diff options
Diffstat (limited to 'usrp2/firmware/apps/app_common_v2.c')
| -rw-r--r-- | usrp2/firmware/apps/app_common_v2.c | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/usrp2/firmware/apps/app_common_v2.c b/usrp2/firmware/apps/app_common_v2.c deleted file mode 100644 index 7716ed992..000000000 --- a/usrp2/firmware/apps/app_common_v2.c +++ /dev/null @@ -1,686 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2007,2008,2009 Free Software Foundation, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "app_common_v2.h" -#include "buffer_pool.h" -#include "memcpy_wa.h" -#include "ethernet.h" -#include "nonstdio.h" -#include "print_rmon_regs.h" -#include "db.h" -#include "db_base.h" -#include "clocks.h" -#include "u2_init.h" -#include <string.h> -#include "usrp2_i2c_addr.h" - -volatile bool link_is_up = false; // eth handler sets this -int cpu_tx_buf_dest_port = PORT_ETH; - -// If this is non-zero, this dbsm could be writing to the ethernet -dbsm_t *ac_could_be_sending_to_eth; - -static unsigned char exp_seqno __attribute__((unused)) = 0; - -static inline bool -sync_to_pps(const op_generic_t *p) -{ - timesync_regs->sync_on_next_pps = 1; - //putstr("SYNC to PPS\n"); - return true; -} - -static bool -sync_every_pps(const op_generic_t *p) -{ - if (p->ok) - timesync_regs->tick_control |= TSC_TRIGGER_EVERYPPS; - else - timesync_regs->tick_control &= ~TSC_TRIGGER_EVERYPPS; - - return true; -} - -static inline bool -config_mimo_cmd(const op_config_mimo_t *p) -{ - clocks_mimo_config(p->flags); - return true; -} - -void -set_reply_hdr(u2_eth_packet_t *reply_pkt, u2_eth_packet_t const *cmd_pkt) -{ - reply_pkt->ehdr.dst = cmd_pkt->ehdr.src; - reply_pkt->ehdr.src = *ethernet_mac_addr(); - reply_pkt->ehdr.ethertype = U2_ETHERTYPE; - reply_pkt->thdr.flags = 0; - reply_pkt->thdr.fifo_status = 0; // written by protocol engine - reply_pkt->thdr.seqno = 0; // written by protocol engine - reply_pkt->thdr.ack = 0; // written by protocol engine - u2p_set_word0(&reply_pkt->fixed, 0, CONTROL_CHAN); - reply_pkt->fixed.timestamp = timer_regs->time; -} - -static void -send_reply(unsigned char *reply, size_t reply_len) -{ - if (reply_len < 64) - reply_len = 64; - - // wait for buffer to become idle - hal_set_leds(0x4, 0x4); - while((buffer_pool_status->status & BPS_IDLE(CPU_TX_BUF)) == 0) - ; - hal_set_leds(0x0, 0x4); - - // copy reply into CPU_TX_BUF - memcpy_wa(buffer_ram(CPU_TX_BUF), reply, reply_len); - - // wait until nobody else is sending to the ethernet - if (ac_could_be_sending_to_eth){ - hal_set_leds(0x8, 0x8); - dbsm_wait_for_opening(ac_could_be_sending_to_eth); - hal_set_leds(0x0, 0x8); - } - - if (0){ - printf("sending_reply to port %d, len = %d\n", cpu_tx_buf_dest_port, (int)reply_len); - print_buffer(buffer_ram(CPU_TX_BUF), reply_len/4); - } - - // fire it off - bp_send_from_buf(CPU_TX_BUF, cpu_tx_buf_dest_port, 1, 0, reply_len/4); - - // wait for it to complete (not long, it's a small pkt) - while((buffer_pool_status->status & (BPS_DONE(CPU_TX_BUF) | BPS_ERROR(CPU_TX_BUF))) == 0) - ; - - bp_clear_buf(CPU_TX_BUF); -} - - -static size_t -op_id_cmd(const op_generic_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_id_reply_t *r = (op_id_reply_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) // no room - return 0; - - // Build reply subpacket - - r->opcode = OP_ID_REPLY; - r->len = sizeof(op_id_reply_t); - r->rid = p->rid; - r->addr = *ethernet_mac_addr(); - r->hw_rev = (u2_hw_rev_major << 8) | u2_hw_rev_minor; - // r->fpga_md5sum = ; // FIXME - // r->sw_md5sum = ; // FIXME - - return r->len; -} - - -static size_t -config_tx_v2_cmd(const op_config_tx_v2_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_config_tx_reply_v2_t *r = (op_config_tx_reply_v2_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - struct tune_result tune_result; - memset(&tune_result, 0, sizeof(tune_result)); - - bool ok = true; - - if (p->valid & CFGV_GAIN){ - ok &= db_set_gain(tx_dboard, p->gain); - } - - if (p->valid & CFGV_FREQ){ - bool was_streaming = is_streaming(); - if (was_streaming) - stop_rx_cmd(); - - u2_fxpt_freq_t f = u2_fxpt_freq_from_hilo(p->freq_hi, p->freq_lo); - bool tune_ok = db_tune(tx_dboard, f, &tune_result); - ok &= tune_ok; - print_tune_result("Tx", tune_ok, f, &tune_result); - - if (was_streaming) - restart_streaming(); - } - - if (p->valid & CFGV_INTERP_DECIM){ - int interp = p->interp; - int hb1 = 0; - int hb2 = 0; - - if (!(interp & 1)){ - hb2 = 1; - interp = interp >> 1; - } - - if (!(interp & 1)){ - hb1 = 1; - interp = interp >> 1; - } - - if (interp < MIN_CIC_INTERP || interp > MAX_CIC_INTERP) - ok = false; - else { - dsp_tx_regs->interp_rate = (hb1<<9) | (hb2<<8) | interp; - // printf("Interp: %d, register %d\n", p->interp, (hb1<<9) | (hb2<<8) | interp); - } - } - - if (p->valid & CFGV_SCALE_IQ){ - dsp_tx_regs->scale_iq = p->scale_iq; - } - - // Build reply subpacket - - r->opcode = OP_CONFIG_TX_REPLY_V2; - r->len = sizeof(*r); - r->rid = p->rid; - r->ok = ok; - r->inverted = tune_result.inverted; - r->baseband_freq_hi = u2_fxpt_freq_hi(tune_result.baseband_freq); - r->baseband_freq_lo = u2_fxpt_freq_lo(tune_result.baseband_freq); - r->duc_freq_hi = u2_fxpt_freq_hi(tune_result.dxc_freq); - r->duc_freq_lo = u2_fxpt_freq_lo(tune_result.dxc_freq); - r->residual_freq_hi = u2_fxpt_freq_hi(tune_result.residual_freq); - r->residual_freq_lo = u2_fxpt_freq_lo(tune_result.residual_freq); - return r->len; -} - -static size_t -config_rx_v2_cmd(const op_config_rx_v2_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_config_rx_reply_v2_t *r = (op_config_rx_reply_v2_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - struct tune_result tune_result; - memset(&tune_result, 0, sizeof(tune_result)); - - bool ok = true; - - if (p->valid & CFGV_GAIN){ - ok &= db_set_gain(rx_dboard, p->gain); - } - - if (p->valid & CFGV_FREQ){ - bool was_streaming = is_streaming(); - if (was_streaming) - stop_rx_cmd(); - - u2_fxpt_freq_t f = u2_fxpt_freq_from_hilo(p->freq_hi, p->freq_lo); - bool tune_ok = db_tune(rx_dboard, f, &tune_result); - ok &= tune_ok; - print_tune_result("Rx", tune_ok, f, &tune_result); - - if (was_streaming) - restart_streaming(); - } - - if (p->valid & CFGV_INTERP_DECIM){ - int decim = p->decim; - int hb1 = 0; - int hb2 = 0; - - if(!(decim & 1)) { - hb2 = 1; - decim = decim >> 1; - } - - if(!