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CAN: Reduce nesting level via code transformations.

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This commit is contained in:
Uwe Hermann
2010-12-26 00:34:14 +01:00
parent 06d1a5ca80
commit 571c4d37d0
2 changed files with 93 additions and 95 deletions
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35
examples/obldc/can/can.c
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@@ -150,26 +150,25 @@ void sys_tick_handler(void)
static int temp32 = 0;
static u8 data[8] = {0, 1, 2, 0, 0, 0, 0, 0};
temp32++;
/* We call this handler every 1ms so 1000ms = 1s on/off. */
if (temp32 == 1000) {
temp32 = 0;
if (++temp32 != 1000)
return;
/* Transmit CAN frame. */
data[0]++;
if (can_transmit(CAN1,
0, /* (EX/ST)ID: CAN ID */
false, /* IDE: CAN ID extended? */
false, /* RTR: Request transmit? */
8, /* DLC: Data length */
data) == -1)
{
gpio_set(GPIOA, GPIO6); /* LED0 off */
gpio_set(GPIOA, GPIO7); /* LED1 off */
gpio_clear(GPIOB, GPIO0); /* LED2 on */
gpio_set(GPIOB, GPIO1); /* LED3 off */
}
temp32 = 0;
/* Transmit CAN frame. */
data[0]++;
if (can_transmit(CAN1,
0, /* (EX/ST)ID: CAN ID */
false, /* IDE: CAN ID extended? */
false, /* RTR: Request transmit? */
8, /* DLC: Data length */
data) == -1)
{
gpio_set(GPIOA, GPIO6); /* LED0 off */
gpio_set(GPIOA, GPIO7); /* LED1 off */
gpio_clear(GPIOB, GPIO0); /* LED2 on */
gpio_set(GPIOB, GPIO1); /* LED3 off */
}
}