]> sigrok.org Git - libsigrok.git/commitdiff
add cyrustek es519xx generic protocol parser
authorAurelien Jacobs <redacted>
Thu, 3 Oct 2013 20:00:22 +0000 (22:00 +0200)
committerUwe Hermann <redacted>
Sun, 6 Oct 2013 22:36:18 +0000 (00:36 +0200)
hardware/common/dmm/Makefile.am
hardware/common/dmm/es519xx.c [new file with mode: 0644]
libsigrok-internal.h

index 658b007d17cd5b11904ce310f6df14a2f8e8dee8..ccae327d2360792415a6f90af27b9e927dd82f44 100644 (file)
@@ -22,6 +22,7 @@ noinst_LTLIBRARIES = libsigrok_hw_common_dmm.la
 
 libsigrok_hw_common_dmm_la_SOURCES = \
        es51922.c \
+       es519xx.c \
        fs9721.c \
        fs9922.c \
        metex14.c \
diff --git a/hardware/common/dmm/es519xx.c b/hardware/common/dmm/es519xx.c
new file mode 100644 (file)
index 0000000..6a49ff6
--- /dev/null
@@ -0,0 +1,746 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/*
+ * Cyrustek ES519XX protocol parser.
+ *
+ * Communication parameters: Unidirectional, 2400/7o1 or 19230/7o1
+ */
+
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "es519xx: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+
+/* Factors for the respective measurement mode (0 means "invalid"). */
+static const float factors_2400_11B[8][8] = {
+       {1e-4,  1e-3,  1e-2,  1e-1, 1,    0,    0,    0   }, /* V */
+       {1e-7,  1e-6,  0,     0,    0,    0,    0,    0   }, /* uA */
+       {1e-5,  1e-4,  0,     0,    0,    0,    0,    0   }, /* mA */
+       {1e-2,  0,     0,     0,    0,    0,    0,    0   }, /* A */
+       {1e1,   1e2,   1e3,   1e4,  1e5,  1e6,  0,    0   }, /* RPM */
+       {1e-1,  1,     1e1,   1e2,  1e3,  1e4,  0,    0   }, /* Resistance */
+       {1,     1e1,   1e2,   1e3,  1e4,  1e5,  0,    0   }, /* Frequency */
+       {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */
+};
+static const float factors_19200_11B_5digits[8][8] = {
+       {1e-4,  1e-3,  1e-2,  1e-1, 1e-5, 0,    0,    0},    /* V */
+       {1e-8,  1e-7,  0,     0,    0,    0,    0,    0},    /* uA */
+       {1e-6,  1e-5,  0,     0,    0,    0,    0,    0},    /* mA */
+       {0,     1e-3,  0,     0,    0,    0,    0,    0},    /* A */
+       {1e-4,  1e-3,  1e-2,  1e-1, 1,    0,    0,    0},    /* Manual A */
+       {1e-2,  1e-1,  1,     1e1,  1e2,  1e3,  1e4,  0},    /* Resistance */
+       {1e-1,  0,     1,     1e1,  1e2,  1e3,  1e4,  0},    /* Frequency */
+       {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */
+};
+static const float factors_19200_11B_clampmeter[8][8] = {
+       {1e-3,  1e-2,  1e-1,  1,    1e-4, 0,    0,    0},    /* V */
+       {1e-7,  1e-6,  0,     0,    0,    0,    0,    0},    /* uA */
+       {1e-5,  1e-4,  0,     0,    0,    0,    0,    0},    /* mA */
+       {1e-2,  0,     0,     0,    0,    0,    0,    0},    /* A */
+       {1e-3,  1e-2,  1e-1,  1,    0,    0,    0,    0},    /* Manual A */
+       {1e-1,  1,     1e1,   1e2,  1e3,  1e4,  0,    0},    /* Resistance */
+       {1e-1,  0,     1,     1e1,  1e2,  1e3,  1e4,  0},    /* Frequency */
+       {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */
+};
+static const float factors_19200_11B[8][8] = {
+       {1e-3,  1e-2,  1e-1,  1,    1e-4, 0,    0,    0},    /* V */
+       {1e-7,  1e-6,  0,     0,    0,    0,    0,    0},    /* uA */
+       {1e-5,  1e-4,  0,     0,    0,    0,    0,    0},    /* mA */
+       {1e-3,  1e-2,  0,     0,    0,    0,    0,    0},    /* A */
+       {0,     0,     0,     0,    0,    0,    0,    0},    /* Manual A */
+       {1e-1,  1,     1e1,   1e2,  1e3,  1e4,  0,    0},    /* Resistance */
