/******************
******* 函数名称： KEY_IN()
******* 函数功能： 电梯按键检测函数
******* 返回值 ： INT8U 0 1 2
******************/
INT8U KEY_IN(void)
{
if(Key0 == 0)
{
Delay_nms(2);
if(Key0 == 0){
LED0 = 1;
send_string_uart("按下0层按键\r\n");
return 0;
}
} else
if(Key1 == 0)
{
Delay_nms(2);
if(Key1 == 0){
LED1 = 1;
send_string_uart("按下1层按键\r\n");
return 1;
}
} else
if(Key2 == 0)
{
Delay_nms(2);
if(Key2 == 0){
LED2 = 1;
send_string_uart("按下2层按键\r\n");
return 2;
}
}
return 3;
}
int main(void) {
initx();
xTimerHandle timer = xTimerCreate((const signed char *) "timer",
1000 / portTICK_RATE_MS, pdTRUE, NULL, toggleLedCallback);
send_string_uart("timer created\n");
queue = xQueueCreate(20, 1);
xTaskCreate(acceleration_task, (signed char*)"acceleration_task", 128, NULL,
tskIDLE_PRIORITY+1, NULL);
send_string_uart("queue created\n");
xTimerStart(timer, 0);
send_string_uart("timer started\n");
send_string_uart("INIT DONE, Starting\n");
vTaskStartScheduler();
return 0;
}
void toggleLedCallback(xTimerHandle xTimer) {
static char buffer[2048];
STM_EVAL_LEDToggle(LED5);
vTaskGetRunTimeStats(buffer);
send_string_uart(buffer);
}
/******************
******* 函数名称： Key_INIT()
******* 函数功能： 电梯上升检测函数
******* 返回值 ： NULL
******************/
void Key_INIT()
{
if(Key0_UP == 0)
{
Delay_nms(2);
if(Key0_UP == 0){
LED0_UP = 1;
UP_Flag = 0;
send_string_uart("按下0层上键\r\n");
}
}
if(Key1_UP == 0)
{
Delay_nms(2);
if(Key1_UP == 0){
LED1_UP = 1;
UP_Flag = 1;
send_string_uart("按下1层上键\r\n");
}
}
if(Key1_DOWN == 0)
{
Delay_nms(2);
if(Key1_DOWN == 0){
LED1_DOWN = 1;
Down_Flag = 1;
send_string_uart("按下1层下键\r\n");
}
}
if(Key2_DOWN == 0)
{
Delay_nms(2);
if(Key2_DOWN == 0){
LED2_DOWN = 1;
Down_Flag = 2;
send_string_uart("按下2层下键\r\n");
}
}
}
void main()
{
DOOR_INIT();
Usart_Init();
send_string_uart("ϵͳÒÑÆô¶¯£¡\r\n");
while(1)
{
Key_INIT();
Floor_Init();
Motor_INIT();
}
}
void initx(void) {
SCB ->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2));
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
STM_EVAL_LEDInit(LED5);
STM_EVAL_LEDInit(LED6);
STM_EVAL_LEDOff(LED3);
STM_EVAL_LEDOff(LED4);
STM_EVAL_LEDOff(LED5);
STM_EVAL_LEDOff(LED6);
init_usart();
send_string_uart("INIT UART\n");
init_accelerometer();
send_string_uart("INIT ACCE\n");
wire_exti_interrupt0_to_acceleromerter_int1();
send_string_uart("INIT INT\n");
init_DAC_DMA();
send_string_uart("INIT DMA\n");
DAC_Ch2_SineWaveConfig();
send_string_uart("INIT SINE\n");
}
void HardFault_Handler(void) {
/*
* Get the appropriate stack pointer, depending on our mode,
* and use it as the parameter to the C handler. This function
* will never return
*/
send_string_uart("HardFault_Handler\n");
__asm( ".syntax unified\n"
"MOVS R0, #4 \n"
"MOV R1, LR \n"
"TST R0, R1 \n"
"BEQ _MSP \n"
"MRS R0, PSP \n"
"B HardFault_HandlerC \n"
"_MSP: \n"
"MRS R0, MSP \n"
"B HardFault_HandlerC \n"
".syntax divided\n");
}
void display_bar(int min_val, int max_val, int value) {
static char display[130];
int range = (max_val - min_val);
int average = (max_val + min_val) / 2;
int display_value = (value - average) * 128 / range + 64;
int min = 0;
int max = 0;
if (display_value < 64) {
min = display_value;
max = 64;
} else {
min = 64;
max = display_value;
}
for (int i = 0; i < sizeof(display); i++)
if (i > min && i < max)
display[i] = '-';
else
display[i] = ' ';
display[sizeof(display) - 2] = '\n';
display[sizeof(display) - 1] = 0;
send_string_uart(display);
}
void PVD_IRQHandler(void) {
send_string_uart("PVD_IRQHandler\n");
}
void WWDG_IRQHandler(void) {
send_string_uart("WWDG_IRQHandler\n");
}
void DebugMon_Handler(void) {
send_string_uart("DebugMon_Handler\n");
}
void UsageFault_Handler(void) {
send_string_uart("UsageFault_Handler\n");
}
void NMI_Handler(void) {
send_string_uart("NMI_Handler\n");
}
void MemManage_Handler(void) {
send_string_uart("MemManage_Handler\n");
}
void BusFault_Handler(void) {
send_string_uart("BusFault_Handler\n");
}
uint32_t LIS302DL_TIMEOUT_UserCallback(void) {
send_string_uart("ACCELEROMETER TIMEOUT\n");
STM_EVAL_LEDToggle(LED6);
return 0;
}
