use old style C comments.
convert printf to PRINTF. remove unnecessary MS_DELAY calls from setupTX and setupRX.
This commit is contained in:
nvt-se
parent
15c447e57e
commit
96fbf3b853
@ -91,6 +91,8 @@
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// CC1020 driver configuration
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#define CC1020_BUFFERSIZE 128
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#define CRC_LEN 2
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// PDI (Data in) is on P21
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#define PDO (P2IN & 0x01)
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@ -1,45 +1,38 @@
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/*
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Copyright 2006, Freie Universitaet Berlin. All rights reserved.
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These sources were developed at the Freie Universitaet Berlin, Computer
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Systems and Telematics group.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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||||
notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Freie Universitaet Berlin (FUB) nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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This software is provided by FUB and the contributors on an "as is"
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basis, without any representations or warranties of any kind, express
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or implied including, but not limited to, representations or
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warranties of non-infringement, merchantability or fitness for a
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particular purpose. In no event shall FUB or contributors be liable
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for any direct, indirect, incidental, special, exemplary, or
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||||
consequential damages (including, but not limited to, procurement of
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substitute goods or services; loss of use, data, or profits; or
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business interruption) however caused and on any theory of liability,
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whether in contract, strict liability, or tort (including negligence
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or otherwise) arising in any way out of the use of this software, even
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if advised of the possibility of such damage.
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This implementation was developed by the CST group at the FUB.
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For documentation and questions please use the web site
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http://scatterweb.mi.fu-berlin.de and the mailinglist
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scatterweb@lists.spline.inf.fu-berlin.de (subscription via the Website).
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Berlin, 2006
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*/
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* Copyright 2006, Freie Universitaet Berlin. All rights reserved.
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*
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* These sources were developed at the Freie Universitaet Berlin, Computer
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* Systems and Telematics group.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of Freie Universitaet Berlin (FUB) nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* This software is provided by FUB and the contributors on an "as is"
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* basis, without any representations or warranties of any kind, express
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* or implied including, but not limited to, representations or
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* warranties of non-infringement, merchantability or fitness for a
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* particular purpose. In no event shall FUB or contributors be liable
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* for any direct, indirect, incidental, special, exemplary, or
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||||
* consequential damages (including, but not limited to, procurement of
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* substitute goods or services; loss of use, data, or profits; or
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* business interruption) however caused and on any theory of liability,
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* whether in contract, strict liability, or tort (including negligence
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* or otherwise) arising in any way out of the use of this software,
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* even if advised of the possibility of such damage.
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*
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* This implementation was originally developed by the CST group at the FUB.
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*/
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/**
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* \file cc1020.c
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@ -61,7 +54,13 @@ Berlin, 2006
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#include "dev/dma.h"
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#include "energest.h"
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#define CRC_LEN 2 // CHECKSUM
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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static int cc1020_calibrate(void);
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static int cc1020_setupTX(int);
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@ -74,21 +73,21 @@ static void cc1020_write_reg(uint8_t addr, uint8_t adata);
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static void cc1020_load_config(const uint8_t *);
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static void cc1020_reset(void);
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// current mode of cc1020 chip
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/* current mode of cc1020 chip */
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static volatile enum cc1020_state cc1020_state = CC1020_OFF;
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static volatile uint8_t cc1020_rxbuf[HDRSIZE + CC1020_BUFFERSIZE];
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static uint8_t cc1020_txbuf[PREAMBLESIZE + SYNCWDSIZE + HDRSIZE +
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CC1020_BUFFERSIZE + TAILSIZE];
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//static volatile enum cc1020_rxstate cc1020_rxstate = CC1020_RX_SEARCHING;
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/*static volatile enum cc1020_rxstate cc1020_rxstate = CC1020_RX_SEARCHING; */
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// number of bytes in receive and transmit buffers respectively.
