From 6bc084a4d1e7cc5b77cf9dd5281ba3793b39fb76 Mon Sep 17 00:00:00 2001
From: Vincent-FK <vincent.buso@funkey-project.com>
Date: Sat, 11 Jan 2020 18:06:49 +0800
Subject: [PATCH] polling AXP209 PEK every 30ms

---
 .gitignore                 |   0
 driver_axp209.c            |  10 +++++-----
 funkey_gpio_management_BAK | Bin 0 -> 31900 bytes
 gpio_mapping.c             |  14 ++++++++++---
 uinput.c                   |  40 +++++++++++++++++++++++++++----------
 5 files changed, 45 insertions(+), 19 deletions(-)
 mode change 100644 => 100755 .gitignore
 create mode 100755 funkey_gpio_management_BAK
 mode change 100644 => 100755 gpio_mapping.c

diff --git a/.gitignore b/.gitignore
old mode 100644
new mode 100755
diff --git a/driver_axp209.c b/driver_axp209.c
index 2408172..ef96592 100755
--- a/driver_axp209.c
+++ b/driver_axp209.c
@@ -58,26 +58,26 @@ bool axp209_init(void) {
 
     // Enable only chosen interrupts (PEK short and long presses)
     int err;
-    err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_1_ENABLE, 0x00);
+    /*err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_1_ENABLE, 0x00);
     if(err < 0){
         printf("ERROR initializing interrupts 1 for AXP209\n");
     }
     err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_2_ENABLE, 0x00);
     if(err < 0){
         printf("ERROR initializing interrupts 2 for AXP209\n");
-    }
+    }*/
     err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_3_ENABLE, 0x03);
     if(err < 0){
         printf("ERROR initializing interrupts 3 for AXP209\n");
     }
-    err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_4_ENABLE, 0x00);
+    /*err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_4_ENABLE, 0x00);
     if(err < 0){
         printf("ERROR initializing interrupts 4 for AXP209\n");
     }
     err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_5_ENABLE, 0x00);
     if(err < 0){
         printf("ERROR initializing interrupts 5 for AXP209\n");
-    }
+    }*/
 
  	return true;
 }
@@ -95,7 +95,7 @@ int axp209_read_interrupt_bank_3(void){
     }
 
     // Clear interrupts
-    int err = i2c_smbus_write_byte_data(fd_axp209 , AXP209_INTERRUPT_BANK_3_STATUS, 0xFF);
+    int err = i2c_smbus_write_byte_data( fd_axp209 ,AXP209_INTERRUPT_BANK_3_STATUS, 0xFF );
     if(err < 0){
         return err;
     }
diff --git a/funkey_gpio_management_BAK b/funkey_gpio_management_BAK
new file mode 100755
index 0000000000000000000000000000000000000000..f72df64a66f32ef234b48a20c4d27fe909f28520
GIT binary patch
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P`OOWXpVEMqPVxKS1`LU4

literal 0
HcmV?d00001

diff --git a/gpio_mapping.c b/gpio_mapping.c
old mode 100644
new mode 100755
index adcb6f3..c654da0
--- a/gpio_mapping.c
+++ b/gpio_mapping.c
@@ -39,10 +39,10 @@
 
 // This define forces to perform a gpio sanity check after a timeout. 
 // If not declared, there will be no timeout and no periodical sanity check of GPIO expander values
-#define TIMEOUT_SEC_SANITY_CHECK_GPIO_EXP	1
-//#define TIMEOUT_MICROSEC_SANITY_CHECK_GPIO_EXP	(500*1000)
+//#define TIMEOUT_SEC_SANITY_CHECK_GPIO_EXP	1
+#define TIMEOUT_MICROSEC_SANITY_CHECK_GPIO_EXP	(30*1000)
 
-// This is for debug purposes on cards or eval boards that do not have the AXP209
+// Comment this for debug purposes on cards or eval boards that do not have the AXP209
 #define ENABLE_AXP209_INTERRUPTS
 
