--- /dev/null
+/*
+ * Copyright (C) 2012-2013 Czech Technical University in Prague
+ *
+ * Created on: 28.2.2013
+ *
+ * Authors:
+ * - Michal Horn
+ *
+ * This document contains proprietary information belonging to Czech
+ * Technical University in Prague. Passing on and copying of this
+ * document, and communication of its contents is not permitted
+ * without prior written authorization.
+ *
+ * File : cmd_dac.c
+ *
+ * Abstract:
+ * This file contains commands for DAC control. User can setup DIN pin as active or inactive, set voltage in mV units and set raw value on pin.
+ *
+ */
+
+#include "cmd_dac.h"
+#include "stdio.h"
+
+#ifndef DOCGEN
+
+#include "cmdproc_utils.h"
+#include "rpp/rpp.h"
+
+
+/**
+ * @brief Setup DAC pin enable or disable
+ *
+ * @param[in] cmd_io Pointer to IO stack
+ * @param[in] des Pointer to command descriptor
+ * @param[in] param Parameters of command
+ * @return 0 when OK or error code
+ */
+int cmd_do_dac_pin_setup(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
+{
+ int pin;
+ char *p = param[1];
+ char spareParams;
+ int enabled;
+ int ret;
+
+ if (sscanf(p, "%d %d %1s", &pin, &enabled, &spareParams) != 2)
+ return -CMDERR_BADPAR;
+ ret = rpp_dac_setup(pin, enabled);
+ if (ret == -1) {
+ rpp_sci_printf("Pin out of range.\n");
+ return -CMDERR_BADPAR;
+ }
+
+ if (rpp_dac_update() == FAILURE) {
+ rpp_sci_printf("DAC update failed.\n");
+ return -CMDERR_EIO;
+ }
+
+ return cmd_opchar_replong(cmd_io, param, enabled, 0, 10);
+}
+
+/**
+ * @brief Set DAC pin raw value
+ *
+ * @param[in] cmd_io Pointer to IO stack
+ * @param[in] des Pointer to command descriptor
+ * @param[in] param Parameters of command
+ * @return 0 when OK or error code
+ */
+int cmd_do_dac_pin_set_val(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
+{
+ int pin;
+ char *p = param[1];
+ char spareParams;
+ int val;
+ int ret;
+
+ if (sscanf(p, "%d %d %1s", &pin, &val, &spareParams) != 2)
+ return -CMDERR_BADPAR;
+ ret = rpp_dac_set(pin, val);
+ if (ret == -1) {
+ rpp_sci_printf("Pin out of range.\n");
+ return -CMDERR_BADPAR;
+ }
+ else if (ret == -2) {
+ rpp_sci_printf("Value out of range.\n");
+ return -CMDERR_BADPAR;
+ }
+
+ if (rpp_dac_update() == FAILURE) {
+ rpp_sci_printf("DAC update failed.\n");
+ return -CMDERR_EIO;
+ }
+ return cmd_opchar_replong(cmd_io, param, val, 0, 10);
+}
+
+/**
+ * @brief Set DAC pin voltage value in mV units
+ *
+ * @param[in] cmd_io Pointer to IO stack
+ * @param[in] des Pointer to command descriptor
+ * @param[in] param Parameters of command
+ * @return 0 when OK or error code
+ */
+int cmd_do_dac_pin_set_voltage(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
+{
+ int pin;
+ char *p = param[1];
+ char spareParams;
+ int mV;
+ int ret;
+
+ if (sscanf(p, "%d %d %1s", &pin, &mV, &spareParams) != 2)
+ return -CMDERR_BADPAR;
+ ret = rpp_dac_set_voltage(pin, mV);
+ if (ret == -1) {
+ rpp_sci_printf("Pin out of range.\n");
+ return -CMDERR_BADPAR;
+ }
+ else if (ret == -2) {
+ rpp_sci_printf("Voltage out of range.\n");
+ return -CMDERR_BADPAR;