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/* number of bytes in receive and transmit buffers respectively. */
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static uint16_t cc1020_rxlen;
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static uint16_t cc1020_txlen;
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// received signal strength indicator reading for last received packet
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/* received signal strength indicator reading for last received packet */
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static volatile uint8_t rssi;
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// callback when a packet has been received
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/* callback when a packet has been received */
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static uint8_t cc1020_pa_power = PA_POWER;
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static volatile int dma_done;
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@ -117,7 +116,7 @@ dma_callback(void)
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static void
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reset_receiver(void)
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{
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// reset receiver
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/* reset receiver */
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cc1020_rxlen = 0;
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if((cc1020_state & CC1020_TURN_OFF) && (cc1020_txlen == 0)) {
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@ -135,23 +134,23 @@ cc1020_init(const uint8_t *config)
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cc1020_reset();
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cc1020_load_config(config);
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// init tx buffer with preamble + syncword
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/* init tx buffer with preamble + syncword */
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memset(cc1020_txbuf, PREAMBLE, PREAMBLESIZE);
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memcpy((char *)cc1020_txbuf + PREAMBLESIZE, &syncword, SYNCWDSIZE);
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// calibrate receiver
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/* calibrate receiver */
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cc1020_wakeupRX(RX_CURRENT);
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if(!cc1020_calibrate()) {
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printf("rx calibration failed\n");
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PRINTF("cc1020: rx calibration failed\n");
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}
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// calibrate transmitter
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/* calibrate transmitter */
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cc1020_wakeupTX(TX_CURRENT);
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if(!cc1020_calibrate()) {
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printf("tx calibration failed\n");
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PRINTF("cc1020: tx calibration failed\n");
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}
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// power down
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/* power down */
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cc1020_setupPD();
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process_start(&cc1020_receiver_process, NULL);
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@ -165,36 +164,36 @@ cc1020_set_rx(void)
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s = splhigh();
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// Reset SEL for P3[1-3] (CC DIO, DIO, DCLK) and P3[4-5] (Camera Rx+Tx)
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/* Reset SEL for P3[1-3] (CC DIO, DIO, DCLK) and P3[4-5] (Camera Rx+Tx) */
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P3SEL &= ~0x3E;
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IFG1 &= ~(UTXIE0 | URXIE0); // Clear interrupt flags
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ME1 &= ~(UTXE0 | URXE0); // Disable Uart0 Tx + Rx
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UCTL0 = SWRST; // U0 into reset state.
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UCTL0 |= CHAR | SYNC; // 8-bit character, SPI, Slave mode
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IFG1 &= ~(UTXIE0 | URXIE0); /* Clear interrupt flags */
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ME1 &= ~(UTXE0 | URXE0); /* Disable Uart0 Tx + Rx */
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UCTL0 = SWRST; /* U0 into reset state. */
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UCTL0 |= CHAR | SYNC; /* 8-bit character, SPI, Slave mode */
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// CKPH works also, but not CKPH+CKPL or none of them!!
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/* CKPH works also, but not CKPH+CKPL or none of them!! */
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UTCTL0 = CKPL | STC;
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URCTL0 = 0x00;
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UBR00 = 0x00; // No baudrate divider
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UBR10 = 0x00; // settings for a spi
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UMCTL0 = 0x00; // slave.
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ME1 |= URXE0; // Enable USART0 RXD, disabling does not yield any powersavings
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P3SEL |= 0x0A; // Select rx line and clk
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UCTL0 &= ~SWRST; // Clear reset bit
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UBR00 = 0x00; /* No baudrate divider */
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UBR10 = 0x00; /* settings for a spi */
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UMCTL0 = 0x00; /* slave. */
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ME1 |= URXE0; /* Enable USART0 RXD, disabling does not yield any powersavings */
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P3SEL |= 0x0A; /* Select rx line and clk */
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UCTL0 &= ~SWRST; /* Clear reset bit */
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splx(s);
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// configure driver
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cc1020_rxlen = 0; // receive buffer position to start
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CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING); // driver state to receive mode
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/* configure driver */
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cc1020_rxlen = 0; /* receive buffer position to start */
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CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING); /* driver state to receive mode */
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// configure radio
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/* configure radio */
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ENERGEST_ON(ENERGEST_TYPE_LISTEN);
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cc1020_wakeupRX(RX_CURRENT);
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cc1020_setupRX(RX_CURRENT);
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LNA_POWER_ON(); // enable amplifier
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LNA_POWER_ON(); /* enable amplifier */
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// activate
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IE1 |= URXIE0; // enable interrupt
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/* activate */
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IE1 |= URXIE0; /* enable interrupt */
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}
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void
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@ -202,23 +201,23 @@ cc1020_set_tx(void)
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{
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int s;
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// configure radio rx
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/* configure radio rx */
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ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
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LNA_POWER_OFF(); // power down LNA
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LNA_POWER_OFF(); /* power down LNA */
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s = splhigh();
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DISABLE_RX_IRQ();
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P3SEL &= ~0x02; // Ensure Rx line is off
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P3SEL &= ~0x02; /* Ensure Rx line is off */
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splx(s);
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// configure radio tx
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/* configure radio tx */
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ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
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cc1020_wakeupTX(TX_CURRENT);
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cc1020_setupTX(TX_CURRENT);
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P3SEL |= 0x0C; // select Tx line and clk
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U0CTL |= SWRST; // UART to reset mode
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IFG1 &= ~UTXIFG0; // Reset IFG.
