예제 #1
0
void hal_nrf_set_sta(hal_nrf_sta_t sta)
{
	u8 len, i;
	if(hal_nrf_tx_cnt){
		hal_nrf_tx_cmd_flag = 0;
		HAL_NRF_WAIT_ACK_DONE();
		IRQ_DIS();
		
		CE_LOW();
		hal_nrf_flush_tx();
		hal_nrf_flush_rx();
		
		hal_nrf_sta = HAL_NRF_STA_TX;
		hal_nrf_tx_busy = 1;
		len = hal_nrf_tx_buf[hal_nrf_tx_rd_index];
		hal_nrf_tx_rd_index++;
		if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
			hal_nrf_tx_rd_index = 0;
		}
		hal_nrf_tx_cnt = hal_nrf_tx_cnt-len-1;
		
//		hal_nrf_write_tx_payload(hal_nrf_tx_buf_tmp, len);
		CSN_LOW();
		HAL_NRF_HW_SPI_WRITE(W_TX_PAYLOAD);
		while(HAL_NRF_HW_SPI_BUSY) {}
		HAL_NRF_HW_SPI_READ();
		for(i=0; i<len; i++){
			HAL_NRF_HW_SPI_WRITE(hal_nrf_tx_buf[hal_nrf_tx_rd_index]);
			hal_nrf_tx_rd_index++;
			if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
				hal_nrf_tx_rd_index = 0;
			}
			while(HAL_NRF_HW_SPI_BUSY) {} /* wait for byte transfer finished */
			HAL_NRF_HW_SPI_READ();
		}
		CSN_HIGH();
		hal_nrf_set_operation_mode(HAL_NRF_PTX);
//		CE_HIGH();
//		T2_START();
		t2_start_delay();
		IRQ_EN();
		
	}else{
		read_flash_buf(slave_cmd, slave_cmd_end, CMD_LENGTH);
		hal_nrf_send_cmd(slave_cmd, HAL_NRF_STA_RX);
		hal_nrf_tx_cmd_flag = 2;
	}
}
예제 #2
0
void hal_nrf_send_cmd(u8 *buf, u8 sta)
{
	/** auto ack delay */
	HAL_NRF_WAIT_ACK_DONE();
	IRQ_DIS();
	CE_LOW();
	hal_nrf_flush_tx();
	hal_nrf_flush_rx();
	hal_nrf_sta = HAL_NRF_STA_TX_CMD;
//	hal_nrf_sta_next = sta;
	hal_nrf_write_tx_payload(buf, CMD_LENGTH);
//	hal_nrf_write_tx_payload_noack(buf, CMD_LENGTH);
	hal_nrf_set_operation_mode(HAL_NRF_PTX);	
//	CE_HIGH();
//	T2_START();	
	t2_start_delay();
	IRQ_EN();
}
예제 #3
0
__interrupt void HAL_NRF_ISR(void)
{
	u8 status, len, i;
	if(!IRQ) {
		/**  */
		// Read and clear IRQ flags from radio
		status = hal_nrf_nop();
//		if(hal_nrf_ack_flag){
//			if((status&0x60) == 0x60){
//				hal_nrf_ack_flag = 0;
//			}else{
//				read_flash_buf(slave_cmd, slave_cmd_request, CMD_LENGTH);
//				hal_nrf_write_ack_payload(0, slave_cmd, CMD_LENGTH);
//			}
//		}
#ifdef SLAVE_DEBUG
		hal_nrf_irq_flag = status;
#endif
		if(status & (1<< (uint8_t)HAL_NRF_RX_DR)){

