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corrected comparison when bits don't need shifting.

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This commit is contained in:
nvt-se 2007-12-20 10:48:01 +00:00
parent 7a6a9e62e4
commit abb2731ed7
1 changed files with 23 additions and 26 deletions
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49
platform/msb430/dev/cc1020.c
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@ -103,6 +103,8 @@ const struct radio_driver cc1020_driver =
cc1020_off
};
#define MS_DELAY(x) clock_delay(354 * (x))
PROCESS(cc1020_receiver_process, "CC1020 receiver");
static void
@ -237,7 +239,7 @@ cc1020_send(const void *buf, unsigned short len)
while (cc1020_carrier_sense());
// Then wait for a short pseudo-random time before sending.
clock_delay(1 + 10 * (random_rand() & 0xff));
clock_delay(100 * ((random_rand() + 1) & 0xf));
}
// Switch to transceive mode.
@ -319,7 +321,6 @@ cc1020_off(void)
LNA_POWER_OFF(); // power down lna
s = splhigh();
//cc1020_rxstate = CC1020_OFF;
DISABLE_RX_IRQ();
cc1020_state = CC1020_OFF;
splx(s);
@ -383,7 +384,7 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
shiftbuf.b2 = shiftbuf.b3;
shiftbuf.b3 = shiftbuf.b4;
shiftbuf.b4 = RXBUF0;
if (shiftbuf.i1 == 0xAAD3 && shiftbuf.i2 == 0x9100) {
if (shiftbuf.i1 == 0xAAD3 && shiftbuf.b3 == 0x91) {
// 0 AA D3 91 00 | FF 00 |
syncbs = 0;
cc1020_rxbuf[cc1020_rxlen++] = shiftbuf.b4;
@ -438,11 +439,10 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
}
} else if (cc1020_rxlen > HDRSIZE) {
if (cc1020_rxlen == pktlen) {
// disable receiver
/* Disable interrupts while processing the packet. */
DISABLE_RX_IRQ();
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_PROCESSING);
_BIC_SR_IRQ(LPM3_bits);
// call receiver to copy from buffer
process_poll(&cc1020_receiver_process);
}
}
@ -490,7 +490,6 @@ cc1020_write_reg(uint8_t addr, uint8_t adata)
nop();
if (data & 0x80)
PDI_HIGH;
else
PDI_LOW;
data = data << 1;
@ -567,7 +566,6 @@ cc1020_load_config(const uint8_t * config)
static void
cc1020_reset(void)
{
// Reset CC1020
cc1020_write_reg(CC1020_MAIN, 0x0FU & ~0x01U);
@ -585,9 +583,9 @@ cc1020_calibrate(void)
// Start calibration
cc1020_write_reg(CC1020_CALIBRATE, 0xB5);
clock_delay(1200);
MS_DELAY(3);
while ((cc1020_read_reg(CC1020_STATUS) & CAL_COMPLETE) == 0);
clock_delay(800);
MS_DELAY(2);
// Monitor lock
for (timeout_cnt = LOCK_TIMEOUT; timeout_cnt > 0; timeout_cnt--) {
@ -617,14 +615,11 @@ cc1020_lock(void)
if (lock_status == LOCK_CONTINUOUS) {
return LOCK_OK;
} else {
// If recalibration ok
if (cc1020_calibrate())
return LOCK_RECAL_OK; // Indicate PLL in LOCK
else
return LOCK_NOK; // Indicate PLL out of LOCK
}
return cc1020_calibrate() ? LOCK_RECAL_OK : LOCK_NOK;
}
static int
cc1020_setupRX(int analog)
{
@ -635,7 +630,7 @@ cc1020_setupRX(int analog)
// Setup bias current adjustment
cc1020_write_reg(CC1020_ANALOG, analog);
clock_delay(400); // Wait for 1 msec
MS_DELAY(1);
lock_status = cc1020_lock();
// Switch RX part of CC1020 on
@ -656,7 +651,7 @@ cc1020_setupTX(int analog)
// Switch into TX, switch to freq. reg B
cc1020_write_reg(CC1020_MAIN, 0xC1);
clock_delay(400); // Wait for 1 msec
MS_DELAY(1);
lock_status = cc1020_lock();
// Restore PA_POWER
@ -694,13 +689,14 @@ cc1020_wakeupRX(int analog)
// Setup bias current adjustment.
cc1020_write_reg(CC1020_ANALOG, analog);
// Insert wait routine here, must wait for xtal oscillator to stabilise,
// typically takes 2-5ms.
clock_delay(1200); // DelayMs(5);
/*
* Wait for the crystal oscillator to stabilize.
* This typically takes 2-5 ms.
*/
MS_DELAY(5);
// Turn on bias generator.
cc1020_write_reg(CC1020_MAIN, 0x19);
clock_delay(400); // NOT NEEDED?
// Turn on frequency synthesizer.
cc1020_write_reg(CC1020_MAIN, 0x11);
@ -715,15 +711,16 @@ cc1020_wakeupTX(int analog)
// Setup bias current adjustment.
cc1020_write_reg(CC1020_ANALOG, analog);
// Insert wait routine here, must wait for xtal oscillator to stabilise,
// typically takes 2-5ms.
clock_delay(1200); // DelayMs(5);
/*
* Wait for the crystal oscillator to stabilize.
* This typically takes 2-5 ms.
*/
MS_DELAY(5);
// Turn on bias generator.
cc1020_write_reg(CC1020_MAIN, 0xD9);
clock_delay(400); // NOT NEEDED?
// Turn on frequency synthesizer.
clock_delay(400);
MS_DELAY(1);
cc1020_write_reg(CC1020_MAIN, 0xD1);
}