> DL=0 (4 bit mode), N = 1 (2 line display) F = 0 (5x8 characters)
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x08); //Display on/off control --> D=0,C=0, B=0 ---> display off
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x01); // clear display
|
||||
HAL_Delay(1);
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x06); //Entry mode set --> I/D = 1 (increment cursor) & S = 0 (no shift)
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x0C); //Display on/off control --> D = 1, C and B = 0. (Cursor and blink, last two bits)
|
||||
}
|
||||
|
||||
void lcd_send_string (char *str) {
|
||||
while (*str) lcd_send_data(*str++);
|
||||
}
|
||||
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/**
|
||||
* @brief The application entry point.
|
||||
* @retval int
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
/* USER CODE BEGIN 1 */
|
||||
uint16_t value;
|
||||
/* 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();
|
||||
|
||||
/* USER CODE BEGIN SysInit */
|
||||
|
||||
/* USER CODE END SysInit */
|
||||
|
||||
/* Initialize all configured peripherals */
|
||||
MX_GPIO_Init();
|
||||
MX_RTC_Init();
|
||||
MX_USB_DEVICE_Init();
|
||||
MX_ADC1_Init();
|
||||
MX_I2C1_Init();
|
||||
/* USER CODE BEGIN 2 */
|
||||
char buf [] = "SensorTest";
|
||||
//CDC_Transmit_FS(buf, sizeof(buf));
|
||||
|
||||
lcd_init();
|
||||
/* USER CODE END 2 */
|
||||
|
||||
/* Infinite loop */
|
||||
/* USER CODE BEGIN WHILE */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE END WHILE */
|
||||
|
||||
/* USER CODE BEGIN 3 */
|
||||
|
||||
HAL_ADC_Start(&hadc1);
|
||||
HAL_ADC_PollForConversion(&hadc1, 1);
|
||||
value = HAL_ADC_GetValue(&hadc1);
|
||||
|
||||
char buf [250] = "";
|
||||
sprintf(buf, "Value: %d \r\n", value);
|
||||
//CDC_Transmit_FS(buf, sizeof(buf));
|
||||
lcd_send_cmd (0x80|0x00);
|
||||
lcd_send_string(buf);
|
||||
HAL_Delay(1000);
|
||||
HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13);
|
||||
|
||||
|
||||
}
|
||||
/* 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
|
||||
*/
|
||||
__HAL_RCC_PWR_CLK_ENABLE();
|
||||
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
|
||||
|
||||
/** Initializes the RCC Oscillators according to the specified parameters
|
||||
* in the RCC_OscInitTypeDef structure.
|
||||
*/
|
||||
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
|
||||
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
||||
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
||||
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
||||
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
||||
RCC_OscInitStruct.PLL.PLLM = 25;
|
||||
RCC_OscInitStruct.PLL.PLLN = 192;
|
||||
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
||||
RCC_OscInitStruct.PLL.PLLQ = 4;
|
||||
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/** Initializes the CPU, AHB and APB buses clocks
|
||||
*/
|
||||
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
||||
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
|
||||
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
||||
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
||||
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
|
||||
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
||||
|
||||
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief ADC1 Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_ADC1_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN ADC1_Init 0 */
|
||||
|
||||
/* USER CODE END ADC1_Init 0 */
|
||||
|
||||
ADC_ChannelConfTypeDef sConfig = {0};
|
||||
|
||||
/* USER CODE BEGIN ADC1_Init 1 */
|
||||
|
||||
/* USER CODE END ADC1_Init 1 */
|
||||
|
||||
/** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
|
||||
*/
|
||||
hadc1.Instance = ADC1;
|
||||
hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV8;
|
||||
hadc1.Init.Resolution = ADC_RESOLUTION_12B;