			do{
				len  = hal_nrf_read_rx_payload_width();
				if(len > 32){
					hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_RX_DR));
					hal_nrf_rx_sta = HAL_NRF_RX_STA_COM_ERROR;
					return;
				}
				if((hal_nrf_rx_cnt + len + 1) < HAL_NRF_RX_BUF_LEN){
					hal_nrf_rx_buf[hal_nrf_rx_wr_index] = len;
					hal_nrf_rx_wr_index++;
					if(hal_nrf_rx_wr_index == HAL_NRF_RX_BUF_LEN){
						hal_nrf_rx_wr_index=0;
					}
//					hal_nrf_read_payload((u8*)hal_nrf_rx_buf[hal_nrf_rx_wr_index].buf, len);
					CSN_LOW();
					HAL_NRF_HW_SPI_WRITE(R_RX_PAYLOAD);
					while(HAL_NRF_HW_SPI_BUSY) {}
					HAL_NRF_HW_SPI_READ();
					for(i=0; i<len; i++){
						HAL_NRF_HW_SPI_WRITE(0U);
						while(HAL_NRF_HW_SPI_BUSY){} 
						hal_nrf_rx_buf[hal_nrf_rx_wr_index] =  HAL_NRF_HW_SPI_READ(); 
						hal_nrf_rx_wr_index++;
						if(hal_nrf_rx_wr_index == HAL_NRF_RX_BUF_LEN){
							hal_nrf_rx_wr_index=0;
						}
					}
					CSN_HIGH();
					hal_nrf_rx_cnt = hal_nrf_rx_cnt+len+1;					
				}else{
					hal_nrf_flush_rx();
					hal_nrf_rx_sta = HAL_NRF_RX_STA_BUF_OVF;
					/** clear RX_DR */
					hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_RX_DR));
					break;
				}
				/** clear RX_DR */
				hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_RX_DR));
			}while(!hal_nrf_rx_fifo_empty());
		}
		
		if(status & (1 << (uint8_t)HAL_NRF_TX_DS)){
			hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_TX_DS));
			switch(hal_nrf_sta){
			  case HAL_NRF_STA_TX:
				hal_nrf_tx_cmd_flag = 0;
				if(hal_nrf_tx_cnt){
					hal_nrf_tx_busy = 1;
					len = hal_nrf_tx_buf[hal_nrf_tx_rd_index];
					hal_nrf_tx_rd_index++;
					if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
						hal_nrf_tx_rd_index = 0;
					}
					hal_nrf_tx_cnt = hal_nrf_tx_cnt-len-1;
//					hal_nrf_write_tx_payload(hal_nrf_tx_buf_tmp, len);
					CSN_LOW();
					HAL_NRF_HW_SPI_WRITE(W_TX_PAYLOAD);
					while(HAL_NRF_HW_SPI_BUSY) {}
					HAL_NRF_HW_SPI_READ();
					for(i=0; i<len; i++){
						HAL_NRF_HW_SPI_WRITE(hal_nrf_tx_buf[hal_nrf_tx_rd_index]);
						hal_nrf_tx_rd_index++;
						if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
							hal_nrf_tx_rd_index = 0;
						}
						while(HAL_NRF_HW_SPI_BUSY) {} /* wait for byte transfer finished */
						HAL_NRF_HW_SPI_READ();
					}
					CSN_HIGH();
//					CE_HIGH();
//					T2_START();
					t2_start_delay();
				}else{
					if(hal_nrf_tx_sta == HAL_NRF_TX_STA_IDLE){
						/** send end pkt */
						hal_nrf_tx_sta = HAL_NRF_TX_STA_DONE;
						read_flash_buf(slave_cmd, slave_cmd_end, CMD_LENGTH);
						hal_nrf_write_tx_payload(slave_cmd, CMD_LENGTH);
						hal_nrf_tx_cmd_flag = 2;
//						CE_HIGH();
//						T2_START();
						t2_start_delay();
					}else{
						hal_nrf_tx_sta = HAL_NRF_TX_STA_IDLE;
						hal_nrf_sta = HAL_NRF_STA_RX;
						CE_LOW();
						hal_nrf_flush_tx();
						hal_nrf_flush_rx();
						/** return to RX mode */
						hal_nrf_set_operation_mode(HAL_NRF_PRX);
						CE_HIGH();
						hal_nrf_tx_busy = 0;
					}
				}
				break;
			  case HAL_NRF_STA_RX:
				/** ack payload send */
				break;
			  case HAL_NRF_STA_TX_CMD:
				hal_nrf_sta = HAL_NRF_STA_RX;
				
