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[NANO130] Refine sleep code 

1. Remove stale code with mbed OS 3.
2. Remove check for busy peripherals unorganizedly. This would be supported by e.g. official sleep manager.
pull/5157/head
ccli8 2017-09-22 09:33:53 +08:00
parent 785413aa1e
commit 4040211f9e
1 changed files with 8 additions and 60 deletions
targets/TARGET_NUVOTON/TARGET_NANO100

68
targets/TARGET_NUVOTON/TARGET_NANO100/sleep.c
View File

@ -15,8 +15,6 @@
*/
#include "sleep_api.h"
#include "serial_api.h"
#include "lp_ticker_api.h"
#if DEVICE_SLEEP
@ -25,74 +23,24 @@
#include "objects.h"
#include "PeripheralPins.h"
static void mbed_enter_sleep(struct sleep_s *obj);
static void mbed_exit_sleep(struct sleep_s *obj);
int serial_allow_powerdown(void);
int spi_allow_powerdown(void);
int i2c_allow_powerdown(void);
int pwmout_allow_powerdown(void);
/**
* Enter Idle mode.
* Enter idle mode, in which just CPU is halted.
*/
void hal_sleep(void)
{
struct sleep_s sleep_obj;
sleep_obj.powerdown = 0;
mbed_enter_sleep(&sleep_obj);
mbed_exit_sleep(&sleep_obj);
SYS_UnlockReg();
CLK_Idle();
SYS_LockReg();
}
/**
* Enter Power-down mode while no peripheral is active; otherwise, enter Idle mode.
* Enter power-down mode, in which HXT/HIRC are halted.
*/
void hal_deepsleep(void)
{
struct sleep_s sleep_obj;
sleep_obj.powerdown = 1;
mbed_enter_sleep(&sleep_obj);
mbed_exit_sleep(&sleep_obj);
}
static void mbed_enter_sleep(struct sleep_s *obj)
{
// Check if serial allows entering power-down mode
if (obj->powerdown) {
obj->powerdown = serial_allow_powerdown();
}
// Check if spi allows entering power-down mode
if (obj->powerdown) {
obj->powerdown = spi_allow_powerdown();
}
// Check if i2c allows entering power-down mode
if (obj->powerdown) {
obj->powerdown = i2c_allow_powerdown();
}
// Check if pwmout allows entering power-down mode
if (obj->powerdown) {
obj->powerdown = pwmout_allow_powerdown();
}
// TODO: Check if other peripherals allow entering power-down mode
if (obj->powerdown) { // Power-down mode (HIRC/HXT disabled, LIRC/LXT enabled)
SYS_UnlockReg();
CLK_PowerDown();
SYS_LockReg();
} else { // CPU halt mode (HIRC/HXT enabled, LIRC/LXT enabled)
SYS_UnlockReg();
CLK_Idle();
SYS_LockReg();
}
__NOP();
__NOP();
__NOP();
__NOP();
}
static void mbed_exit_sleep(struct sleep_s *obj)
{
(void)obj;
SYS_UnlockReg();
CLK_PowerDown();
SYS_LockReg();
}
#endif