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#ifndef __SER_BRIDGE_H__
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#define __SER_BRIDGE_H__
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#include <ip_addr.h>
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#include <c_types.h>
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#include <espconn.h>
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#define MAX_CONN 4
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#define SER_BRIDGE_TIMEOUT 300 // 300 seconds = 5 minutes
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// Send buffer size
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#define MAX_TXBUFFER (2*1460)
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enum connModes {
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cmInit = 0, // initialization mode: nothing received yet
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cmPGMInit, // initialization mode for programming
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cmTransparent, // transparent mode
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cmPGM, // Arduino/AVR/ARM programming mode
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cmTelnet, // use telnet escape sequences for programming mode
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};
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typedef struct serbridgeConnData {
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struct espconn *conn;
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enum connModes conn_mode; // connection mode
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uint8_t tn_state; // Telnet state machine state
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char tn_opt ; // Telnet option
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int tn_vlen ; // Telnet option value length
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uint16 txbufferlen; // length of data in txbuffer
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char *txbuffer; // buffer for the data to send
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char *sentbuffer; // buffer sent, awaiting callback to get freed
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uint32_t txoverflow_at; // when the transmitter started to overflow
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bool readytosend; // true, if txbuffer can be sent by espconn_sent
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} serbridgeConnData;
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// port1 is transparent&programming, second port is programming only
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void ICACHE_FLASH_ATTR serbridgeInit(int port1, int port2);
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void ICACHE_FLASH_ATTR serbridgeInitPins(void);
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void ICACHE_FLASH_ATTR serbridgeUartCb(char *buf, short len);
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void ICACHE_FLASH_ATTR serbridgeReset();
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// callback when receiving UART chars when in programming mode
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extern void (*programmingCB)(char *buffer, short length);
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#endif /* __SER_BRIDGE_H__ */
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