/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
uint8_t i = 0;
/* Select fCPU = 16MHz */
CLK_SYSCLKConfig(CLK_PRESCALER_HSIDIV1);
/* Init the Eval board LCD */
STM8S_EVAL_LCD_Init();
/* Clear LCD */
LCD_Clear();
LCD_SetCursorPos(LCD_LINE1, 0);
LCD_Print("SPI-LCD example");
/* Display "moving" ST logo */
for (i = 1; i < 8; i++)
{
PrintLogo();
Delay(0xFFFF);
}
LCD_SetCursorPos(LCD_LINE2, 0);
LCD_Print(" ");
LCD_DisplayLogo(0x93);
Delay(600);
while(1)
{}
}
/**
* @brief Print ST logo on the LCD
* @param None
* @retval None
*/
void PrintLogo(void)
{
static uint8_t logo_pos = 0x90;
static int8_t logo_pos_index = 1;
LCD_SetCursorPos(LCD_LINE2, 0);
LCD_Print(" ");
LCD_DisplayLogo(logo_pos);
logo_pos += logo_pos_index;
if (logo_pos > 0x95)
{
logo_pos -= 2;
logo_pos_index = -1;
}
if (logo_pos < 0x90)
{
logo_pos += 2;
logo_pos_index = 1;
}
}
/**
* @brief Validation firmware main entry point.
* @par Parameters:
* None
* @retval
* None
*/
void main(void)
{
int ButtonIndex =0;
u8 i =0;
u8 LedState =1;
u8 pos =0;
u8 s[16];
/* Initialize I/Os in Output Mode for LEDs */
GPIO_Init(LEDS_PORT, LED1_PIN | LED2_PIN | LED3_PIN | LED4_PIN,GPIO_MODE_OUT_PP_LOW_FAST);
/* Initialization of I/O in Input Mode with Interrupt for Key button */
GPIO_Init(BUTTON_PORT, BUTTON_PIN, GPIO_MODE_IN_FL_IT);
/* Initialization of the Interrupt sensitivity */
EXTI_SetExtIntSensitivity(EXTI_PORT_GPIOC, EXTI_SENSITIVITY_FALL_ONLY);
/* Enable general interrupts for Key button reading */
enableInterrupts();
/* Initialize SPI */
SPI_DeInit();
SPI_Init(SPI_FIRSTBIT_MSB, SPI_BAUDRATEPRESCALER_128, SPI_MODE_MASTER,
SPI_CLOCKPOLARITY_HIGH, SPI_CLOCKPHASE_2EDGE, SPI_DATADIRECTION_1LINE_TX,
SPI_NSS_SOFT, 0x07);
SPI_Cmd(ENABLE);
/* Initialize LCD */
LCD_Init();
/* Clear LCD lines */
LCD_Clear();
/* Display "moving" ST logo on first line */
for (pos = 0x80; pos < 0x88; pos++)
{
LCD_Clear();
LCD_DisplayLogo(pos);
Delay(20000);
}
/* Display "moving" ST logo on second line */
for (pos = 0x90; pos < 0x98; pos++)
{
LCD_Clear();
LCD_DisplayLogo(pos);
Delay(20000);
}
LCD_Clear();
/* More than 15 characters: the message is displayed on 2 lines */
/* LCD_PrintMsg("STM8S - SPI/LCD example"); */
/* Max 15 characters per line */
LCD_PrintString(LCD_LINE1, ENABLE, DISABLE, " *** STM8S *** ");
LCD_PrintString(LCD_LINE2, ENABLE, DISABLE, "SPI-LCD example");
for (i = 0; i < 10; i++)
{
Delay(0xFFFF);
}
LCD_Clear();
LCD_PrintString(LCD_LINE1, ENABLE, DISABLE, "Press KEY...");
while (1)
{
/* Check button status */
if (GetVar_ButtonPressed() == TRUE) /* Button is pressed */
{
ButtonPressed = FALSE;
LCD_ClearLine(LCD_LINE2);
LCD_PrintString(LCD_LINE2, DISABLE, DISABLE, "LED #");
/*Use the sprintf() and LCD_Print() function to print a digit on the LCD */
if (LedState == 0)
{
sprintf(s,"%d ", ButtonIndex + 1);
LCD_Print(s);
LCD_SetCursorPos(LCD_LINE2, 4); /* 8th position */
LCD_PrintChar('O');
LCD_PrintChar('F');
LCD_PrintChar('F');
}
/*Use the LCD_PrintDec1() function to print a digit on the LCD */
else
{
LCD_PrintDec1((u8)(ButtonIndex + 1)); /* Display at current cursor position */
LCD_SetCursorPos(LCD_LINE2, 4); /* 8th position */
LCD_PrintChar('O');
LCD_PrintChar('N');
LCD_PrintChar(' ');
}
switch (ButtonIndex)
{
case 0:
GPIO_WriteReverse(LEDS_PORT, LED1_PIN);
ButtonIndex++;
break;
case 1:
GPIO_WriteReverse(LEDS_PORT, LED2_PIN);
ButtonIndex++;
break;
case 2:
GPIO_WriteReverse(LEDS_PORT, LED3_PIN);
ButtonIndex++;
break;
default:
case 3:
GPIO_WriteReverse(LEDS_PORT, LED4_PIN);
ButtonIndex = 0;
LedState ^= 0x01;
break;
}
}
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* Initialize KEY button */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_EXTI);
/* Enable general interrupts for Key button reading */
enableInterrupts();
/* Initialize LCD */
STM8L_EVAL_LCD_Init();
/* Clear LCD lines */
LCD_Clear();
/* Display "moving" ST logo on first line */
for (pos = 0x80; pos < 0x88; pos++)
{
LCD_Clear();
LCD_DisplayLogo(pos);
Delay(5000);
}
/* Display "moving" ST logo on second line */
for (pos = 0x90; pos < 0x98; pos++)
{
LCD_Clear();
LCD_DisplayLogo(pos);
Delay(5000);
}
/* Clear LCD lines */
LCD_Clear();
/* Max 15 characters per line */
LCD_SetCursorPos(LCD_LINE1, 0);
LCD_Print(" *** STM8L *** ");
LCD_SetCursorPos(LCD_LINE2, 0);
LCD_Print("SPI-LCD example");
for (i = 0; i < 10; i++)
{
Delay(0xFFFF);
}
/* Clear LCD lines */
LCD_Clear();
LCD_Print("Press KEY...");
while (1)
{
/* Check button status */
if (GetVar_ButtonPressed() == TRUE) /* Button is pressed */
{
ButtonPressed = FALSE;
LCD_SetCursorPos(LCD_LINE2, 0);
LCD_Clear();
LCD_Print("LED #");
sprintf((char*)StrName, "%d", (int)(ButtonIndex + 2));
LCD_Print(StrName);
LCD_SetCursorPos(LCD_LINE2, 2); /* 8th position */
if (LedState == 0)
{
LCD_Print("OFF");
}
else
{
LCD_Print("ON");
}
switch (ButtonIndex)
{
case 0:
STM_EVAL_LEDToggle(LED2);
ButtonIndex++;
break;
case 1:
STM_EVAL_LEDToggle(LED3);
ButtonIndex++;
break;
case 2:
STM_EVAL_LEDToggle(LED4);
ButtonIndex = 0;
LedState ^= 0x01;
break;
}
}
}
}