				CE_LOW();
				hal_nrf_flush_tx();
				hal_nrf_flush_rx();
				/** return to RX mode */
				hal_nrf_set_operation_mode(HAL_NRF_PRX);
				CE_HIGH();
				hal_nrf_tx_busy = 0;
				hal_nrf_tx_cmd_flag = 0;
				break;
			}
		}
		
		if(status & (1 << (uint8_t)HAL_NRF_MAX_RT)){
#if 0
			// When a MAX_RT interrupt occurs the TX payload will not be removed from the TX FIFO.
			// If the packet is to be discarded this must be done manually by flushing the TX FIFO.
			// Alternatively, CE_PULSE() can be called re-starting transmission of the payload.
			// (Will only be possible after the radio irq flags are cleared)
			hal_nrf_flush_tx();
			hal_nrf_flush_rx();
			
			hal_nrf_set_operation_mode(HAL_NRF_PRX);
			CE_HIGH();
			hal_nrf_sta=HAL_NRF_STA_RX;
			
			/** discard all data in buffer */
			hal_nrf_tx_busy = 0;
			hal_nrf_tx_cnt = 0;
			hal_nrf_tx_rd_index =0;
			hal_nrf_tx_wr_index = 0;
			
//			hal_nrf_flush_rx();			
//			hal_nrf_rx_cnt = 0;
//			hal_nrf_rx_rd_index =0;
//			hal_nrf_rx_wr_index = 0;
			
			/** set timeout flag */
			hal_nrf_timeout = 1;
			
			hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_MAX_RT));
#else
            hal_nrf_write_reg (STATUS,  (1<< (uint8_t)HAL_NRF_MAX_RT));
            
            switch(hal_nrf_sta){
			  case HAL_NRF_STA_TX:
				hal_nrf_tx_cmd_flag = 0;
				if(hal_nrf_tx_cnt){
					hal_nrf_tx_busy = 1;
					len = hal_nrf_tx_buf[hal_nrf_tx_rd_index];
					hal_nrf_tx_rd_index++;
					if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
						hal_nrf_tx_rd_index = 0;
					}
					hal_nrf_tx_cnt = hal_nrf_tx_cnt-len-1;
//					hal_nrf_write_tx_payload(hal_nrf_tx_buf_tmp, len);
					CSN_LOW();
					HAL_NRF_HW_SPI_WRITE(W_TX_PAYLOAD);
					while(HAL_NRF_HW_SPI_BUSY) {}
					HAL_NRF_HW_SPI_READ();
					for(i=0; i<len; i++){
						HAL_NRF_HW_SPI_WRITE(hal_nrf_tx_buf[hal_nrf_tx_rd_index]);
						hal_nrf_tx_rd_index++;
						if(hal_nrf_tx_rd_index == HAL_NRF_TX_BUF_LEN){
							hal_nrf_tx_rd_index = 0;
						}
						while(HAL_NRF_HW_SPI_BUSY) {} /* wait for byte transfer finished */
						HAL_NRF_HW_SPI_READ();
					}
					CSN_HIGH();
//					CE_HIGH();
//					T2_START();
					t2_start_delay();
				}else{
					if(hal_nrf_tx_sta == HAL_NRF_TX_STA_IDLE){
						/** send end pkt */
						hal_nrf_tx_sta = HAL_NRF_TX_STA_DONE;
						read_flash_buf(slave_cmd, slave_cmd_end, CMD_LENGTH);
						hal_nrf_write_tx_payload(slave_cmd, CMD_LENGTH);
						hal_nrf_tx_cmd_flag = 2;
//						CE_HIGH();
//						T2_START();
						t2_start_delay();
					}else{
						hal_nrf_tx_sta = HAL_NRF_TX_STA_IDLE;
						hal_nrf_sta = HAL_NRF_STA_RX;
						CE_LOW();
						hal_nrf_flush_tx();
						hal_nrf_flush_rx();
						/** return to RX mode */
						hal_nrf_set_operation_mode(HAL_NRF_PRX);
						CE_HIGH();
						hal_nrf_tx_busy = 0;
					}
				}
				break;
			  case HAL_NRF_STA_RX:
				/** ack payload send */
				break;
			  case HAL_NRF_STA_TX_CMD:
				hal_nrf_sta = HAL_NRF_STA_RX;
				
				CE_LOW();
				hal_nrf_flush_tx();
				hal_nrf_flush_rx();
				/** return to RX mode */
				hal_nrf_set_operation_mode(HAL_NRF_PRX);
				CE_HIGH();
				hal_nrf_tx_busy = 0;
				hal_nrf_tx_cmd_flag = 0;
				break;
			}
#endif
		}
	}
}
예제 #4
0
파일: gzll.c 프로젝트: cansonlee/radio_rf
void gzll_init(void)
{
  uint32_t flag;
  uint8_t temp_adr[GZLL_ADDRESS_WIDTH] = GZLL_DEFAULT_ADDRESS_PIPE1;

  flag = gzll_interupts_save();
  GZLL_RFCE_LOW();

  hal_nrf_enable_ack_payload(true);
  hal_nrf_enable_dynamic_payload(true);
  hal_nrf_setup_dynamic_payload(0xff);

