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Diffstat (limited to 'firmware/target/arm/as3525/sansa-m200v4')
-rw-r--r--firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c b/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
index 5220fc4925..af57f97051 100644
--- a/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
+++ b/firmware/target/arm/as3525/sansa-m200v4/button-m200v4.c
@@ -23,6 +23,10 @@
23#include "cpu.h" 23#include "cpu.h"
24#include "button.h" 24#include "button.h"
25 25
26#ifndef BOOTLOADER
27#include "backlight.h"
28#endif
29
26void button_init_device(void) 30void button_init_device(void)
27{ 31{
28 GPIOA_DIR &= ~((1<<3) | (1<<2) | (1<<1) | (1<<0)); /* A3-A0 is input */ 32 GPIOA_DIR &= ~((1<<3) | (1<<2) | (1<<1) | (1<<0)); /* A3-A0 is input */
@@ -89,12 +93,24 @@ int button_read_device(void)
89 93
90bool button_hold(void) 94bool button_hold(void)
91{ 95{
92 bool ret = false; 96#ifndef BOOTLOADER
97 static bool hold_button_old = false;
98#endif
99 bool hold_button = false;
93 100
94 GPIOA_PIN(6) = (1<<6); 101 GPIOA_PIN(6) = (1<<6);
95 if (GPIOA_PIN(2)) 102 if (GPIOA_PIN(2))
96 ret = true; 103 hold_button = true;
97 GPIOA_PIN(6) = 0x00; 104 GPIOA_PIN(6) = 0x00;
98 105
99 return ret; 106#ifndef BOOTLOADER
107 /* light handling */
108 if (hold_button != hold_button_old)
109 {
110 hold_button_old = hold_button;
111 backlight_hold_changed(hold_button);
112 }
113#endif /* BOOTLOADER */
114
115 return hold_button;
100} 116}