ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[LPC15XX] Modified μs_ticker to use critical API 

Replaced __disable_irq() and __enable_irq() with core_util_critical_section_enter() and core_util_critical_section_exit().
pull/2193/head
Neil Thiessen 2016-07-20 08:55:14 -06:00 committed by GitHub
parent d5f09859de
commit 22598341cd
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hal/targets/hal/TARGET_NXP/TARGET_LPC15XX/us_ticker.c
View File

@ -16,6 +16,7 @@
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#include "critical.h"
#define US_TICKER_TIMER_IRQn SCT3_IRQn
@ -61,11 +62,11 @@ uint32_t us_ticker_read() {
void us_ticker_set_interrupt(timestamp_t timestamp) {
// Set SCT3 match register 0 (critical section)
__disable_irq();
core_util_critical_section_enter();
LPC_SCT3->CTRL |= (1 << 2);
LPC_SCT3->MATCH0 = (uint32_t)timestamp;
LPC_SCT3->CTRL &= ~(1 << 2);
__enable_irq();
core_util_critical_section_exit();
// Enable interrupt on SCT3 event 0
LPC_SCT3->EVEN = (1 << 0);