Difference between revisions of "SceUsbSerial"

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−
== Library ==
+
== Module ==
  
−
=== Known NIDs ===
 
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! World !! Privilege
 
|-
 
|-
−
! Version !! Name !! World !! Privilege !! NID
+
| 1.69-3.60 || Non-secure || Kernel
−
|-
 
−
| 1.69 || SceUsbSerial || Non-secure || Kernel || 0xF8D9930F
 
 
|}
 
|}
  
−
== Modules ==
+
== Libraries ==
  
 
=== Known NIDs ===
 
=== Known NIDs ===
−
 
 
{| class="wikitable"
 
{| class="wikitable"
−
|-
 
 
! Version !! Name !! World !! Visibility !! NID
 
! Version !! Name !! World !! Visibility !! NID
 
|-
 
|-
 
| 1.69 || [[SceUsbSerial#SceUsbSerialForDriver|SceUsbSerialForDriver]] || Non-secure || Kernel || 0x8829C2F3
 
| 1.69 || [[SceUsbSerial#SceUsbSerialForDriver|SceUsbSerialForDriver]] || Non-secure || Kernel || 0x8829C2F3
 
|-
 
|-
−
| 1.69 || [[SceUsbSerial#SceUsbSerial|SceUsbSerial]] || Non-secure || User || 0x2820117D
+
| 2.10-3.60 || [[SceUsbSerial#SceUsbSerialForDriver|SceUsbSerialForDriver]] || Non-secure || Kernel || not present
 +
|-
 +
| 1.69-3.60 || [[SceUsbSerial#SceUsbSerial|SceUsbSerial]] || Non-secure || User || 0x2820117D
 
|}
 
|}
  
 
== SceUsbSerialForDriver ==
 
== SceUsbSerialForDriver ==
  
−
=== Activate USB serial device ===
+
This library does not exist anymore as of FW 3.60.
 +
 
 +
=== sceUsbSerialStartForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0xFEE7F4BA
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0xFEE7F4BA
 
 
|}
 
|}
−
The user is responsible for making sure no other UDC driver is active. This activates UDC as a <code>"PS Vita" Type D</code> device.
 
  
−
<source lang="c">int SceUsbSerialForDriver_0xFEE7F4BA_start(void);</source>
+
<source lang="c">
 +
/**
 +
* Activate USB serial device
 +
*
 +
* @return 0 on success, < 0 on error
 +
*
 +
* @note The user is responsible for making sure no other UDC driver is active. This activates UDC as a "PS Vita" Type D device.
 +
*/
 +
int sceUsbSerialStartForDriver(void);
 +
</source>
  
−
=== Setup USB serial device ===
+
=== sceUsbSerialSetupForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0x590B8F97
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0x590B8F97
 
 
|}
 
|}
  
−
<source lang="c">int SceUsbSerialForDriver_0x590B8F97_setup(int unk);</source>
+
<source lang="c">
 +
/**
 +
* Setup USB serial device
 +
*
 +
* @return 0 on success, < 0 on error
 +
*
 +
* @param unk Unknown
 +
*/
 +
int sceUsbSerialSetupForDriver(int unk);
 +
</source>
  
−
=== Get Device Status ===
+
=== sceUsbSerialStatusForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0x8C426906
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0x8C426906
 
 
|}
 
|}
−
Returns 1 when device is ready.
 
  
−
<source lang="c">int SceUsbSerialForDriver_0x8C426906_status(void);</source>
+
<source lang="c">
 +
/**
 +
* Get USB device status
 +
*
 +
* @return Returns 1 when serial port is open
 +
*/
 +
int sceUsbSerialStatusForDriver(void);</source>
  
−
=== Close USB serial device ===
+
=== sceUsbSerialCloseForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0xE6B1E64F
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0xE6B1E64F
 
 
|}
 
|}
  
−
<source lang="c">int SceUsbSerialForDriver_0xE6B1E64F_close(void);</source>
+
<source lang="c">
 +
/**
 +
* Close USB serial device
 +
*/
 +
int sceUsbSerialCloseForDriver(void);
 +
</source>
  