  /*
  Initialize status variables.
  */
  gzll_channel_tab_index = 0;
  gzll_channel_tab_size = GZLL_DEFAULT_CHANNEL_TAB_SIZE;

  gzll_pending_goto_idle = false;
  gzll_timer_period_modified = false;

  gzll_current_tx_pipe = 0;
  gzll_pending_tx_start = false;
  gzll_tx_setup_modified = true;
  gzll_rx_setup_modified = true;
  gzll_radio_active_f = false;
  gzll_tx_success_f = true;

  gzll_sync_period = 0;
  gzll_sync_on = false;

  gzll_rx_dr = false;
  gzll_rx_power_high_f = false;
  gzll_ack_rx_pipe_fifo_cnt = 0;

  /*
  Set up default addresses.
  */
  hal_nrf_set_address(HAL_NRF_PIPE0, gzll_p0_adr);
  hal_nrf_set_address(HAL_NRF_PIPE1, temp_adr);

  temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE2;
  hal_nrf_set_address(HAL_NRF_PIPE2, temp_adr);

  temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE3;
  hal_nrf_set_address(HAL_NRF_PIPE3, temp_adr);

  temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE4;
  hal_nrf_set_address(HAL_NRF_PIPE4, temp_adr);

  temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE5;
  hal_nrf_set_address(HAL_NRF_PIPE5, temp_adr);

  /*
  Set up default channel.
  */
  hal_nrf_set_rf_channel(gzll_channel_tab[gzll_channel_tab_index]);

  /*
  Initialize dynamic parameters using default values.
  */
  gzll_dyn_params[GZLL_PARAM_DEVICE_MODE] = GZLL_DEFAULT_PARAM_DEVICE_MODE;
  gzll_dyn_params[GZLL_PARAM_TX_TIMEOUT] = GZLL_DEFAULT_PARAM_TX_TIMEOUT;
  gzll_dyn_params[GZLL_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_ON] = GZLL_DEFAULT_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_ON;
  gzll_dyn_params[GZLL_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_OFF] = GZLL_DEFAULT_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_OFF;
  gzll_dyn_params[GZLL_PARAM_HOST_MODE] = GZLL_DEFAULT_PARAM_HOST_MODE;
  gzll_dyn_params[GZLL_PARAM_RX_PIPES] = GZLL_DEFAULT_PARAM_RX_PIPES;
  gzll_dyn_params[GZLL_PARAM_CRYPT_PIPES] = GZLL_DEFAULT_PARAM_CRYPT_PIPES;
  gzll_dyn_params[GZLL_PARAM_RX_TIMEOUT] = GZLL_DEFAULT_PARAM_RX_TIMEOUT;
  gzll_dyn_params[GZLL_PARAM_HOST_MODE_1_CYCLE_PERIOD] = GZLL_DEFAULT_PARAM_HOST_MODE_1_CYCLE_PERIOD;
  gzll_dyn_params[GZLL_PARAM_RX_PERIOD] = GZLL_DEFAULT_PARAM_RX_PERIOD;
  gzll_dyn_params[GZLL_PARAM_RX_PERIOD_MODIFIER] = GZLL_DEFAULT_PARAM_RX_PERIOD_MODIFIER;
  gzll_dyn_params[GZLL_PARAM_RX_CHANNEL_HOLD_PERIODS] = GZLL_DEFAULT_PARAM_RX_CHANNEL_HOLD_PERIODS;
  gzll_dyn_params[GZLL_PARAM_OUTPUT_POWER] = GZLL_DEFAULT_PARAM_OUTPUT_POWER;
  gzll_dyn_params[GZLL_PARAM_POWER_DOWN_IDLE_ENABLE] = GZLL_DEFAULT_PARAM_POWER_DOWN_IDLE_ENABLE;
  gzll_dyn_params[GZLL_PARAM_MAX_SYNC_PERIOD] = GZLL_DEFAULT_PARAM_MAX_SYNC_PERIOD;
  gzll_dyn_params[GZLL_PARAM_COLLISION_CHANNEL_SWITCH_LIMIT] = GZLL_DEFAULT_PARAM_COLLISION_CHANNEL_SWITCH_LIMIT;

