From 43608589e3b2a0d06ef1e160b8ef9404b41d2b33 Mon Sep 17 00:00:00 2001 From: Philippe Teuwen Date: Tue, 16 Apr 2019 20:06:32 +0200 Subject: [PATCH] reduce crc size, change magic --- include/usb_cmd.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/include/usb_cmd.h b/include/usb_cmd.h index 2081d8775..60077d630 100644 --- a/include/usb_cmd.h +++ b/include/usb_cmd.h @@ -41,14 +41,12 @@ typedef struct { uint16_t cmd; } PACKED UsbCommandNGPreamble; -#define USB_PREAMBLE_MAGIC 0xAA5500FF +#define USB_PREAMBLE_MAGIC 0x61334d50 // PM3a typedef struct { - uint32_t crc; + uint16_t crc; } PACKED UsbCommandNGPostamble; -#define USB_POSTAMBLE_MAGIC 0xFF0055AA - #define USB_PACKET_NG_MINLEN (sizeof(UsbCommandNGPreamble) + sizeof(UsbCommandNGPostamble)) #define USB_PACKET_NG_MAXLEN (sizeof(UsbCommandNGPreamble) + USB_CMD_DATA_SIZE + sizeof(UsbCommandNGPostamble))