−
=== Get receive buffer length ===
+
=== sceUsbSerialGetRecvBufferSizeForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0xF531B5AE
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0xF531B5AE
 
 
|}
 
|}
  
−
<source lang="c">unsigned int SceUsbSerialForDriver_0xF531B5AE_get_len(void);</source>
+
<source lang="c">
 +
/**
 +
* Get receive buffer length
 +
*
 +
* @return Returns length of USB rx buffer
 +
*/
 +
unsigned int sceUsbSerialGetRecvBufferSizeForDriver(void);
 +
</source>
  
−
=== Send Data ===
+
=== sceUsbSerialSendForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0x0C2E73C0
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0x0C2E73C0
 
 
|}
 
|}
  
−
<source lang="c">unsigned int SceUsbSerialForDriver_0x0C2E73C0_send(const void *buffer, unsigned int len, int unk1, int unk2);</source>
+
<source lang="c">
 +
/**
 +
* Send data
 +
*
 +
* @param[in] *buffer data to send over usb
 +
* @param[in] len int len of serial buffer data
 +
* @param unk1 Unknown
 +
* @param unk2 Unknown
 +
* @note max send length is 0x10000
 +
*/
 +
unsigned int sceUsbSerialSendForDriver(const void *buffer, unsigned int len, int unk1, int unk2);
 +
</source>
  
−
=== Receive Data ===
+
=== sceUsbSerialRecvForDriver ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69 || 0x6B5E296F
−
! NID
 
−
|-
 
−
| 1.69
 
−
| 0x6B5E296F
 
 
|}
 
|}
  
−
<source lang="c">unsigned int SceUsbSerialForDriver_0x6B5E296F_recv(void *buffer, unsigned int max_len, int unk1, int unk2);</source>
+
<source lang="c">
 +
/**
 +
* Receive Data
 +
*
 +
* @param[out] *buffer buffer for incoming data
 +
* @param[in] max_len max data length to receive
 +
* @param unk1 Unknown
 +
* @param unk2 Unknown
 +
* @note max recv length is 0x10000
 +
*/
 +
unsigned int sceUsbSerialRecvForDriver(void *buffer, unsigned int max_len, int unk1, int unk2);
 +
</source>
  
 
== SceUsbSerial ==
 
== SceUsbSerial ==
  
−
=== Activate USB serial device ===
+
=== sceUsbSerialStart ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69-3.60 || 0xE3BEC18C
−
! NID
+
|}
 +
 
 +
User wrapper for [[#sceUsbSerialStartForDriver]].
 +
 
 +
Checks [[SceSblACMgr#sceSblACMgrIsAllowUsbSerialForDriver]].
 +
 
 +
<source lang="c">
 +
/**
 +
* Activate USB serial device
 +
*
 +
* @return 0 on success, < 0 on error
 +
*
 +
* @note The user is responsible for making sure no other UDC driver is active. This activates UDC as a "PS Vita" Type D device.
 +
*
 +
* @note Wrapper for kernel function sceUsbSerialStartForDriver()
 +
*/
 +
int sceUsbSerialStart(void);
 +
</source>
 +
 
 +
<source lang="c">
 +
int ret = 0;
 +
sceUdcdDeactivateForDriver(a1, a2, a3, (*(uint32_t *)(/*data_81003000*/)) << 0x17);
 +
sceUdcdStopForDriver("USB_MTP_Driver", 0, 0);
 +
sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
 +
ret = sceUdcdStartForDriver("USBDeviceControllerDriver", 0, 0);
 +
if (ret != 0)
 +
    return ret;
 +
ret = sceUdcdStartForDriver("USBSerDriver", 0, 0);
 +
if (ret != 0) {
 +
    sceUdcdStopForDriver("USBSerDriver", 0, 0);
 +
    return ret;
 +
}
 +
ret = sceUdcdActivateForDriver(0x69B);
 +
if (ret != 0) {
 +
    sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
 +
    return ret;
 +
}
 +
return ret;
 +
</source>
 +
 
 +
=== sceUsbSerialSetup ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 1.69-3.60 || 0x290E08B4
−
| 0xE3BEC18C
 
 
|}
 
|}
−
User wrapper for <code>0xFEE7F4BA</code>. Must have correct permissions to call.
 