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P3SEL |= 0x0C; /* select Tx line and clk */
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U0CTL |= SWRST; /* UART to reset mode */
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IFG1 &= ~UTXIFG0; /* Reset IFG. */
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// configure driver
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/* configure driver */
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CC1020_SET_OPSTATE(CC1020_TX);
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}
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@ -234,7 +233,7 @@ cc1020_send(const void *buf, unsigned short len)
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int try;
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int normal_header = HDRSIZE + len;
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int i;
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uint16_t rxcrc = 0xFFFF; // For checksum purposes
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uint16_t rxcrc = 0xFFFF; /* For checksum purposes */
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if(cc1020_state == CC1020_OFF) {
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return -2;
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@ -247,11 +246,11 @@ cc1020_send(const void *buf, unsigned short len)
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/* The preamble and the sync word are already in buffer. */
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cc1020_txlen = PREAMBLESIZE + SYNCWDSIZE;
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// header
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/* header */
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cc1020_txbuf[cc1020_txlen++] = 0x00;
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cc1020_txbuf[cc1020_txlen++] = normal_header + CRC_LEN;
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// Adding the checksum on header and data
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/* Adding the checksum on header and data */
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rxcrc = crc16_add((uint8_t) (normal_header & 0xff), rxcrc);
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rxcrc = crc16_add((uint8_t) ((normal_header >> 8)& 0xff), rxcrc);
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@ -259,19 +258,19 @@ cc1020_send(const void *buf, unsigned short len)
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rxcrc = crc16_add((uint8_t) ((char*)buf)[i], rxcrc);
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}
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// data to send
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/* data to send */
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memcpy((char *)cc1020_txbuf + cc1020_txlen, buf, len);
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cc1020_txlen += len;
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// Send checksum
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/* Send checksum */
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cc1020_txbuf[cc1020_txlen++] = (uint8_t)(rxcrc >> 8);
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cc1020_txbuf[cc1020_txlen++] = (uint8_t)(rxcrc & 0xFF);
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// suffix
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/* suffix */
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cc1020_txbuf[cc1020_txlen++] = TAIL;
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cc1020_txbuf[cc1020_txlen++] = TAIL;
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// Wait for the medium to become idle.
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/* Wait for the medium to become idle. */
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if(cc1020_carrier_sense()) {
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for(try = 0; try < CC1020_CONF_CCA_TIMEOUT; try++) {
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MS_DELAY(1);
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@ -280,18 +279,18 @@ cc1020_send(const void *buf, unsigned short len)
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}
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}
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if(try == CC1020_CONF_CCA_TIMEOUT) {
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printf("CCA failed rssi: %d\n", cc1020_get_rssi());
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PRINTF("cc1020: CCA failed (RSSI %d)\n", cc1020_get_rssi());
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return -3;
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}
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// Then wait for a short pseudo-random time before sending.
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/* Then wait for a short pseudo-random time before sending. */
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clock_delay(100 * ((random_rand() + 1) & 0xf));
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}
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// Switch to transceive mode.
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/* Switch to transceive mode. */
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cc1020_set_tx();
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// Initiate radio transfer.