  /*
  Set up default output power.
  */
  hal_nrf_set_output_power((hal_nrf_output_power_t) gzll_dyn_params[GZLL_PARAM_OUTPUT_POWER]);

  /*
  Static radio setup.
  */
  hal_nrf_set_datarate(GZLL_HAL_DATARATE);
  hal_nrf_set_crc_mode(GZLL_CRC);
  hal_nrf_set_address_width(GZLL_ADDRESS_WIDTH);

  /*
  Clear radio IRQ flags.
  */
  //lint -esym(534, hal_nrf_get_clear_irq_flags) "return value ignored"
  hal_nrf_get_clear_irq_flags();

  hal_nrf_flush_rx();
  hal_nrf_flush_tx();

  gzll_set_timer_period(GZLL_DEFAULT_PARAM_RX_PERIOD);
  gzll_set_system_idle();
  gzll_interupts_restore(flag);
}
예제 #5
0
void main(void) {
	int i = 0; // local counter
	int total_pkt_count = 1;
	int addr_width = 5;
	int customized_plen = 0;
	int pipe_num = 6;
	epl_rf_en_auto_ack_t auto_ack = 0;
	//int mode = 1;		// 1 for sender mode, 2 for dumper mode

	// new params
	unsigned char pipe_source;		// used to store pipe_source number
	unsigned char ACKbuf[] = "ACK";
	unsigned char temp_buf[34]; // used for dumper to get RF packets from RX FIFO
	unsigned char temp_addr[5];
	unsigned char data_length = 0;
	unsigned char dynpd_pipe;
	unsigned char addr_buf[5];
	// set pin direction
	P0EXP = 0x00;
	P0ALT = 0x00;
	P0DIR = 0x00;

	// uart init
	epl_uart_init(UART_BAUD_57K6);
	//init usb connection
	usb_init(); // Initialize USB
	EA = 1; // Enable global IRQ
	//Start RF tx mode
	epl_rf_en_quick_init(cfg);

	//Clear TX FIFO
	hal_nrf_write_reg(FLUSH_TX, 0);
	hal_nrf_write_reg(FLUSH_RX, 0);

	hal_nrf_lock_unlock();
	hal_nrf_enable_dynamic_pl();

	LED_Blink(20);
	epl_uart_putstr("start!");
	while (1) {
		usb_recv_packet();
		switch (ubuf[1]) {

		case EPL_SENDER_MODE:
			customized_plen = 0;
			for (i = 0; i < PLOAD_LEN; i++)
				packet[i] = i + 9;
			hal_nrf_close_pipe(HAL_NRF_PIPE1);
			hal_nrf_close_pipe(HAL_NRF_PIPE2);
			hal_nrf_close_pipe(HAL_NRF_PIPE3);
			hal_nrf_close_pipe(HAL_NRF_PIPE4);
			hal_nrf_close_pipe(HAL_NRF_PIPE5);
			break;

		case EPL_DUMPER_MODE:

			hal_nrf_close_pipe(HAL_NRF_PIPE1);
			hal_nrf_close_pipe(HAL_NRF_PIPE2);
			hal_nrf_close_pipe(HAL_NRF_PIPE3);
			hal_nrf_close_pipe(HAL_NRF_PIPE4);
			hal_nrf_close_pipe(HAL_NRF_PIPE5);
			break;

		case EPL_OUTPUT_POWER: 			//Host:set_output_power
			hal_nrf_set_output_power(ubuf[2]);
			epl_uart_putstr("EPL_OUTPUT_POWER\n");
			usb_send_packet(ACKbuf, 3);
			epl_uart_putstr("EPL_OUTPUT_POWER     END\n");
			break;

		case EPL_CHANNEL:
			hal_nrf_set_rf_channel(ubuf[2]);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATARATE:
			hal_nrf_set_datarate(ubuf[2]);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_ADDR_WIDTH:
			addr_width = (int) ubuf[2];
			hal_nrf_set_address_width(ubuf[2]);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P0:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P1:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P2:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P3:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P4:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_AUTOACK_P5:
			auto_ack = ubuf[2];
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATA_LENGTH_P0:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE0, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATA_LENGTH_P1:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE1, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATA_LENGTH_P2:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE2, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATA_LENGTH_P3:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE3, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;