+       {1,     1e1,   1e2,   1e3,  1e4,  0,    0,    0},    /* Frequency */
+       {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 0},    /* Capacitance */
+};
+static const float factors_19200_14B[8][8] = {
+       {1e-4,  1e-3,  1e-2,  1e-1, 1e-5, 0,    0,    0},    /* V */
+       {1e-8,  1e-7,  0,     0,    0,    0,    0,    0},    /* uA */
+       {1e-6,  1e-5,  0,     0,    0,    0,    0,    0},    /* mA */
+       {1e-3,  0,     0,     0,    0,    0,    0,    0},    /* A */
+       {1e-4,  1e-3,  1e-2,  1e-1, 1,    0,    0,    0},    /* Manual A */
+       {1e-2,  1e-1,  1,     1e1,  1e2,  1e3,  1e4,  0},    /* Resistance */
+       {1e-2,  1e-1,  0,     1,    1e1,  1e2,  1e3,  1e4},  /* Frequency */
+       {1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5}, /* Capacitance */
+};
+
+static int parse_value(const uint8_t *buf, struct es519xx_info *info,
+                       float *result)
+{
+       int i, intval, nb_digits = 4 + (info->packet_size == 14);
+       float floatval;
+
+       /* Bytes 1-4 (or 5): Value (4 or 5 decimal digits) */
+       if (info->is_ol) {
+               sr_spew("Over limit.");
+               *result = INFINITY;
+               return SR_OK;
+       } else if (info->is_ul) {
+               sr_spew("Under limit.");
+               *result = INFINITY;
+               return SR_OK;
+       } else if (!isdigit(buf[1]) || !isdigit(buf[2]) ||
+                  !isdigit(buf[3]) || !isdigit(buf[4]) ||
+                  (nb_digits == 5 && !isdigit(buf[5]))) {
+               sr_err("Value contained invalid digits: %02x %02x %02x %02x "
+                      "(%c %c %c %c).", buf[1], buf[2], buf[3], buf[4],
+                      buf[1], buf[2], buf[3], buf[4]);
+               return SR_ERR;
+       }
+       intval = info->is_digit4;
+       for (i=0; i<nb_digits; i++)
+               intval = 10*intval + (buf[i+1] - '0');
+
+       /* Apply sign. */
+       intval *= info->is_sign ? -1 : 1;
+
+       floatval = (float)intval;
+
+       /* Note: The decimal point position will be parsed later. */
+
+       sr_spew("The display value is %f.", floatval);
+
+       *result = floatval;
+       return SR_OK;
+}
+
+static int parse_range(uint8_t b, float *floatval,
+                       const struct es519xx_info *info)
+{
+       int mode, idx = b - '0';
+       float factor = 0;
+
+       if (idx < 0 || idx > 7) {
+               sr_dbg("Invalid range byte / index: 0x%02x / 0x%02x.", b, idx);
+               return SR_ERR;
+       }
+
+       /* Parse range byte (depends on the measurement mode). */
+       if (info->is_voltage)
+               mode = 0; /* V */
+       else if (info->is_current && info->is_micro)
+               mode = 1; /* uA */
+       else if (info->is_current && info->is_milli)
+               mode = 2; /* mA */
+       else if (info->is_current && info->is_auto)
+               mode = 3; /* A */
+       else if (info->is_current)
+               mode = 4; /* Manual A */
+       else if (info->is_rpm)
+               mode = 4; /* RPM */
+       else if (info->is_resistance)
+               mode = 5; /* Resistance */
+       else if (info->is_frequency)
+               mode = 6; /* Frequency */
+       else if (info->is_capacitance)
+               mode = 7; /* Capacitance */
+       else {
+               sr_dbg("Invalid mode, range byte was: 0x%02x.", b);
+               return SR_ERR;
+       }
+
+       if (info->is_vbar) {
+               if (info->is_micro)
+                       factor = (const float[]){ 1e-1, 1    }[idx];
