diff options
Diffstat (limited to 'usrp2/firmware/lib/db_xcvr2450.c')
| -rw-r--r-- | usrp2/firmware/lib/db_xcvr2450.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/usrp2/firmware/lib/db_xcvr2450.c b/usrp2/firmware/lib/db_xcvr2450.c index fdfeb4519..1c0c72fa9 100644 --- a/usrp2/firmware/lib/db_xcvr2450.c +++ b/usrp2/firmware/lib/db_xcvr2450.c @@ -19,6 +19,7 @@ #include <db_base.h> #include <stdio.h> #include <spi.h> +#include <hal_io.h> // RX IO Pins #define LOCKDET (1 << 15) // This is an INPUT!!! @@ -289,10 +290,15 @@ set_gpio(struct db_xcvr2450_dummy *db){ int io_rx_while_tx = EN|rx_hp; int io_tx_while_rx = HB_PA_OFF|LB_PA_OFF|rx_antsel|AD9515DIV; int io_tx_while_tx = tx_pa_sel|tx_antsel|TX_EN|AD9515DIV; - //rx_set_atr_rxval(io_rx_while_rx); //TODO write to fpga regs? - //rx_set_atr_txval(io_rx_while_tx); - //tx_set_atr_rxval(io_tx_while_rx); - //tx_set_atr_txval(io_tx_while_tx); + /*rx_set_atr_rxval(io_rx_while_rx); + rx_set_atr_txval(io_rx_while_tx); + tx_set_atr_rxval(io_tx_while_rx); + tx_set_atr_txval(io_tx_while_tx);*/ + + hal_gpio_write(GPIO_RX_BANK, io_rx_while_rx, 0xffff); //mask? + hal_gpio_write(GPIO_RX_BANK, io_rx_while_tx, 0xffff); //mask? + hal_gpio_write(GPIO_TX_BANK, io_tx_while_rx, 0xffff); //mask? + hal_gpio_write(GPIO_TX_BANK, io_tx_while_tx, 0xffff); //mask? printf("GPIO: RXRX=%04X RXTX=%04X TXRX=%04X TXTX=%04X\n", io_rx_while_rx, io_rx_while_tx, io_tx_while_rx, io_tx_while_tx); @@ -308,7 +314,7 @@ rx_read_io(){ // val = FR_RB_IO_RX_B_IO_TX_B; //else // val = FR_RB_IO_RX_A_IO_TX_A; - int t = 0;//usrp()->_read_fpga_reg(val); + int t = hal_gpio_read(GPIO_RX_BANK);//usrp()->_read_fpga_reg(val); return (t >> 16) & 0xffff; } @@ -349,7 +355,7 @@ xcvr2450_init(struct db_base *dbb){ db->common.d_rx_bb_gain = 16; // 0 = min, 31 = max (0 - 62 dB) db->common.d_txgain = 63; // 0 = min, 63 = max - /* + /*--------------------------------> !!! taken care of by db base operations // Initialize GPIO and ATR tx_write_io(TX_SAFE_IO, TX_OE_MASK); tx_write_oe(TX_OE_MASK, ~0); @@ -362,7 +368,11 @@ xcvr2450_init(struct db_base *dbb){ rx_set_atr_rxval(RX_SAFE_IO); rx_set_atr_txval(RX_SAFE_IO); rx_set_atr_mask(RX_OE_MASK); - */ + ---------------------------------------> replaced with set_gpio + * */ + + set_gpio(db); + // Initialize chipset // TODO: perform reset sequence to ensure power up defaults set_reg_standby(db); @@ -445,7 +455,8 @@ xcvr2450_set_freq(struct db_base *dbb, u2_fxpt_freq_t freq, u2_fxpt_freq_t *dc){ // d_int_div = int(floor(div)); // d_frac_div = int((div-d_int_div)*65536.0); // double actual_freq = phdet_freq*(d_int_div+(d_frac_div/65536.0))/scaler; - db->common.d_int_div = vco_freq/phdet_freq; + u2_fxpt_freq_t desired_n = U2_DOUBLE_TO_FXPT_FREQ(1.0)*vco_freq/phdet_freq; + db->common.d_int_div = u2_fxpt_freq_round_to_int(desired_n); *dc = db->common.d_int_div*phdet_freq*freq/vco_freq; |