/**
* @brief Initializes the LCD.
* @param None
* @retval None
*/
void GL_LCD_Init(void)
{
/* Setups the LCD */
#if defined(USE_STM3210C_EVAL)
STM3210C_LCD_Init();
#elif defined (USE_STM3210B_EVAL)
STM3210B_LCD_Init();
#elif defined (USE_STM32100B_EVAL)
STM32100B_LCD_Init();
#elif defined(USE_STM3210E_EVAL)
STM3210E_LCD_Init();
#elif defined(USE_STM32100E_EVAL)
STM32100E_LCD_Init();
#elif defined(USE_STM322xG_EVAL)
STM322xG_LCD_Init();
#elif defined(USE_STM32L152_EVAL)
STM32L152_LCD_Init();
#endif
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* Initialize LEDs, Key Button, LCD and COM port(USART) available on
STM3210X-EVAL board ******************************************************/
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* USARTx configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 115200;
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;
STM_EVAL_COMInit(COM1, &USART_InitStructure);
/* Initialize the LCD */
#ifdef USE_STM32100B_EVAL
STM32100B_LCD_Init();
#elif defined (USE_STM3210B_EVAL)
STM3210B_LCD_Init();
#elif defined (USE_STM3210E_EVAL)
STM3210E_LCD_Init();
#elif defined (USE_STM3210C_EVAL)
STM3210C_LCD_Init();
#elif defined (USE_STM32100E_EVAL)
STM32100E_LCD_Init();
#endif
/* Display message on STM3210X-EVAL LCD *************************************/
/* Clear the LCD */
LCD_Clear(LCD_COLOR_WHITE);
/* Set the LCD Back Color */
LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the LCD Text Color */
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_DisplayStringLine(LCD_LINE_0, (uint8_t *)MESSAGE1);
LCD_DisplayStringLine(LCD_LINE_1, (uint8_t *)MESSAGE2);
LCD_DisplayStringLine(LCD_LINE_2, (uint8_t *)MESSAGE3);
/* Retarget the C library printf function to the USARTx, can be USART1 or USART2
depending on the EVAL board you are using ********************************/
printf("\n\r %s", MESSAGE1);
printf(" %s", MESSAGE2);
printf(" %s\n\r", MESSAGE3);
/* Turn on leds available on STM3210X-EVAL **********************************/
STM_EVAL_LEDOn(LED1);
STM_EVAL_LEDOn(LED2);
STM_EVAL_LEDOn(LED3);
STM_EVAL_LEDOn(LED4);
/* Add your application code here
*/
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* NVIC Configuration */
NVIC_Configuration();
/* Initialize the LCD */
#ifdef USE_STM32100E_EVAL
STM32100E_LCD_Init();
#elif defined USE_STM3210E_EVAL
STM3210E_LCD_Init();
#elif defined USE_STM32100B_EVAL
STM32100B_LCD_Init();
#elif defined USE_STM3210B_EVAL
STM3210B_LCD_Init();
#endif
#ifdef USE_STM3210E_EVAL
/* Disable FSMC only for STM32 High-density and XL-density devices */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, DISABLE);
#endif /* USE_STM3210E_EVAL */
/* Initialize the Temperature Sensor */
LM75_Init();
if (LM75_GetStatus() == SUCCESS)
{
#ifdef USE_STM3210E_EVAL
/* Enable FSMC */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
#endif /* USE_STM3210E_EVAL */
/* Clear the LCD */
LCD_Clear(LCD_COLOR_WHITE);
/* Set the Back Color */
LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_GREEN);
LCD_DisplayStringLine(LCD_LINE_0, " Temperature ");
#ifdef USE_STM3210E_EVAL
/* Disable FSMC */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, DISABLE);
/* Initialize the Temperature Sensor */
LM75_Init();
#endif /* USE_STM3210E_EVAL */
/* Configure the Temperature sensor device STLM75:
- Thermostat mode Interrupt
- Fault tolerance: 00
*/
LM75_WriteConfReg(0x02);
/* Configure the THYS and TOS inorder to use the SMbus alert interrupt */
