76 lines
2.2 KiB
Diff
76 lines
2.2 KiB
Diff
--- usb_serial.c 2011-04-19 05:54:12.000000000 -0400
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+++ usb_serial.c 2016-06-04 23:48:52.590001697 -0400
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@@ -30,6 +30,7 @@
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// Version 1.6: fix zero length packet bug
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// Version 1.7: fix usb_serial_set_control
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+#include <string.h>
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#define USB_SERIAL_PRIVATE_INCLUDE
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#include "usb_serial.h"
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@@ -146,7 +147,7 @@
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// in here should only be done by those who've read chapter 9 of the USB
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// spec and relevant portions of any USB class specifications!
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-static uint8_t PROGMEM device_descriptor[] = {
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+static const uint8_t PROGMEM device_descriptor[] = {
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18, // bLength
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1, // bDescriptorType
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0x00, 0x02, // bcdUSB
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@@ -164,7 +165,7 @@
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};
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#define CONFIG1_DESC_SIZE (9+9+5+5+4+5+7+9+7+7)
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-static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
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+static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
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// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
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9, // bLength;
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2, // bDescriptorType;
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@@ -248,22 +249,22 @@
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uint8_t bDescriptorType;
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int16_t wString[];
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};
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-static struct usb_string_descriptor_struct PROGMEM string0 = {
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+static const struct usb_string_descriptor_struct PROGMEM string0 = {
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4,
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3,
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{0x0409}
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};
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-static struct usb_string_descriptor_struct PROGMEM string1 = {
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+static const struct usb_string_descriptor_struct PROGMEM string1 = {
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sizeof(STR_MANUFACTURER),
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3,
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STR_MANUFACTURER
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};
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-static struct usb_string_descriptor_struct PROGMEM string2 = {
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+static const struct usb_string_descriptor_struct PROGMEM string2 = {
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sizeof(STR_PRODUCT),
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3,
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STR_PRODUCT
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};
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-static struct usb_string_descriptor_struct PROGMEM string3 = {
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+static const struct usb_string_descriptor_struct PROGMEM string3 = {
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sizeof(STR_SERIAL_NUMBER),
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3,
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STR_SERIAL_NUMBER
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@@ -271,7 +272,7 @@
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// This table defines which descriptor data is sent for each specific
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// request from the host (in wValue and wIndex).
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-static struct descriptor_list_struct {
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+static const struct descriptor_list_struct {
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uint16_t wValue;
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uint16_t wIndex;
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const uint8_t *addr;
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@@ -646,7 +647,9 @@
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// communication
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uint32_t usb_serial_get_baud(void)
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{
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- return *(uint32_t *)cdc_line_coding;
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+ uint32_t res;
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+ memcpy(&res, cdc_line_coding, sizeof(res));
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+ return res;
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}
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uint8_t usb_serial_get_stopbits(void)
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{
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