  
−
=== Setup USB serial device ===
+
User wrapper for [[#sceUsbSerialSetupForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Setup USB serial device
 +
*
 +
* @return 0 on success, < 0 on error
 +
*
 +
* @param unk Unknown
 +
*
 +
* @note Wrapper for kernel function sceUsbSerialSetupForDriver()
 +
*/
 +
int sceUsbSerialSetup(int unk);
 +
</source>
 +
 
 +
=== sceUsbSerialStatus ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69-3.60 || 0xA6A2F5DE
−
! NID
+
|}
 +
 
 +
User wrapper for [[#sceUsbSerialStatusForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Close USB serial device
 +
*
 +
* @return Returns 1 when serial port is open
 +
*
 +
* @note Wrapper for kernel function sceUsbSerialStatusForDriver()
 +
*/
 +
int sceUsbSerialStatus(void);
 +
</source>
 +
 
 +
=== sceUsbSerialClose ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 1.69-3.60 || 0xF2415853
−
| 0x290E08B4
 
 
|}
 
|}
−
User wrapper for <code>0x590B8F97</code>. Must have correct permissions to call.
 
  
−
=== Get Device Status ===
+
User wrapper for [[#sceUsbSerialCloseForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Close USB serial device
 +
*/
 +
int sceUsbSerialClose(void);
 +
</source>
 +
 
 +
<source lang="c">
 +
sceUdcdDeactivateForDriver();
 +
sceUdcdStopForDriver("USBSerDriver", 0, 0);
 +
sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
 +
sceUdcdStartForDriver("USBDeviceControllerDriver", 0, 0);
 +
sceUdcdStartForDriver("USB_MTP_Driver", 0, 0);
 +
sceUdcdActivateForDriver(0x4E4);
 +
</source>
 +
 
 +
=== sceUsbSerialGetRecvBufferSize ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69-3.60 || 0xE8567A87
−
! NID
+
|}
 +
 
 +
User wrapper for [[#sceUsbSerialGetRecvBufferSizeForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Get receive buffer length
 +
*
 +
* @return Returns length of USB rx buffer
 +
*/
 +
unsigned int sceUsbSerialGetRecvBufferSize(void);
 +
</source>
 +
 
 +
=== sceUsbSerialSend ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 1.69-3.60 || 0x89E71202
−
| 0xA6A2F5DE
 
 
|}
 
|}
−
User wrapper for <code>0x8C426906</code>. Must have correct permissions to call.
 
  
−
=== Close USB serial device ===
+
User wrapper for [[#sceUsbSerialSendForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Send data
 +
* @param[in] *buffer data to send over usb
 +
* @param len int len of serial buffer data
 +
* @param unk1 Unknown
 +
* @param unk2 Unknown
 +
* @note len max value is 0x10000
 +
*/
 +
unsigned int sceUsbSerialSend(const void *buffer, unsigned int len, int unk1, int unk2);
 +
</source>
 +
 
 +
=== sceUsbSerialRecv ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 1.69-3.60 || 0xF26DC8D8
−
! NID
+
|}
 +
 
 +
User wrapper for [[#sceUsbSerialRecvForDriver]]. Must have correct permissions to call.
 +
 
 +
<source lang="c">
 +
/**
 +
* Receive Data
 +
*
 +
* @param[out] *buffer buffer for incoming data
 +
* @param max_len max data length to receive
 +
* @param unk1 Unknown
 +
* @param unk2 Unknown
 +
* @note max_len max value is 0x10000
 +
*/
 +
unsigned int sceUsbSerialRecv(void *buffer, unsigned int max_len, int unk1, int unk2);
 +
</source>
 +
 
 +
=== SceUsbSerial_0ACC8A92 ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 2.10-3.60 || 0x0ACC8A92
−
| 0xF2415853
 
 
|}
 
|}
−
User wrapper for <code>0xE6B1E64F</code>. Must have correct permissions to call.
 
