X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Flink-mso19%2Fprotocol.c;fp=hardware%2Flink-mso19%2Fprotocol.c;h=6f4be15b9cae187c828e8eb8852c7db7545dd74f;hb=4b719338ccf3add3f872e8cd7549bddf818c4360;hp=5c879dd19ee76e36288aa76d605a2dda040d79c0;hpb=def5c35c4c4a4f62ffc8800a1e2d7154e8fc4bd3;p=libsigrok.git diff --git a/hardware/link-mso19/protocol.c b/hardware/link-mso19/protocol.c index 5c879dd1..6f4be15b 100644 --- a/hardware/link-mso19/protocol.c +++ b/hardware/link-mso19/protocol.c @@ -22,6 +22,140 @@ extern SR_PRIV struct sr_dev_driver link_mso19_driver_info; static struct sr_dev_driver *di = &link_mso19_driver_info; +SR_PRIV int mso_configure_trigger(struct sr_dev_inst *sdi) +{ + struct dev_context *devc = sdi->priv; + uint16_t ops[16]; + uint16_t dso_trigger = mso_calc_raw_from_mv(devc); + + dso_trigger &= 0x3ff; + if ((!devc->trigger_slope && devc->trigger_chan == 1) || + (devc->trigger_slope && + (devc->trigger_chan == 0 || + devc->trigger_chan == 2 || + devc->trigger_chan == 3))) + dso_trigger |= 0x400; + + switch (devc->trigger_chan) { + case 1: + dso_trigger |= 0xe000; + case 2: + dso_trigger |= 0x4000; + break; + case 3: + dso_trigger |= 0x2000; + break; + case 4: + dso_trigger |= 0xa000; + break; + case 5: + dso_trigger |= 0x8000; + break; + default: + case 0: + break; + } + + switch (devc->trigger_outsrc) { + case 1: + dso_trigger |= 0x800; + break; + case 2: + dso_trigger |= 0x1000; + break; + case 3: + dso_trigger |= 0x1800; + break; + + } + + ops[0] = mso_trans(5, devc->la_trigger); + ops[1] = mso_trans(6, devc->la_trigger_mask); + ops[2] = mso_trans(3, dso_trigger & 0xff); + ops[3] = mso_trans(4, (dso_trigger >> 8) & 0xff); + ops[4] = mso_trans(11, + devc->dso_trigger_width / SR_HZ_TO_NS(devc->cur_rate)); + + /* Select the SPI/I2C trigger config bank */ + ops[5] = mso_trans(REG_CTL2, (devc->ctlbase2 | BITS_CTL2_BANK(2))); + /* Configure the SPI/I2C protocol trigger */ + ops[6] = mso_trans(REG_PT_WORD(0), devc->protocol_trigger.word[0]); + ops[7] = mso_trans(REG_PT_WORD(1), devc->protocol_trigger.word[1]); + ops[8] = mso_trans(REG_PT_WORD(2), devc->protocol_trigger.word[2]); + ops[9] = mso_trans(REG_PT_WORD(3), devc->protocol_trigger.word[3]); + ops[10] = mso_trans(REG_PT_MASK(0), devc->protocol_trigger.mask[0]); + ops[11] = mso_trans(REG_PT_MASK(1), devc->protocol_trigger.mask[1]); + ops[12] = mso_trans(REG_PT_MASK(2), devc->protocol_trigger.mask[2]); + ops[13] = mso_trans(REG_PT_MASK(3), devc->protocol_trigger.mask[3]); + ops[14] = mso_trans(REG_PT_SPIMODE, devc->protocol_trigger.spimode); + /* Select the default config bank */ + ops[15] = mso_trans(REG_CTL2, devc->ctlbase2); + + return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); +} + +SR_PRIV int mso_configure_threshold_level(struct sr_dev_inst *sdi) +{ + struct dev_context *devc = sdi->priv; + + return mso_dac_out(sdi, la_threshold_map[devc->la_threshold]); +} + +SR_PRIV int mso_read_buffer(struct sr_dev_inst *sdi) +{ + uint16_t ops[] = { mso_trans(REG_BUFFER, 0) }; + struct dev_context *devc = sdi->priv; + + sr_dbg("Requesting buffer dump."); + return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops)); +} + +SR_PRIV int mso_arm(struct sr_dev_inst *sdi) +{ + struct dev_context *devc = sdi->priv; + uint16_t ops[] = { + mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_RESETFSM), + mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_ARM), + mso_trans(REG_CTL1, devc->ctlbase1), + }; + + sr_dbg("Requesting trigger arm."); + return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops)); +} + +SR_PRIV int mso_force_capture(struct sr_dev_inst *sdi) +{ + struct dev_context *devc = sdi->priv; + uint16_t ops[] = { + mso_trans(REG_CTL1, devc->ctlbase1 | 8), + mso_trans(REG_CTL1, devc->ctlbase1), + }; + + sr_dbg("Requesting forced capture."); + return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops)); +} + +SR_PRIV int mso_dac_out(struct sr_dev_inst *sdi, uint16_t val) +{ + struct dev_context *devc = sdi->priv; + uint16_t ops[] = { + mso_trans(REG_DAC1, (val >> 8) & 0xff), + mso_trans(REG_DAC2, val & 0xff), + mso_trans(REG_CTL1, devc->ctlbase1 | BIT_CTL1_RESETADC), + }; + + sr_dbg("Setting dac word to 0x%x.", val); + return mso_send_control_message(devc->serial, ARRAY_AND_SIZE(ops)); +} + +SR_PRIV inline uint16_t mso_calc_raw_from_mv(struct dev_context *devc) +{ + return (uint16_t) (0x200 - + ((devc->dso_trigger_voltage / devc->dso_probe_attn) / + devc->vbit)); +} + + SR_PRIV int mso_parse_serial(const char *iSerial, const char *iProduct, struct dev_context *devc) { @@ -151,7 +285,7 @@ SR_PRIV int mso_configure_rate(struct sr_dev_inst *sdi, uint32_t rate) for (i = 0; i < ARRAY_SIZE(rate_map); i++) { if (rate_map[i].rate == rate) { devc->ctlbase2 = rate_map[i].slowmode; - ret = mso_clkrate_out(sdi, rate_map[i].val); + ret = mso_clkrate_out(devc->serial, rate_map[i].val); if (ret == SR_OK) devc->cur_rate = rate; return ret;