Apple-2-HW/unified_retro_keyboard
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Breakout keyboard init

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factor out common code and add back wrappers, so keyboard initializes to
default keyboard on power up, and afterwards, won't reinitialize the
keyboard unless the map changes.
This commit is contained in:
Dave 2021-12-04 23:12:32 -06:00
parent 3a7e279453
commit 7ce550257c
1 changed files with 36 additions and 30 deletions
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66
firmware/asdf/src/asdf_keymaps.c
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@ -37,7 +37,7 @@
static asdf_keycode_map_t keymaps[ASDF_MOD_NUM_MODIFIERS] = {}; static asdf_keycode_map_t keymaps[ASDF_MOD_NUM_MODIFIERS] = {};
// The current keymap index. This is stored so bitwise operators on the keymap index can be performed. // The current keymap index. This is stored so bitwise operators on the keymap index can be performed.
static uint8_t current_keymap_index; static uint8_t current_keyboard_index;
// PROCEDURE: asdf_keymaps_add_map // PROCEDURE: asdf_keymaps_add_map
// INPUTS: (asdf_keycode_t *) - pointer to the keycode matrix to add in to map // INPUTS: (asdf_keycode_t *) - pointer to the keycode matrix to add in to map
@ -140,13 +140,12 @@ static void asdf_keymaps_reset(void)
asdf_hook_init(); asdf_hook_init();
} }
// PROCEDURE: asdf_keymaps_select // PROCEDURE: asdf_keymaps_switch
// INPUTS: (uint8_t) index - index of the keymap number to select // INPUTS: (uint8_t) index - index of the keymap number to switch to
// OUTPUTS: none // OUTPUTS: none
// //
// DESCRIPTION: accepts a index value. If the requested keymap index is valid, // DESCRIPTION: accepts a index value.
// then: // 1) assign the value to the global (to the module) current_keyboard_index variable
// 1) assign the value to the global (to the module) current_keymap_index variable
// 2) execute the architecture-dependent init routine, to undo any settings // 2) execute the architecture-dependent init routine, to undo any settings
// from the previous keymap // from the previous keymap
// 3) execute the keymap-specific setup routine. // 3) execute the keymap-specific setup routine.
@ -159,14 +158,13 @@ static void asdf_keymaps_reset(void)
// //
// COMPLEXITY: 2 // COMPLEXITY: 2
// //
void asdf_keymaps_select(uint8_t index) void asdf_keymaps_switch(uint8_t index)
{ {
// we set the current keymap index in order to track the state of the DIP // we set the current keymap index in order to track the state of the DIP
// switches, but only switch to a valid map // switches, but only switch to a valid map
current_keymap_index = index;
if (asdf_keymap_valid(index)) { if (asdf_keymap_valid(index)) {
current_keyboard_index = index;
asdf_arch_init(); asdf_arch_init();
asdf_keymaps_reset(); asdf_keymaps_reset();
@ -175,28 +173,36 @@ void asdf_keymaps_select(uint8_t index)
} }
} }
// PROCEDURE: ASDF_KEYMAPS_DUMMY_FUNCTION // PROCEDURE: asdf_keymaps_select
// INPUTS: none // INPUTS: (uint8_t) index - index of the keymap number to select
// OUTPUTS: none // OUTPUTS: none
// //
// DESCRIPTION: null function to populate the keymap setup function table. Since // DESCRIPTION: accepts a index value. If the keyboard is different from the
// this function does nothing, then selecting an unregistered keymap has no // currently active keyboard, then attempt to switch to the new keyboard index
// effect (i.e., the previous keymap persisits)
// //
// SIDE EFFECTS: See Description // SIDE EFFECTS: See DESCRIPTION
// //
// SCOPE: private // NOTES:
// //
// COMPLEXITY: 1 // SCOPE: public
// //
void asdf_keymaps_dummy_function(void) {} // COMPLEXITY: 2
//
void asdf_keymaps_select(uint8_t index)
{
if (index != current_keyboard_index) {
asdf_keymaps_switch(index);
}
}
// PROCEDURE: asdf_keymaps_init // PROCEDURE: asdf_keymaps_init
// INPUTS: none // INPUTS: none
// OUTPUTS: none // OUTPUTS: none
// //
// DESCRIPTION: initialize the keymap list. Called at startup. This function // DESCRIPTION: initialize the keymap list. Called at startup. This function
// calls the auto-generated keymap table init function, then selects keymap 0. // switches to keyboard 0. The switch routine cleans up the keyboard data
// structures.