  
−
=== Get receive buffer length ===
+
=== SceUsbSerial_2C08272C ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 2.10-3.60 || 0x2C08272C
−
! NID
+
|}
 +
 
 +
=== SceUsbSerial_405DB744 ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 2.10-3.60 || 0x405DB744
−
| 0xE8567A87
 
 
|}
 
|}
−
User wrapper for <code>0xF531B5AE</code>. Must have correct permissions to call.
 
  
−
=== Send Data ===
+
=== SceUsbSerial_60D93778 ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 2.10-3.60 || 0x60D93778
−
! NID
+
|}
 +
 
 +
=== SceUsbSerial_642F8F19 ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 2.10-3.60 || 0x642F8F19
−
| 0x89E71202
 
 
|}
 
|}
−
User wrapper for <code>0x0C2E73C0</code>. Must have correct permissions to call. Max length is <code>0x10000</code>.
 
  
−
=== Receive Data ===
+
=== SceUsbSerial_923535FA ===
 
{| class="wikitable"
 
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
! Version
+
| 2.10-3.60 || 0x923535FA
−
! NID
+
|}
 +
 
 +
=== SceUsbSerial_A281DF87 ===
 +
{| class="wikitable"
 +
! Version !! NID
 
|-
 
|-
−
| 1.69
+
| 2.10-3.60 || 0xA281DF87
−
| 0xF26DC8D8
 
 
|}
 
|}
−
User wrapper for <code>0x6B5E296F</code>. Must have correct permissions to call. Max length is <code>0x10000</code>.
 
  
−
== Sample Usage ==
+
== Sample Kernel Usage ==
  
 
<source lang="c">
 
<source lang="c">
−
int usb_serial_connect(void)
+
int usb_serial_connect(void) {
−
{
 
 
     int ret;
 
     int ret;
  
−
     ret = SceUsbSerialForDriver_0x8C426906_status();
+
     ret = sceUsbSerialStatusForDriver();
−
     printf("SceUsbSerialForDriver_0x8C426906_status: 0x%08X\n", ret);
+
     printf("sceUsbSerialStatusForDriver: 0x%08X\n", ret);
−
     if (ret != 0x80244401)
+
     if (ret != 0x80244401) {
−
    {
 
 
         printf("already connected\n");
 
         printf("already connected\n");
 
         return 0;
 
         return 0;
 
     }
 
     }
  
−
     ret = SceUsbSerialForDriver_0xFEE7F4BA_start();
+
     ret = sceUsbSerialStartForDriver();
−
     printf("SceUsbSerialForDriver_0xFEE7F4BA_start: 0x%08X\n", ret);
+
     printf("sceUsbSerialStartForDriver: 0x%08X\n", ret);
−
     ret = SceUsbSerialForDriver_0x590B8F97_setup(1);
+
     ret = sceUsbSerialSetupForDriver(1);
−
     printf("SceUsbSerialForDriver_0x590B8F97_setup: 0x%08X\n", ret);
+
     printf("sceUsbSerialSetupForDriver: 0x%08X\n", ret);
  
−
     if (ret == 0x80244403)
+
     if (ret == 0x80244403) {
−
    {
 
 
         ret = SceUsbSerialForDriver_0x6AA4EFA4();
 
         ret = SceUsbSerialForDriver_0x6AA4EFA4();
 
         printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
 
         printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
−
         ret = SceUsbSerialForDriver_0x590B8F97_setup(1);
+
         ret = sceUsbSerialSetupForDriver(1);
−
         printf("SceUsbSerialForDriver_0x590B8F97_setup: 0x%08X\n", ret);
+
         printf("sceUsbSerialSetupForDriver: 0x%08X\n", ret);
 
     }
 
     }
  
−
     while (SceUsbSerialForDriver_0x8C426906_status() != 1); // wait for ready
+
     while (sceUsbSerialStatusForDriver() != 1); // wait for ready
  
 
     return 0;
 
     return 0;
 