LM75_WriteReg(LM75_REG_THYS, TEMPERATURE_THYS << 8); /*31ÝC*/
LM75_WriteReg(LM75_REG_TOS, TEMPERATURE_TOS << 8); /*32ÝC*/
I2C_ClearITPendingBit(LM75_I2C, I2C_IT_SMBALERT);
SMbusAlertOccurred = 0;
/* Infinite Loop */
while (1)
{
#ifdef USE_STM3210E_EVAL
/* Disable FSMC */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, DISABLE);
/* Initialize the Temperature Sensor */
LM75_Init();
#endif /* USE_STM3210E_EVAL */
/* Get double of Temperature value */
TempValue = LM75_ReadTemp();
#ifdef USE_STM3210E_EVAL
/* Enable FSMC */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
#endif /* USE_STM3210E_EVAL */
if (TempValue <= 256)
{
/* Positive temperature measured */
TempCelsiusDisplay[7] = '+';
/* Initialize the temperature sensor value*/
TempValueCelsius = TempValue;
}
else
{
/* Negative temperature measured */
TempCelsiusDisplay[7] = '-';
/* Remove temperature value sign */
TempValueCelsius = 0x200 - TempValue;
}
/* Calculate temperature digits in ÝC */
if ((TempValueCelsius & 0x01) == 0x01)
{
TempCelsiusDisplay[12] = 0x05 + 0x30;
TempFahrenheitDisplay[12] = 0x05 + 0x30;
}
else
{
TempCelsiusDisplay[12] = 0x00 + 0x30;
TempFahrenheitDisplay[12] = 0x00 + 0x30;
}
TempValueCelsius >>= 1;
TempCelsiusDisplay[8] = (TempValueCelsius / 100) + 0x30;
TempCelsiusDisplay[9] = ((TempValueCelsius % 100) / 10) + 0x30;
TempCelsiusDisplay[10] = ((TempValueCelsius % 100) % 10) + 0x30;
if (TempValue > 256)
{
if (((9 * TempValueCelsius) / 5) <= 32)
{
/* Convert temperature ÝC to Fahrenheit */
TempValueFahrenheit = abs (32 - ((9 * TempValueCelsius) / 5));
/* Calculate temperature digits in ÝF */
TempFahrenheitDisplay[8] = (TempValueFahrenheit / 100) + 0x30;
TempFahrenheitDisplay[9] = ((TempValueFahrenheit % 100) / 10) + 0x30;
TempFahrenheitDisplay[10] = ((TempValueFahrenheit % 100) % 10) + 0x30;
/* Positive temperature measured */
TempFahrenheitDisplay[7] = '+';
}
else
{
/* Convert temperature ÝC to Fahrenheit */
TempValueFahrenheit = abs(((9 * TempValueCelsius) / 5) - 32);
/* Calculate temperature digits in ÝF */
TempFahrenheitDisplay[8] = (TempValueFahrenheit / 100) + 0x30;
TempFahrenheitDisplay[9] = ((TempValueFahrenheit % 100) / 10) + 0x30;
TempFahrenheitDisplay[10] = ((TempValueFahrenheit % 100) % 10) + 0x30;
/* Negative temperature measured */
TempFahrenheitDisplay[7] = '-';
}
}
else
{
/* Convert temperature ÝC to Fahrenheit */
TempValueFahrenheit = ((9 * TempValueCelsius) / 5) + 32;
/* Calculate temperature digits in ÝF */
TempFahrenheitDisplay[8] = (TempValueFahrenheit / 100) + 0x30;
TempFahrenheitDisplay[9] = ((TempValueFahrenheit % 100) / 10) + 0x30;
TempFahrenheitDisplay[10] = ((TempValueFahrenheit % 100) % 10) + 0x30;
/* Positive temperature measured */
TempFahrenheitDisplay[7] = '+';
}
/* Display Fahrenheit value on LCD */
for (index = 0; index < 20; index++)
{
LCD_DisplayChar(LCD_LINE_6, (319 - (16 * index)), TempCelsiusDisplay[index]);
LCD_DisplayChar(LCD_LINE_7, (319 - (16 * index)), TempFahrenheitDisplay[index]);
}
if (SMbusAlertOccurred == 1)
{
/* Set the Back Color */
LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_2, "Warning: Temp exceed");
LCD_DisplayStringLine(LCD_LINE_3, " 32 C ");
}
if (SMbusAlertOccurred == 2)
{
/* Set the Back Color */
LCD_SetBackColor(LCD_COLOR_WHITE);
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_ClearLine(LCD_LINE_2);
LCD_ClearLine(LCD_LINE_3);
SMbusAlertOccurred = 0;
/* Set the Back Color */
LCD_SetBackColor(LCD_COLOR_BLUE);
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_GREEN);
}
}
}