System Platform Supporting Infrared Receiver/Transmitter and Operation Method Thereof

• US 20150019855A1
• Filed: 07/10/2014
• Published: 01/15/2015
• Est. Priority Date: 07/11/2013
• Status: Active Grant

• Current Assignee: Insyde Software Corp
• Original Assignee: Insyde Software Corp
• Inventors: CHEN, Po Sen
• Granted Patent: US 9,858,087 B2
• Time in Patent Office: Days
• US Class Current: 713/2
• CPC Class Codes: G06F 13/102 where the programme performs an interfacing function, e.g. device driver G06F13/105 takes precedence; scheduling within device drivers G06F9/52; contention policies within device drivers G06F9/4881
• CPC Class Codes: G06F 9/4411 Configuring for operating with peripheral devices; Loading of device drivers
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

An operation method of a system platform includes steps of: transmitting, by an infrared receiver, a received infrared signal to a transmission interface; transmitting, by the transmission interface, an interrupt notification signal to an operation system power management agent (OSPM) through an advanced configuration and power interface (ACPI); receiving, by an infrared application program of an operating system, the interrupt notification signal from the OSPM, so as to generate a system management interrupt (SMI) in a universal extensible firmware interface (UEFI) basic input output system (BIOS) to execute a system management mode (SMM) program; and executing, by the UEFI BIOS, a decoding driver program, and receiving the infrared signal from the transmission interface, so as to decode the infrared signal into event data, and store the event data in a storage device.

Claims

1. An operation method of a system platform, comprising:

transmitting, by an infrared receiver, a received infrared signal to a transmission interface;

transmitting, by the transmission interface, an interrupt notification signal from an advanced configuration and power interface (ACPI) to an operation system power management agent (OSPM);

receiving, by an infrared application program of an operating system, the interrupt notification signal from the OSPM, so as to generate a system management interrupt (SMI) in a universal extensible firmware interface (UEFI) basic input output system (BIOS), so as to execute a system management mode (SMM) program; and

executing, by the UEFI BIOS, a decoding driver program, receiving the infrared signal from the transmission interface, so as to decode the infrared signal into event data, and store the event data in a storage device.

2. The operation method of a system platform according to claim 1, further comprising:

returning from the SMM program to execute the infrared application program;

accessing the event data from the storage device; and

generating an event according to the event data accessed from the storage device.

3. The operation method of a system platform according to claim 1, further comprising:

executing an infrared application program running under the operating system so as to store event data in the storage device;

generating an SMI in the UEFI BIOS to execute a SMM program;

executing, by the UEFI BIOS, a coding driver program, so that the storage device accesses the event data and codes the event data into an infrared impulse signal; and

transmitting, by the UEFI BIOS, the infrared impulse signal to an infrared transmitter through the transmission interface.

4. The operation method of a system platform according to claim 3, further comprising:

adding, by the infrared transmitter, a carrier signal into the infrared impulse signal to generate an infrared signal; and

transmitting the infrared signal to an infrared receiver at external of the system platform.

5. The operation method of a system platform according to claim 4, further comprising:

outputting, by a carrier of the infrared transmitter, a carrier signal to an input terminal of an AND gate of the infrared transmitter;

outputting, by the transmission interface, the infrared impulse signal to the other input terminal of the AND gate;

performing, by the AND gate, an AND gate operation on the carrier signal and the infrared impulse signal to generate an infrared signal, and outputting the infrared signal to an infrared light emitting diode (LED) of the infrared transmitter; and

transmitting, by the infrared LED, the infrared signal to an infrared receiver at external of the system platform.

6. The operation method of a system platform according to claim 1, wherein the transmission interface is one of a general purpose input output (GPIO), a radio frequency (RF) interface, a Bluetooth, a near field communication (NFC) interface, a secure digital input/output (SD I/O), a serial peripheral interface (SPI), and a universal serial bus (USB).

7. An operation method of a system platform, comprising:

transmitting, by an infrared receiver, a received infrared signal to a transmission interface;

executing, by a universal extensible firmware interface (UEFI) basic input output system (BIOS), a decoding driver program thereof, wherein the UEFI BIOS monitors the transmission interface, so as to receive the infrared signal transmitted by the transmission interface; and

decoding, by the UEFI BIOS, the infrared signal into event data, and storing the event data in a storage device.

8. The operation method of a system platform according to claim 7, further comprising:

checking, by the UEFI BIOS, to see whether the infrared signal is correct; and

generating, by the UEFI BIOS, an event according to the event data.