}
 
}
  
−
int usb_serial_close(void)
+
int usb_serial_close(void) {
−
{
 
 
     int ret;
 
     int ret;
  
 
     ret = SceUsbSerialForDriver_0x6AA4EFA4();
 
     ret = SceUsbSerialForDriver_0x6AA4EFA4();
 
     printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
 
     printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
−
     ret = SceUsbSerialForDriver_0xE6B1E64F_close();
+
     ret = sceUsbSerialCloseForDriver();
−
     printf("SceUsbSerialForDriver_0xE6B1E64F_close: 0x%08X\n", ret);
+
     printf("sceUsbSerialCloseForDriver: 0x%08X\n", ret);
  
 
     return 0;
 
     return 0;
 
}
 
}
  
−
int usb_serial_send(const void *data, unsigned int len)
+
int usb_serial_send(const void *data, unsigned int len) {
−
{
 
 
     int ret;
 
     int ret;
  
−
     ret = SceUsbSerialForDriver_0x0C2E73C0_send(data, len, 0, -1);
+
     ret = sceUsbSerialSendForDriver(data, len, 0, -1);
−
     printf("SceUsbSerialForDriver_0x0C2E73C0_send: 0x%08X\n");
+
     printf("sceUsbSerialSendForDriver: 0x%08X\n");
  
 
     return ret;
 
     return ret;
 
}
 
}
  
−
int usb_serial_recv(void *data, unsigned int len)
+
int usb_serial_recv(void *data, unsigned int len) {
−
{
 
 
     int ret;
 
     int ret;
  
−
     while (SceUsbSerialForDriver_0xF531B5AE_get_len() < len)
+
     while (sceUsbSerialGetRecvBufferSizeForDriver() < len) {
−
    {
+
         if (sceUsbSerialStatusForDriver() != 1)
−
         if (SceUsbSerialForDriver_0x8C426906_status() != 1)
 
−
        {
 
 
             return 0;
 
             return 0;
−
        }
 
 
     }
 
     }
  
−
     ret = SceUsbSerialForDriver_0x6B5E296F_recv(data, len, 0, -1);
+
     ret = sceUsbSerialRecvForDriver(data, len, 0, -1);
−
     printf("SceUsbSerialForDriver_0x6B5E296F_recv: 0x%08X\n");
+
     printf("sceUsbSerialRecvForDriver: 0x%08X\n");
  
 
     return ret;
 
     return ret;
 
}
 
}
−
 
 
</source>
 
</source>
  
−
[[Category:Libraries]]
+
[[Category:ARM]]
 
[[Category:Kernel]]
 
[[Category:Kernel]]
 +
[[Category:Modules]]
 +
[[Category:Library]]

Latest revision as of 21:38, 1 May 2023

Module

Version World Privilege
1.69-3.60 Non-secure Kernel

Libraries

Known NIDs

Version Name World Visibility NID
1.69 SceUsbSerialForDriver Non-secure Kernel 0x8829C2F3
2.10-3.60 SceUsbSerialForDriver Non-secure Kernel not present
1.69-3.60 SceUsbSerial Non-secure User 0x2820117D

SceUsbSerialForDriver

This library does not exist anymore as of FW 3.60.

sceUsbSerialStartForDriver

Version NID
1.69 0xFEE7F4BA 
/**
 * Activate USB serial device
 *
 * @return 0 on success, < 0 on error
 *
 * @note The user is responsible for making sure no other UDC driver is active. This activates UDC as a "PS Vita" Type D device.
 */
int sceUsbSerialStartForDriver(void);

sceUsbSerialSetupForDriver

Version NID
1.69 0x590B8F97 
/**
 * Setup USB serial device
 *
 * @return 0 on success, < 0 on error
 *
 * @param unk Unknown
 */
int sceUsbSerialSetupForDriver(int unk);

sceUsbSerialStatusForDriver

Version NID
1.69 0x8C426906 
/**
 * Get USB device status
 *
 * @return Returns 1 when serial port is open
 */
int sceUsbSerialStatusForDriver(void);