+               else if (info->is_milli)
+                       factor = (const float[]){ 1e-2, 1e-1 }[idx];
+       }
+       else if (info->baudrate == 2400)
+               factor = factors_2400_11B[mode][idx];
+       else if (info->fivedigits)
+               factor = factors_19200_11B_5digits[mode][idx];
+       else if (info->clampmeter)
+               factor = factors_19200_11B_clampmeter[mode][idx];
+       else if (info->packet_size == 11)
+               factor = factors_19200_11B[mode][idx];
+       else if (info->packet_size == 14)
+               factor = factors_19200_14B[mode][idx];
+
+       if (factor == 0) {
+               sr_dbg("Invalid factor for range byte: 0x%02x.", b);
+               return SR_ERR;
+       }
+
+       /* Apply respective factor (mode-dependent) on the value. */
+       *floatval *= factor;
+       sr_dbg("Applying factor %f, new value is %f.", factor, *floatval);
+
+       return SR_OK;
+}
+
+static void parse_flags(const uint8_t *buf, struct es519xx_info *info)
+{
+       int function = 5 + (info->packet_size == 14), status = function + 1;
+
+       /* Status Byte */
+       if (info->alt_functions) {
+               info->is_sign  = (buf[status] & (1 << 3)) != 0;
+               info->is_batt  = (buf[status] & (1 << 2)) != 0; /* Battery low */
+               info->is_ol    = (buf[status] & (1 << 1)) != 0; /* Input overflow */
+               info->is_ol   |= (buf[status] & (1 << 0)) != 0; /* Input overflow */
+       } else {
+               info->is_judge = (buf[status] & (1 << 3)) != 0;
+               info->is_sign  = (buf[status] & (1 << 2)) != 0;
+               info->is_batt  = (buf[status] & (1 << 1)) != 0; /* Battery low */
+               info->is_ol    = (buf[status] & (1 << 0)) != 0; /* Input overflow */
+       }
+
+       if (info->packet_size == 14) {
+               /* Option 1 Byte */
+               info->is_max   = (buf[8] & (1 << 3)) != 0;
+               info->is_min   = (buf[8] & (1 << 2)) != 0;
+               info->is_rel   = (buf[8] & (1 << 1)) != 0;
+               info->is_rmr   = (buf[8] & (1 << 0)) != 0;
+
+               /* Option 2 Byte */
+               info->is_ul    = (buf[9] & (1 << 3)) != 0;
+               info->is_pmax  = (buf[9] & (1 << 2)) != 0;
+               info->is_pmin  = (buf[9] & (1 << 1)) != 0;
+
+               /* Option 3 Byte */
+               info->is_dc    = (buf[10] & (1 << 3)) != 0;
+               info->is_ac    = (buf[10] & (1 << 2)) != 0;
+               info->is_auto  = (buf[10] & (1 << 1)) != 0;
+               info->is_vahz  = (buf[10] & (1 << 0)) != 0;
+
+               if (info->selectable_lpf) {
+                       /* Option 4 Byte */
+                       info->is_hold  = (buf[11] & (1 << 3)) != 0;
+                       info->is_vbar  = (buf[11] & (1 << 2)) != 0;
+                       info->is_lpf1  = (buf[11] & (1 << 1)) != 0;
+                       info->is_lpf0  = (buf[11] & (1 << 0)) != 0;
+               } else {
+                       /* Option 4 Byte */
+                       info->is_vbar  = (buf[11] & (1 << 2)) != 0;
+                       info->is_hold  = (buf[11] & (1 << 1)) != 0;
+                       info->is_lpf1  = (buf[11] & (1 << 0)) != 0;
+               }
+       } else if (info->alt_functions) {
+               /* Option 2 Byte */
+               info->is_dc    = (buf[8] & (1 << 3)) != 0;
+               info->is_auto  = (buf[8] & (1 << 2)) != 0;
+               info->is_apo   = (buf[8] & (1 << 0)) != 0;
+               info->is_ac    = !info->is_dc;
+       } else {
