//*****************************************************************************
//
// This example demonstrates how to send a string of data to the UART.
//
//*****************************************************************************
int
main(void)
{
//
// Set the clocking to run directly from the crystal.
//
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
SYSCTL_XTAL_8MHZ);
//
// Initialize the OLED display and write status.
//
//
// Enable the peripherals used by this example.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
//PC5,PC7 EN,CSN
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
GPIOPinTypeGPIOOutput(GPIO_PORTC_BASE,1<<5|1<<7);
//SPI配置
unsigned long ulDataTx[NUM_SSI_DATA];
unsigned long ulDataRx[NUM_SSI_DATA];
unsigned long ulindex;
unsigned long ultemp=0;
SysCtlPeripheralEnable(SYSCTL_PERIPH_SSI0);
//SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA2_SSI0CLK);
GPIOPinConfigure(GPIO_PA3_SSI0FSS);
GPIOPinConfigure(GPIO_PA4_SSI0RX);
GPIOPinConfigure(GPIO_PA5_SSI0TX);
GPIOPinTypeSSI(GPIO_PORTA_BASE, GPIO_PIN_5 | GPIO_PIN_4 | GPIO_PIN_3 |
GPIO_PIN_2);
SSIConfigSetExpClk(SSI0_BASE, SysCtlClockGet(), SSI_FRF_MOTO_MODE_0,
SSI_MODE_MASTER, 4000000, 8);
/*
GPIODirModeSet(GPIO_PORTA_BASE, GPIO_PIN_3, GPIO_DIR_MODE_OUT);
GPIOPadConfigSet(GPIO_PORTA_BASE, GPIO_PIN_3, GPIO_STRENGTH_4MA,
GPIO_PIN_TYPE_STD_WPU);
GPIODirModeSet(GPIO_PORTB_BASE, GPIO_PIN_0, GPIO_DIR_MODE_OUT);
GPIOPadConfigSet(GPIO_PORTB_BASE, GPIO_PIN_0 , GPIO_STRENGTH_4MA,
GPIO_PIN_TYPE_STD_WPU);
*/
SSIEnable(SSI0_BASE);
//
// Enable processor interrupts.
//
IntMasterEnable();
//
// Set GPIO A0 and A1 as UART pins.
//
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
//
// Configure the UART for 115,200, 8-N-1 operation.
//
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), 115200,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
//
// Enable the UART interrupt.
//
IntEnable(INT_UART0);
UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT);
//
// Prompt for text to be entered.
//
UARTStdioInit(0);
UARTSend((unsigned char *)"Enter text:\n\r", 12);
UARTSend((unsigned char *)"Enter text:\n\r", 12);
//清零接收缓冲区
while(SSIDataGetNonBlocking(SSI0_BASE, &ulDataRx[0]))
{
}
ulDataTx[0] = 's';
ulDataTx[1] = 'p';
ulDataTx[2] = 'i';
set_nrf24l01_csn_l();
/*
for(ulindex = 0; ulindex < NUM_SSI_DATA; ulindex++)
{
UARTprintf("'%c' ", ulDataTx[ulindex]);
SSIDataPut(SSI0_BASE, ulDataTx[ulindex]);
}
*/
set_nrf24l01_csn_h();
_delay_ms(1);
if( setDataRate( RF24_250KBPS ) )
{
p_variant = true ;
}
//初始化NRF24L01
set_module_tx();
nrf_write_reg(NRF_CONFIG,0x0a);
print_byte_register("CONFIG\t",NRF_CONFIG,1);
init_NRF24L01();
set_module_tx();
unsigned char transfer_value[]="EEWORLD_MSP430_00";
//set_module_tx();
//读不出来spi数据的原因是,原来里面有没读取完的数据,需要先清理,再读写.
