void test_i2c_at24c256_flash(void)
{
U8 i=0;
U8 status=1;
U8 buf[128];
for(i=0;i<sizeof(buf);i++)
buf[i] = i;
m24xx_write(EEPROM_24XX256, 0 , 0 , (char *)buf , sizeof(buf));
for(i=0;i<sizeof(buf);i++)
buf[i] = 0;
m24xx_read(EEPROM_24XX256, 0 , 0 , (char *)buf , sizeof(buf));
for(i=0;i<sizeof(buf);i++)
{
if(buf[i] != i)
{
status = 0;
break;
}
}
if(status == 1)
{
lcd_putstring(LINE2,"I2C FLASH PASS");
}
else
{
lcd_putstring(LINE2,"I2C FLASH FAIL");
}
}
void vTaskLcdDisplay(void *pvParameters)
{
int i=0;
int disp2Counter = 0;
UARTInit(115200);
while(1)
{
itoa(i, displayLine1, 10);
int i = 0;
for (i = 0; i < UARTCount; i++)
{
displayLine2[disp2Counter++%16] = UARTBuffer[i];
}
UARTCount = 0;
lcd_putstring(0, displayLine1);
lcd_putstring(1, displayLine2);
//UARTSend(displayLine1, 16);
i++;
vTaskDelay(configTICK_RATE_HZ * 1);
}
}
void setSpeed (uint8_t level,uint8_t *working,uint8_t *stopping){
cli();
switch (level) {
case HIGH:
*working=5;
*stopping=0;
lcd_pos(4,9);
lcd_putstring("H");
break;
case MED:
*working=3;
*stopping=2;
lcd_pos(4,9);
lcd_putstring("M");
break;
case LOW:
*working=2;
*stopping=3;
lcd_pos(4,9);
lcd_putstring("L");
break;
case OFF:
*working=0;
*stopping=5;
lcd_pos(4,9);
lcd_putstring("O");
break;
}
sei();
}
/*
* @brief Rational addition of a safe 2 line write to the LCD
* @params *string1: Pointer to the string to be written to line 1
* *string2: Pointer to the string to be written to line 2
* @retval None
*/
static void lcd_put2String(uint8_t *string1, uint8_t *string2) {
lcd_command(CURSOR_HOME);
lcd_command(CLEAR);
lcd_putstring(string1);
lcd_command(LINE_TWO);
lcd_putstring(string2);
}
/**
*******************************************************************
Funtion Name : test_sd_card()
Description :
Input :
Output : None
Note :
*****************************************************************
*/
void test_sd_card(void)
{
if(!fs_init())
{
set_file_system_status(TRUE);
lcd_clear();
lcd_putstring(LINE1,"SD card - PASS");
}
else
{
lcd_clear();
lcd_putstring(LINE1,"SD card - FAIL");
}
}
void init_lcd( void )
{
set_lcd_port_output();
delay(100*100);
lcd_command_write(0x28); /* (Function Set) 4-bit interface, two line, 5X8 dots. */
lcd_clear() ; /* LCD clear */
lcd_command_write(0x02); /* cursor home */
lcd_command_write(0x06); /* (Entry Mode) Increment, Display Shift off */
lcd_command_write(0x0C) ; /* display on, Cursor & Blink off */
lcd_gotoxy(0, 0);
lcd_clear();
lcd_putstring(0," JRM Technologies");
lcd_putstring(1," SAIRAM JAIRAM ");
}
/**
********************************************************************************************
Function Name : init_lcd()
Description :
Input :
Output : Void
Note :
********************************************************************************************
*/
void init_lcd( void )
{
set_lcd_port_output();
delay(100*100);
delay(100*100);
lcd_command_write(0x28); /* 4-bit interface, two line, 5X7 dots. */
lcd_clear() ; /* LCD clear */
lcd_command_write(0x02); /* cursor home */
lcd_command_write(0x06); /* cursor move direction */
lcd_command_write(0x0C) ; /* display on */
