added commands for ble through spi

Author: andreagilardoni

src/utility/wifi_drv.cpp

@@ -113,7 +113,6 @@ void WiFiDrv::wifiDriverInit()
 
 void WiFiDrv::wifiDriverDeinit()
 {
-    SpiDrv::end();
 }
 
 int8_t WiFiDrv::wifiSetNetwork(const char* ssid, uint8_t ssid_len)
@@ -1633,5 +1632,141 @@ PreferenceType WiFiDrv::prefGetType(const char * key) {
     return type;
 }
 
+int WiFiDrv::bleBegin() {
+    WAIT_FOR_SLAVE_SELECT();
+
+    SpiDrv::sendCmd(BLE_BEGIN, PARAM_NUMS_0);
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint8_t len = 1;
+    uint8_t result = 0;
+    SpiDrv::waitResponseCmd(BLE_BEGIN, PARAM_NUMS_1, (uint8_t*)&result, &len);
+    SpiDrv::spiSlaveDeselect();
+
+    return result == 0;
+}
+
+void WiFiDrv::bleEnd() {
+    WAIT_FOR_SLAVE_SELECT();
+
+    SpiDrv::sendCmd(BLE_END, PARAM_NUMS_0);
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint8_t len = 1;
+    uint8_t result = 0;
+    SpiDrv::waitResponseCmd(BLE_END, PARAM_NUMS_1, (uint8_t*)&result, &len);
+    SpiDrv::spiSlaveDeselect();
+}
+
+int WiFiDrv::bleAvailable() {
+    WAIT_FOR_SLAVE_SELECT();
+    uint16_t result = 0;
+
+    SpiDrv::sendCmd(BLE_AVAILABLE, PARAM_NUMS_0);
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint8_t len = 2;
+    SpiDrv::waitResponseCmd(BLE_AVAILABLE, PARAM_NUMS_1, (uint8_t*)&result, &len);
+    SpiDrv::spiSlaveDeselect();
+
+    return result;
+}
+
+int WiFiDrv::bleRead(uint8_t data[], size_t length) {
+    WAIT_FOR_SLAVE_SELECT();
+
+    SpiDrv::sendCmd(BLE_READ, PARAM_NUMS_1);
+
+    int commandSize = 7; // 4 for the normal command length + 3 for the parameter
+    uint16_t param = length; // TODO check length doesn't exceed 2^16
+    SpiDrv::sendParam((uint8_t*)&param, sizeof(param), LAST_PARAM);
+
+    // pad to multiple of 4
+    while (commandSize % 4 != 0) {
+        SpiDrv::readChar();
+        commandSize++;
+    }
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint16_t res_len = 0;
+    SpiDrv::waitResponseData16(BLE_READ, data, (uint16_t*)&res_len);
+
+    SpiDrv::spiSlaveDeselect();
+
+    return res_len;
+}
+
+int WiFiDrv::blePeek(uint8_t data[], size_t length) {
+    WAIT_FOR_SLAVE_SELECT();
+
+    SpiDrv::sendCmd(BLE_PEEK, PARAM_NUMS_1);
+
+    int commandSize = 7; // 4 for the normal command length + 3 for the parameter
+    uint16_t param = length; // TODO check length doesn't exceed 2^16
+    SpiDrv::sendParam((uint8_t*)&param, sizeof(param), LAST_PARAM);
+
+    // pad to multiple of 4
+    while (commandSize % 4 != 0) {
+        SpiDrv::readChar();
+        commandSize++;
+    }
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint16_t res_len = 0;
+    SpiDrv::waitResponseData16(BLE_READ, data, (uint16_t*)&res_len);
+
+    SpiDrv::spiSlaveDeselect();
+
+    return res_len;
+}
+
+size_t WiFiDrv::bleWrite(const uint8_t* data, size_t len) {
+    WAIT_FOR_SLAVE_SELECT();
+
+    int commandSize = 4;
+    SpiDrv::sendCmd(BLE_WRITE, PARAM_NUMS_1);
+
+    SpiDrv::sendBuffer((uint8_t*)data, len, LAST_PARAM);
+    commandSize += len+2;
+
+    // pad to multiple of 4
+    while (commandSize % 4 != 0) {
+        SpiDrv::readChar();
+        commandSize++;
+    }
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    uint8_t res_len = 1;
+    uint16_t res = 0;
+    SpiDrv::waitResponseCmd(BLE_WRITE, PARAM_NUMS_1, (uint8_t*)&res, &res_len);
+    SpiDrv::spiSlaveDeselect();
+
+    return res;
+}
+
 
 WiFiDrv wiFiDrv;

src/utility/wifi_drv.h

@@ -335,6 +335,13 @@ class WiFiDrv
     static size_t prefGet(const char * key, PreferenceType type, uint8_t value[], size_t len);
     static PreferenceType prefGetType(const char * key);
 
+    static int bleBegin();
+    static void bleEnd();
+    static int bleAvailable();
+    static int bleRead(uint8_t data[], size_t length);
+    static int blePeek(uint8_t data[], size_t length);
+    static size_t bleWrite(const uint8_t* data, size_t length);
+
     static void applyOTA();
 
     friend class WiFiUDP;

src/utility/wifi_spi.h

@@ -99,6 +99,13 @@ enum {
     GET_DATABUF_TCP_CMD		= 0x45,
     INSERT_DATABUF_CMD		= 0x46,
 
+	BLE_BEGIN 				= 0x4A,
+	BLE_END 				= 0x4B,
+	BLE_AVAILABLE			= 0x4C,
+	BLE_PEEK 				= 0x4D,
+	BLE_READ 				= 0x4E,
+	BLE_WRITE 				= 0x4F,
+
     // regular format commands
     SET_PIN_MODE		= 0x50,
     SET_DIGITAL_WRITE	= 0x51,