|
||||
hadc1.Init.ScanConvMode = DISABLE;
|
||||
hadc1.Init.ContinuousConvMode = DISABLE;
|
||||
hadc1.Init.DiscontinuousConvMode = DISABLE;
|
||||
hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
|
||||
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
|
||||
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
|
||||
hadc1.Init.NbrOfConversion = 1;
|
||||
hadc1.Init.DMAContinuousRequests = DISABLE;
|
||||
hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
|
||||
if (HAL_ADC_Init(&hadc1) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
|
||||
*/
|
||||
sConfig.Channel = ADC_CHANNEL_0;
|
||||
sConfig.Rank = 1;
|
||||
sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
|
||||
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN ADC1_Init 2 */
|
||||
|
||||
/* USER CODE END ADC1_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief I2C1 Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_I2C1_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN I2C1_Init 0 */
|
||||
|
||||
/* USER CODE END I2C1_Init 0 */
|
||||
|
||||
/* USER CODE BEGIN I2C1_Init 1 */
|
||||
|
||||
/* USER CODE END I2C1_Init 1 */
|
||||
hi2c1.Instance = I2C1;
|
||||
hi2c1.Init.ClockSpeed = 100000;
|
||||
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
|
||||
hi2c1.Init.OwnAddress1 = 0;
|
||||
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
||||
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
||||
hi2c1.Init.OwnAddress2 = 0;
|
||||
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
||||
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
||||
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN I2C1_Init 2 */
|
||||
|
||||
/* USER CODE END I2C1_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief RTC Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_RTC_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN RTC_Init 0 */
|
||||
|
||||
/* USER CODE END RTC_Init 0 */
|
||||
|
||||
RTC_TimeTypeDef sTime = {0};
|
||||
RTC_DateTypeDef sDate = {0};
|
||||
|
||||
/* USER CODE BEGIN RTC_Init 1 */
|
||||
|
||||
/* USER CODE END RTC_Init 1 */
|
||||
|
||||
/** Initialize RTC Only
|
||||
*/
|
||||
hrtc.Instance = RTC;
|
||||
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
|
||||
hrtc.Init.AsynchPrediv = 127;
|
||||
hrtc.Init.SynchPrediv = 255;
|
||||
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
|
||||
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
|
||||
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
|
||||
if (HAL_RTC_Init(&hrtc) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN Check_RTC_BKUP */
|
||||
|
||||
/* USER CODE END Check_RTC_BKUP */
|
||||
|
||||
/** Initialize RTC and set the Time and Date
|
||||
*/
|
||||
sTime.Hours = 0;
|
||||
sTime.Minutes = 0;
|
||||
sTime.Seconds = 0;
|
||||
sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
|
||||
sTime.StoreOperation = RTC_STOREOPERATION_RESET;
|
||||
if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
sDate.WeekDay = RTC_WEEKDAY_MONDAY;
|
||||
sDate.Month = RTC_MONTH_JANUARY;
|
||||
sDate.Date = 1;
|
||||
sDate.Year = 0;
|
||||
|
||||
if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN RTC_Init 2 */
|
||||
|
||||
/* USER CODE END RTC_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief GPIO Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_GPIO_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
|
||||
/* GPIO Ports Clock Enable */
|
||||
__HAL_RCC_GPIOC_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOH_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOB_CLK_ENABLE();
|
||||
|
||||
/*Configure GPIO pin Output Level */
|
||||
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);
|
||||
|
||||
/*Configure GPIO pin : PC13 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_13;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