+               /* Option 1 Byte */
+               if (info->baudrate == 2400) {
+                       info->is_pmax   = (buf[7] & (1 << 3)) != 0;
+                       info->is_pmin   = (buf[7] & (1 << 2)) != 0;
+                       info->is_vahz   = (buf[7] & (1 << 0)) != 0;
+               } else if (info->fivedigits) {
+                       info->is_ul     = (buf[7] & (1 << 3)) != 0;
+                       info->is_pmax   = (buf[7] & (1 << 2)) != 0;
+                       info->is_pmin   = (buf[7] & (1 << 1)) != 0;
+                       info->is_digit4 = (buf[7] & (1 << 0)) != 0;
+               } else if (info->clampmeter) {
+                       info->is_ul     = (buf[7] & (1 << 3)) != 0;
+                       info->is_vasel  = (buf[7] & (1 << 2)) != 0;
+                       info->is_vbar   = (buf[7] & (1 << 1)) != 0;
+               } else {
+                       info->is_hold   = (buf[7] & (1 << 3)) != 0;
+                       info->is_max    = (buf[7] & (1 << 2)) != 0;
+                       info->is_min    = (buf[7] & (1 << 1)) != 0;
+               }
+
+               /* Option 2 Byte */
+               info->is_dc    = (buf[8] & (1 << 3)) != 0;
+               info->is_ac    = (buf[8] & (1 << 2)) != 0;
+               info->is_auto  = (buf[8] & (1 << 1)) != 0;
+               if (info->baudrate == 2400)
+                       info->is_apo  = (buf[8] & (1 << 0)) != 0;
+               else
+                       info->is_vahz = (buf[8] & (1 << 0)) != 0;
+       }
+
+       /* Function Byte */
+       if (info->alt_functions) {
+               switch (buf[function]) {
+               case 0x3f: /* A */
+                       info->is_current = info->is_auto = TRUE;
+                       break;
+               case 0x3e: /* uA */
+                       info->is_current = info->is_micro = info->is_auto = TRUE;
+                       break;
+               case 0x3d: /* mA */
+                       info->is_current = info->is_milli = info->is_auto = TRUE;
+                       break;
+               case 0x3c: /* V */
+                       info->is_voltage = TRUE;
+                       break;
+               case 0x37: /* Resistance */
+                       info->is_resistance = TRUE;
+                       break;
+               case 0x36: /* Continuity */
+                       info->is_continuity = TRUE;
+                       break;
+               case 0x3b: /* Diode */
+                       info->is_diode = TRUE;
+                       break;
+               case 0x3a: /* Frequency */
+                       info->is_frequency = TRUE;
+                       break;
+               case 0x34: /* ADP0 */
+               case 0x35: /* ADP0 */
+                       info->is_adp0 = TRUE;
+                       break;
+               case 0x38: /* ADP1 */
+               case 0x39: /* ADP1 */
+                       info->is_adp1 = TRUE;
+                       break;
+               case 0x32: /* ADP2 */
+               case 0x33: /* ADP2 */
+                       info->is_adp2 = TRUE;
+                       break;
+               case 0x30: /* ADP3 */
+               case 0x31: /* ADP3 */
+                       info->is_adp3 = TRUE;
+                       break;
+               default:
+                       sr_err("Invalid function byte: 0x%02x.", buf[function]);
+                       break;
+               }
+       } else {
+               switch (buf[function]) {
+               case 0x3b: /* V */
+                       info->is_voltage = TRUE;
