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Wow, Tiffany, refactoring is like, so crazy sexy cool

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This commit is contained in:
XANTRONIX Development 2016-06-07 17:05:49 -05:00
parent 06503a3510
commit eb8ac6acb6
2 changed files with 79 additions and 69 deletions
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59
avr/recv.c
View file

@ -7,9 +7,9 @@
#include <tabby/avr/link.h>
#include <tabby/avr.h>
static volatile tabby_printer_packet header;
static volatile uint16_t i, b;
static volatile uint16_t offset_header = 0,
offset_body = 0,
size_body = 0;
/*
* SPI byte receipt interrupt vector
@ -20,13 +20,11 @@ ISR(SPI_STC_vect) {
uart_putchar(in, NULL);
switch (i) {
switch (offset_header) {
case 0: {
if (in == TABBY_PRINTER_SYNC_1) {
header.preamble[0] = in;
i++;
b = 0;
offset_header++;
offset_body = 0;
}
break;
@ -34,61 +32,54 @@ ISR(SPI_STC_vect) {
case 1: {
if (in == TABBY_PRINTER_SYNC_2) {
header.preamble[1] = in;
i++;
offset_header++;
} else {
i = 0;
offset_header = 0;
}
break;
}
case 2: {
header.type = in;
i++;
break;
}
case 2:
case 3: {
header.compression = in;
i++;
offset_header++;
break;
}
case 4: {
header.size = in;
i++;
size_body = in;
offset_header++;
break;
}
case 5: {
header.size |= in << 8;
size_body |= in << 8;
if (header.size > TABBY_PRINTER_PACKET_MAX_SIZE) {
i = 0;
if (size_body > TABBY_PRINTER_PACKET_MAX_SIZE) {
offset_header = 0;
} else {
i++;
offset_header++;
}
break;
}
default: {
if (b <= header.size) {
b++;
} else if (b == header.size + 1) {
b++;
if (offset_body <= size_body) {
offset_body++;
} else if (offset_body == size_body + 1) {
offset_body++;
out = TABBY_PRINTER_DEVICE_ID;
} else if (b == header.size + 2) {
b++;
} else if (offset_body == size_body + 2) {
offset_body++;
out = TABBY_PRINTER_OK;
} else if (b == header.size + 3) {
i = 0;
} else if (offset_body == size_body + 3) {
offset_header = 0;
}
}
}

89
avr/send.c
View file

@ -10,12 +10,6 @@
#include <tabby/avr.h>
int main() {
uint16_t i = 0,
b = 0,
sheet_offset = 0;
uint8_t c;
tabby_printer_packet header = {
.size = 0
};
@ -29,22 +23,28 @@ int main() {
uint8_t sheet[TABBY_PRINTER_SHEET_SIZE];
uint16_t offset_header = 0,
offset_body = 0,
offset_sheet = 0;
uint16_t sum_calc = 0,
sum_footer = 0;
uart_init();
tabby_avr_link_init_master();
sei();
while (1) {
c = uart_getchar(NULL);
uint8_t c = uart_getchar(NULL);
switch (i) {
switch (offset_header) {
case 0: {
if (c == TABBY_PRINTER_SYNC_1) {
header.data[0] = c;
i++;
offset_header++;
b = 0;
offset_body = 0;
sum_calc = 0;
}
break;
@ -53,9 +53,9 @@ int main() {
case 1: {
if (c == TABBY_PRINTER_SYNC_2) {
header.data[1] = c;
i++;
offset_header++;
} else {
i = 0;
offset_header = 0;
}
break;
@ -65,38 +65,45 @@ int main() {
switch (c) {
case TABBY_PRINTER_PACKET_INIT:
case TABBY_PRINTER_PACKET_CANCEL: {
sheet_offset = 0;
response.status = TABBY_PRINTER_OK;
offset_sheet = 0;
}
case TABBY_PRINTER_PACKET_JOB:
case TABBY_PRINTER_PACKET_DATA:
case TABBY_PRINTER_PACKET_INQUIRY: {
header.type = c;
i++;
offset_header++;
break;
}
default: {
i = 0;
offset_header = 0;
break;
}
}
sum_calc += c;
break;
}
case 3: {
header.compression = c;
i++;
offset_header++;
sum_calc += c;
break;
}
case 4: {
header.size = c;
i++;
offset_header++;
sum_calc += c;
break;
}
@ -106,43 +113,55 @@ int main() {
if (tabby_avr_printer_packet_toolarge(header.type,
header.size)) {
i = 0;
b = 0;
sheet_offset = 0;
offset_header = 0;
response.status |= TABBY_PRINTER_FULL;
goto respond;
} else {
i++;
offset_header++;
}
sum_calc += c;
break;
}
default: {
if (b < header.size) {
if (offset_body < header.size) {
if (header.type == TABBY_PRINTER_PACKET_JOB) {
job.data[b] = c;
job.data[offset_body] = c;
} else if (header.type == TABBY_PRINTER_PACKET_DATA) {
sheet[sheet_offset++] = c;
sheet[offset_sheet++] = c;
}
b++;
} else if (b == header.size) {
b++;
} else if (b == header.size + 1) {
i = 0;
b = 0;
offset_body++;
if (header.type == TABBY_PRINTER_PACKET_JOB) {
sum_calc += c;
} else if (offset_body == header.size) {
sum_footer = c;
offset_body++;
} else if (offset_body == header.size + 1) {
sum_footer |= c << 8;
offset_header = 0;
if (sum_footer != sum_calc) {
response.status |= TABBY_PRINTER_SUM;
} else if (header.type == TABBY_PRINTER_PACKET_JOB) {
tabby_avr_printer_send_sheet(sheet,
sheet_offset,
offset_sheet,
&response);
tabby_avr_printer_job_start(&job, &response);
sheet_offset = 0;
offset_sheet = 0;
} else if (header.type == TABBY_PRINTER_PACKET_INQUIRY) {
tabby_avr_printer_send_inquiry(&response);
}
respond:
uart_putchar(response.device, NULL);
uart_putchar(response.status, NULL);
}