||||
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
|
||||
|
||||
}
|
||||
|
||||
/* 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 */
|
||||
__disable_irq();
|
||||
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) */
|
||||
/* USER CODE END 6 */
|
||||
}
|
||||
#endif /* USE_FULL_ASSERT */
|
||||
/* USER CODE BEGIN Header */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file : main.c
|
||||
* @brief : Main program body
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2022 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* USER CODE END Header */
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
#include "usb_device.h"
|
||||
#include "LCD_I2C_Driver.h"
|
||||
|
||||
#define SLAVE_ADDRESS_LCD 0x4e
|
||||
|
||||
/* Private includes ----------------------------------------------------------*/
|
||||
/* USER CODE BEGIN Includes */
|
||||
|
||||
/* USER CODE END Includes */
|
||||
|
||||
/* 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 ---------------------------------------------------------*/
|
||||
ADC_HandleTypeDef hadc1;
|
||||
|
||||
I2C_HandleTypeDef hi2c1;
|
||||
|
||||
RTC_HandleTypeDef hrtc;
|
||||
|
||||
/* USER CODE BEGIN PV */
|
||||
|
||||
/* USER CODE END PV */
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
void SystemClock_Config(void);
|
||||
static void MX_GPIO_Init(void);
|
||||
static void MX_RTC_Init(void);
|
||||
static void MX_ADC1_Init(void);
|
||||
static void MX_I2C1_Init(void);
|
||||
/* USER CODE BEGIN PFP */
|
||||
|
||||
/* USER CODE END PFP */
|
||||
|
||||
/* Private user code ---------------------------------------------------------*/
|
||||
/* USER CODE BEGIN 0 */
|
||||
|
||||
void lcd_send_cmd (char cmd)
|
||||
{
|
||||
char data_u, data_l;
|
||||
uint8_t data_t[4];
|
||||
data_u = (cmd & 0xf0);
|
||||
data_l = ((cmd << 4) & 0xf0);
|
||||
data_t[0] = data_u|0x0C; //en=1, rs=0
|
||||
data_t[1] = data_u|0x08; //en=0, rs=0
|
||||
data_t[2] = data_l|0x0C; //en=1, rs=0
|
||||
data_t[3] = data_l|0x08; //en=0, rs=0
|
||||
HAL_I2C_Master_Transmit (&hi2c1, SLAVE_ADDRESS_LCD, (uint8_t *) data_t, 4, 100);
|
||||
}
|
||||
|
||||
void lcd_send_data (char data)
|
||||
{
|
||||
char data_u, data_l;
|
||||
uint8_t data_t[4];
|
||||
data_u = (data&0xf0);
|
||||
data_l = ((data<<4)&0xf0);
|
||||
data_t[0] = data_u|0x0D; //en=1, rs=1
|
||||
data_t[1] = data_u|0x09; //en=0, rs=1
|
||||
data_t[2] = data_l|0x0D; //en=1, rs=1
|
||||
data_t[3] = data_l|0x09; //en=0, rs=1
|
||||
HAL_I2C_Master_Transmit (&hi2c1, SLAVE_ADDRESS_LCD,(uint8_t *) data_t, 4, 100);
|
||||
}
|
||||
|
||||
void lcd_init (void)
|
||||
{
|
||||
// Initialization by Instruction (from HD44780U Datasheet)
|
||||
HAL_Delay(50); // wait for >40ms
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(5); // wait for >4.1ms
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(1); // wait for >100us
|
||||
lcd_send_cmd (0x30);
|
||||
HAL_Delay(10); // Wait for command execution lengt
|
||||
|
||||
lcd_send_cmd (0x20); // Set Interface to 4-bit mode
|
||||
HAL_Delay(10);
|
||||
|
||||
lcd_send_cmd (0x28); // Function set --> DL=0 (4 bit mode), N = 1 (2 line display) F = 0 (5x8 characters)
|
||||
HAL_Delay(1);
|
||||
|
||||
lcd_send_cmd (0x08); //Display on/off control --> D=0,C=0, B=0 ---> display off
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x01); // clear display
|
||||
HAL_Delay(1);
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x06); //Entry mode set --> I/D = 1 (increment cursor) & S = 0 (no shift)
|
||||
HAL_Delay(1);
|
||||
lcd_send_cmd (0x0C); //Display on/off control --> D = 1, C and B = 0. (Cursor and blink, last two bits)
|
||||
}
|
||||
|
||||
void lcd_send_string (char *str) {
|
||||
while (*str) lcd_send_data(*str++);
|
||||
}
|
||||
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/**
|
||||
* @brief The application entry point.