+                       break;
+               case 0x3d: /* uA */
+                       info->is_current = info->is_micro = info->is_auto = TRUE;
+                       break;
+               case 0x3f: /* mA */
+                       info->is_current = info->is_milli = info->is_auto = TRUE;
+                       break;
+               case 0x30: /* A */
+                       info->is_current = info->is_auto = TRUE;
+                       break;
+               case 0x39: /* Manual A */
+                       info->is_current = TRUE;
+                       info->is_auto = FALSE; /* Manual mode */
+                       break;
+               case 0x33: /* Resistance */
+                       info->is_resistance = TRUE;
+                       break;
+               case 0x35: /* Continuity */
+                       info->is_continuity = TRUE;
+                       break;
+               case 0x31: /* Diode */
+                       info->is_diode = TRUE;
+                       break;
+               case 0x32: /* Frequency / RPM / duty cycle */
+                       if (info->packet_size == 14) {
+                               if (info->is_judge)
+                                       info->is_frequency = TRUE;
+                               else
+                                       info->is_duty_cycle = TRUE;
+                       } else {
+                               if (info->is_judge)
+                                       info->is_rpm = TRUE;
+                               else
+                                       info->is_frequency = TRUE;
+                       }
+                       break;
+               case 0x36: /* Capacitance */
+                       info->is_capacitance = TRUE;
+                       break;
+               case 0x34: /* Temperature */
+                       info->is_temperature = TRUE;
+                       if (info->is_judge)
+                               info->is_celsius = TRUE;
+                       else
+                               info->is_fahrenheit = TRUE;
+                       break;
+               case 0x3e: /* ADP0 */
+                       info->is_adp0 = TRUE;
+                       break;
+               case 0x3c: /* ADP1 */
+                       info->is_adp1 = TRUE;
+                       break;
+               case 0x38: /* ADP2 */
+                       info->is_adp2 = TRUE;
+                       break;
+               case 0x3a: /* ADP3 */
+                       info->is_adp3 = TRUE;
+                       break;
+               default:
+                       sr_err("Invalid function byte: 0x%02x.", buf[function]);
+                       break;
+               }
+       }
+
+       if (info->is_current && (info->is_micro || info->is_milli) && info->is_vasel) {
+               info->is_current = info->is_auto = FALSE;
+               info->is_voltage = TRUE;
+       }
+
+       if (info->baudrate == 2400) {
+               /* inverted mapping between mA and A, and no manual A */
+               if (info->is_current && (info->is_milli || !info->is_auto)) {
+                       info->is_milli = !info->is_milli;
+                       info->is_auto = TRUE;
+               }
+       }
+}
+
+static void handle_flags(struct sr_datafeed_analog *analog,
+                         float *floatval, const struct es519xx_info *info)
+{
+       /*
+        * Note: is_micro etc. are not used directly to multiply/divide
+        * floatval, this is handled via parse_range() and factors[][].
