Wiznet WIZ810Sio, User Manual

Page: 11 / 16

WIZ810Sio User Manual (WIZnet Co.,Ltd.)
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int16 data_len; // Data length :15bits
uint8 data_buf[]; // Array for data
{
SpiSendData(); //Send data from MCU to W5100S
ISR_DISABLE(); // Interrupt Service Routine disable
CSoff(); // CS=0, SPI start
//OP Write command
SpiSendData(0xF0);
SpiSendData(((addr+idx) & 0xFF00) >> 8); // Address byte 1
SpiSendData((addr+idx) & 0x00FF); // Address byte 2
// Write data: On data_len> 1, Burst Write Processing Mode.
for(int idx = 0; idx<data_len; idx++)
SpiSendData(data_buf[idx]);
CSon(); // CS=1, SPI end
IINCHIP_ISR_ENABLE(); // Interrupt Service Routine disable
}