(decim & 1)) { - hb1 = 1; - decim = decim >> 1; - } - - if (decim < MIN_CIC_DECIM || decim > MAX_CIC_DECIM) - ok = false; - else { - dsp_rx_regs->decim_rate = (hb1<<9) | (hb2<<8) | decim; - // printf("Decim: %d, register %d\n", p->decim, (hb1<<9) | (hb2<<8) | decim); - } - } - - if (p->valid & CFGV_SCALE_IQ){ - dsp_rx_regs->scale_iq = p->scale_iq; - } - - // Build reply subpacket - - r->opcode = OP_CONFIG_RX_REPLY_V2; - r->len = sizeof(*r); - r->rid = p->rid; - r->ok = ok; - r->inverted = tune_result.inverted; - r->baseband_freq_hi = u2_fxpt_freq_hi(tune_result.baseband_freq); - r->baseband_freq_lo = u2_fxpt_freq_lo(tune_result.baseband_freq); - r->ddc_freq_hi = u2_fxpt_freq_hi(tune_result.dxc_freq); - r->ddc_freq_lo = u2_fxpt_freq_lo(tune_result.dxc_freq); - r->residual_freq_hi = u2_fxpt_freq_hi(tune_result.residual_freq); - r->residual_freq_lo = u2_fxpt_freq_lo(tune_result.residual_freq); - - return r->len; -} - -static size_t -read_time_cmd(const op_generic_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_read_time_reply_t *r = (op_read_time_reply_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - r->opcode = OP_READ_TIME_REPLY; - r->len = sizeof(*r); - r->rid = p->rid; - r->time = timer_regs->time; - - return r->len; -} - -static void -fill_db_info(u2_db_info_t *p, const struct db_base *db) -{ - //p->dbid = db->dbid; - p->freq_min_hi = u2_fxpt_freq_hi(db->freq_min); - p->freq_min_lo = u2_fxpt_freq_lo(db->freq_min); - p->freq_max_hi = u2_fxpt_freq_hi(db->freq_max); - p->freq_max_lo = u2_fxpt_freq_lo(db->freq_max); - p->gain_min = db->gain_min; - p->gain_max = db->gain_max; - p->gain_step_size = db->gain_step_size; -} - -static size_t -dboard_info_cmd(const op_generic_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_dboard_info_reply_t *r = (op_dboard_info_reply_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - r->opcode = OP_DBOARD_INFO_REPLY; - r->len = sizeof(*r); - r->rid = p->rid; - r->ok = true; - - fill_db_info(&r->tx_db_info, tx_dboard); - fill_db_info(&r->rx_db_info, rx_dboard); - - r->tx_db_info.dbid = read_dboard_eeprom(I2C_ADDR_TX_A); - r->rx_db_info.dbid = read_dboard_eeprom(I2C_ADDR_RX_A); - - return r->len; -} - -static size_t -peek_cmd(const op_peek_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_generic_t *r = (op_generic_t *) reply_payload; - - //putstr("peek: addr="); puthex32(p->addr); - //printf(" bytes=%u\n", p->bytes); - - if ((reply_payload_space < (sizeof(*r) + p->bytes)) || - p->bytes > MAX_SUBPKT_LEN - sizeof(op_generic_t)) { - putstr("peek: insufficient reply packet space\n"); - return 0; // FIXME do partial read? - } - - r->opcode = OP_PEEK_REPLY; - r->len = sizeof(*r)+p->bytes; - r->rid = p->rid; - r->ok = true; - - memcpy_wa(reply_payload+sizeof(*r), (void *)p->addr, p->bytes); - - return r->len; -} - -static bool -poke_cmd(const op_poke_t *p) -{ - int bytes = p->len - sizeof(*p); - //putstr("poke: addr="); puthex32(p->addr); - //printf(" bytes=%u\n", bytes); - - uint8_t *src = (uint8_t *)p + sizeof(*p); - memcpy_wa((void *)p->addr, src, bytes); - - return true; -} - -static bool -set_lo_offset_cmd(const op_freq_t *p) -{ - u2_fxpt_freq_t f = u2_fxpt_freq_from_hilo(p->freq_hi, p->freq_lo); - if (p->opcode == OP_SET_TX_LO_OFFSET) - return db_set_lo_offset(tx_dboard, f); - else - return db_set_lo_offset(rx_dboard, f); -} - -static size_t -gpio_read_cmd(const op_gpio_t *p, - void *reply_payload, size_t reply_payload_space) -{ - op_gpio_read_reply_t *r = (op_gpio_read_reply_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) // no room - return 0; - - // Build reply subpacket - - r->opcode = OP_GPIO_READ_REPLY; - r->len = sizeof(op_gpio_read_reply_t); - r->rid = p->rid; - r->ok = true; - r->mbz = 0; - r->value = hal_gpio_read(p->bank); - - return r->len; -} - -static size_t -generic_reply(const op_generic_t *p, - void *reply_payload, size_t reply_payload_space, - bool ok) -{ - op_generic_t *r = (op_generic_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - r->opcode = p->opcode | OP_REPLY_BIT; - r->len = sizeof(*r); - r->rid = p->rid; - r->ok = ok; - - return r->len; -} - -static size_t -add_eop(void *reply_payload, size_t reply_payload_space) -{ - op_generic_t *r = (op_generic_t *) reply_payload; - if (reply_payload_space < sizeof(*r)) - return 0; // no room - - r->opcode = OP_EOP; - r->len = sizeof(*r); - r->rid = 0; - r->ok = 0; - - return r->len; -} - -void -handle_control_chan_frame(u2_eth_packet_t *pkt, size_t len) -{ - unsigned char reply[sizeof(u2_eth_packet_t) + 4 * sizeof(u2_subpkt_t)] _AL4; - unsigned char *reply_payload = &reply[sizeof(u2_eth_packet_t)]; - int reply_payload_space = sizeof(reply) - sizeof(u2_eth_packet_t); - - // initialize reply - memset(reply, 0, sizeof(reply)); - set_reply_hdr((u2_eth_packet_t *) reply, pkt); - - // point to beginning of payload (subpackets) - unsigned char *payload = ((unsigned char *) pkt) + sizeof(u2_eth_packet_t); - int payload_len = len - sizeof(u2_eth_packet_t); - - size_t subpktlen = 0; - bool ok = false; - - while (payload_len >= sizeof(op_generic_t)){ - const op_generic_t *gp = (const op_generic_t *) payload; - subpktlen = 0; - - // printf("\nopcode = %d\n", gp->opcode); - - switch(gp->opcode){ - case OP_EOP: // end of subpackets - goto end_of_subpackets; - - case OP_ID: - subpktlen = op_id_cmd(gp, reply_payload, reply_payload_space); - break; - - case OP_CONFIG_TX_V2: - subpktlen = config_tx_v2_cmd((op_config_tx_v2_t *) payload, reply_payload, reply_payload_space); - break; - - case OP_CONFIG_RX_V2: - subpktlen = config_rx_v2_cmd((op_config_rx_v2_t *) payload, reply_payload, reply_payload_space); - break; - - case OP_START_RX_STREAMING: - if (pkt->fixed.timestamp == -1) // Start now (default) - start_rx_streaming_cmd(&pkt->ehdr.src, (op_start_rx_streaming_t *) payload); - else - start_rx_streaming_at_cmd(&pkt->ehdr.src, (op_start_rx_streaming_t *)payload, pkt->fixed.timestamp); - ok = true; - goto generic_reply; - - case OP_STOP_RX: - stop_rx_cmd(); - ok = true; - goto generic_reply; - - case OP_RX_ANTENNA: - ok = db_set_antenna(rx_dboard, ((op_config_mimo_t *)payload)->flags); - goto generic_reply; - - case OP_TX_ANTENNA: - ok = db_set_antenna(tx_dboard, ((op_config_mimo_t *)payload)->flags); - goto generic_reply; - - case OP_BURN_MAC_ADDR: - ok = ethernet_set_mac_addr(&((op_burn_mac_addr_t *)payload)->addr); - goto generic_reply; - - case OP_CONFIG_MIMO: - ok = config_mimo_cmd((op_config_mimo_t *) payload); - goto generic_reply; - - case OP_READ_TIME: - subpktlen = read_time_cmd(gp, reply_payload, reply_payload_space); - break; - - case OP_DBOARD_INFO: - subpktlen = dboard_info_cmd(gp, reply_payload, reply_payload_space); - break; - - case OP_SYNC_TO_PPS: - sync_to_pps((op_generic_t *) payload); - ok = true; - goto generic_reply; - - case OP_PEEK: - subpktlen = peek_cmd((op_peek_t *)payload, reply_payload, reply_payload_space); - break; - - case OP_POKE: - ok = poke_cmd((op_poke_t *)payload); - goto generic_reply; - - case OP_SET_TX_LO_OFFSET: - case OP_SET_RX_LO_OFFSET: - ok = set_lo_offset_cmd((op_freq_t *)payload); - goto generic_reply; - - case OP_RESET_DB: - db_init(); - ok = true; - goto generic_reply; - - case OP_SYNC_EVERY_PPS: - ok = sync_every_pps((op_generic_t *) payload); - goto generic_reply; - - case OP_GPIO_SET_DDR: - ok = true; - hal_gpio_set_ddr(((op_gpio_t *)payload)->bank, - ((op_gpio_t *)payload)->value, - ((op_gpio_t *)payload)->mask); - goto generic_reply; - - case OP_GPIO_SET_SELS: - ok = true; - hal_gpio_set_sels(((op_gpio_set_sels_t *)payload)->bank, - (char *)(&((op_gpio_set_sels_t *)payload)->sels)); - goto generic_reply; - - case OP_GPIO_READ: - subpktlen = gpio_read_cmd((op_gpio_t *) payload, reply_payload, reply_payload_space); - break; - - case OP_GPIO_WRITE: - ok = true; - hal_gpio_write(((op_gpio_t *)payload)->bank, - ((op_gpio_t *)payload)->value, - ((op_gpio_t *)payload)->mask); - goto generic_reply; - - case OP_GPIO_STREAM: - ok = true; - dsp_rx_regs->gpio_stream_enable = (uint32_t)((op_gpio_t *)payload)->value; - goto generic_reply; - - // Add new opcode handlers here - - generic_reply: - subpktlen = generic_reply(gp, reply_payload, reply_payload_space, ok); - break; - - default: - printf("app_common_v2: unhandled opcode = %d\n", gp->opcode); - break; - } - - int t = (gp->len + 3) & ~3; // bump to a multiple of 4 - payload += t; - payload_len -= t; - - subpktlen = (subpktlen + 3) & ~3; // bump to a multiple of 4 - reply_payload += subpktlen; - reply_payload_space -= subpktlen; - } - - end_of_subpackets: - - // add the EOP marker - subpktlen = add_eop(reply_payload, reply_payload_space); - subpktlen = (subpktlen + 3) & ~3; // bump to a multiple of 4 - reply_payload += subpktlen; - reply_payload_space -= subpktlen; - - send_reply(reply, reply_payload - reply); -} - - -/* - * Called when an ethernet packet is received. - * Return true if we handled it here, otherwise - * it'll be passed on to the DSP Tx pipe - */ -bool -eth_pkt_inspector(dbsm_t *sm, int bufno) -{ - u2_eth_packet_t *pkt = (u2_eth_packet_t *) buffer_ram(bufno); - size_t byte_len = (buffer_pool_status->last_line[bufno] - 1) * 4; - - //static size_t last_len = 0; - - // hal_toggle_leds(0x1); - - // inspect rcvd frame and figure out what do do. - - if (pkt->ehdr.ethertype != U2_ETHERTYPE) - return true; // ignore, probably bogus PAUSE frame from MAC - - int chan = u2p_chan(&pkt->fixed); - - switch (chan){ - case CONTROL_CHAN: - handle_control_chan_frame(pkt, byte_len); - return true; // we handled the packet - break; - - case 0: - default: -#if 0 - if (last_len != 0){ - if (byte_len != last_len){ - printf("Len: %d last: %d\n", byte_len, last_len); - } - } - last_len = byte_len; - - if((pkt->thdr.seqno) == exp_seqno){ - exp_seqno++; - //putchar('.'); - } - else { - // putchar('S'); - //printf("S%d %d ",exp_seqno,pkt->thdr.seqno); - exp_seqno = pkt->thdr.seqno + 1; - } -#endif - return false; // pass it on to Tx DSP - break; - } -} - -/* - * Called when eth phy state changes (w/ interrupts disabled) - */ -void -link_changed_callback(int speed) -{ - link_is_up = speed != 0; - hal_set_leds(link_is_up ? LED_RJ45 : 0x0, LED_RJ45); - printf("\neth link changed: speed = %d\n", speed); -} - - -void -print_tune_result(char *msg, bool tune_ok, - u2_fxpt_freq_t target_freq, struct tune_result *r) -{ -#if 0 - printf("db_tune %s %s\n", msg, tune_ok ? "true" : "false"); - putstr(" target_freq "); print_fxpt_freq(target_freq); newline(); - putstr(" baseband_freq "); print_fxpt_freq(r->baseband_freq); newline(); - putstr(" dxc_freq "); print_fxpt_freq(r->dxc_freq); newline(); - putstr(" residual_freq "); print_fxpt_freq(r->residual_freq); newline(); - printf(" inverted %s\n", r->inverted ? "true" : "false"); -#endif -} |