sceUsbSerialCloseForDriver

Version NID
1.69 0xE6B1E64F 
/**
 * Close USB serial device
 */
int sceUsbSerialCloseForDriver(void);

sceUsbSerialGetRecvBufferSizeForDriver

Version NID
1.69 0xF531B5AE 
/**
 * Get receive buffer length
 *
 * @return Returns length of USB rx buffer
 */
unsigned int sceUsbSerialGetRecvBufferSizeForDriver(void);

sceUsbSerialSendForDriver

Version NID
1.69 0x0C2E73C0 
/**
 * Send data
 *
 * @param[in] *buffer data to send over usb
 * @param[in] len int len of serial buffer data
 * @param unk1 Unknown
 * @param unk2 Unknown
 * @note max send length is 0x10000
 */
unsigned int sceUsbSerialSendForDriver(const void *buffer, unsigned int len, int unk1, int unk2);

sceUsbSerialRecvForDriver

Version NID
1.69 0x6B5E296F 
/**
 * Receive Data
 *
 * @param[out] *buffer buffer for incoming data
 * @param[in] max_len max data length to receive
 * @param unk1 Unknown
 * @param unk2 Unknown
 * @note max recv length is 0x10000
 */
unsigned int sceUsbSerialRecvForDriver(void *buffer, unsigned int max_len, int unk1, int unk2);

SceUsbSerial

sceUsbSerialStart

Version NID
1.69-3.60 0xE3BEC18C

User wrapper for #sceUsbSerialStartForDriver.

Checks SceSblACMgr#sceSblACMgrIsAllowUsbSerialForDriver. 

/**
 * Activate USB serial device
 *
 * @return 0 on success, < 0 on error
 *
 * @note The user is responsible for making sure no other UDC driver is active. This activates UDC as a "PS Vita" Type D device.
 *
 * @note Wrapper for kernel function sceUsbSerialStartForDriver()
 */
int sceUsbSerialStart(void);
int ret = 0;
sceUdcdDeactivateForDriver(a1, a2, a3, (*(uint32_t *)(/*data_81003000*/)) << 0x17);
sceUdcdStopForDriver("USB_MTP_Driver", 0, 0);
sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
ret = sceUdcdStartForDriver("USBDeviceControllerDriver", 0, 0);
if (ret != 0)
    return ret;
ret = sceUdcdStartForDriver("USBSerDriver", 0, 0);
if (ret != 0) {
    sceUdcdStopForDriver("USBSerDriver", 0, 0);
    return ret;
}
ret = sceUdcdActivateForDriver(0x69B);
if (ret != 0) {
    sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
    return ret;
}
return ret;

sceUsbSerialSetup

Version NID
1.69-3.60 0x290E08B4

User wrapper for #sceUsbSerialSetupForDriver. Must have correct permissions to call. 

/**
 * Setup USB serial device
 *
 * @return 0 on success, < 0 on error
 *
 * @param unk Unknown
 *
 * @note Wrapper for kernel function sceUsbSerialSetupForDriver()
 */
int sceUsbSerialSetup(int unk);

sceUsbSerialStatus

Version NID
1.69-3.60 0xA6A2F5DE

User wrapper for #sceUsbSerialStatusForDriver. Must have correct permissions to call. 

/**
 * Close USB serial device
 *
 * @return Returns 1 when serial port is open
 *
 * @note Wrapper for kernel function sceUsbSerialStatusForDriver()
 */
int sceUsbSerialStatus(void);

sceUsbSerialClose

Version NID
1.69-3.60 0xF2415853

User wrapper for #sceUsbSerialCloseForDriver. Must have correct permissions to call. 

/**
 * Close USB serial device
 */
int sceUsbSerialClose(void);
sceUdcdDeactivateForDriver();
sceUdcdStopForDriver("USBSerDriver", 0, 0);
sceUdcdStopForDriver("USBDeviceControllerDriver", 0, 0);
sceUdcdStartForDriver("USBDeviceControllerDriver", 0, 0);
sceUdcdStartForDriver("USB_MTP_Driver", 0, 0);
sceUdcdActivateForDriver(0x4E4);

sceUsbSerialGetRecvBufferSize

Version NID
1.69-3.60 0xE8567A87

User wrapper for #sceUsbSerialGetRecvBufferSizeForDriver. Must have correct permissions to call. 

