Diff: Utilities/utils.cpp

Revision:

1:f60eafbf009a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Utilities/utils.cpp	Wed Apr 10 14:56:25 2019 +0300
@@ -0,0 +1,224 @@
+/***************************************************************************
+* Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+****************************************************************************
+*/
+
+#include "utils.h"
+#include <ctype.h>
+#include "Peripherals.h"
+
+/*
+ * @brief Parse DeviceStudio get_reg command 
+ * @details format is "get_reg <type> <addr>"
+ *
+ * @return 0 on success, -1 on failure
+ */
+int parse_get_reg_cmd(const char* str, const char* dev_type, uint8_t* addr)
+{
+	const char* num_start = str + strlen("get_reg") + strlen(dev_type) + 2;
+	unsigned int addr32;
+
+	int num_found = sscanf(num_start, "%x", &addr32);
+	if (num_found == 1) {
+		*addr = (uint8_t)addr32;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+/*
+ * @brief Parse DeviceStudio set_reg command 
+ * @details format is "set_reg <type> <addr> <val>"
+ *
+ * @return 0 on success, -1 on failure
+ */
+int parse_set_reg_cmd(const char* str, const char* dev_type, uint8_t* addr, uint8_t* val)
+{
+	const char* num_start = str + strlen("set_reg") + strlen(dev_type) + 2;
+	unsigned int addr32, val32;
+
+	int num_found = sscanf(num_start, "%x %x", &addr32, &val32);
+	if (num_found == 2) {
+		*addr = (uint8_t)addr32;
+		*val = (uint8_t)val32;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+int parse_set_reg_cmd(const char* str, const char* dev_type, uint8_t* addr, uint16_t* val)
+{
+	const char* num_start = str + strlen("set_reg") + strlen(dev_type) + 2;
+	unsigned int addr32, val32;
+
+	int num_found = sscanf(num_start, "%x %x", &addr32, &val32);
+	if (num_found == 2) {
+		*addr = (uint8_t)addr32;
+		*val = (uint16_t)val32;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+int parse_set_reg_cmd(const char* str, const char* dev_type, uint8_t* addr, uint32_t* val)
+{
+	const char* num_start = str + strlen("set_reg") + strlen(dev_type) + 2;
+	unsigned int addr32, val32;
+
+	int num_found = sscanf(num_start, "%x %x", &addr32, &val32);
+	if (num_found == 2) {
+		*addr = (uint8_t)addr32;
+		*val = val32;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+/// TODO: additional for float
+/*
+int parse_cmd_data(const char* str, const char* cmd, float *vals, int vals_sz, bool hex)
+{
+	const char* sptr = str + strlen(cmd);
+	int found = 0;
+	int ssfound;
+	unsigned int val32;
+
+	while (found < vals_sz) {
+		while (*sptr != ' ' && *sptr != '\0') { sptr++; }
+		if (*sptr == '\0')
+			break;
+		sptr++;
+
+		if (hex)
+			ssfound = sscanf(sptr, "%x", &val32);
+		else
+			ssfound = sscanf(sptr, "%d", &val32);
+		if (ssfound != 1)
+			break;
+		*(vals + found) = (uint8_t)val32;
+		found++;
+	}
+
+	return found;
+}
+*/
+int parse_cmd_data(const char* str, const char* cmd, uint8_t *vals, int vals_sz, bool hex)
+{
+	const char* sptr = str + strlen(cmd);
+	int found = 0;
+	int ssfound;
+	unsigned int val32;
+
+	while (found < vals_sz) {
+		while (*sptr != ' ' && *sptr != '\0') { sptr++; }
+		if (*sptr == '\0')
+			break;
+		sptr++;
+
+		if (hex)
+			ssfound = sscanf(sptr, "%x", &val32);
+		else
+			ssfound = sscanf(sptr, "%d", &val32);
+		if (ssfound != 1)
+			break;
+		*(vals + found) = (uint8_t)val32;
+		found++;
+	}
+
+	return found;
+}
+
+int parse_cmd_data(const char* str, const char* cmd, uint16_t *vals, int vals_sz, bool hex)
+{
+	const char* sptr = str + strlen(cmd);
+	int found = 0;
+	int ssfound;
+	unsigned int val32;
+
+	while (found < vals_sz) {
+		while (*sptr != ' ' && *sptr != '\0') { sptr++; }
+		if (*sptr == '\0')
+			break;
+		sptr++;
+
+		if (hex)
+			ssfound = sscanf(sptr, "%x", &val32);
+		else
+			ssfound = sscanf(sptr, "%d", &val32);
+		if (ssfound != 1)
+			break;
+		*(vals + found) = (uint16_t)val32;
+		found++;
+	}
+
+	return found;
+}
+
+int parse_cmd_data(const char* str, const char* cmd, uint32_t *vals, int vals_sz, bool hex)
+{
+	const char* sptr = str + strlen(cmd);
+	int found = 0;
+	int ssfound;
+
+	while (found < vals_sz) {
+		while (*sptr != ' ' && *sptr != '\0') { sptr++; }
+		if (*sptr == '\0')
+			break;
+		sptr++;
+
+		if (hex)
+			ssfound = sscanf(sptr, "%x", vals + found);
+		else
+			ssfound = sscanf(sptr, "%d", vals + found);
+		if (ssfound != 1)
+			break;
+		found++;
+	}
+
+	return found;
+}
+
+bool starts_with(const char* str1, const char* str2)
+{
+	while (*str1 && *str2) {
+		if (*str1 != *str2)
+			return false;
+		str1++;
+		str2++;
+	}
+
+	if (*str2)
+		return false;
+
+	return true;
+}