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/* Initiate radio transfer. */
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dma_done = 0;
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dma_transfer((unsigned char *)&TXBUF0, cc1020_txbuf, cc1020_txlen);
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while(!dma_done);
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@ -299,7 +298,7 @@ cc1020_send(const void *buf, unsigned short len)
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ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
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RIMESTATS_ADD(lltx);
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// clean up
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/* clean up */
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cc1020_txlen = 0;
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if(cc1020_state & CC1020_TURN_OFF) {
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cc1020_off();
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@ -356,15 +355,15 @@ cc1020_off(void)
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int s;
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if(cc1020_state & CC1020_RX_SEARCHING) {
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// Discard the current read buffer when the radio is shutting down.
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/* Discard the current read buffer when the radio is shutting down. */
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cc1020_rxlen = 0;
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LNA_POWER_OFF(); // power down lna
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LNA_POWER_OFF(); /* power down lna */
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s = splhigh();
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DISABLE_RX_IRQ();
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cc1020_state = CC1020_OFF;
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splx(s);
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cc1020_setupPD(); // power down radio
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cc1020_setupPD(); /* power down radio */
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ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
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cc1020_state = CC1020_OFF;
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} else {
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@ -400,7 +399,7 @@ PROCESS_THREAD(cc1020_receiver_process, ev, data)
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PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
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if(receiver_callback != NULL) {
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// CHECKSUM CHECK
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/* CHECKSUM CHECK */
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uint16_t expected_crc = 0xffff;
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uint16_t actual_crc = -1;
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actual_crc = (cc1020_rxbuf[cc1020_rxlen - CRC_LEN] << 8) | cc1020_rxbuf[cc1020_rxlen - CRC_LEN + 1];
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@ -449,29 +448,29 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
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shiftbuf.b3 = shiftbuf.b4;
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shiftbuf.b4 = RXBUF0;
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if(shiftbuf.i1 == 0xAAD3 && shiftbuf.b3 == 0x91) {
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// 0 AA D3 91 00 | FF 00 |
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/* 0 AA D3 91 00 | FF 00 | */
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syncbs = 0;
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cc1020_rxbuf[cc1020_rxlen++] = shiftbuf.b4;
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} else if(shiftbuf.i1 == 0x5569 && shiftbuf.i2 == 0xC880) {
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// 1 55 69 C8 80 | 7F 80 |
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/* 1 55 69 C8 80 | 7F 80 | */
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syncbs = -1;
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} else if(shiftbuf.i1 == 0xAAB4 && shiftbuf.i2 == 0xE440) {
