From 60b30c036397cb5627fa374bb930794b225daa29 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Fri, 7 Jul 2017 11:55:23 -0400
Subject: Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
---
Projects/AVRISP-MKII/Lib/V2ProtocolParams.c | 207 ++++++++++++++++++++++++++++
1 file changed, 207 insertions(+)
create mode 100644 Projects/AVRISP-MKII/Lib/V2ProtocolParams.c
(limited to 'Projects/AVRISP-MKII/Lib/V2ProtocolParams.c')
diff --git a/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c b/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c
new file mode 100644
index 0000000000..0b33c212f8
--- /dev/null
+++ b/Projects/AVRISP-MKII/Lib/V2ProtocolParams.c
@@ -0,0 +1,207 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * V2Protocol parameter handler, to process V2 Protocol device parameters.
+ */
+
+#define INCLUDE_FROM_V2PROTOCOL_PARAMS_C
+#include "V2ProtocolParams.h"
+
+/* Non-Volatile Parameter Values for EEPROM storage */
+static uint8_t EEMEM EEPROM_Reset_Polarity = 0x01;
+
+/* Non-Volatile Parameter Values for EEPROM storage */
+static uint8_t EEMEM EEPROM_SCK_Duration = 0x06;
+
+/* Volatile Parameter Values for RAM storage */
+static ParameterItem_t ParameterTable[] =
+ {
+ { .ParamID = PARAM_BUILD_NUMBER_LOW,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = 0 },
+
+ { .ParamID = PARAM_BUILD_NUMBER_HIGH,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = 0 },
+
+ { .ParamID = PARAM_HW_VER,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = 0x00 },
+
+ { .ParamID = PARAM_SW_MAJOR,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = 0x01 },
+
+ { .ParamID = PARAM_SW_MINOR,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = FIRMWARE_VERSION_MINOR },
+
+ { .ParamID = PARAM_VTARGET,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = (uint8_t)(3.3 * 10) },
+
+ { .ParamID = PARAM_SCK_DURATION,
+ .ParamPrivileges = PARAM_PRIV_READ | PARAM_PRIV_WRITE,
+ .ParamValue = 6 },
+
+ { .ParamID = PARAM_RESET_POLARITY,
+ .ParamPrivileges = PARAM_PRIV_READ | PARAM_PRIV_WRITE,
+ .ParamValue = 0x01 },
+
+ { .ParamID = PARAM_STATUS_TGT_CONN,
+ .ParamPrivileges = PARAM_PRIV_READ,
+ .ParamValue = STATUS_ISP_READY },
+
+ { .ParamID = PARAM_DISCHARGEDELAY,
+ .ParamPrivileges = PARAM_PRIV_READ | PARAM_PRIV_WRITE,
+ .ParamValue = 0x00 },
+ };
+
+
+/** Loads saved non-volatile parameter values from the EEPROM into the parameter table, as needed. */
+void V2Params_LoadNonVolatileParamValues(void)
+{
+ /* Read parameter values that are stored in non-volatile EEPROM */
+ uint8_t ResetPolarity = eeprom_read_byte(&EEPROM_Reset_Polarity);
+ uint8_t SCKDuration = eeprom_read_byte(&EEPROM_SCK_Duration);
+
+ /* Update current parameter table if the EEPROM contents was not blank */
+ if (ResetPolarity != 0xFF)
+ V2Params_GetParamFromTable(PARAM_RESET_POLARITY)->ParamValue = ResetPolarity;
+
+ /* Update current parameter table if the EEPROM contents was not blank */
+ if (SCKDuration != 0xFF)
+ V2Params_GetParamFromTable(PARAM_SCK_DURATION)->ParamValue = SCKDuration;
+}
+
+/** Updates any parameter values that are sourced from hardware rather than explicitly set by the host, such as
+ * VTARGET levels from the ADC on supported AVR models.
+ */
+void V2Params_UpdateParamValues(void)
+{
+ #if (defined(ADC) && !defined(NO_VTARGET_DETECT))
+ /* Update VTARGET parameter with the latest ADC conversion of VTARGET on supported AVR models */
+ V2Params_GetParamFromTable(PARAM_VTARGET)->ParamValue = (((uint16_t)(VTARGET_REF_VOLTS * 10 * VTARGET_SCALE_FACTOR) * ADC_GetResult()) / 1024);
+ #endif
+}
+
+/** Retrieves the host PC read/write privileges for a given parameter in the parameter table. This should
+ * be called before calls to \ref V2Params_GetParameterValue() or \ref V2Params_SetParameterValue() when
+ * getting or setting parameter values in response to requests from the host.
+ *
+ * \param[in] ParamID Parameter ID whose privileges are to be retrieved from the table
+ *
+ * \return Privileges for the requested parameter, as a mask of \c PARAM_PRIV_* masks
+ */
+uint8_t V2Params_GetParameterPrivileges(const uint8_t ParamID)
+{
+ ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return 0;
+
+ return ParamInfo->ParamPrivileges;
+}
+
+/** Retrieves the current value for a given parameter in the parameter table.
+ *
+ * \note This function does not first check for read privileges - if the value is being sent to the host via a
+ * GET PARAM command, \ref V2Params_GetParameterPrivileges() should be called first to ensure that the
+ * parameter is host-readable.
+ *
+ * \param[in] ParamID Parameter ID whose value is to be retrieved from the table
+ *
+ * \return Current value of the parameter in the table, or 0 if not found
+ */
+uint8_t V2Params_GetParameterValue(const uint8_t ParamID)
+{
+ ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return 0;
+
+ return ParamInfo->ParamValue;
+}
+
+/** Sets the value for a given parameter in the parameter table.
+ *
+ * \note This function does not first check for write privileges - if the value is being sourced from the host
+ * via a SET PARAM command, \ref V2Params_GetParameterPrivileges() should be called first to ensure that the
+ * parameter is host-writable.
+ *
+ * \param[in] ParamID Parameter ID whose value is to be set in the table
+ * \param[in] Value New value to set the parameter to
+ *
+ * \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
+ */
+void V2Params_SetParameterValue(const uint8_t ParamID,
+ const uint8_t Value)
+{
+ ParameterItem_t* const ParamInfo = V2Params_GetParamFromTable(ParamID);
+
+ if (ParamInfo == NULL)
+ return;
+
+ ParamInfo->ParamValue = Value;
+
+ /* The target RESET line polarity is a non-volatile parameter, save to EEPROM when changed */
+ if (ParamID == PARAM_RESET_POLARITY)
+ eeprom_update_byte(&EEPROM_Reset_Polarity, Value);
+
+ /* The target SCK line period is a non-volatile parameter, save to EEPROM when changed */
+ if (ParamID == PARAM_SCK_DURATION)
+ eeprom_update_byte(&EEPROM_SCK_Duration, Value);
+}
+
+/** Retrieves a parameter entry (including ID, value and privileges) from the parameter table that matches the given
+ * parameter ID.
+ *
+ * \param[in] ParamID Parameter ID to find in the table
+ *
+ * \return Pointer to the associated parameter information from the parameter table if found, NULL otherwise
+ */
+static ParameterItem_t* const V2Params_GetParamFromTable(const uint8_t ParamID)
+{
+ ParameterItem_t* CurrTableItem = ParameterTable;
+
+ /* Find the parameter in the parameter table if present */
+ for (uint8_t TableIndex = 0; TableIndex < TABLE_PARAM_COUNT; TableIndex++)
+ {
+ if (ParamID == CurrTableItem->ParamID)
+ return CurrTableItem;
+
+ CurrTableItem++;
+ }
+
+ return NULL;
+}
+
--
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