setChannel(74);
UARTprintf("getchannel:%d\r\n",getChannel());
// setChannel(24);
// UARTprintf("getchannel:%d\r\n",getChannel());
//写地址
nrf_write_buf(TX_ADDR,(uint8_t*)&addresses[0],5);
uint8_t recvbuf[5];
nrf_read_buf(TX_ADDR,&recvbuf[0],5);
for(int i=0;i<5;i++)
{
UARTprintf("%d:%d ",i,recvbuf[i]);
}
UARTprintf("\r\n");
//end of test write address
uint8_t data[32];
for(int i=0;i<32;i++)
{
data[i]=i;
}
UARTprintf("\r\n");
//while(SSIDataGetNonBlocking(SSI0_BASE, &ulDataRx[0]))
//{
//}
//重新发送前,避免写缓冲区满
flush_tx();
spi_write_reg(STATUS, ( spi_read_reg(STATUS) ) | _BV(MAX_RT) );
//role=role_ping_out
openWritingPipe(addresses[0]);
openReadingPipe(1,addresses[1]);
nrf_write_buf(RX_ADDR_P0,(uint8_t*)&addresses[0],5);
unsigned char test;
//while(1)
{
test=spi_read_reg(0x05);
UARTprintf("test:%d\r\n",test);
_delay_ms(1000);
}
//调试关闭
//nrf_write_reg(EN_AA,0x00);
nrf_write_reg(EN_RXADDR,0x02);
//nrf_write_reg(SETUP_RETR,0x00);
nrf_write_reg(RX_PW_P1,0x20);
//set_module_tx();
nrf_write_reg(NRF_CONFIG,0x0b);
nrf_write_reg(CONFIG, nrf_read_reg(CONFIG) | _BV(PRIM_RX));
nrf_write_reg(STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
set_nrf24l01_ce_h();
nrf_write_buf(RX_ADDR_P0,(uint8_t*)&addresses[0],5);
set_nrf24l01_ce_h();
if(nrf_read_reg(FEATURE) & _BV(EN_ACK_PAY))
{
flush_tx();
}
flush_rx();
print_status(get_status());
nrf_write_reg(SETUP_AW,0x03);
print_byte_register("SETUP_AW\t",SETUP_AW,1);
print_address_register("RX_ADDR_P0-1",RX_ADDR_P0,2);
print_byte_register("RX_ADDR_P2-5",RX_ADDR_P2,4);
print_address_register("TX_ADDR\t",TX_ADDR,1);
print_byte_register("RX_PW_P0-6",RX_PW_P0,6);
print_byte_register("EN_AA\t",EN_AA,1);
print_byte_register("EN_RXADDR",EN_RXADDR,1);
print_byte_register("RF_CH\t",RF_CH,1);
print_byte_register("RF_SETUP",RF_SETUP,1);
print_byte_register("CONFIG\t",NRF_CONFIG,1);
print_byte_register("DYNPD/FEATURE",DYNPD,2);
UARTprintf("Data Rate\t = %s\r\n", pgm_read_word(&rf24_datarate_e_str_P[getDataRate()]));
UARTprintf("Model\t\t = %s\r\n", pgm_read_word(&rf24_model_e_str_P[isPVariant()]));
UARTprintf("CRC Length\t = %s\r\n",pgm_read_word(&rf24_crclength_e_str_P[getCRCLength()]));
UARTprintf("PA Power\t = %s\r\n", pgm_read_word(&rf24_pa_dbm_e_str_P[getPALevel()]));
Init_Timer_A();
set_nrf24l01_ce_h();
//将业务数据写入:WR_TX_PLOAD
uint8_t fifo_status,status,state,i;
while(1)
{
fifo_status=spi_read_reg(FIFO_STATUS);
if(fifo_status&0x02)
{
status=spi_read_reg(STATUS);
if(status&_BV(RX_DR))
{
state=spi_send_byte(RD_RX_PLOAD);
for(i=0;i<RX_PLOAD_WIDTH;i++)
{
status=spi_send_byte(0xff);
//buf[i]=status;
}
nrf_write_reg(FLUSH_RX,0xFF);
//UARTprintf(".");
counter++;
}
if(status &0x02)
{
nrf_write_reg(FLUSH_RX,0xFF);
//UARTprintf(".");
counter++;
}
nrf_rx_packet(data);
}
}
while(available(0))
{
//UARTprintf(".");
if(nrf_rx_packet(data) == 0)
