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Add USB_STATUS_CODE_SIZE and use it to kill the magic numbers of usb_command_read_config()

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László Monda
2017-11-06 00:44:32 +01:00
parent 003f313947
commit 9910fe536f
2 changed files with 4 additions and 2 deletions
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right/src/usb_commands/usb_command_read_config.c
+2 -2
View File
@@ -8,7 +8,7 @@ void UsbCommand_ReadConfig(bool isHardware)
uint8_t length = GET_USB_BUFFER_UINT8(1); uint8_t length = GET_USB_BUFFER_UINT8(1);
uint16_t offset = GET_USB_BUFFER_UINT16(2); uint16_t offset = GET_USB_BUFFER_UINT16(2);
if (length > USB_GENERIC_HID_OUT_BUFFER_LENGTH-1) { if (length > USB_GENERIC_HID_OUT_BUFFER_LENGTH - USB_STATUS_CODE_SIZE) {
SET_USB_BUFFER_UINT8(0, UsbStatusCode_ReadConfig_LengthTooLarge); SET_USB_BUFFER_UINT8(0, UsbStatusCode_ReadConfig_LengthTooLarge);
return; return;
} }
@@ -21,5 +21,5 @@ void UsbCommand_ReadConfig(bool isHardware)
return; return;
} }
memcpy(GenericHidOutBuffer+1, buffer+offset, length); memcpy(GenericHidOutBuffer + USB_STATUS_CODE_SIZE, buffer + offset, length);
} }
right/src/usb_protocol_handler.h
+2
View File
@@ -8,6 +8,8 @@
// Macros: // Macros:
#define USB_STATUS_CODE_SIZE 1
#define GET_USB_BUFFER_UINT8(offset) (*(uint8_t*)(GenericHidInBuffer+(offset))) #define GET_USB_BUFFER_UINT8(offset) (*(uint8_t*)(GenericHidInBuffer+(offset)))
#define GET_USB_BUFFER_UINT16(offset) (*(uint16_t*)(GenericHidInBuffer+(offset))) #define GET_USB_BUFFER_UINT16(offset) (*(uint16_t*)(GenericHidInBuffer+(offset)))
#define GET_USB_BUFFER_UINT32(offset) (*(uint32_t*)(GenericHidInBuffer+(offset))) #define GET_USB_BUFFER_UINT32(offset) (*(uint32_t*)(GenericHidInBuffer+(offset)))