Wiznet WIZ-iRadio User Manual download pdf (Page 23)

WIZ-iRadio User’s Manual

This “rom.bin” file can be updated through network by using Configuration Tool.

4.4. Firmware Operation Process

Figure 16. Firmware Operation Process

6) Check_DHCP_state

7) IR_MainProc

8) Recv_ConfigMsg

9) check socket status

1) Initialize device

a. GPIO

b. Clock

c. Setting EMI(External Memory Interface)

CS1 for W5100, CS2 for external SRAM and CS3 for LCD

d. Timer

e. DMA request of VS1033

f. SPI interface for VS1033

g. I2C for EEPROM

h. LCD

2) Read channel information from Flash

3) Read configuration data from EEPROM

4) Network setting : DHCP or Static

5) Socket open for configuration channel & DHCP channel

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Wiznet WIZ-iRadio User Manual Page 23