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authorDavid Phillips <david@yeah.nah.nz>2020-12-13 21:40:16 +1300
committerDavid Phillips <david@yeah.nah.nz>2020-12-13 21:40:16 +1300
commitc641cf65258f6b7a4ba6c0434edaaf889b39717a (patch)
tree5745478b030cc005aaa9f71a6c81fd349bc1a9bb
parent5eaf06d25c23a33a4e921161e9f0786a88e2948f (diff)
downloadaltimeter-c641cf65258f6b7a4ba6c0434edaaf889b39717a.tar.xz
Remove unneeded variables
-rw-r--r--Makefile4
-rw-r--r--display_sim.c3
2 files changed, 3 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index 400aeff..3c15800 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,8 @@ QEMU_AVR ?= qemu-system-avr
MCU ?= atmega32u4
SIM_MCU ?= atmega2560
-CFLAGS += -DF_CPU=16000000UL -mmcu=$(MCU) -O3
-SIM_CFLAGS += -DF_CPU=16000000UL -mmcu=$(SIM_MCU) -g3 -gdwarf-2 -DWDT_DISABLE
+CFLAGS += -Wall -Wextra -DF_CPU=16000000UL -mmcu=$(MCU) -O3
+SIM_CFLAGS += -Wall -Wextra -DF_CPU=16000000UL -mmcu=$(SIM_MCU) -g3 -gdwarf-2 -DWDT_DISABLE
$(shell mkdir -p build/{real,sim})
diff --git a/display_sim.c b/display_sim.c
index b17979f..288118f 100644
--- a/display_sim.c
+++ b/display_sim.c
@@ -52,6 +52,7 @@ static void uart_init(void)
static int uart_putc(char c, FILE *unused)
{
+ (void)unused;
UDRx = c;
loop_until_bit_is_set(UCSRxA, UDREx);
return 1;
@@ -64,7 +65,6 @@ static FILE uart_out = FDEV_SETUP_STREAM(uart_putc, NULL, _FDEV_SETUP_WRITE);
* is no background thread for doing this constantly */
void display_display(void)
{
- int x = 0;
int y = 0;
printf("\033[6A"); // hack: raw ANSI escape sequence to move up 6
printf(",--------------------.\n");
@@ -99,7 +99,6 @@ void display_init(void)
void display_write(const char *text)
{
- size_t text_x = 0;
char c = '\0';
while (cursor_x < LCD_WIDTH && *text) {
c = *(text++);