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add PRINTF, StandardOutput for debugging

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This commit is contained in:
cuu 2021-05-13 16:50:01 +08:00
parent 3fb2310548
commit fb12b78724
3 changed files with 7 additions and 3 deletions
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2
Code/thermal_printer/etc/systemd/system/devterm-printer.service
View File

@ -4,6 +4,8 @@ After=devterm-socat
[Service]
Type=simple
StandardOutput=/tmp/devterm_printer.log
StandardError=/tmp/devterm_printer.err.log
ExecStart=/usr/local/bin/devterm_thermal_printer.elf

6
Code/thermal_printer/printer.c
View File

@ -60,7 +60,7 @@ uint8_t IsPaper()
if(ASK4PAPER==LOW) // * LOW is what we want**
{status = IS_PAPER;}
else
{status = NO_PAPER;printf("Error:NO PAPER\n");}
{status = NO_PAPER; PRINTF("Error:NO PAPER\n"); }
DISABLE_PEM;
}else {
status = printer_vps_last_status;
@ -69,7 +69,7 @@ uint8_t IsPaper()
tmp = temperature();
if (tmp >= HOT){
printf("Printer too Hot\n");
PRINTF("Printer too Hot\n");
status |= HOT_PRINTER;
}
@ -113,7 +113,7 @@ uint8_t header_init() {
SPI.begin(); //Initialize the SPI_1 port.
*/
if (!wiringPiSPISetup (0, 4500000 )) {
printf("SPI init failed,exiting...\n");
PRINTF("SPI init failed,exiting...\n");
}
/*

2
Code/thermal_printer/utils.h
View File

@ -13,6 +13,8 @@
#define ALINE printf("\n");
#define PRINTF(...) { printf(__VA_ARGS__);fflush(stdout);}
void delayus(unsigned int _us);
uint8_t invert_bit(uint8_t a);