mirror of
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148 lines
2.6 KiB
C
148 lines
2.6 KiB
C
/*
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================================================
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Header file for Sprinter-WiFi ISA Card Library
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Author: Roman A. Boykov
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License: BSD 3-Clause
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================================================
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*/
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#include "espdef.h"
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#ifndef __ESPLIB_H
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#define __ESPLIB_H
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#define DEBUG
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/* Size of buffer for last response line */
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#define LSTR_SIZE 20
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#define LF 0x0A
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#define CR 0x0D
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enum CMD_RESULT { RESULT_OK, RESULT_ERROR, RESULT_FAIL, RESULT_TX_TIMEOUT, RESULT_RS_TIMEOUT, RESULT_CONNECTED, RESULT_NOT_CONNECTED, RESULT_ENABLED, RESULT_DISABLED };
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/*
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Small delay
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delay - number of ms, if delay=0, then 20ms
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*/
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void util_delay(unsigned delay_ms);
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/*
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Init ISA card
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Result:
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0 - Not Found
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1 - Sprinter WiFi Found and initialized
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*/
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char isa_init(void);
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/*
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Reset ISA device
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*/
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void isa_reset(void);
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/*
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Open access to ISA ports as memory
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*/
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void isa_open(void);
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/*
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Close access to ISA ports
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*/
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void isa_close(void);
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char isa_get_slot(void);
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/*
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Find UART device TL16C550
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return 0 - Not found
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*/
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char find_wifi(void);
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/*
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Init UART device TL16C550
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Input:
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slot - ISA Slot number
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*/
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void uart_init(void);
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/*
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Read TL16C550 register
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Input:
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reg - Port number
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Output:
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value from register
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*/
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char uart_read(unsigned reg);
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/*
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Write TL16C550 register
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Input:
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reg - Port number
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value - value to write toregister
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*/
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void uart_write(unsigned reg, char value);
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/*
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Wait for transmitter ready
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Output:
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0 - tr not ready, !=0 - tr ready
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*/
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char uart_wait_tr(void);
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/*
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Empty receiver FIFO buffer
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*/
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void uart_empty_rs(void);
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/*
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Wait byte in receiver fifo
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Input:
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wait_ms milliseconds to wait response
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Output:
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0 - fifo still empty, !=0 - receiver fifo is not empty
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*/
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char uart_wait_rs(int wait_ms);
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/*
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Transmitt one byte
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Input:
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byte to transmit
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Output:
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0 - failure, transmitter not ready, !=0 - success
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*/
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char uart_tx_byte(char byte);
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/*
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Transmitt bytes
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Input:
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tbuff - pointer to buffer
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size - number of bytes to transmitt from buffer
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Output:
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RESULT_OK if ok and RESULT_TX_TIMEOUT otherwise
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*/
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char uart_tx_buffer(char* tbuff, int size);
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/*
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Transmitt AT-command to ESP and wait response
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Input:
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tx_buff - command, zero ended string
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rs_buff - buffer to place response from ESP
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size - size of response buffer
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wait_ms - time to wait AT-command response from ESP
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*/
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char uart_tx_cmd(char* tx_buff, char* rs_buff, int size, int wait_ms);
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// MODULE esp
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/*
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Reset ESP device
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*/
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void esp_reset(char full);
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#endif |