diff options
Diffstat (limited to 'macros/latex/contrib/avremu/test-suite/printf.c')
-rw-r--r-- | macros/latex/contrib/avremu/test-suite/printf.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/macros/latex/contrib/avremu/test-suite/printf.c b/macros/latex/contrib/avremu/test-suite/printf.c new file mode 100644 index 0000000000..e8d14fb078 --- /dev/null +++ b/macros/latex/contrib/avremu/test-suite/printf.c @@ -0,0 +1,69 @@ +#include <avr/io.h> +#include <stdio.h> + +char buffer[30]; + +volatile char buf[3]; + +static int uart_putchar(char c, FILE *stream); +static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL, + _FDEV_SETUP_WRITE); +static int +uart_putchar(char c, FILE *stream) +{ + UDR = c; + return 0; +} + + +int +main(void) +{ + stdout = &mystdout; + + buf[0] = 'x'; + buf[1] = 'y'; + buf[2] = '\0'; + + puts(buf); + + + asm volatile("break;"); + + printf(":%c", buf[0]); + + asm volatile("break;"); + + printf(":%d:", buf[1]); + + asm volatile("break;"); + + volatile float x=0.23; + printf(":%.2f:", x); + + asm volatile("break;"); + + return 0; +} + + +/** + check-name: Print to Stdout + compiler-opts: -Wl,-u,vfprintf -lm -lprintf_flt + check-start: + + \avr@instr@stepn{100000} + \avr@test@UDR{xy^10} % ^10 == \n + \def\avr@UDR{} + + \avr@instr@stepn{100000} + \avr@test@UDR{:x} + + \avr@instr@stepn{100000} + \avr@test@UDR{:121:} + + \avr@instr@stepn{100000} + \avr@test@UDR{:0.23:} + + check-end: +**/ |