+        */
+
+       /* Measurement modes */
+       if (info->is_voltage) {
+               analog->mq = SR_MQ_VOLTAGE;
+               analog->unit = SR_UNIT_VOLT;
+       }
+       if (info->is_current) {
+               analog->mq = SR_MQ_CURRENT;
+               analog->unit = SR_UNIT_AMPERE;
+       }
+       if (info->is_resistance) {
+               analog->mq = SR_MQ_RESISTANCE;
+               analog->unit = SR_UNIT_OHM;
+       }
+       if (info->is_frequency) {
+               analog->mq = SR_MQ_FREQUENCY;
+               analog->unit = SR_UNIT_HERTZ;
+       }
+       if (info->is_capacitance) {
+               analog->mq = SR_MQ_CAPACITANCE;
+               analog->unit = SR_UNIT_FARAD;
+       }
+       if (info->is_temperature && info->is_celsius) {
+               analog->mq = SR_MQ_TEMPERATURE;
+               analog->unit = SR_UNIT_CELSIUS;
+       }
+       if (info->is_temperature && info->is_fahrenheit) {
+               analog->mq = SR_MQ_TEMPERATURE;
+               analog->unit = SR_UNIT_FAHRENHEIT;
+       }
+       if (info->is_continuity) {
+               analog->mq = SR_MQ_CONTINUITY;
+               analog->unit = SR_UNIT_BOOLEAN;
+               *floatval = (*floatval < 0.0) ? 0.0 : 1.0;
+       }
+       if (info->is_diode) {
+               analog->mq = SR_MQ_VOLTAGE;
+               analog->unit = SR_UNIT_VOLT;
+       }
+       if (info->is_rpm) {
+               analog->mq = SR_MQ_FREQUENCY;
+               analog->unit = SR_UNIT_REVOLUTIONS_PER_MINUTE;
+       }
+       if (info->is_duty_cycle) {
+               analog->mq = SR_MQ_DUTY_CYCLE;
+               analog->unit = SR_UNIT_PERCENTAGE;
+       }
+
+       /* Measurement related flags */
+       if (info->is_ac)
+               analog->mqflags |= SR_MQFLAG_AC;
+       if (info->is_dc)
+               analog->mqflags |= SR_MQFLAG_DC;
+       if (info->is_auto)
+               analog->mqflags |= SR_MQFLAG_AUTORANGE;
+       if (info->is_diode)
+               analog->mqflags |= SR_MQFLAG_DIODE;
+       if (info->is_hold)
+               analog->mqflags |= SR_MQFLAG_HOLD;
+       if (info->is_max)
+               analog->mqflags |= SR_MQFLAG_MAX;
+       if (info->is_min)
+               analog->mqflags |= SR_MQFLAG_MIN;
+       if (info->is_rel)
+               analog->mqflags |= SR_MQFLAG_RELATIVE;
+
+       /* Other flags */
+       if (info->is_judge)
+               sr_spew("Judge bit is set.");
+       if (info->is_batt)
+               sr_spew("Battery is low.");
+       if (info->is_ol)
+               sr_spew("Input overflow.");
+       if (info->is_ul)
+               sr_spew("Input underflow.");
+       if (info->is_pmax)
+               sr_spew("pMAX active, LCD shows max. peak value.");
+       if (info->is_pmin)
+               sr_spew("pMIN active, LCD shows min. peak value.");
+       if (info->is_vahz)
+               sr_spew("VAHZ active.");
+       if (info->is_apo)
+               sr_spew("Auto-Power-Off enabled.");
+       if (info->is_vbar)
+               sr_spew("VBAR active.");
+       if ((!info->selectable_lpf && info->is_lpf1) ||
+           (info->selectable_lpf && (!info->is_lpf0 || !info->is_lpf1)))
+               sr_spew("Low-pass filter feature is active.");
+}
+
+static gboolean flags_valid(const struct es519xx_info *info)
+{
+       int count;
+
+       /* Does the packet have more than one multiplier? */
+       count  = info->is_micro;
+       count += info->is_milli;
+       if (count > 1) {
+               sr_err("More than one multiplier detected in packet.");
+               return FALSE;
+       }
+
+       /* Does the packet "measure" more than one type of value? */
+       count  = info->is_voltage;
+       count += info->is_current;
+       count += info->is_resistance;
+       count += info->is_frequency;
+       count += info->is_capacitance;
+       count += info->is_temperature;
+       count += info->is_continuity;
+       count += info->is_diode;
+       count += info->is_rpm;
+       if (count > 1) {
+               sr_err("More than one measurement type detected in packet.");
+               return FALSE;
+       }
+
+       /* Both AC and DC set? */
+       if (info->is_ac && info->is_dc) {
+               sr_err("Both AC and DC flags detected in packet.");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+static gboolean sr_es519xx_packet_valid(const uint8_t *buf,
+                                        struct es519xx_info *info)
+{
+       int s = info->packet_size;
+
+       if (info->packet_size == 11 && memcmp(buf, buf + s, s))
+               return FALSE;
+
+       if (buf[s-2] != '\r' || buf[s-1] != '\n')