lcd_gotoxy(0, 0);
lcd_clear();
lcd_putstring(0," N G X ");
lcd_putstring(1," TECHNOLOGIES ");
}
//====================================================================
// MAIN FUNCTION
//====================================================================
void main (void){
init_LCD();
init_GPIO();
//Get operating CLK freq
RCC_ClocksTypeDef CLK;
RCC_GetClocksFreq(&CLK);
sysclock= (CLK.SYSCLK_Frequency)/((float)(pow(10,6)));
//Sys clocks in MHz
sprintf(lcdstring,"CLK %d MHz",sysclock);
lcd_putstring(lcdstring);
lcd_command(LINE_TWO);
lcd_putstring("Servo Step Test, SW0");
//Init procedure waits for SW0
while(GPIO_ReadInputData(GPIOA)&GPIO_IDR_0){}
lcd_command(CLEAR);
init_ADC();
init_EXTI();
init_USART1();
init_TIM2();
init_TIM3();
init_TIM14();
init_TIM17();
for(;;){
while(TIM3OC2<=3800){
TIM3OC2++;
TIM_SetCompare2(TIM3,TIM3OC2);
for(int x=0;x<=255;x++){
for(int y=0;y<=255;y++){}
}
}
lcd_command(CURSOR_HOME);
sprintf(lcdstring,"ADC:%d ",(int) ADCval);
lcd_putstring(lcdstring);
lcd_command(LINE_TWO);
sprintf(lcdstring,"TIM:%d ",(int) TIM2->CCR3);//TIMcmp);
//TIM_SetCompare2(TIM3,(int)(64000*((0.9+1.1*ADCval/2047.0)/20.0)));
lcd_putstring(lcdstring);
}
} // End of main
/* *
********************************************************************************************
Function Name : lcd_line_clear()
Description :
Input :
Output : Void
Note :
********************************************************************************************
*/
void lcd_line_clear(unsigned char line)
{
char temp_buf[MAX_CHAR_IN_ONE_LINE];
int i=0;
if(line > 1)
return;
for(i=0; i<MAX_CHAR_IN_ONE_LINE; i++)
temp_buf[i] = ' ';
lcd_putstring( line, temp_buf );
}
/*
* @brief Display the specified data on the screen
* @params displayType: What to display on the screen
* ...: Data to display for the given type
* @retval None
*/
void display(displayType_t displayType, float data) {
// Switch on what needs to be displayed
switch (displayType) {
case DISP_BAT: {
// Display the battery voltage on the LCD
lcd_command(CLEAR);
lcd_command(CURSOR_HOME);
lcd_putstring("Battery:");
lcd_command(LINE_TWO);
// Generate the string with the batter voltage
uint8_t *string = ConverttoBCD(data, 2, 3);
lcd_putstring(string);
lcd_putstring(" V");
// De-allocate the memory used for the battery string
free(string);
break;
}
case DISP_RAINFALL: {
// Display the rainfall amount on the LCD
lcd_command(CLEAR);
lcd_command(CURSOR_HOME);
lcd_putstring("Rainfall:");
lcd_command(LINE_TWO);
// Fetch and convert the rainfall to a string
float rain = 0.2*data;
uint8_t *string = ConverttoBCD(rain, 4, 1);
lcd_putstring(string);
lcd_putstring(" mm");
// De-allocate the memory used for the rainfall string
free(string);
break;
}
case DISP_RAIN_BUCKET:
// Display the bucket tip notification LCD
lcd_put2String("Rain bucket tip", "");
break;
case DISP_MENU:
// Display the menu on the LCD
lcd_put2String("Weather Station", "Press SW2 or SW3");
break;
case DISP_WELCOME:
// Display the welcome on the LCD
lcd_put2String("EEE3017W Prac 6", "Sean & Sean");
break;
default:
break;
}
}
