36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
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#include <dev/keys.h>
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#include <dev/gpio_keypad.h>
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
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static unsigned int htcleo_row_gpios[] = { 33, 32, 31 };
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static unsigned int htcleo_col_gpios[] = { 42, 41, 40 };
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#define KEYMAP_INDEX(row, col) ((row)*ARRAY_SIZE(htcleo_col_gpios) + (col))
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static const unsigned short htcleo_keymap[ARRAY_SIZE(htcleo_col_gpios) * ARRAY_SIZE(htcleo_row_gpios)] = {
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[KEYMAP_INDEX(0, 0)] = KEY_VOLUMEUP, // Volume Up
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[KEYMAP_INDEX(0, 1)] = KEY_VOLUMEDOWN, // Volume Down
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[KEYMAP_INDEX(1, 0)] = KEY_SOFT1, // Windows Button
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[KEYMAP_INDEX(1, 1)] = KEY_SEND, // Dial Button
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[KEYMAP_INDEX(1, 2)] = KEY_CLEAR, // Hangup Button
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[KEYMAP_INDEX(2, 0)] = KEY_BACK, // Back Button
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[KEYMAP_INDEX(2, 1)] = KEY_HOME, // Home Button
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};
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static struct gpio_keypad_info htcleo_keypad_info = {
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.keymap = htcleo_keymap,
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.output_gpios = htcleo_row_gpios,
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.input_gpios = htcleo_col_gpios,
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.noutputs = ARRAY_SIZE(htcleo_row_gpios),
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.ninputs = ARRAY_SIZE(htcleo_col_gpios),
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.settle_time = 40 /* msec */,
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.poll_time = 20 /* msec */,
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.flags = GPIOKPF_DRIVE_INACTIVE,
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};
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void keypad_init(void)
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{
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gpio_keypad_init(&htcleo_keypad_info);
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}
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