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// 2 AA B4 E4 40 | 3F C0 |
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/* 2 AA B4 E4 40 | 3F C0 | */
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syncbs = -2;
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} else if(shiftbuf.i1 == 0x555A && shiftbuf.i2 == 0x7220) {
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// 3 55 5A 72 20 | 1F E0 |
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/* 3 55 5A 72 20 | 1F E0 | */
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syncbs = -3;
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} else if(shiftbuf.i1 == 0xAAAD && shiftbuf.i2 == 0x3910) {
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// 4 AA AD 39 10 | 0F F0 |
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/* 4 AA AD 39 10 | 0F F0 | */
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syncbs = -4;
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} else if(shiftbuf.i1 == 0x5556 && shiftbuf.i2 == 0x9C88) {
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// 5 55 56 9C 88 | 07 F8 |
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/* 5 55 56 9C 88 | 07 F8 | */
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syncbs = +3;
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} else if(shiftbuf.i1 == 0xAAAB && shiftbuf.i2 == 0x4E44) {
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// 6 AA AB 4E 44 | 03 FC |
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/* 6 AA AB 4E 44 | 03 FC | */
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syncbs = +2;
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} else if(shiftbuf.i1 == 0x5555 && shiftbuf.i2 == 0xA722) {
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// 7 55 55 A7 22 | 01 FE |
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/* 7 55 55 A7 22 | 01 FE | */
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syncbs = +1;
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} else {
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return;
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@ -522,7 +521,7 @@ cc1020_write_reg(uint8_t addr, uint8_t adata)
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data = addr << 1;
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PSEL_ON;
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// Send address bits
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/* Send address bits */
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for(i = 0; i < 7; i++) {
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PCLK_LOW;
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if(data & 0x80) {
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@ -535,15 +534,15 @@ cc1020_write_reg(uint8_t addr, uint8_t adata)
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nop();
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}
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// Send read/write bit
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// Ignore bit in data, always use 1
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/* Send read/write bit */
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/* Ignore bit in data, always use 1 */
|
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PCLK_LOW;
|
||||
PDI_HIGH;
|
||||
PCLK_HIGH;
|
||||
nop();
|
||||
data = adata;
|
||||
|
||||
// Send data bits
|
||||
/* Send data bits */
|
||||
for(i = 0; i < 8; i++) {
|
||||
PCLK_LOW;
|
||||
if(data & 0x80) {
|
||||
@ -569,7 +568,7 @@ cc1020_read_reg(uint8_t addr)
|
||||
data = addr << 1;
|
||||
PSEL_ON;
|
||||
|
||||
// Send address bits
|
||||
/* Send address bits */
|
||||
for(i = 0; i < 7; i++) {
|
||||
PCLK_LOW;
|
||||
if(data & 0x80) {
|
||||
@ -582,15 +581,15 @@ cc1020_read_reg(uint8_t addr)
|
||||
nop();
|
||||
}
|
||||
|
||||
// Send read/write bit
|
||||
// Ignore bit in data, always use 0
|
||||
/* Send read/write bit */
|
||||
/* Ignore bit in data, always use 0 */
|
||||
PCLK_LOW;
|
||||
PDI_LOW;
|
||||
PCLK_HIGH;
|
||||
nop();
|
||||
PCLK_LOW;
|
||||
|
||||
// Receive data bits
|
||||
/* Receive data bits */
|
||||
for(i = 0; i < 8; i++) {
|
||||
nop();
|
||||
PCLK_HIGH;
|
||||
@ -619,10 +618,10 @@ cc1020_load_config(const uint8_t * config)
|
||||
static void
|
||||
cc1020_reset(void)
|
||||
{
|
||||
// Reset CC1020
|
||||
/* Reset CC1020 */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x0FU & ~0x01U);
|
||||