/**
 * Get receive buffer length
 *
 * @return Returns length of USB rx buffer
 */
unsigned int sceUsbSerialGetRecvBufferSize(void);

sceUsbSerialSend

Version NID
1.69-3.60 0x89E71202

User wrapper for #sceUsbSerialSendForDriver. Must have correct permissions to call. 

/**
 * Send data
 * @param[in] *buffer data to send over usb
 * @param len int len of serial buffer data
 * @param unk1 Unknown
 * @param unk2 Unknown
 * @note len max value is 0x10000
 */
unsigned int sceUsbSerialSend(const void *buffer, unsigned int len, int unk1, int unk2);

sceUsbSerialRecv

Version NID
1.69-3.60 0xF26DC8D8

User wrapper for #sceUsbSerialRecvForDriver. Must have correct permissions to call. 

/**
 * Receive Data
 *
 * @param[out] *buffer buffer for incoming data
 * @param max_len max data length to receive
 * @param unk1 Unknown
 * @param unk2 Unknown
 * @note max_len max value is 0x10000
 */
unsigned int sceUsbSerialRecv(void *buffer, unsigned int max_len, int unk1, int unk2);

SceUsbSerial_0ACC8A92

Version NID
2.10-3.60 0x0ACC8A92

SceUsbSerial_2C08272C

Version NID
2.10-3.60 0x2C08272C

SceUsbSerial_405DB744

Version NID
2.10-3.60 0x405DB744

SceUsbSerial_60D93778

Version NID
2.10-3.60 0x60D93778

SceUsbSerial_642F8F19

Version NID
2.10-3.60 0x642F8F19

SceUsbSerial_923535FA

Version NID
2.10-3.60 0x923535FA

SceUsbSerial_A281DF87

Version NID
2.10-3.60 0xA281DF87

Sample Kernel Usage

int usb_serial_connect(void) {
    int ret;

    ret = sceUsbSerialStatusForDriver();
    printf("sceUsbSerialStatusForDriver: 0x%08X\n", ret);
    if (ret != 0x80244401) {
        printf("already connected\n");
        return 0;
    }

    ret = sceUsbSerialStartForDriver();
    printf("sceUsbSerialStartForDriver: 0x%08X\n", ret);
    ret = sceUsbSerialSetupForDriver(1);
    printf("sceUsbSerialSetupForDriver: 0x%08X\n", ret);

    if (ret == 0x80244403) {
        ret = SceUsbSerialForDriver_0x6AA4EFA4();
        printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
        ret = sceUsbSerialSetupForDriver(1);
        printf("sceUsbSerialSetupForDriver: 0x%08X\n", ret);
    }

    while (sceUsbSerialStatusForDriver() != 1); // wait for ready

    return 0;
}

int usb_serial_close(void) {
    int ret;

    ret = SceUsbSerialForDriver_0x6AA4EFA4();
    printf("SceUsbSerialForDriver_0x6AA4EFA4: 0x%08X\n", ret);
    ret = sceUsbSerialCloseForDriver();
    printf("sceUsbSerialCloseForDriver: 0x%08X\n", ret);

    return 0;
}

int usb_serial_send(const void *data, unsigned int len) {
    int ret;

    ret = sceUsbSerialSendForDriver(data, len, 0, -1);
    printf("sceUsbSerialSendForDriver: 0x%08X\n");

    return ret;
}

int usb_serial_recv(void *data, unsigned int len) {
    int ret;

    while (sceUsbSerialGetRecvBufferSizeForDriver() < len) {
        if (sceUsbSerialStatusForDriver() != 1)
            return 0;
    }

    ret = sceUsbSerialRecvForDriver(data, len, 0, -1);
    printf("sceUsbSerialRecvForDriver: 0x%08X\n");

    return ret;
}
Retrieved from "http://wiki.henkaku.xyz/vita/index.php?title=SceUsbSerial&oldid=19660"