void uc_pushb_init(int_isr p_pb1_callback, int_isr p_pb2_callback)
{
g_pb1_callback = p_pb1_callback;
g_pb2_callback = p_pb2_callback;
//void gpio_port_init(int p_port, int p_pin, int p_funct, int p_data_dir, int p_state)
gpio_port_init(gpio_port_ta, uc_pb_1, gpio_funct_primary, gpio_data_dir_in, gpio_pin_state_high);
gpio_port_init(gpio_port_ta, uc_pb_2, gpio_funct_primary, gpio_data_dir_in, gpio_pin_state_high);
//Call gpt_disable()
gpt_disable();
//Call gpt_incap_config() to configure pin 0 for input capture on the falling edge
gpt_incap_config(gpt_pin_0,gpt_incap_edge_rising);
//Call gpt_incap_config() to configure pin 1 for input capture on the falling edge
gpt_incap_config(gpt_pin_1,gpt_incap_edge_rising);
//Call int_configure(gpt0_int_src, gpt0_int_level, gpt0_int_priority, uc_pushb1_isr)
int_config(gpt0_int_src, gpt0_int_level, gpt0_int_priority, uc_pushb1_isr);
//Call int_configure(gpt1_int_src, gpt1_int_level, gpt1_int_priority, uc_pushb2_isr)
int_config(gpt1_int_src, gpt1_int_level, gpt1_int_priority, uc_pushb2_isr);
//Call gpt_enable() to enable the GPT module
gpt_enable();
}
int main() {
printf ("\n");
printf ("HEIA-FR - Embedded Systems 2 Laboratory\n");
printf ("TP13: - TP5 Optimizations\n");
printf (" Fabio Valverde & Samuel Mertenat\n");
printf ("----------------------------------------------------\n");
// initializes the LCD and displays an image
imx27_lcdc_init();
imx27_lcdc_enable();
// initialization of the different modules...
interrupt_init();
exception_init();
aitc_init();
interrupt_enable();
gpt_init();
imx27_gpio_init();
imx27_mmu_init();
// variables to store the beginning / end of the procedure
uint32_t start = 0;
uint32_t stop = 0;
uint32_t result = 0;
// struct used for the chronometer (incremented by the gpt)
struct chronometer chrono;
chrono.timer = 0;
// enables the timer
gpt_enable(GPT1, 1, increment_timer, &chrono);
//---------- NO CACHE ----------
// gets the initial time
start = chrono.timer;
// converts & displays the small image
struct xpm_image img = linear_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
// gets the final time
stop = chrono.timer;
result = stop - start;
printf("Linear search - No cache\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n\n", result);
start = chrono.timer;
// converts & displays the small image
img = binary_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
// gets the final time
stop = chrono.timer;
result = stop - start;
printf("Binary search - No cache\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n", result);
//---------- DATA CACHE ----------
printf ("----------------------------------------------------\n");
imx27_mmu_enable_dcache();
start = chrono.timer;
img = linear_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Linear search - Data cache\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n\n", result);
printf("Binary search - Data cache\n");
start = chrono.timer;
img = binary_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n", result);
//---------- DATA + INSTRUCTIONS CACHEs ----------
printf ("----------------------------------------------------\n");
imx27_mmu_enable_icache();
start = chrono.timer;
img = linear_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Linear search - Data + instructions caches\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n\n", result);
printf("Binary search - Data + instructions caches\n");
start = chrono.timer;
img = binary_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n", result);
/*
//---------- Instructions CACHE ----------
imx27_mmu_enable_icache();
// gets the initial time
start = chrono.timer;
// converts & displays the small image
struct xpm_image img = linear_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
// gets the final time
stop = chrono.timer;
result = stop - start;
printf("Linear search - Instructions cache\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = linear_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n\n", result);
start = chrono.timer;
// converts & displays the small image
img = binary_convert_xpm_image(tour_S);
display_image(&img, 0, 0);
// gets the final time
stop = chrono.timer;
result = stop - start;
printf("Binary search - Instructions cache\n");
printf("Small image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_M);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Medium image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_L);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Large image: %u [ms]\n", result);
start = chrono.timer;
img = binary_convert_xpm_image(tour_XL);
display_image(&img, 0, 0);
stop = chrono.timer;
result = stop - start;
printf("Extra-large image: %u [ms]\n", result);
*/
return 0;
}
void
obiomputmr_attach(device_t parent, device_t self, void *aux)
{
struct mputmr_softc *sc = device_private(self);
struct obio_attach_args *obio = aux;
int ints_per_sec;
sc->sc_dev = self;
sc->sc_iot = obio->obio_iot;
sc->sc_intr = obio->obio_intr;
if (bus_space_map(obio->obio_iot, obio->obio_addr, obio->obio_size, 0,
&sc->sc_ioh))
panic("%s: Cannot map registers", device_xname(self));
switch (device_unit(self)) { /* XXX broken */
case 0:
clock_sc = sc;
ints_per_sec = hz;
break;
case 1:
stat_sc = sc;
ints_per_sec = profhz = stathz = STATHZ;
break;
case 2:
ref_sc = sc;
ints_per_sec = hz; /* Same rate as clock */
break;
default:
ints_per_sec = hz; /* Better value? */
break;
}
aprint_normal(": OMAP MPU Timer");
gpt_enable(sc, obio, gpt_lookup(obio));
aprint_normal("\n");
aprint_naive("\n");
#if defined(OMAP_2430) || defined(OMAP_2420)
/* Stop the timer from counting, but keep the timer module working. */
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MPU_CNTL_TIMER,
MPU_CLOCK_ENABLE);
#endif
timer_factors tf;
calc_timer_factors(ints_per_sec, &tf);
switch (device_unit(self)) { /* XXX broken */
case 0:
#ifndef ARM11_PMC
counts_per_hz = tf.reload + 1;
counts_per_usec = tf.counts_per_usec;
#endif
break;
case 2:
/*
* The microtime reference clock for all practical purposes
* just wraps around as an unsigned int.
*/
tf.reload = 0xffffffff;
break;
default:
break;
}
#if defined(OMAP_2430) || defined(OMAP_2420)
/* Set the reload value. */
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MPU_LOAD_TIMER, tf.reload);
/* Set the PTV and the other required bits and pieces. */
bus_space_write_4(sc->sc_iot, sc->sc_ioh, MPU_CNTL_TIMER,
( MPU_CLOCK_ENABLE
| (tf.ptv << MPU_PTV_SHIFT)
| MPU_AR
| MPU_ST));
/* The clock is now running, but is not generating interrupts. */
#endif
}