 #define KEY_IDX_MAPPED_FOR_SHORT_PEK_PRESS	16 	//KEY_Q
@@ -62,6 +62,8 @@ static fd_set fds;
 static bool * mask_gpio_value;
 static bool interrupt_i2c_expander_found = false;
 static bool interrupt_axp209_found = false;
+static bool mapping_PEK_short_press_activated = false;
+static bool mapping_PEK_long_press_activated = false;
 
 
 /****************************************************************
@@ -330,8 +332,10 @@ int listen_gpios_interrupts(void)
 		if(!nb_interrupts){
 			// Timeout case 
 			GPIO_PRINTF("	Timeout, forcing sanity check\n");
+			
 			// Timeout forcing a "Found interrupt" event for sanity check
 			interrupt_i2c_expander_found = true;
+			interrupt_axp209_found = true;
 		}
 		else if ( nb_interrupts < 0) {
 			perror("select");
@@ -385,11 +389,15 @@ int listen_gpios_interrupts(void)
 		if(val_int_bank_3 & AXP209_INTERRUPT_PEK_SHORT_PRESS){
 			GPIO_PRINTF("	AXP209 short PEK key press detected\n");
 			sendKeyAndStopKey(KEY_IDX_MAPPED_FOR_SHORT_PEK_PRESS);
+			/*sendKey(KEY_IDX_MAPPED_FOR_SHORT_PEK_PRESS, !mapping_PEK_short_press_activated);
+			mapping_PEK_short_press_activated = !mapping_PEK_short_press_activated;*/
 
 		}
 		if(val_int_bank_3 & AXP209_INTERRUPT_PEK_LONG_PRESS){
 			GPIO_PRINTF("	AXP209 long PEK key press detected\n");
 			sendKeyAndStopKey(KEY_IDX_MAPPED_FOR_LONG_PEK_PRESS);
+			/*sendKey(KEY_IDX_MAPPED_FOR_LONG_PEK_PRESS, !mapping_PEK_long_press_activated);
+			mapping_PEK_long_press_activated = !mapping_PEK_long_press_activated;*/
 		}
 	}
 #endif //ENABLE_AXP209_INTERRUPTS
diff --git a/uinput.c b/uinput.c
index 962fbd6..6348804 100755
--- a/uinput.c
+++ b/uinput.c
@@ -35,18 +35,11 @@
 //#include "config.h"
 //include "daemon.h"
 #include "uinput.h"
+#include <time.h>
 
-static int sendRel(int dx, int dy);
-static int sendSync(void);
-
-static struct input_event     uidev_ev;
-static int uidev_fd;
-/*static keyinfo_s lastkey;*/
-
-#define die(str, args...) do { \
-        perror(str); \
-        return(EXIT_FAILURE); \
-    } while(0)
+/****************************************************************
+ * Defines
+ ****************************************************************/
 
 #define DEBUG_UINPUT_PRINTF (0)
 #if DEBUG_UINPUT_PRINTF
@@ -54,7 +47,31 @@ static int uidev_fd;
 #else
   #define UINPUT_PRINTF(...)
 #endif
+    
+#define SLEEP_TIME_SEND_STOP_KEY_US   20*1000
 
+#define die(str, args...) do { \
+        perror(str); \
+        return(EXIT_FAILURE); \
+    } while(0)
+
+
+/****************************************************************
+ * Static functions declaration
+ ****************************************************************/
+static int sendRel(int dx, int dy);
+static int sendSync(void);
+
+/****************************************************************
+ * Static variables
+ ****************************************************************/
+static struct input_event     uidev_ev;
+static int uidev_fd;
+/*static keyinfo_s lastkey;*/
+
+/****************************************************************
+ * Functions Implementation
+ ****************************************************************/
 int init_uinput(void)
 {
   int fd;
@@ -187,6 +204,7 @@ int sendKey(int key, int value)
 int sendKeyAndStopKey(int key)
 {
   sendKey(key, 1);
+  usleep(SLEEP_TIME_SEND_STOP_KEY_US);
   sendKey(key, 0);
 
   return 0;