adding feature to send data from flash memory

Author: Jeremy Ruhland (hatchery)

ESP8266.cpp

@@ -388,6 +388,16 @@ bool ESP8266::send(const uint8_t *buffer, uint32_t len)
  return sATCIPSENDSingle(buffer, len);
 }
 
+bool ESP8266::sendFromFlash(uint8_t mux_id, const uint8_t *buffer, uint32_t len)
+{
+ return sATCIPSENDMultipleFromFlash(mux_id, buffer, len);
+}
+
+bool ESP8266::sendFromFlash(const uint8_t *buffer, uint32_t len)
+{
+ return sATCIPSENDSingleFromFlash(buffer, len);
+}
+
 bool ESP8266::send(uint8_t mux_id, const uint8_t *buffer, uint32_t len)
 {
  return sATCIPSENDMultiple(mux_id, buffer, len);
@@ -1191,6 +1201,36 @@ bool ESP8266::sATCIPSENDMultiple(uint8_t mux_id, const uint8_t *buffer, uint32_t
  }
  return false;
 }
+bool ESP8266::sATCIPSENDSingleFromFlash(const uint8_t *buffer, uint32_t len)
+{
+ rx_empty();
+ m_puart->print("AT+CIPSEND=");
+ m_puart->println(len);
+ if (recvFind(">", 5000)) {
+ rx_empty();
+ for (uint32_t i = 0; i < len; i++) {
+ m_puart->write(pgm_read_byte(buffer[i]));
+ }
+ return recvFind("SEND OK", 10000);
+ }
+ return false;
+}
+bool ESP8266::sATCIPSENDMultipleFromFlash(uint8_t mux_id, const uint8_t *buffer, uint32_t len)
+{
+ rx_empty();
+ m_puart->print("AT+CIPSEND=");
+ m_puart->print(mux_id);
+ m_puart->print(",");
+ m_puart->println(len);
+ if (recvFind(">", 5000)) {
+ rx_empty();
+ for (uint32_t i = 0; i < len; i++) {
+ m_puart->write(pgm_read_byte(buffer[i]));
+ }
+ return recvFind("SEND OK", 10000);
+ }
+ return false;
+}
 bool ESP8266::sATCIPCLOSEMulitple(uint8_t mux_id)
 {
  String data;

ESP8266.h

@@ -556,6 +556,27 @@ class ESP8266 {
  */
  bool send(uint8_t mux_id, const uint8_t *buffer, uint32_t len);
 
+ /**
+ * Send data based on TCP or UDP builded already in single mode. 
+ * 
+ * @param buffer - the buffer of data to send from flash memeory. 
+ * @param len - the length of data to send. 
+ * @retval true - success.
+ * @retval false - failure.
+ */
+ bool sendFromFlash(const uint8_t *buffer, uint32_t len);
+ 
+ /**
+ * Send data based on one of TCP or UDP builded already in multiple mode. 
+ * 
+ * @param mux_id - the identifier of this TCP(available value: 0 - 4). 
+ * @param buffer - the buffer of data to send from flash memeory. 
+ * @param len - the length of data to send. 
+ * @retval true - success.
+ * @retval false - failure.
+ */
+ bool sendFromFlash(uint8_t mux_id, const uint8_t *buffer, uint32_t len);
+ 
  /**
  * Receive data from TCP or UDP builded already in single mode. 
  *
@@ -672,6 +693,8 @@ class ESP8266 {
  bool sATCIPSTARTMultiple(uint8_t mux_id, String type, String addr, uint32_t port);
  bool sATCIPSENDSingle(const uint8_t *buffer, uint32_t len);
  bool sATCIPSENDMultiple(uint8_t mux_id, const uint8_t *buffer, uint32_t len);
+ bool sATCIPSENDSingleFromFlash(const uint8_t *buffer, uint32_t len);
+ bool sATCIPSENDMultipleFromFlash(uint8_t mux_id, const uint8_t *buffer, uint32_t len);
  bool sATCIPCLOSEMulitple(uint8_t mux_id);
  bool eATCIPCLOSESingle(void);
  bool eATCIFSR(String &list);