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drivers/ng_at86rf2xx: Refactor set_freq implementation for 212B

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Uses BPSK-40 for all frequencies.
This commit is contained in:
Joakim Gebart 2015-07-20 10:57:17 +02:00
parent 95a9bd9060
commit c978c51da2
1 changed files with 27 additions and 27 deletions
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54
drivers/ng_at86rf2xx/ng_at86rf2xx_getset.c
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@ -138,38 +138,38 @@ ng_at86rf2xx_freq_t ng_at86rf2xx_get_freq(ng_at86rf2xx_t *dev)
void ng_at86rf2xx_set_freq(ng_at86rf2xx_t *dev, ng_at86rf2xx_freq_t freq)
{
uint8_t tmp1 = 0, tmp2 = 0;
tmp1 = ng_at86rf2xx_reg_read(dev, NG_AT86RF2XX_REG__TRX_CTRL_2);
tmp1 &= ~(NG_AT86RF2XX_TRX_CTRL_2_MASK__FREQ_MODE);
tmp2 = ng_at86rf2xx_reg_read(dev, NG_AT86RF2XX_REG__RF_CTRL_0);
uint8_t trx_ctrl2 = 0, rf_ctrl0 = 0;
trx_ctrl2 = ng_at86rf2xx_reg_read(dev, NG_AT86RF2XX_REG__TRX_CTRL_2);
trx_ctrl2 &= ~(NG_AT86RF2XX_TRX_CTRL_2_MASK__FREQ_MODE);
rf_ctrl0 = ng_at86rf2xx_reg_read(dev, NG_AT86RF2XX_REG__RF_CTRL_0);
/* Erase previous conf for GC_TX_OFFS */
tmp2 &= ~NG_AT86RF2XX_RF_CTRL_0_MASK__GC_TX_OFFS;
rf_ctrl0 &= ~NG_AT86RF2XX_RF_CTRL_0_MASK__GC_TX_OFFS;
if (freq == NG_AT86RF2XX_FREQ_915MHZ) {
dev->freq = NG_AT86RF2XX_FREQ_915MHZ;
/* settings used by Linux 4.0rc at86rf212b driver - BPSK-40*/
tmp1 |= NG_AT86RF2XX_TRX_CTRL_2_MASK__SUB_MODE
| NG_AT86RF2XX_TRX_CTRL_2_MASK__OQPSK_SCRAM_EN;
tmp2 |= NG_AT86RF2XX_RF_CTRL_0_GC_TX_OFFS__2DB;
trx_ctrl2 |= NG_AT86RF2XX_TRX_CTRL_2_MASK__SUB_MODE;
rf_ctrl0 |= NG_AT86RF2XX_RF_CTRL_0_GC_TX_OFFS__2DB;
if (dev->chan == 0) {
ng_at86rf2xx_set_chan(dev,NG_AT86RF2XX_DEFAULT_CHANNEL);
} else {
ng_at86rf2xx_set_chan(dev,dev->chan);
}
} else if (freq == NG_AT86RF2XX_FREQ_868MHZ) {
dev->freq = NG_AT86RF2XX_FREQ_868MHZ;
/* OQPSK-SIN-RC-100 IEEE802.15.4 for 868,3MHz */
tmp1 |= NG_AT86RF2XX_TRX_CTRL_2_MASK__BPSK_OQPSK;
tmp2 |= NG_AT86RF2XX_RF_CTRL_0_GC_TX_OFFS__1DB;
switch(freq) {
case NG_AT86RF2XX_FREQ_915MHZ:
if (dev->chan == 0) {
ng_at86rf2xx_set_chan(dev,NG_AT86RF2XX_DEFAULT_CHANNEL);
} else {
ng_at86rf2xx_set_chan(dev,dev->chan);
}
break;
/* Channel = 0 for 868MHz means 868.3MHz, only one available */
ng_at86rf2xx_set_chan(dev,0x00);
} else {
return;
case NG_AT86RF2XX_FREQ_868MHZ:
/* Channel = 0 for 868MHz means 868.3MHz, only one available */
ng_at86rf2xx_set_chan(dev,0x00);
break;
default:
DEBUG("ng_at86rf2xx: Trying to set unknown frequency 0x%lx\n",
(unsigned long) freq);
return;
}
ng_at86rf2xx_reg_write(dev, NG_AT86RF2XX_REG__TRX_CTRL_2, tmp1);
ng_at86rf2xx_reg_write(dev, NG_AT86RF2XX_REG__RF_CTRL_0, tmp2);
dev->freq = freq;
ng_at86rf2xx_reg_write(dev, NG_AT86RF2XX_REG__TRX_CTRL_2, trx_ctrl2);
ng_at86rf2xx_reg_write(dev, NG_AT86RF2XX_REG__RF_CTRL_0, rf_ctrl0);
}
#endif