|
||||
* @retval int
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
/* USER CODE BEGIN 1 */
|
||||
uint16_t value;
|
||||
/* 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();
|
||||
|
||||
/* USER CODE BEGIN SysInit */
|
||||
|
||||
/* USER CODE END SysInit */
|
||||
|
||||
/* Initialize all configured peripherals */
|
||||
MX_GPIO_Init();
|
||||
MX_RTC_Init();
|
||||
MX_USB_DEVICE_Init();
|
||||
MX_ADC1_Init();
|
||||
MX_I2C1_Init();
|
||||
/* USER CODE BEGIN 2 */
|
||||
char buf [] = "Hallo THM";
|
||||
//CDC_Transmit_FS(buf, sizeof(buf));
|
||||
|
||||
floatpump::LCD_I2C_Driver display(hi2c1, SLAVE_ADDRESS_LCD);
|
||||
display.LCDInitialize();
|
||||
display.LCDSetBacklight(true);
|
||||
display.LCDSendCString(buf);
|
||||
HAL_Delay(1000);
|
||||
display.LCDPower(false);
|
||||
HAL_Delay(1000);
|
||||
display.LCDPower(true);
|
||||
HAL_Delay(1000);
|
||||
display.LCDCursor(true);
|
||||
display.LCDCursorBlink(true);
|
||||
|
||||
HAL_Delay(1000);
|
||||
display.LCDSetCursor(18, 3);
|
||||
display.LCDSendCString("XX");
|
||||
|
||||
/* USER CODE END 2 */
|
||||
|
||||
/* Infinite loop */
|
||||
/* USER CODE BEGIN WHILE */
|
||||
while (1)
|
||||
{
|
||||
/* USER CODE END WHILE */
|
||||
|
||||
/* USER CODE BEGIN 3 */
|
||||
|
||||
|
||||
HAL_ADC_Start(&hadc1);
|
||||
HAL_ADC_PollForConversion(&hadc1, 1);
|
||||
value = HAL_ADC_GetValue(&hadc1);
|
||||
|
||||
char buf [250] = "";
|
||||
sprintf(buf, "Value: %d \r\n", value);
|
||||
//CDC_Transmit_FS(buf, sizeof(buf));
|
||||
//display.LCDSendCString(buf);
|
||||
HAL_Delay(1000);
|
||||
HAL_GPIO_TogglePin(GPIOC, GPIO_PIN_13);
|
||||
|
||||
|
||||
}
|
||||
/* 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
|
||||
*/
|
||||
__HAL_RCC_PWR_CLK_ENABLE();
|
||||
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
|
||||
|
||||
/** Initializes the RCC Oscillators according to the specified parameters
|
||||
* in the RCC_OscInitTypeDef structure.
