int main(void)
{
SystemInit();
UARTx_Init();
Printf_SystemRccClocks();
RTC_Init();
Hal_Init();
McuStatusInit();
while(1)
{
MessageHandle();
KEY_Handle();
IR_Handle();
DHT11_Read_Data(&Device_ReadStruct.Temperature, &Device_ReadStruct.Humidity);
ReportDevStatusHandle();
}
}
int main(void) {
Delay_Init((void *)0);
UARTx_Init(USART2,1382400);
UART_SendStr(USART2,"--------------------------------------\n");
if (I2Cx_Init(BMC050_I2C_PORT,400000) != I2C_SUCCESS) {
UART_SendStr(USART2,"I2C2 init fail\n");
while(1);
}
UART_SendStr(USART2,"I2C2 init at 400kHz\n");
// Enable PORTA peripheral
RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
// Configure PA6 as external interrupt
GPIOA->MODER &= ~GPIO_MODER_MODER6; // Input mode (reset state)
GPIOA->PUPDR &= ~GPIO_PUPDR_PUPDR6; // No pull-up, pull-down
GPIOA->PUPDR |= GPIO_PUPDR_PUPDR6_1; // Pull-down
// Configure priority group: 4 bits for preemption priority, 0 bits for subpriority.
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
// Enable the SYSCFG module clock
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN;
// PA6 -> EXTI line 6 (INT1 from BMC050)
EXTI->PR = INT1_EXTI_LINE; // Clear IT pending bit for EXTI line
EXTI->IMR |= INT1_EXTI_LINE; // Enable interrupt request from EXTI line
EXTI->EMR &= ~INT1_EXTI_LINE; // Disable event on EXTI line
EXTI->RTSR |= INT1_EXTI_LINE; // Trigger rising edge enabled
EXTI->FTSR &= ~INT1_EXTI_LINE; // Trigger falling edge disabled
// Enable the USB interrupt
NVICInit.NVIC_IRQChannel = EXTI9_5_IRQn;
NVICInit.NVIC_IRQChannelPreemptionPriority = 2;
NVICInit.NVIC_IRQChannelSubPriority = 0;
NVICInit.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVICInit);
///*
uint8_t buf[2];
uint8_t reg;
uint8_t val;
uint32_t i;
//*/
///*
reg = 0x00;
val = 0;
UART_SendStr(USART2,"\nAccelerometer\n");
for (reg = 0; reg <= 0x3f; reg++) {
I2Cx_Write(BMC050_I2C_PORT,®,1,0x18 << 1,I2C_NOSTOP);
I2Cx_Read(BMC050_I2C_PORT,&val,1,0x18 << 1);
UART_SendStr(USART2,"R");
UART_SendHex8(USART2,reg);
UART_SendStr(USART2," = ");
UART_SendHex8(USART2,val);
UART_SendStr(USART2,"\t\t");
}
UART_SendChar(USART2,'\n');
//*/
/*
UART_SendStr(USART2,"\nMagnetometer\n");
// Magnetometer power enable
buf[0] = 0x4b;
buf[1] = 0x01; // Set power control bit
I2Cx_Write(BMC050_I2C_PORT,&buf[0],2,0x10 << 1,I2C_STOP);
for (reg = 0x40; reg <= 0x52; reg++) {
I2Cx_Write(BMC050_I2C_PORT,®,1,0x10 << 1,I2C_NOSTOP);
I2Cx_Read(BMC050_I2C_PORT,&val,1,0x10 << 1);
UART_SendStr(USART2,"R");
UART_SendHex8(USART2,reg);
UART_SendStr(USART2," = ");
UART_SendHex8(USART2,val);
UART_SendStr(USART2,"\t\t");
}
UART_SendStr(USART2,"\n========================================\n");
*/
BMC050_ACC_SoftReset();
Delay_ms(5); // must wait for start-up time of accelerometer (2ms)
BMC050_Init();
// Enable I2C watchdog timer with 50ms
BMC050_ACC_InterfaceConfig(ACC_IF_WDT_50ms);
UART_SendStr(USART2,"BMC050 ACC device ID: ");
UART_SendHex8(USART2,BMC050_ACC_GetDeviceID());
UART_SendChar(USART2,'\n');
UART_SendStr(USART2,"BMC050 MAG device ID: ");
UART_SendHex8(USART2,BMC050_MAG_GetDeviceID());
UART_SendChar(USART2,'\n');
UART_SendStr(USART2,"BMC050 temperature: ");
temp = BMC050_ReadTemp();
UART_SendInt(USART2,temp / 10);
UART_SendChar(USART2,'.');
UART_SendInt(USART2,temp % 10);
UART_SendStr(USART2,"C\n");
BMC050_ACC_SetBandwidth(ACC_BW8); // Accelerometer readings filtering (lower or higher better?)
BMC050_ACC_SetIRQMode(ACC_IM_NOLATCH); // No IRQ latching
BMC050_ACC_ConfigSlopeIRQ(0,16); // Motion detection sensitivity
BMC050_ACC_IntPinMap(ACC_IM1_SLOPE); // Map slope interrupt to INT1 pin
BMC050_ACC_SetIRQ(ACC_IE_SLOPEX | ACC_IE_SLOPEY | ACC_IE_SLOPEZ); // Detect motion by all axes
BMC050_ACC_LowPower(ACC_SLEEP_100); // Low power with sleep duration 0.1s
// BMC050_ACC_Suspend();
while(1);
/*
while(1) {
while (!BMC050_ACC_GetIRQStatus()); // Wait for new data from accelerometer
i8 = BMC050_ACC_GetTSIRQ();
BMC050_ACC_GetXYZ(&X,&Y,&Z);
UART_SendStr(USART2,"Slope=");
UART_SendHex8(USART2,i8);
UART_SendChar(USART2,' ');
if (i8 & ACC_TS_SLOPEZ) UART_SendStr(USART2,"SLOPEZ ");
if (i8 & ACC_TS_SLOPEY) UART_SendStr(USART2,"SLOPEY ");
if (i8 & ACC_TS_SLOPEX) UART_SendStr(USART2,"SLOPEX ");
UART_SendStr(USART2," X=");
UART_SendInt(USART2,X);
UART_SendStr(USART2," Y=");
UART_SendInt(USART2,Y);
UART_SendStr(USART2," Z=");
UART_SendInt(USART2,Z);
UART_SendChar(USART2,'\n');
BMC050_ACC_SetIRQMode(ACC_IM_RESET);
Delay_ms(100);
}
*/
}
