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Cutting out more crap; I mean the µc sends health responses anyway

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This commit is contained in:
XANTRONIX Development 2016-05-31 23:39:41 -05:00
parent eba12edc65
commit 3c7633108c
3 changed files with 9 additions and 26 deletions
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7
include/tabby.h
View file

@ -1,7 +0,0 @@
#ifndef _TABBY_H
#define _TABBY_H
#include <tabby/clock.h>
#include <tabby/command.h>
#endif /* _TABBY_H */

12
include/tabby/printer.h
View file

@ -17,7 +17,7 @@ typedef enum {
/* /*
* Data definitions for packets sent from Game Boy to printer * Data definitions for packets sent from Game Boy to printer
*/ */
typedef struct _tabby_printer_packet_header { typedef struct _tabby_printer_packet {
union { union {
struct { struct {
uint8_t preamble[2], uint8_t preamble[2],
@ -29,15 +29,13 @@ typedef struct _tabby_printer_packet_header {
uint8_t data[6]; uint8_t data[6];
}; };
} tabby_printer_packet_header; } tabby_printer_packet;
/* /*
* Methods for communicating with Game Boy as a printer * Methods for communicating with Game Boy as a printer
*/ */
int tabby_printer_packet_recv(int fd, tabby_printer_packet_header *header, int tabby_printer_packet_recv(int fd, tabby_printer_packet *header,
void *body, void *body,
uint16_t *checksum); uint16_t *checksum);
int tabby_printer_response_send(int fd, uint8_t device, uint8_t status);
#endif /* _TABBY_PRINTER_H */ #endif /* _TABBY_PRINTER_H */

16
src/printer.c
View file

@ -5,7 +5,7 @@
#define PACKET_RECV_ERROR_THRESHOLD 30 #define PACKET_RECV_ERROR_THRESHOLD 30
static uint16_t checksum(tabby_printer_packet_header *header, void *body) { static uint16_t checksum(tabby_printer_packet *header, void *body) {
uint16_t checksum = header->data[2] uint16_t checksum = header->data[2]
+ header->data[3] + header->data[3]
+ header->data[4] + header->data[4]
@ -20,9 +20,9 @@ static uint16_t checksum(tabby_printer_packet_header *header, void *body) {
return checksum; return checksum;
} }
int tabby_printer_packet_recv(int fd, tabby_printer_packet_header *header, int tabby_printer_packet_recv(int fd, tabby_printer_packet *header,
void *body, void *body,
uint16_t *sum) { uint16_t *sum) {
ssize_t len; ssize_t len;
size_t i = 0, size_t i = 0,
@ -85,11 +85,3 @@ int tabby_printer_packet_recv(int fd, tabby_printer_packet_header *header,
error_io: error_io:
return -errno; return -errno;
} }
int tabby_printer_response_send(int fd, uint8_t device, uint8_t status) {
uint8_t response[2] = {
device, status
};
return write(fd, &response, sizeof(response));
}