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[sw/example/demo_gptmr] minor edits

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stnolting 2022-01-31 08:14:11 +01:00
parent 3ac6303788
commit 8d02a57749
1 changed files with 3 additions and 3 deletions
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6
sw/example/demo_gptmr/main.c
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@ -58,7 +58,7 @@ void gptmr_firq_handler(void);
/**********************************************************************//**
* This program blinks an LED at GPIO.output(0) at 1Hz using the general purpose timer interrupt.
*
* @note This program requires the GPTMR unit to be synthesized.
* @note This program requires the GPTMR unit to be synthesized (and UART0 and GPIO).
*
* @return Should not return;
**************************************************************************/
@ -73,7 +73,7 @@ int main() {
// check if GPTMR unit is implemented at all
if (neorv32_gptmr_available() == 0) {
neorv32_uart0_print("General purpose timer not implemented!\n");
neorv32_uart0_print("ERROR! General purpose timer not implemented!\n");
return 1;
}
@ -90,7 +90,7 @@ int main() {
neorv32_rte_exception_install(GPTMR_RTE_ID, gptmr_firq_handler);
// configure timer for 1Hz ticks in continuous mode (with clock divisor = 8)
neorv32_gptmr_setup(CLK_PRSC_8, 1, NEORV32_SYSINFO.CLK / 8);
neorv32_gptmr_setup(CLK_PRSC_8, 1, NEORV32_SYSINFO.CLK / (8 * 2));
// enable interrupt
neorv32_cpu_irq_enable(GPTMR_FIRQ_ENABLE); // enable GPTMR FIRQ channel