int main(void)
{
//! [main_start]
/* Initialize system */
//! [system_init]
system_init();
//! [system_init]
//! [run_config]
configure_spi_slave();
//! [run_config]
//! [main_start]
//! [main_use_case]
//! [write]
while (spi_write_buffer_wait(&spi_slave_instance, buffer, BUF_LENGTH) != STATUS_OK) {
/* Wait for transfer from master */
}
//! [write]
//! [inf_loop]
while (true) {
/* Infinite loop */
}
//! [inf_loop]
//! [main_use_case]
}
int main(void)
{
//! [main_start]
uint8_t result = 0;
uint16_t i;
uint32_t delay;
/* Initialize system */
//! [system_init]
system_clock_config(CLOCK_RESOURCE_XO_26_MHZ, CLOCK_FREQ_26_MHZ);
for (i = 0; i < BUF_LENGTH; i++) {
buffer_expect[i] = i;
buffer_rx[i] = 0;
}
//! [system_init]
//! [run_config_gpio]
configure_gpio();
//! [run_config_gpio]
//! [run_config_spi]
configure_spi_slave();
//! [run_config_spi]
//! [main_start]
//! [main_use_case]
//! [read]
memset(buffer_rx, 0x0, BUF_LENGTH);
while(spi_read_buffer_wait(&spi_slave_instance, buffer_rx, BUF_LENGTH,
0x00) != STATUS_OK) {
/* Wait for transfer from the master */
}
//! [read]
//! [compare]
for (i = 0; i < BUF_LENGTH; i++) {
if(buffer_rx[i] != buffer_expect[i]) {
result++;
}
}
//! [compare]
//! [inf_loop]
while (true) {
/* Infinite loop */
if (result) {
gpio_pin_toggle_output_level(LED_0_PIN);
/* Add a short delay to see LED toggle */
delay = 300000;
while(delay--) {
}
} else {
gpio_pin_toggle_output_level(LED_0_PIN);
/* Add a short delay to see LED toggle */
delay = 3000000;
while(delay--) {
}
}
}
//! [inf_loop]
//! [main_use_case]
}
