void wireless_init() {
CC2500_Init();
GPIO_InitTypeDef GPIO_init_st;
NVIC_InitTypeDef NVIC_init_st;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
//Configure GPIO pin 0 in input mode
GPIO_init_st.GPIO_Mode = GPIO_Mode_IN;
GPIO_init_st.GPIO_Pin = CC2500_SPI_INT_PIN;
GPIO_init_st.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_init_st.GPIO_Speed = GPIO_High_Speed;
GPIO_init_st.GPIO_OType = GPIO_OType_PP;
GPIO_Init(CC2500_SPI_INT_GPIO_PORT, &GPIO_init_st);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, CC2500_SPI_INT_EXTI_PIN_SOURCE);
EXTI_InitStructure.EXTI_Line = CC2500_SPI_INT_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// configure NVIC
NVIC_init_st.NVIC_IRQChannel = CC2500_SPI_INT_EXTI_IRQn;
NVIC_init_st.NVIC_IRQChannelCmd = ENABLE;
NVIC_init_st.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_init_st.NVIC_IRQChannelSubPriority = 0x01;
NVIC_Init(&NVIC_init_st);
NVIC_EnableIRQ(CC2500_SPI_INT_EXTI_IRQn);
}
/**
* @brief Function that initializes receiver.
* @param *receiver: pointer to Receiver structure.
* @retval None
*/
void init_receiver(struct Receiver *receiver) {
receiver->state = 0;
receiver->buffer_space = 0;
CC2500_Init();
CC2500_config_transmitter();
goToTX(&(receiver->state), &(receiver->buffer_space));
osMutexDef(receiverMutex);
receiver->mutexID=osMutexCreate(osMutex(receiverMutex));
}
/*
Initialize Wireless Chip
*/
uint8_t init_wireless(void) {
// Setup up CC2500 SPI
CC2500_InitTypeDef CC2500_InitStruct;
CC2500_Init(&CC2500_InitStruct);
// Send reset command
CC2500_CommandProbe(CC2500_READBIT, CC2500_SRES);
// Wait for CHIP_RDYn
while (CC2500_CommandProbe(CC2500_READBIT, CC2500_SNOP) & 0x80);
// Configure the CC2500 registers
CC2500_SmartRF_Config();
osDelay(1000);
return CC2500_CommandProbe(CC2500_READBIT, CC2500_SNOP);
}
/**
* @brief Function that initializes the transmitter.
* @param *transmitter: Pointer to a Transmitter structure.
* @param *tid_thread_transmitter: Pointer to the pushbutton thread control block.
* @retval None
*/
void init_transmitter(struct Transmitter *transmitter, osThreadId **tid_thread_transmitter) {
transmitter->state = 0;
transmitter->buffer_space = 0;
uint32_t i;
for (i=0; i<sizeof(transmitter->data)/sizeof(transmitter->data[0]); i++) {
transmitter->data[i] = 0;
}
CC2500_Init();
CC2500_config_transmitter();
goToTX(&(transmitter->state), &(transmitter->buffer_space));
osThreadDef(transmitterThread, osPriorityNormal, 1, 0);
transmitter->threadID = osThreadCreate(osThread(transmitterThread), transmitter);
osMutexDef(transmitterMutex);
transmitter->mutexID=osMutexCreate(osMutex(transmitterMutex));
*tid_thread_transmitter = &(transmitter->threadID);
}
int main()
{
__eds__ char temp;
TRISBbits.TRISB13 = 0;
LATBbits.LATB5 = 0;
TRISBbits.TRISB5 = 0;
CC2500_Session Session = CC2500_Init(ChipSelect,0xAA,1);
char data[10] = {1,2,3,4,5,6,7,8,9,10};
CC2500_ReadStatusRegister(Session,&temp,0);
CC2500_TransmitSmallPacket(Session,data,10);
while(1)
{
Nop();
}
return (EXIT_SUCCESS);
}
void initializeWireless() {
//Initialize the transmitter
CC2500_Init();
GPIO_InitTypeDef GPIO_init_st;
NVIC_InitTypeDef NVIC_init_st;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
//Configure GPIO pin 0 in input mode
GPIO_init_st.GPIO_Mode = GPIO_Mode_IN;
GPIO_init_st.GPIO_Pin = CC2500_SPI_INT_PIN;
GPIO_init_st.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_init_st.GPIO_Speed = GPIO_High_Speed;
GPIO_init_st.GPIO_OType = GPIO_OType_PP;
GPIO_Init(CC2500_SPI_INT_GPIO_PORT, &GPIO_init_st);
//Configure the EXTI Interrupt
SYSCFG_EXTILineConfig(CC2500_SPI_INT_EXTI_PORT_SOURCE, CC2500_SPI_INT_EXTI_PIN_SOURCE);
EXTI_InitStructure.EXTI_Line = CC2500_SPI_INT_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
//Configure the NVIC for the interrupt
NVIC_init_st.NVIC_IRQChannel = CC2500_SPI_INT_EXTI_IRQn;
NVIC_init_st.NVIC_IRQChannelCmd = ENABLE;
NVIC_init_st.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_init_st.NVIC_IRQChannelSubPriority = 0x01;
NVIC_Init(&NVIC_init_st);
NVIC_EnableIRQ(CC2500_SPI_INT_EXTI_IRQn);
}