|
||||
// Bring CC1020 out of reset
|
||||
/* Bring CC1020 out of reset */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x1F);
|
||||
}
|
||||
|
||||
@ -631,26 +630,26 @@ cc1020_calibrate(void)
|
||||
{
|
||||
unsigned int timeout_cnt;
|
||||
|
||||
// Turn off PA to avoid spurs during calibration in TX mode
|
||||
/* Turn off PA to avoid spurs during calibration in TX mode */
|
||||
cc1020_write_reg(CC1020_PA_POWER, 0x00);
|
||||
|
||||
// Start calibration
|
||||
/* Start calibration */
|
||||
cc1020_write_reg(CC1020_CALIBRATE, 0xB5);
|
||||
MS_DELAY(3);
|
||||
while((cc1020_read_reg(CC1020_STATUS) & CAL_COMPLETE) == 0);
|
||||
MS_DELAY(2);
|
||||
|
||||
// Monitor lock
|
||||
/* Monitor lock */
|
||||
for(timeout_cnt = LOCK_TIMEOUT; timeout_cnt > 0; timeout_cnt--) {
|
||||
if(cc1020_read_reg(CC1020_STATUS) & LOCK_CONTINUOUS) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Restore PA_POWER
|
||||
/* Restore PA_POWER */
|
||||
cc1020_write_reg(CC1020_PA_POWER, cc1020_pa_power);
|
||||
|
||||
// Return state of LOCK_CONTINUOUS bit
|
||||
/* Return state of LOCK_CONTINUOUS bit */
|
||||
return (cc1020_read_reg(CC1020_STATUS) & LOCK_CONTINUOUS) == LOCK_CONTINUOUS;
|
||||
}
|
||||
|
||||
@ -660,7 +659,7 @@ cc1020_lock(void)
|
||||
char lock_status;
|
||||
int i;
|
||||
|
||||
// Monitor LOCK, lasts 420 - 510 cycles @ 4505600 = 93 us - 113 us
|
||||
/* Monitor LOCK, lasts 420 - 510 cycles @ 4505600 = 93 us - 113 us */
|
||||
for(i = LOCK_TIMEOUT; i > 0; i--) {
|
||||
lock_status = cc1020_read_reg(CC1020_STATUS) & LOCK_CONTINUOUS;
|
||||
if(lock_status) {
|
||||
@ -680,15 +679,14 @@ cc1020_setupRX(int analog)
|
||||
{
|
||||
char lock_status;
|
||||
|
||||
// Switch into RX, switch to freq. reg A
|
||||
/* Switch into RX, switch to freq. reg A */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x01);
|
||||
MS_DELAY(1);
|
||||
lock_status = cc1020_lock();
|
||||
|
||||
// Switch RX part of CC1020 on
|
||||
/* Switch RX part of CC1020 on */
|
||||
cc1020_write_reg(CC1020_INTERFACE, 0x02);
|
||||
|
||||
// Return LOCK status to application
|
||||
/* Return LOCK status to application */
|
||||
return lock_status;
|
||||
}
|
||||
|
||||
@ -697,18 +695,17 @@ cc1020_setupTX(int analog)
|
||||
{
|
||||
char lock_status;
|
||||
|
||||
// Switch into TX, switch to freq. reg B
|
||||
/* Switch into TX, switch to freq. reg B */
|
||||
cc1020_write_reg(CC1020_MAIN, 0xC1);
|
||||
MS_DELAY(1);
|
||||
lock_status = cc1020_lock();
|
||||
|
||||
// Restore PA_POWER
|
||||
/* Restore PA_POWER */
|
||||
cc1020_write_reg(CC1020_PA_POWER, cc1020_pa_power);
|
||||
|
||||
// Turn OFF DCLK squelch in TX
|
||||
/* Turn OFF DCLK squelch in TX */
|
||||
cc1020_write_reg(CC1020_INTERFACE, 0x01);
|
||||
|
||||
// Return LOCK status to application
|
||||
/* Return LOCK status to application */
|
||||
return lock_status;
|
||||
}
|
||||
|
||||
@ -731,10 +728,10 @@ cc1020_setupPD(void)
|
||||
static void
|
||||
cc1020_wakeupRX(int analog)
|
||||
{
|
||||
// Turn on crystal oscillator core.
|
||||
/* Turn on crystal oscillator core. */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x1B);
|
||||
|
||||
// Setup bias current adjustment.
|
||||
/* Setup bias current adjustment. */
|
||||
cc1020_write_reg(CC1020_ANALOG, analog);
|
||||
|
||||
/*
|
||||
@ -743,20 +740,20 @@ cc1020_wakeupRX(int analog)
|
||||
*/
|
||||
MS_DELAY(5);
|
||||
|
||||
// Turn on bias generator.
|
||||
/* Turn on bias generator. */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x19);
|
||||
|
||||
// Turn on frequency synthesizer.
|
||||
/* Turn on frequency synthesizer. */
|
||||
cc1020_write_reg(CC1020_MAIN, 0x11);
|
||||
}
|
||||
|
||||
static void
|
||||
cc1020_wakeupTX(int analog)
|
||||
{
|
||||
// Turn on crystal oscillator core.
|
||||
/* Turn on crystal oscillator core. */
|
||||
cc1020_write_reg(CC1020_MAIN, 0xDB);
|
||||
|
||||
// Setup bias current adjustment.
|
||||
/* Setup bias current adjustment. */
|
||||
cc1020_write_reg(CC1020_ANALOG, analog);
|
||||
|
||||
/*
|
||||
@ -765,10 +762,10 @@ cc1020_wakeupTX(int analog)
|
||||
*/
|
||||
MS_DELAY(5);
|
||||
|
||||
// Turn on bias generator.
|
||||
/* Turn on bias generator. */
|
||||
cc1020_write_reg(CC1020_MAIN, 0xD9);
|
||||
|
||||
// Turn on frequency synthesizer.
|
||||
/* Turn on frequency synthesizer. */
|
||||
MS_DELAY(1);
|
||||
cc1020_write_reg(CC1020_MAIN, 0xD1);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user