+               return FALSE;
+
+       parse_flags(buf, info);
+
+       if (!flags_valid(info))
+               return FALSE;
+
+       return TRUE;
+}
+
+static int sr_es519xx_parse(const uint8_t *buf, float *floatval,
+                            struct sr_datafeed_analog *analog,
+                            struct es519xx_info *info)
+{
+       int ret;
+
+       if (!sr_es519xx_packet_valid(buf, info))
+               return SR_ERR;
+
+       if ((ret = parse_value(buf, info, floatval)) != SR_OK) {
+               sr_err("Error parsing value: %d.", ret);
+               return ret;
+       }
+
+       handle_flags(analog, floatval, info);
+
+       return parse_range(buf[0], floatval, info);
+}
+
+
+/*
+ * Functions for 2400 bauds 11 Bytes protocols.
+ * This includes ES51962, ES51971, ES51972, ES51978 and ES51989.
+ */
+SR_PRIV gboolean sr_es519xx_2400_11B_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 2400,
+                                                               .packet_size = 11 };
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_2400_11B_parse(const uint8_t *buf, float *floatval,
+                                      struct sr_datafeed_analog *analog,
+                                      void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 2400,
+                                                   .packet_size = 11 };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 2400 bauds 11 Bytes protocols.
+ * This includes ES51960, ES51977 and ES51988.
+ */
+SR_PRIV gboolean sr_es519xx_2400_11B_alt_functions_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 2400,
+                                                            .packet_size = 11,
+                                                            .alt_functions = TRUE };
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_2400_11B_alt_functions_parse(const uint8_t *buf,
+                                      float *floatval,
+                                      struct sr_datafeed_analog *analog,
+                                      void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 2400,
+                                                   .packet_size = 11,
+                                                   .alt_functions = TRUE };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 19200 bauds 11 Bytes protocols with 5 digits display
+ * This includes ES51911, ES51916 and ES51918.
+ */
+SR_PRIV gboolean sr_es519xx_19200_11B_5digits_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 19200,
+                                                               .packet_size = 11,
+                                                               .fivedigits = TRUE};
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_19200_11B_5difits_parse(const uint8_t *buf,
+               float *floatval, struct sr_datafeed_analog *analog, void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 19200,
+                                                   .packet_size = 11,
+                                                   .fivedigits = TRUE };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 19200 bauds 11 Bytes protocols with clamp meter support
+ * This includes ES51967 and ES51969.
+ */
+SR_PRIV gboolean sr_es519xx_19200_11B_clamp_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 19200,
+                                                               .packet_size = 11,
+                                                               .clampmeter = TRUE};
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_19200_11B_clamp_parse(const uint8_t *buf,
+                                             float *floatval,
+                                             struct sr_datafeed_analog *analog,
+                                             void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 19200,
+                                                   .packet_size = 11,
+                                                   .clampmeter = TRUE };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 19200 bauds 11 Bytes protocols.
+ * This includes ES51981, ES51982, ES51983, ES51984 and ES51986.
+ */
+SR_PRIV gboolean sr_es519xx_19200_11B_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 19200,
+                                                               .packet_size = 11 };
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_19200_11B_parse(const uint8_t *buf, float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 19200,
+                                                   .packet_size = 11 };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 19200 bauds 14 Bytes protocols.