+ }
+
+ if (rpp_dac_update() == FAILURE) {
+ rpp_sci_printf("DAC update failed.\n");
+ return -CMDERR_EIO;
+ }
+ return cmd_opchar_replong(cmd_io, param, mV, 0, 10);
+}
+
+#endif /* DOCGEN */
+
+/** Descriptor of command for dac pin setup */
+cmd_des_t const cmd_des_dac_pin_setup = {
+ 0, 0,
+ "dacpinenable*","Enable or disable a DAC pin",
+ "### Command syntax ###\n"
+ "\n"
+ " dacpinenable<PIN> <VALUE>\n"
+ "where\n"
+ "\n"
+ "- `<PIN>` is a number in range 1-4\n"
+ "- `<VALUE>` is a number 0 (disable) or 1 (enable)\n"
+ "\n"
+ "### Description ###\n"
+ "\n"
+ "Command for enabling or disabling of a DAC pin.\n"
+ "\n"
+ "Command always prints the actual state of the selected pin.\n"
+ "\n"
+ "### Example ###\n"
+ "\n"
+ " --> dacpinenable1 1\n"
+ " dacpinenable1=1\n"
+ "\n"
+ "Enables pin DAC1 and prints its actual state (which will be 1)\n",
+ CMD_HANDLER(cmd_do_dac_pin_setup), (void *)&cmd_list_dac
+};
+
+/** Descriptor of command for dac pin value set */
+cmd_des_t const cmd_des_dac_pin_set_val = {
+ 0, 0,
+ "dacpinval*","Set raw value of a DAC register",
+ "### Command syntax ###\n"
+ "\n"
+ " dacpinval<PIN> <VALUE>\n"
+ "where\n"
+ "\n"
+ "- `<PIN>` is a number in range 1-4\n"
+ "- `<VALUE>` is a number in range 0-4095\n"
+ "\n"
+ "### Description ###\n"
+ "\n"
+ "This command writes a raw value to DAC register that controls the DAC\n"
+ "output voltage according to the formula described in the datasheet.\n"
+ "`<PIN>` parameter selects which DAC pin to use.\n"
+ "\n"
+ "Command always prints the written raw value of the selected pin. There\n"
+ "is no way how to read the value out of the register.\n"
+ "\n"
+ "### Example ###\n"
+ "\n"
+ " --> dacpinval1 4095\n"
+ " dacpinval1 =4095\n"
+ "\n"
+ "Set pin DAC1 voltage to 12V, and prints the value (4095).\n",
+ CMD_HANDLER(cmd_do_dac_pin_set_val), (void *)&cmd_list_dac
+};
+
+/** Descriptor of command for dac pin voltage set */
+cmd_des_t const cmd_des_dac_pin_set_voltage = {
+ 0, 0,
+ "dacpinvoltage*","Set voltage in mV of a DAC pin",
+ "### Command syntax ###\n"
+ "\n"
+ " dacpinvoltage<PIN> <VALUE>\n"
+ "where\n"
+ "\n"
+ "- `<PIN>` is a number in range 1-4\n"
+ "- `<VALUE>` is a number in range 0-12000\n"
+ "\n"
+ "### Description ###\n"
+ "\n"
+ "This command sets the voltage on a DAC pin.\n"
+ "\n"
+ "The command always prints the actually set voltage of selected pin.\n"
+ "There is no way how to read the value back out of the pin.\n"
+ "\n"
+ "### Example ###\n"
+ "\n"
+ " --> dacpinvoltage1 8000\n"
+ " dacpinvoltage1 =8000\n"
+ "\n"
+ "Sets pin DAC1 to 8V, prints the actual voltage (8000)\n"
+ "\n"
+ " --> dacpinvoltage2 500\n"
+ " dacpinvoltage2 =500\n"
+ "\n"
+ "Sets pin DAC2 to 500mV, prints actual voltage (500)\n",
+ CMD_HANDLER(cmd_do_dac_pin_set_voltage), (void *)&cmd_list_dac
+};
+
+/** List of commands for dac, defined as external */
+cmd_des_t const *cmd_list_dac[] = {
+ &cmd_des_dac_pin_setup,
+ &cmd_des_dac_pin_set_val,
+ &cmd_des_dac_pin_set_voltage,
+ NULL
+};
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