{
counter++;
}
//UARTprintf(".");
//_delay_ms(50);
/*
set_nrf24l01_ce_l();
nrf_write_buf(WR_TX_PLOAD,data,TX_PLOAD_WIDTH);
set_nrf24l01_ce_h();
_delay_ms(30);
*/
}
}
QString QRF24::getDetails(bool displayDetails)
{
QString printfQString;
QString result;
result.append("\n================ SPI Configuration ================\n" );
if (csn_pin < BCM2835_SPI_CS_NONE )
{
result.append(printfQString.sprintf("CSN Pin \t = %s\n",rf24_csn_e_str_P[csn_pin]));
}
else
{
result.append(printfQString.sprintf("CSN Pin \t = Custom GPIO%d%s\n", csn_pin, csn_pin==RPI_V2_GPIO_P1_26 ? " (CE1) Software Driven" : "" ));
}
result.append(printfQString.sprintf("CE Pin \t = Custom GPIO%d\n", ce_pin ));
// SPI Bus Speed
result.append("Clock Speed\t = " );
switch (spi_speed)
{
case BCM2835_SPI_SPEED_64MHZ : result.append("64 Mhz"); break ;
case BCM2835_SPI_SPEED_32MHZ : result.append("32 Mhz"); break ;
case BCM2835_SPI_SPEED_16MHZ : result.append("16 Mhz"); break ;
case BCM2835_SPI_SPEED_8MHZ : result.append("8 Mhz"); break ;
case BCM2835_SPI_SPEED_4MHZ : result.append("4 Mhz"); break ;
case BCM2835_SPI_SPEED_2MHZ : result.append("2 Mhz"); break ;
case BCM2835_SPI_SPEED_1MHZ : result.append("1 Mhz"); break ;
case BCM2835_SPI_SPEED_512KHZ: result.append("512 KHz"); break ;
case BCM2835_SPI_SPEED_256KHZ: result.append("256 KHz"); break ;
case BCM2835_SPI_SPEED_128KHZ: result.append("128 KHz"); break ;
case BCM2835_SPI_SPEED_64KHZ : result.append("64 KHz"); break ;
case BCM2835_SPI_SPEED_32KHZ : result.append("32 KHz"); break ;
case BCM2835_SPI_SPEED_16KHZ : result.append("16 KHz"); break ;
case BCM2835_SPI_SPEED_8KHZ : result.append("8 KHz"); break ;
default : result.append("Probably Bad !!!"); break ;
}
result.append("\n");
result.append("================ NRF Configuration ================\n" );
result.append(status(getStatus()));
result.append(addressRegister("RX_ADDR_P0-1",RX_ADDR_P0,2));
result.append(byteRegister("RX_ADDR_P2-5",RX_ADDR_P2,4));
result.append(addressRegister("TX_ADDR",TX_ADDR));
result.append(byteRegister("RX_PW_P0-6",RX_PW_P0,6));
result.append(byteRegister("EN_AA",EN_AA));
result.append(byteRegister("EN_RXADDR",EN_RXADDR));
result.append(byteRegister("RF_CH",RF_CH));
result.append(byteRegister("RF_SETUP",RF_SETUP));
result.append(byteRegister("CONFIG",CONFIG));
result.append(byteRegister("DYNPD/FEATURE",DYNPD,2));
result.append(printfQString.sprintf("Data Rate\t = %s\r\n",rf24_datarate_e_str_P[getDataRate()]));
result.append(printfQString.sprintf("Model\t\t = %s\r\n",rf24_model_e_str_P[isPVariant()]));
result.append(printfQString.sprintf("CRC Length\t = %s\r\n",rf24_crclength_e_str_P[getCRCLength()]));
result.append(printfQString.sprintf("PA Power\t = %s\r\n",rf24_pa_dbm_e_str_P[getPALevel()]));
if (displayDetails)
qDebug() << result;
return result;
}