void SpiInit(void)
{
// SPI config
JshSPIInfo inf;
jshSPIInitInfo(&inf);
inf.pinSCK = WLAN_CLK_PIN;
inf.pinMISO = WLAN_MISO_PIN;
inf.pinMOSI = WLAN_MOSI_PIN;
inf.baudRate = 100000; // FIXME - just slow for debug
inf.spiMode = SPIF_SPI_MODE_1; // Mode 1 CPOL= 0 CPHA= 1
jshSPISetup(WLAN_SPI, &inf);
// WLAN CS, EN and WALN IRQ Configuration
jshSetPinStateIsManual(WLAN_CS_PIN, false);
jshPinOutput(WLAN_CS_PIN, 1); // de-assert CS
jshSetPinStateIsManual(WLAN_EN_PIN, false);
jshPinOutput(WLAN_EN_PIN, 0); // disable WLAN
jshSetPinStateIsManual(WLAN_IRQ_PIN, true);
jshPinSetState(WLAN_IRQ_PIN, JSHPINSTATE_GPIO_IN_PULLUP); // flip into read mode with pullup
// wait a little (ensure that WLAN takes effect)
jshDelayMicroseconds(500*1000); // force a 500ms delay! FIXME
}
/*JSON{ "type":"staticmethod",
"class" : "WIZnet", "name" : "connect",
"generate" : "jswrap_wiznet_connect",
"description" : "Initialise the WIZnet module and return an Ethernet object",
"params" : [ ],
"return" : ["JsVar", "An Ethernet Object"], "return_object":"Ethernet"
}*/
JsVar *jswrap_wiznet_connect() {
JsVar *ethObj = jspNewObject(0, "Ethernet");
// SPI config
JshSPIInfo inf;
jshSPIInitInfo(&inf);
inf.pinSCK = ETH_CLK_PIN;
inf.pinMISO = ETH_MISO_PIN;
inf.pinMOSI = ETH_MOSI_PIN;
inf.baudRate = 1000000;
inf.spiMode = SPIF_SPI_MODE_0;
jshSPISetup(ETH_SPI, &inf);
// CS Configuration
jshSetPinStateIsManual(ETH_CS_PIN, false);
jshPinOutput(ETH_CS_PIN, 1); // de-assert CS
// Wiznet
reg_wizchip_cs_cbfunc(wizchip_select, wizchip_deselect);
reg_wizchip_spi_cbfunc(wizchip_read, wizchip_write);
/* wizchip initialize*/
uint8_t tmp;
uint8_t memsize[2][8] = { {2,2,2,2,2,2,2,2},{2,2,2,2,2,2,2,2}};
if(ctlwizchip(CW_INIT_WIZCHIP,(void*)memsize) == -1)
{
jsiConsolePrint("WIZCHIP Initialized fail.\r\n");
return 0;
}
/* PHY link status check */
do {
if(ctlwizchip(CW_GET_PHYLINK, (void*)&tmp) == -1) {
jsiConsolePrint("Unknown PHY Link status.\r\n");
return 0;
}
} while (tmp == PHY_LINK_OFF);
JsNetwork net;
networkCreate(&net, JSNETWORKTYPE_W5500);
networkFree(&net);
networkState = NETWORKSTATE_ONLINE;
return ethObj;
}
/** Reset any devices that could have been set up differently by JS code.
* Called from jshReset */
void jshResetDevices() {
unsigned int i;
// Reset list of pins that were set manually
jshResetPinStateIsManual();
// setup flow control
for (i=0;i<sizeof(jshSerialDeviceStates) / sizeof(JshSerialDeviceState);i++)
jshSerialDeviceStates[i] = SDS_NONE;
jshSerialDeviceStates[TO_SERIAL_DEVICE_STATE(EV_USBSERIAL)] = SDS_FLOW_CONTROL_XON_XOFF;
// reset callbacks for events
for (i=EV_EXTI0;i<=EV_EXTI_MAX;i++)
jshEventCallbacks[i-EV_EXTI0] = 0;
// Reset pin state for button
#ifdef BTN1_PININDEX
#ifdef BTN1_PINSTATE
jshSetPinStateIsManual(BTN1_PININDEX, true); // so subsequent reads don't overwrite the state
jshPinSetState(BTN1_PININDEX, BTN1_PINSTATE);
#else
jshPinSetState(BTN1_PININDEX, JSHPINSTATE_GPIO_IN);
#endif
#endif
}
/*JSON{
"type" : "staticmethod",
"class" : "WIZnet",
"name" : "connect",
"generate" : "jswrap_wiznet_connect",
"params" : [
["spi", "JsVar", "Device to use for SPI (or undefined to use the default)"],
["cs", "pin", "The pin to use for Chip Select"]
],
"return" : ["JsVar","An Ethernet Object"],
"return_object" : "Ethernet"
}
Initialise the WIZnet module and return an Ethernet object
*/
JsVar *jswrap_wiznet_connect(JsVar *spi, Pin cs) {
IOEventFlags spiDevice;
if (spi) {
spiDevice = jsiGetDeviceFromClass(spi);
if (!DEVICE_IS_SPI(spiDevice)) {
jsExceptionHere(JSET_ERROR, "Expecting SPI device, got %q", spi);
return 0;
}
} else {
// SPI config
JshSPIInfo inf;
jshSPIInitInfo(&inf);
inf.pinSCK = ETH_CLK_PIN;
inf.pinMISO = ETH_MISO_PIN;
inf.pinMOSI = ETH_MOSI_PIN;
inf.baudRate = 1000000;
inf.spiMode = SPIF_SPI_MODE_0;
jshSPISetup(ETH_SPI, &inf);
spiDevice = ETH_SPI;
}
if (!jshIsPinValid(cs))
cs = ETH_CS_PIN;
JsNetwork net;
networkCreate(&net, JSNETWORKTYPE_W5500);
net.data.device = spiDevice;
net.data.pinCS = cs;
networkSet(&net);
JsVar *ethObj = jspNewObject(0, "Ethernet");
// CS Configuration
jshSetPinStateIsManual(net.data.pinCS, false);
jshPinOutput(net.data.pinCS, 1); // de-assert CS
// Initialise WIZnet functions
reg_wizchip_cs_cbfunc(wizchip_select, wizchip_deselect);
reg_wizchip_spi_cbfunc(wizchip_read, wizchip_write);
/* wizchip initialize*/
uint8_t tmp;
uint8_t memsize[2][8] = { {2,2,2,2,2,2,2,2}, {2,2,2,2,2,2,2,2}};
if(ctlwizchip(CW_INIT_WIZCHIP,(void*)memsize) == -1)
{
jsiConsolePrint("WIZnet Initialize failed.\r\n");
networkFree(&net);
return 0;
}
#if _WIZCHIP_ == 5500
/* PHY link status check - W5100 doesn't have this */
do {
if(ctlwizchip(CW_GET_PHYLINK, (void*)&tmp) == -1) {
jsiConsolePrint("Unknown PHY Link status.\r\n");
networkFree(&net);
return 0;
}
} while (tmp == PHY_LINK_OFF);
#endif
networkFree(&net);
networkState = NETWORKSTATE_ONLINE;
return ethObj;
}
