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| author | Tomasz Moń <desowin@gmail.com> | 2021-07-10 08:56:32 +0200 |
|---|---|---|
| committer | Tomasz Moń <desowin@gmail.com> | 2021-07-10 08:56:32 +0200 |
| commit | b4ecd612f7184cbf23d83ef78b0ccb5ed2c318e3 (patch) | |
| tree | d0c25f174efbfa49612b5bdb7d6f6adf3e146ed6 /firmware/usbstack | |
| parent | 663539619c05d9b429dfbea1e5d38d8bb043ee03 (diff) | |
Sansa Connect: Use deviceid in USB Serial Number
Atmel AT88SC6416C CryptoMemory is almost I2C compatible. The device
is connected to bitbanged I2C bus shared with compliant I2C devices.
Change-Id: Iec54702db1bdfb93c01291eef18ec60391c63b16
Diffstat (limited to 'firmware/usbstack')
| -rw-r--r-- | firmware/usbstack/usb_core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/firmware/usbstack/usb_core.c b/firmware/usbstack/usb_core.c index 3d187c8cab..b291dc7655 100644 --- a/firmware/usbstack/usb_core.c +++ b/firmware/usbstack/usb_core.c @@ -62,6 +62,10 @@ #include "ocotp-imx233.h" #endif +#ifdef SANSA_CONNECT +#include "cryptomem-sansaconnect.h" +#endif + #ifndef USB_MAX_CURRENT #define USB_MAX_CURRENT 500 #endif @@ -327,6 +331,22 @@ static void set_serial_descriptor(void) } usb_string_iSerial.bLength = 2 + 2 * (1 + IMX233_NUM_OCOTP_OPS * 8); } +#elif defined(SANSA_CONNECT) +static void set_serial_descriptor(void) +{ + char deviceid[32]; + short* p = &usb_string_iSerial.wString[1]; + int i; + + if(!cryptomem_read_deviceid(deviceid)) { + for(i = 0; i < 32; i++) { + *p++ = deviceid[i]; + } + usb_string_iSerial.bLength = 2 + 2 * (1 + 32); + } else { + device_descriptor.iSerialNumber = 0; + } +} #elif (CONFIG_STORAGE & STORAGE_ATA) /* If we don't know the device serial number, use the one * from the disk */ |