9. The operation method of a system platform according to claim 7, further comprising:

receiving, by the UEFI BIOS, an infrared transmission request, so as to execute a coding driver program of the UEFI BIOS;

coding, by the UEFI BIOS, event data into an infrared impulse signal; and

transmitting, by the UEFI BIOS, the infrared impulse signal to the infrared transmitter through the transmission interface,

10. The operation method of a system platform according to claim 9, further comprising:

adding, by the infrared transmitter, a carrier signal into the infrared impulse signal to generate an infrared signal; and

transmitting the infrared signal to an infrared receiver at external of the system platform.

11. The operation method of a system platform according to claim 10, further comprising:

outputting, by a carrier of the infrared transmitter, a carrier signal to an input terminal of an AND gate of the infrared transmitter;

transmitting, by the transmission interface, the infrared impulse signal to the other input terminal of the AND gate;

performing, by the AND gate, an AND gate operation on the carrier signal and the infrared impulse signal to generate an infrared signal, and outputting the infrared signal to an infrared light emitting diode (LED) of the infrared transmitter; and

transmitting, by the infrared LED, the infrared signal to an infrared receiver at external of the system platform.

12. The operation method of a system platform according to claim 7, wherein the transmission interface is one of a general purpose input output (GPIO), a radio frequency (RF) interface, a Bluetooth, a near field communication (NFC) interface, a secure digital input/output (SD I/O), a serial peripheral interface (SPI), and a universal serial bus (USB).

13. A system platform, comprising:

an infrared receiver, used to receive an infrared signal in an operating system stage;

a transmission interface, used to receive the infrared signal transmitted by the infrared receiver;

an advanced configuration and power interface (ACPI), used to receive an interrupt notification signal sent by the transmission interface;

an operation system power management agent (OSPM), used to receive the interrupt notification signal sent by the ACPI;

a UEFI BIOS, used to receive the infrared signal from the transmission interface, and decode the infrared signal into event data; and

a storage device, used for the UEFI BIOS to store the event data therein,

wherein an infrared application program running under the operating system receives the interrupt notification signal of the OSPM, so as to generate a system management interrupt (SMI) in the UEFI BIOS to execute a system management mode (SMM) program;

the UEFI BIOS executes a decoding driver program, receives the infrared signal from the transmission interface and decodes the infrared signal into the event data, and stores the event data in the storage device.

14. The system platform according to claim 13, wherein the system platform returns from the SMM program to execute the infrared application program, accesses the event data from the storage device, and generates an event according to the event data accessed from the storage device.

15. The system platform according to claim 13, further comprising:

an infrared transmitter, used to convert an infrared impulse signal into the infrared signal, and transmit the infrared signal, wherein the system platform executes an infrared application program running under the operating system to generate an SMI in the UEFI BIOS, so as to execute an SMM program;

the UEFI BIOS executes a coding driver program, so as to code event data accessed from the storage device into the infrared impulse signal; and

the UEFI BIOS transmits the infrared impulse signal to the infrared transmitter through the transmission interface.

16. The system platform according to claim 13, wherein the transmission interface is one of a general purpose input output (GPIO), a radio frequency (RF) interface, a Bluetooth, a near field communication (NFC) interface, a secure digital input/output (SD I/O), a serial peripheral interface (SPI), and a universal serial bus (USB).

17. A system platform, comprising:

an infrared receiver, used to receive an infrared signal in a booting stage;

a transmission interface, used to receive the infrared signal transmitted by the infrared receiver;

a universal extensible firmware interface (UEFI) basic input output system (BIOS), used to receive the infrared signal transmitted by the transmission interface, and decode the infrared signal into event data; and

a storage device, used for the UEFI BIOS to store the event data therein,

wherein the UEFI BIOS executes a decoding driver program, monitors the transmission interface, decodes the infrared signal transmitted by the transmission interface into the event data, and stores the event data in the storage device.

18. The system platform according to claim 17, wherein the UEFI BIOS checks to see whether the infrared signal is correct and generates an event according to the event data.

19. The system platform according to claim 17, further comprising:

an infrared transmitter, used to convert an infrared impulse signal into the infrared signal, and transmit the infrared signal, wherein the UEFI BIOS receives an infrared transmission request to execute a coding driver program of the UEFI BIOS, and transmits the infrared impulse signal to the infrared transmitter through the transmission interface.

20. The system platform according to claim 17, wherein the transmission interface is one of a general purpose input output (GPIO), a radio frequency (RF) interface, a Bluetooth, a near field communication (NFC) interface, a secure digital input/output (SD I/O), a serial peripheral interface (SPI), and a universal serial bus (USB).