		case EPL_DATA_LENGTH_P4:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE4, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_DATA_LENGTH_P5:
			data_length = (int) ubuf[2];
			epl_rf_en_rcv_pipe_config(HAL_NRF_PIPE5, temp_addr, data_length, auto_ack);
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_CRC_MODE:
			if (ubuf[2] == 0)
				hal_nrf_set_crc_mode(HAL_NRF_CRC_OFF);
			else if (ubuf[2] == 2)
				hal_nrf_set_crc_mode(HAL_NRF_CRC_8BIT);
			else if (ubuf[2] == 3)
				hal_nrf_set_crc_mode(HAL_NRF_CRC_16BIT);
			else
				;

			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_RX_ADDR_P0:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			hal_nrf_set_address(HAL_NRF_PIPE0, temp_addr);
			epl_rf_en_set_dst_addr(temp_addr);

			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_RX_ADDR_P1:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			usb_send_packet(ACKbuf, 3);
			break;
		case EPL_RX_ADDR_P2:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			usb_send_packet(ACKbuf, 3);
			break;
		case EPL_RX_ADDR_P3:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			usb_send_packet(ACKbuf, 3);
			break;
		case EPL_RX_ADDR_P4:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			usb_send_packet(ACKbuf, 3);
			break;
		case EPL_RX_ADDR_P5:
			for (i = 0; i < addr_width; i++) {
				temp_addr[i] = ubuf[i + 2];
			}
			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_USER_PLOAD:
			if (ubuf[2] == USRS_PLOAD) {
				customized_plen = (int) ubuf[3];

				for (i = 0; i < customized_plen; i++) {
					packet[i] = ubuf[i + 4];
				}
			} else {
				customized_plen = 0;

				for (i = 0; i < PLOAD_LEN; i++) {
					packet[i] = i + 9;
				}
			}

			usb_send_packet(ACKbuf, 3);
			break;

		case EPL_NEW_COUNTER:
			total_pkt_count = 1;
			usb_send_packet(ACKbuf, 3);
			break;

		/*20110221 celine*/
		case EPL_DYNAMIC_PD:
			dynpd_pipe = (int)ubuf[2];
			if ((int)ubuf[3] == 01){
				//hal_nrf_setup_dyn_pl(dynpd_pipe);
				hal_nrf_write_reg(DYNPD, (1<<dynpd_pipe) | hal_nrf_read_reg(DYNPD));
			} else {
				//hal_nrf_lock_unlock();
				//hal_nrf_enable_dynamic_pl();
				hal_nrf_write_reg(DYNPD, ~(1<<dynpd_pipe) & hal_nrf_read_reg(DYNPD));
			}

			usb_send_packet(ACKbuf, 3);
			break;
		/**/
		case EPL_RUN_SENDER:
			epl_rf_en_enter_tx_mode();
			// clear Tx irq
			hal_nrf_clear_irq_flag(HAL_NRF_TX_DS);
			hal_nrf_clear_irq_flag(HAL_NRF_MAX_RT);

			if (ubuf[2] == AUTO_PLOAD) {
				epl_uart_putstr("\nauto pload\r\n");
				packet[0] = total_pkt_count++;
				epl_rf_en_send(packet, data_length);

			} else {
				epl_uart_putstr("\nusrs pload\r\n");
				epl_rf_en_send(packet, customized_plen);
			}
			LED_Blink(10);

			array_cp(temp_buf, ACKbuf, 3);
			temp_buf[3] = hal_nrf_read_reg(OBSERVE_TX) & 0x0F;
			usb_send_packet(temp_buf, 4);
			epl_rf_en_enter_rx_mode();
			break;

		case EPL_RUN_DUMPER:
			hal_nrf_clear_irq_flag(HAL_NRF_RX_DR);
			hal_nrf_flush_rx();
			epl_rf_en_enter_rx_mode();
			while (1) {
				if (ubuf[1] == 0xf5) { // Host wants to terminate
					epl_uart_putstr("Terminate !\r\n");
					break;
				}else if (hal_nrf_rx_fifo_empty() == 0) { // Rx_fifo is not empty
					LED0_Toggle();
					pipe_source = hal_nrf_get_rx_data_source();
					hal_nrf_read_rx_pload(temp_buf);

