void SPI1_Init() {
MapleSPIFrequency freq;
uint32 spi_num, endian, prescale, mode;
serialUsbPrintlnWaitForInput("***In SPI1_Init()");
//serialUsbPrintln("***In SPI1_Init()");
// set up CS pin
ZG2100_CSInit();
ZG2100_CSon();
pinMode(D2, INPUT);
// init SPI
spi_num = 1;
endian = SPI_MSBFIRST;
//freq = MAPLE_SPI_4_5MHZ;
freq = MAPLE_SPI_9MHZ;
prescale = prescaleFactors[freq]; // only valid for SPI1
mode = 0;
spi_init(spi_num, prescale, endian, mode);
//serialUsbPrintlnWaitForInput("*** Done with spi_init.");
serialUsbPrintln("*** Done with spi_init.");
}
void zg_init()
{
U8 clr;
ZG2100_SpiInit();
ZG2100_CSInit();
ZG2100_CSon();
clr = SPSR;
clr = SPDR;
intr_occured = 0;
intr_valid = 0;
zg_drv_state = DRV_STATE_INIT;
zg_conn_status = 0;
tx_ready = 0;
rx_ready = 0;
cnf_pending = 0;
zg_buf = uip_buf;
zg_buf_len = UIP_BUFSIZE;
zg_chip_reset();
zg_interrupt2_reg();
zg_interrupt_reg(0xff, 0);
zg_interrupt_reg(0x80|0x40, 1);
ssid_len = (U8)strlen_P(ssid);
security_passphrase_len = (U8)strlen_P(security_passphrase);
}
void spi_transfer(volatile unsigned char* buf, unsigned int len, unsigned char toggle_cs)
{
unsigned int i;
ZG2100_CSoff();
for (i = 0; i < len; i++) {
buf[i] = spiSendByte(buf[i]);
}
if (toggle_cs)
ZG2100_CSon();
return;
}
void spi_transfer(volatile U8* buf, U16 len, U8 toggle_cs)
{
U16 i;
ZG2100_CSoff();
for (i = 0; i < len; i++) {
ZG2100_SpiSendData(buf[i]); // Start the transmission
buf[i] = ZG2100_SpiRecvData();
}
if (toggle_cs)
ZG2100_CSon();
return;
}