99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
#include "init.h"
|
||
#include "asm/p33.h"
|
||
#include "asm/system_reset_reason.h"
|
||
|
||
static int sys_rst_rs = 0;//0-15为唤醒原因，16-23位IO唤醒组号
|
||
static int system_reset_reason_check(void)
|
||
{
|
||
int reset_flag = JL_SYSTEM->RST_SRC;
|
||
u8 p3_rst = p33_rx_1byte(P3_RST_SRC);
|
||
u8 r3_wkup = p33_rx_1byte(R3_WKUP_SRC);
|
||
u8 port_wkup = p33_rx_1byte(P3_WKUP_PND);
|
||
u8 p3_pmu = p33_rx_1byte(P3_PMU_CON1);
|
||
int rst_src = 0;
|
||
char rsn[16];
|
||
|
||
#if 0
|
||
printf("--->RST_SRC = 0x%x \n", reset_flag);
|
||
printf("--->R3_WKUP_SRC = 0x%x \n", r3_wkup);
|
||
printf("--->P3_RST_SRC = 0x%x \n", p3_rst);
|
||
printf("--->P3_PMU_CON1 = 0x%x \n", p3_pmu);
|
||
printf("--->P3_WKUP_PND = 0x%x \n", port_wkup);
|
||
#endif
|
||
|
||
if (r3_wkup & BIT(0)) {
|
||
rst_src |= SYS_RST_ALM_WKUP;
|
||
strcpy(rsn, SYS_ALM_WAKUP);
|
||
} else if ((r3_wkup & BIT(3)) || (port_wkup && port_wkup != 0XFF) || (reset_flag & BIT(6))) {
|
||
rst_src |= SYS_RST_PORT_WKUP;
|
||
rst_src |= (port_wkup && port_wkup != 0XFF) ? (port_wkup << 16) : 0;
|
||
strcpy(rsn, SYS_PORT_WAKUP);
|
||
} else if ((reset_flag & BIT(5)) || (p3_rst & BIT(6))) {
|
||
rst_src |= SYS_RST_SOFT;
|
||
strcpy(rsn, SYS_SOFT);
|
||
} else {
|
||
if (p3_rst & BIT(0)) {
|
||
rst_src |= SYS_RST_VDDIO_PWR_ON;
|
||
strcpy(rsn, SYS_POWER_ON);
|
||
}
|
||
if (p3_rst & BIT(1)) {
|
||
rst_src |= SYS_RST_VDDIO_LOW_PWR;
|
||
strcpy(rsn, SYS_LOW_POWER);
|
||
}
|
||
if (p3_rst & BIT(2)) {
|
||
rst_src |= SYS_RST_WDT;
|
||
strcpy(rsn, SYS_WDT);
|
||
}
|
||
if (p3_rst & BIT(3)) {
|
||
rst_src |= SYS_RST_VCM;
|
||
strcpy(rsn, SYS_VCM);
|
||
}
|
||
if (p3_rst & BIT(4)) {
|
||
rst_src |= SYS_RST_LONG_PRESS;
|
||
strcpy(rsn, SYS_LONG_PRESS);
|
||
}
|
||
if (p3_rst & BIT(5)) {
|
||
rst_src |= SYS_RST_12V;
|
||
strcpy(rsn, SYS_SYS_12V);
|
||
}
|
||
}
|
||
p33_or_1byte(P3_PMU_CON1, BIT(6));//清空上电标记
|
||
printf("\n========= system reset reason: %s ========= \n", rsn);
|
||
sys_rst_rs = rst_src;
|
||
return rst_src;
|
||
}
|
||
|
||
int system_reset_reason_get(void)
|
||
{
|
||
if (!sys_rst_rs) {
|
||
sys_rst_rs = system_reset_reason_check();
|
||
}
|
||
return sys_rst_rs & 0xFFFF;
|
||
}
|
||
int system_wakeup_reset(void)
|
||
{
|
||
if (!sys_rst_rs) {
|
||
sys_rst_rs = system_reset_reason_check();
|
||
}
|
||
if (sys_rst_rs & (SYS_RST_PORT_WKUP | SYS_RST_ALM_WKUP | SYS_RST_VDDIO_PWR_ON)) {
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
int system_wakeup_port_get(void)
|
||
{
|
||
if (!sys_rst_rs) {
|
||
sys_rst_rs = system_reset_reason_check();
|
||
}
|
||
if (sys_rst_rs & SYS_RST_PORT_WKUP) {
|
||
if (p33_rx_1byte(P3_PINR_CON) & BIT(0)) { //有开长按唤醒则IO唤醒从1-7
|
||
return (sys_rst_rs >> 17) & 0xFF;
|
||
} else {
|
||
return (sys_rst_rs >> 16) & 0xFF;
|
||
}
|
||
}
|
||
return -EINVAL;
|
||
}
|
||
|
||
|