int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
delay_us_init();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
delay_us(500000);
HAL_GPIO_TogglePin(LD3_GPIO_Port, LD3_Pin);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
int main(void)
{
/* USER CODE BEGIN 1 */
my_usb_init();
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_TIM1_Init();
MX_USB_DEVICE_Init();
MX_USART3_UART_Init();
MX_TIM2_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_Base_Start(&htim2);
delay_us_init(&htim2);
softserial_init(SOFTSERIAL_TX_GPIO_Port, SOFTSERIAL_TX_Pin);
hmi_lcd_init(&huart3);
cpu_ctrl_init(&htim1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
HAL_Delay(100);
hsc_stop();
cpu_reset();
lcd_clear();
addr_input();
data_input();
build_ui();
HAL_Delay(100);
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(is_running == 0)
addr_data_display_update();
// z80 reset button
if(is_button_1_pressed)
{
hsc_stop();
cpu_reset();
lcd_print_width(130, 110, 180, 45, "CYAN", "RESET");
is_button_1_pressed = 0;
HAL_Delay(500);
build_ui();
}
// clk step button
if(is_button_3_pressed)
{
hsc_stop();
cycle_clock(1);
lcd_print_width(130, 110, 180, 45, "RED", "CLK STEP");
is_button_3_pressed = 0;
HAL_Delay(100);
build_ui();
}
// ins step button
if(is_button_4_pressed)
{
hsc_stop();
lcd_print_width(130, 110, 180, 45, "GREEN", "INS STEP");
// cycle clock until we're at next M1 cycle
while(HAL_GPIO_ReadPin(CPU_CTRL_PORT, M1_Pin) == LOW)
cycle_clock(1);
while(HAL_GPIO_ReadPin(CPU_CTRL_PORT, M1_Pin) == HIGH)
cycle_clock(1);
is_button_4_pressed = 0;
HAL_Delay(100);
build_ui();
}
// run/stop button
if(is_button_5_pressed)
{
is_running = (is_running + 1) % 2;
if(is_running)
{
lcd_print_width(130, 110, 180, 45, "GREEN", "RUNNING");
hsc_start();
}
else
{
hsc_stop();
build_ui();
}
is_button_5_pressed = 0;
}
usb_data = my_usb_readline();
if(usb_data != NULL && strstr(usb_data, "epm") != NULL)
{
hsc_stop();
program_mode();
build_ui();
}
}
/* USER CODE END 3 */
}
int main(void)
{
uint32_t stop_time;
uint32_t start_time;
RCC_ClocksTypeDef RCC_Clocks;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
systick_millis_init();
UART_Init();
timer7_us_init();
delay_us_init();
//LEDS
gpio_pinSetup(GPIOC, GPIO_Pin_8, GPIO_Mode_OUT, GPIO_OType_PP, GPIO_PuPd_NOPULL, GPIO_Speed_40MHz);
GPIO_WriteBit(GPIOC, GPIO_Pin_8, Bit_SET);
//CLOCK OUTPUT PA8
gpio_pinSetup_AF(GPIOA, GPIO_Pin_8, GPIO_AF_MCO, GPIO_OType_PP, GPIO_PuPd_NOPULL, GPIO_Speed_40MHz);
RCC_MCOConfig(RCC_MCOSource_SYSCLK, RCC_MCODiv_1);
printLn();
printStringLn("------------------------------------------------");
printStringLn("System initialized.");
RCC_GetClocksFreq(&RCC_Clocks);
printString("SYSCLK_Frequency: ");
printNumberLn(RCC_Clocks.SYSCLK_Frequency, DEC);
printString("HCLK_Frequency: ");
printNumberLn(RCC_Clocks.HCLK_Frequency, DEC);
printString("PCLK1_Frequency: ");
printNumberLn(RCC_Clocks.PCLK1_Frequency, DEC);
printString("PCLK2_Frequency: ");
printNumberLn(RCC_Clocks.PCLK2_Frequency, DEC);
printString("SYSCLKSource: ");
printNumberLn(RCC_GetSYSCLKSource(), DEC);
printString("PRESCALER TIM2: ");
printNumberLn(TIM_GetPrescaler(TIM3), DEC);
printStringLn("------------------------------------------------");
while (1)
{
GPIO_ToggleBits(GPIOC, GPIO_Pin_8);
TIM_SetCounter(TIM7, 0);
TIM_Cmd(TIM7, ENABLE);
start_time = TIM_GetCounter(TIM7);
delay_us(25);
stop_time = TIM_GetCounter(TIM7);
TIM_Cmd(TIM7, DISABLE);
printNumberLn(stop_time - start_time, DEC);
delay(100);
printNumberLn(millis(), DEC);
}
}
