From 8cab5fea518d4bf6c680816f8ba8b7b7d9ee7401 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sat, 23 May 2020 23:59:04 +0200
Subject: eve power amanger fix

---
 code/fe310/eos/eos.c     | 11 +++++++----
 code/fe310/eos/eve/eve.c | 36 ++++++++++++++++++++----------------
 code/fe310/eos/eve/eve.h | 10 +++++++---
 code/fe310/eos/power.c   |  4 ++--
 code/fe310/eos/power.h   |  6 +++---
 5 files changed, 39 insertions(+), 28 deletions(-)

(limited to 'code/fe310/eos')

diff --git a/code/fe310/eos/eos.c b/code/fe310/eos/eos.c
index 1aae201..b02abed 100644
--- a/code/fe310/eos/eos.c
+++ b/code/fe310/eos/eos.c
@@ -1,3 +1,5 @@
+#include <stdio.h>
+
 #include "event.h"
 #include "interrupt.h"
 #include "timer.h"
@@ -13,10 +15,11 @@
 
 #include "eos.h"
 
-uint32_t eve_touch[6] = {0xfa46,0xfffffcf6,0x422fe,0xffffff38,0x10002,0xf3cb0};
+static uint32_t eve_touch[6] = {0xfa46,0xfffffcf6,0x422fe,0xffffff38,0x10002,0xf3cb0};
 
 void eos_init(void) {
-    uint8_t wake_src = eos_power_cause_wake();
+    uint8_t wakeup_cause = eos_power_wakeup_cause();
+    printf("WAKE:%d\n", wakeup_cause);
 
     eos_evtq_init();
     eos_intr_init();
@@ -31,10 +34,10 @@ void eos_init(void) {
     eos_sock_init();
     eos_spi_dev_init();
 
-    eos_net_wake(wake_src);
+    eos_net_wake(wakeup_cause);
 
     eve_set_touch_calibration(eve_touch);
     eos_spi_dev_start(EOS_DEV_DISP);
-    eve_init(wake_src == EOS_PWR_WAKE_RESET);
+    eve_init(wakeup_cause == EOS_PWR_WAKE_RST);
     eos_spi_dev_stop();
 }
diff --git a/code/fe310/eos/eve/eve.c b/code/fe310/eos/eve/eve.c
index 430b998..8d8a15a 100644
--- a/code/fe310/eos/eve/eve.c
+++ b/code/fe310/eos/eve/eve.c
@@ -11,7 +11,7 @@ static uint16_t _cmd_offset;
 static uint32_t _dl_addr;
 static uint32_t *_touch_calib;
 static uint8_t _brigtness;
-static char _sleep;
+static uint8_t _power_state;
 
 void eve_command(uint8_t command, uint8_t parameter) {
     eve_spi_cs_set();
@@ -235,18 +235,31 @@ void eve_cmd_burst_end(void) {
     _cmd_burst = 0;
 }
 
-void eve_active(void){
+void eve_active(void) {
     eve_command(EVE_ACTIVE, 0);
+    if (_power_state == EVE_PSTATE_SLEEP) eve_time_sleep(40);
+
+    eve_write8(REG_PWM_DUTY, _brigtness);
+    if (_power_state != EVE_PSTATE_SLEEP) return;
+
+    eve_write8(REG_TOUCH_MODE, EVE_TMODE_CONTINUOUS);
+    eve_write8(REG_CTOUCH_EXTENDED, 0x00);
+
+    _power_state = EVE_PSTATE_ACTIVE;
 }
 
 void eve_standby(void) {
+    if (_power_state != EVE_PSTATE_ACTIVE) return;
+
+    _brigtness = eve_read8(REG_PWM_DUTY);
     eve_command(EVE_STANDBY, 0);
+
+    _power_state = EVE_PSTATE_STANDBY;
 }
 
 void eve_sleep(void) {
-    if (_sleep) return;
+    if (_power_state != EVE_PSTATE_ACTIVE) return;
 
