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Fix autoreload and ticks on IMX RT

This commit is contained in:
Scott Shawcroft 2020-04-07 14:16:07 -07:00
parent a8dfba235c
commit aae0ce6bad
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GPG Key ID: 9349BC7E64B1921E
1 changed files with 15 additions and 0 deletions
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15
ports/mimxrt10xx/supervisor/port.c
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@ -53,6 +53,7 @@
#include "shared-module/gamepadshift/__init__.h"
#endif
#include "shared-module/_pew/PewPew.h"
#include "supervisor/shared/tick.h"
#include "clocks.h"
@ -243,6 +244,8 @@ __attribute__((used, naked)) void Reset_Handler(void) {
}
safe_mode_t port_init(void) {
CLOCK_SetMode(kCLOCK_ModeRun);
clocks_init();
#if CIRCUITPY_RTC
@ -350,8 +353,19 @@ uint64_t port_get_raw_ticks(uint8_t* subticks) {
return ticks / 32;
}
void SNVS_HP_WRAPPER_IRQHandler(void) {
if ((SNVS->HPSR & SNVS_HPSR_PI_MASK) != 0) {
supervisor_tick();
SNVS->HPSR = SNVS_HPSR_PI_MASK;
}
if ((SNVS->HPSR & SNVS_HPSR_HPTA_MASK) != 0) {
SNVS->HPSR = SNVS_HPSR_HPTA_MASK;
}
}
// Enable 1/1024 second tick.
void port_enable_tick(void) {
NVIC_EnableIRQ(SNVS_HP_WRAPPER_IRQn);
uint32_t hpcr = SNVS->HPCR;
hpcr &= ~SNVS_HPCR_PI_FREQ_MASK;
SNVS->HPCR = hpcr | SNVS_HPCR_PI_FREQ(5) | SNVS_HPCR_PI_EN_MASK;
@ -360,6 +374,7 @@ void port_enable_tick(void) {
// Disable 1/1024 second tick.
void port_disable_tick(void) {
SNVS->HPCR &= ~SNVS_HPCR_PI_EN_MASK;
NVIC_DisableIRQ(SNVS_HP_WRAPPER_IRQn);
}
void port_interrupt_after_ticks(uint32_t ticks) {