					// pending the data source on last byte
					temp_buf[32] = pipe_source;
					if(hal_nrf_read_reg(DYNPD)>>(int)pipe_source)
						temp_buf[33] = hal_nrf_read_reg(RD_RX_PLOAD_W);
					else
						temp_buf[33] = hal_nrf_read_reg(RX_PW_P0+pipe_source);
//					epl_uart_putstr("temp_buf[33] = ");
//					epl_uart_puthex(temp_buf[33]);
//					epl_uart_putstr("\r\n");
					usb_send_packet(temp_buf, 34);

					if((hal_nrf_read_reg(STATUS))&0x10){
						hal_nrf_write_reg(FLUSH_TX, 0);
					}
					LED0_Toggle();
				}
			}
			break;

		case EPL_SHOW_CONFIG:
			epl_uart_putstr("\r\n0. CONFIG = ");
			epl_uart_puthex(hal_nrf_read_reg(CONFIG));
			epl_uart_putstr("\r\n1. RF_CH = ");
			epl_uart_puthex(hal_nrf_read_reg(RF_CH));
			epl_uart_putstr("\r\n2. EN_AA = ");
			epl_uart_puthex(hal_nrf_read_reg(EN_AA));
			epl_uart_putstr("\r\n3. EN_RXADDR = ");
			epl_uart_puthex(hal_nrf_read_reg(EN_RXADDR));
			epl_uart_putstr("\r\n4. TX_ADDR = ");
			hal_nrf_read_multibyte_reg(HAL_NRF_TX, addr_buf);
			epl_uart_puthex(addr_buf[0]);
			epl_uart_puthex(addr_buf[1]);
			epl_uart_puthex(addr_buf[2]);
			epl_uart_puthex(addr_buf[3]);
			epl_uart_puthex(addr_buf[4]);
			epl_uart_putstr("\r\n4. RX_ADDR_PO = ");
			hal_nrf_read_multibyte_reg(HAL_NRF_PIPE0, addr_buf);
			epl_uart_puthex(addr_buf[0]);
			epl_uart_puthex(addr_buf[1]);
			epl_uart_puthex(addr_buf[2]);
			epl_uart_puthex(addr_buf[3]);
			epl_uart_puthex(addr_buf[4]);
			epl_uart_putstr("\r\n   RX_ADDR_P1 = ");
			hal_nrf_read_multibyte_reg(HAL_NRF_PIPE1, addr_buf);
			epl_uart_puthex(addr_buf[0]);
			epl_uart_puthex(addr_buf[1]);
			epl_uart_puthex(addr_buf[2]);
			epl_uart_puthex(addr_buf[3]);
			epl_uart_puthex(addr_buf[4]);
			epl_uart_putstr("\r\n   RX_ADDR_P2 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_ADDR_P2));
			epl_uart_putstr("\r\n   RX_ADDR_P3 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_ADDR_P3));
			epl_uart_putstr("\r\n   RX_ADDR_P4 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_ADDR_P4));
			epl_uart_putstr("\r\n   RX_ADDR_P5 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_ADDR_P5));
			epl_uart_putstr("\r\n5. RX_PW_P0 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P0));
			epl_uart_putstr("\r\n   RX_PW_P1 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P1));
			epl_uart_putstr("\r\n   RX_PW_P2 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P2));
			epl_uart_putstr("\r\n   RX_PW_P3 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P3));
			epl_uart_putstr("\r\n   RX_PW_P4 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P4));
			epl_uart_putstr("\r\n   RX_PW_P5 = ");
			epl_uart_puthex(hal_nrf_read_reg(RX_PW_P5));
			epl_uart_putstr("\r\n6. RF_SETUP = ");
			epl_uart_puthex(hal_nrf_read_reg(RF_SETUP));
			epl_uart_putstr("\r\n7. STATUS = ");
			epl_uart_puthex(hal_nrf_read_reg(STATUS));
			epl_uart_putstr("\r\n8 .DYNPD = ");
			epl_uart_puthex(hal_nrf_read_reg(DYNPD));
			epl_uart_putstr("\r\n9. FEATURE = ");
			epl_uart_puthex(hal_nrf_read_reg(FEATURE));
		default:
			break;
		}// end switch case