+ * This includes ES51921 and ES51922.
+ */
+SR_PRIV gboolean sr_es519xx_19200_14B_packet_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 19200,
+                                                               .packet_size = 14 };
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_19200_14B_parse(const uint8_t *buf, float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 19200,
+                                                   .packet_size = 14 };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
+
+
+/*
+ * Functions for 19200 bauds 14 Bytes protocols with selectable LPF.
+ * This includes ES51931 and ES51932.
+ */
+SR_PRIV gboolean sr_es519xx_19200_14B_selectable_lpfpacket_valid(const uint8_t *buf)
+{
+       struct es519xx_info info = (const struct es519xx_info){ .baudrate = 19200,
+                                                          .packet_size = 14,
+                                                          .selectable_lpf = TRUE };
+       return sr_es519xx_packet_valid(buf, &info);
+}
+
+SR_PRIV int sr_es519xx_19200_14B_selectable_lpf_parse(const uint8_t *buf,
+                                       float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info)
+{
+       struct es519xx_info *info_local = info;
+       *info_local = (const struct es519xx_info) { .baudrate = 19200,
+                                                   .packet_size = 14,
+                                                   .selectable_lpf = TRUE };
+       return sr_es519xx_parse(buf, floatval, analog, info);
+}
index 93434ab3eb1acdf9d29ce924034c323d18dc5014..551d41e6bfe230402666c63c315d1b3a9c3274c3 100644 (file)
@@ -198,6 +198,51 @@ SR_PRIV gboolean sr_es51922_packet_valid(const uint8_t *buf);
 SR_PRIV int sr_es51922_parse(const uint8_t *buf, float *floatval,
                             struct sr_datafeed_analog *analog, void *info);
 
+/*--- hardware/common/dmm/es519xx.c -----------------------------------------*/
+
+#define ES519XX_11B_PACKET_SIZE 2*11
+#define ES519XX_14B_PACKET_SIZE   14
+
+struct es519xx_info {
+       gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
+       gboolean is_milli, is_resistance, is_continuity, is_diode;
+       gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
+       gboolean is_temperature, is_celsius, is_fahrenheit;
+       gboolean is_adp0, is_adp1, is_adp2, is_adp3;
+       gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
+       gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
+       gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
+       uint32_t baudrate;
+       int packet_size;
+       gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
+};
+
+SR_PRIV gboolean sr_es519xx_2400_11B_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_2400_11B_parse(const uint8_t *buf, float *floatval,
+                                      struct sr_datafeed_analog *analog,
+                                      void *info);
+SR_PRIV gboolean sr_es519xx_19200_11B_5digits_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_19200_11B_5difits_parse(const uint8_t *buf,
+               float *floatval, struct sr_datafeed_analog *analog, void *info);
+SR_PRIV gboolean sr_es519xx_19200_11B_clamp_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_19200_11B_clamp_parse(const uint8_t *buf,
+                                             float *floatval,
+                                             struct sr_datafeed_analog *analog,
+                                             void *info);
+SR_PRIV gboolean sr_es519xx_19200_11B_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_19200_11B_parse(const uint8_t *buf, float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info);
+SR_PRIV gboolean sr_es519xx_19200_14B_packet_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_19200_14B_parse(const uint8_t *buf, float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info);
+SR_PRIV gboolean sr_es519xx_19200_14B_selectable_lpfpacket_valid(const uint8_t *buf);
+SR_PRIV int sr_es519xx_19200_14B_selectable_lpf_parse(const uint8_t *buf,
+                                       float *floatval,
+                                       struct sr_datafeed_analog *analog,
+                                       void *info);
+
 /*--- hardware/common/dmm/fs9922.c ------------------------------------------*/
 
 #define FS9922_PACKET_SIZE 14