-    _sleep = 1;
     _brigtness = eve_read8(REG_PWM_DUTY);
     eve_write8(REG_PWM_DUTY, 0x0);
 
@@ -255,17 +268,8 @@ void eve_sleep(void) {
 
     eve_time_sleep(500);
     eve_command(EVE_SLEEP, 0);
-}
-
-void eve_wake(void) {
-    eve_command(EVE_ACTIVE, 0);         /* start EVE */
-    eve_time_sleep(40);
 
-    eve_write8(REG_TOUCH_MODE, EVE_TMODE_CONTINUOUS);
-    eve_write8(REG_CTOUCH_EXTENDED, 0x00);
-
-    eve_write8(REG_PWM_DUTY, _brigtness);
-    _sleep = 0;
+    _power_state = EVE_PSTATE_SLEEP;
 }
 
 void eve_brightness(uint8_t b) {
@@ -373,8 +377,8 @@ int eve_init(int pwr_on) {
         int rv = _init();
         if (rv) return rv;
     } else {
-        _sleep = 1;
-        eve_wake();
+        _power_state = EVE_PSTATE_SLEEP;
+        eve_active();
     }
 
     eve_init_touch();
diff --git a/code/fe310/eos/eve/eve.h b/code/fe310/eos/eve/eve.h
index 2fb2fb5..2ac93a2 100644
--- a/code/fe310/eos/eve/eve.h
+++ b/code/fe310/eos/eve/eve.h
@@ -5,9 +5,13 @@
 #include "eve_track.h"
 #include "eve_platform.h"
 
-#define EVE_OK                          0
-#define EVE_ERR                         -1
-#define EVE_ERR_TEXT                    -100
+#define EVE_OK              0
+#define EVE_ERR             -1
+#define EVE_ERR_TEXT        -100
+
+#define EVE_PSTATE_ACTIVE   0
+#define EVE_PSTATE_STANDBY  1
+#define EVE_PSTATE_SLEEP    3
 
 void eve_command(uint8_t command, uint8_t parameter);
 
diff --git a/code/fe310/eos/power.c b/code/fe310/eos/power.c
index 3cc3462..5c874e0 100644
--- a/code/fe310/eos/power.c
+++ b/code/fe310/eos/power.c
@@ -63,11 +63,11 @@ void eos_power_init(void) {
     AON_REG(AON_RTCLO) = 0;
 }
 
-uint8_t eos_power_cause_wake(void) {
+uint8_t eos_power_wakeup_cause(void) {
     return AON_REG(AON_PMUCAUSE) & 0xff;
 }
 
-uint8_t eos_power_cause_rst(void) {
+uint8_t eos_power_reset_cause(void) {
     return (AON_REG(AON_PMUCAUSE) >> 8) & 0xff;
 }
 
diff --git a/code/fe310/eos/power.h b/code/fe310/eos/power.h
index 7f579a5..466573f 100644
--- a/code/fe310/eos/power.h
+++ b/code/fe310/eos/power.h
@@ -5,7 +5,7 @@
 
 #define EOS_PWR_MAX_MTYPE       2
 
-#define EOS_PWR_WAKE_RESET      0
+#define EOS_PWR_WAKE_RST        0
 #define EOS_PWR_WAKE_RTC        1
 #define EOS_PWR_WAKE_BTN        2
 
@@ -14,8 +14,8 @@
 #define EOS_PWR_RST_WDOG        2
 
 void eos_power_init(void);
-uint8_t eos_power_cause_wake(void);
-uint8_t eos_power_cause_rst(void);
+uint8_t eos_power_wakeup_cause(void);
+uint8_t eos_power_reset_cause(void);
 void eos_power_sleep(void);
 void eos_power_wake_at(uint32_t msec);
 void eos_power_wake_disable(void);
-- 
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