|
||||
*/
|
||||
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
|
||||
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
||||
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
||||
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
||||
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
||||
RCC_OscInitStruct.PLL.PLLM = 25;
|
||||
RCC_OscInitStruct.PLL.PLLN = 192;
|
||||
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
||||
RCC_OscInitStruct.PLL.PLLQ = 4;
|
||||
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/** Initializes the CPU, AHB and APB buses clocks
|
||||
*/
|
||||
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
||||
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
|
||||
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
||||
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
||||
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
|
||||
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
||||
|
||||
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief ADC1 Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_ADC1_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN ADC1_Init 0 */
|
||||
|
||||
/* USER CODE END ADC1_Init 0 */
|
||||
|
||||
ADC_ChannelConfTypeDef sConfig = {0};
|
||||
|
||||
/* USER CODE BEGIN ADC1_Init 1 */
|
||||
|
||||
/* USER CODE END ADC1_Init 1 */
|
||||
|
||||
/** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
|
||||
*/
|
||||
hadc1.Instance = ADC1;
|
||||
hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV8;
|
||||
hadc1.Init.Resolution = ADC_RESOLUTION_12B;
|
||||
hadc1.Init.ScanConvMode = DISABLE;
|
||||
hadc1.Init.ContinuousConvMode = DISABLE;
|
||||
hadc1.Init.DiscontinuousConvMode = DISABLE;
|
||||
hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
|
||||
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
|
||||
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
|
||||
hadc1.Init.NbrOfConversion = 1;
|
||||
hadc1.Init.DMAContinuousRequests = DISABLE;
|
||||
hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
|
||||
if (HAL_ADC_Init(&hadc1) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
|
||||
*/
|
||||
sConfig.Channel = ADC_CHANNEL_0;
|
||||
sConfig.Rank = 1;
|
||||
sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
|
||||
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN ADC1_Init 2 */
|
||||
|
||||
/* USER CODE END ADC1_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief I2C1 Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_I2C1_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN I2C1_Init 0 */
|
||||
|
||||
/* USER CODE END I2C1_Init 0 */
|
||||
|
||||
/* USER CODE BEGIN I2C1_Init 1 */
|
||||
|
||||
/* USER CODE END I2C1_Init 1 */
|
||||
hi2c1.Instance = I2C1;
|
||||
hi2c1.Init.ClockSpeed = 100000;
|
||||
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
|
||||
hi2c1.Init.OwnAddress1 = 0;
|
||||
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
||||
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
||||
hi2c1.Init.OwnAddress2 = 0;
|
||||
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
||||
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
||||
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN I2C1_Init 2 */
|
||||
|
||||
/* USER CODE END I2C1_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief RTC Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_RTC_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN RTC_Init 0 */
|
||||
|
||||
/* USER CODE END RTC_Init 0 */
|
||||
|
||||
RTC_TimeTypeDef sTime = {0};
|
||||
RTC_DateTypeDef sDate = {0};
|
||||
|
||||
/* USER CODE BEGIN RTC_Init 1 */
|
||||
|
||||
/* USER CODE END RTC_Init 1 */
|
||||
|
||||
/** Initialize RTC Only
|
||||
*/
|
||||
hrtc.Instance = RTC;
|
||||
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
|
||||
hrtc.Init.AsynchPrediv = 127;
|
||||
hrtc.Init.SynchPrediv = 255;
|
||||
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
|
||||
hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
|
||||
hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
|
||||
if (HAL_RTC_Init(&hrtc) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN Check_RTC_BKUP */
|
||||
|
||||
/* USER CODE END Check_RTC_BKUP */
|
||||
|
||||
/** Initialize RTC and set the Time and Date
|
||||
*/
|
||||
sTime.Hours = 0;
|
||||
sTime.Minutes = 0;
|
||||
sTime.Seconds = 0;
|
||||
sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
|
||||
sTime.StoreOperation = RTC_STOREOPERATION_RESET;
|
||||
if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
sDate.WeekDay = RTC_WEEKDAY_MONDAY;
|
||||
sDate.Month = RTC_MONTH_JANUARY;
|
||||
sDate.Date = 1;
|
||||
sDate.Year = 0;
|
||||
|
||||
if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN RTC_Init 2 */
|
||||
|
||||
/* USER CODE END RTC_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief GPIO Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
static void MX_GPIO_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
|
||||
/* GPIO Ports Clock Enable */
|
||||
__HAL_RCC_GPIOC_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOH_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||||
__HAL_RCC_GPIOB_CLK_ENABLE();
|
||||
|
||||
/*Configure GPIO pin Output Level */
|
||||
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);
|
||||
|
||||
/*Configure GPIO pin : PC13 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_13;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
||||
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
|
||||
|
||||
}
|
||||
|
||||
/* 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 */
|
||||
__disable_irq();
|
||||
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) */
|
||||
/* USER CODE END 6 */
|
||||
}
|
||||
#endif /* USE_FULL_ASSERT */
|
||||
Loading…
Reference in New Issue
Block a user