// //
// SIDE EFFECTS: See DESCRIPTION // SIDE EFFECTS: See DESCRIPTION
// //
@ -206,7 +212,7 @@ void asdf_keymaps_dummy_function(void) {}
// //
void asdf_keymaps_init(void) void asdf_keymaps_init(void)
{ {
asdf_keymaps_select(0); asdf_keymaps_switch(0);
} }
// PROCEDURE: asdf_keymaps_map_select_0_clear // PROCEDURE: asdf_keymaps_map_select_0_clear
@ -226,7 +232,7 @@ void asdf_keymaps_init(void)
// //
void asdf_keymaps_map_select_0_clear(void) void asdf_keymaps_map_select_0_clear(void)
{ {
asdf_keymaps_select(current_keymap_index & (~ASDF_KEYMAP_BIT_0)); asdf_keymaps_select(current_keyboard_index & (~ASDF_KEYMAP_BIT_0));
} }
// PROCEDURE: asdf_keymaps_map_select_0_set // PROCEDURE: asdf_keymaps_map_select_0_set
@ -246,7 +252,7 @@ void asdf_keymaps_map_select_0_clear(void)
// //
void asdf_keymaps_map_select_0_set(void) void asdf_keymaps_map_select_0_set(void)
{ {
asdf_keymaps_select(current_keymap_index | ASDF_KEYMAP_BIT_0); asdf_keymaps_select(current_keyboard_index | ASDF_KEYMAP_BIT_0);
} }
// PROCEDURE: asdf_keymaps_map_select_1_clear // PROCEDURE: asdf_keymaps_map_select_1_clear
@ -266,7 +272,7 @@ void asdf_keymaps_map_select_0_set(void)
// //
void asdf_keymaps_map_select_1_clear(void) void asdf_keymaps_map_select_1_clear(void)
{ {
asdf_keymaps_select(current_keymap_index & (~ASDF_KEYMAP_BIT_1)); asdf_keymaps_select(current_keyboard_index & (~ASDF_KEYMAP_BIT_1));
} }
// PROCEDURE: asdf_keymaps_map_select_1_set // PROCEDURE: asdf_keymaps_map_select_1_set
@ -286,7 +292,7 @@ void asdf_keymaps_map_select_1_clear(void)
// //
void asdf_keymaps_map_select_1_set(void) void asdf_keymaps_map_select_1_set(void)
{ {
asdf_keymaps_select(current_keymap_index | ASDF_KEYMAP_BIT_1); asdf_keymaps_select(current_keyboard_index | ASDF_KEYMAP_BIT_1);
} }
// PROCEDURE: asdf_keymaps_map_select_2_clear // PROCEDURE: asdf_keymaps_map_select_2_clear
@ -306,7 +312,7 @@ void asdf_keymaps_map_select_1_set(void)
// //
void asdf_keymaps_map_select_2_clear(void) void asdf_keymaps_map_select_2_clear(void)
{ {
asdf_keymaps_select(current_keymap_index & (~ASDF_KEYMAP_BIT_2)); asdf_keymaps_select(current_keyboard_index & (~ASDF_KEYMAP_BIT_2));
} }
// PROCEDURE: asdf_keymaps_map_select_2_set // PROCEDURE: asdf_keymaps_map_select_2_set
@ -326,7 +332,7 @@ void asdf_keymaps_map_select_2_clear(void)
// //
void asdf_keymaps_map_select_2_set(void) void asdf_keymaps_map_select_2_set(void)
{ {
asdf_keymaps_select(current_keymap_index | ASDF_KEYMAP_BIT_2); asdf_keymaps_select(current_keyboard_index | ASDF_KEYMAP_BIT_2);
} }
// PROCEDURE: asdf_keymaps_map_select_3_clear // PROCEDURE: asdf_keymaps_map_select_3_clear
@ -346,7 +352,7 @@ void asdf_keymaps_map_select_2_set(void)
// //
void asdf_keymaps_map_select_3_clear(void) void asdf_keymaps_map_select_3_clear(void)
{ {
asdf_keymaps_select(current_keymap_index & (~ASDF_KEYMAP_BIT_3)); asdf_keymaps_select(current_keyboard_index & (~ASDF_KEYMAP_BIT_3));
} }
// PROCEDURE: asdf_keymaps_map_select_3_set // PROCEDURE: asdf_keymaps_map_select_3_set
@ -366,7 +372,7 @@ void asdf_keymaps_map_select_3_clear(void)
// //
void asdf_keymaps_map_select_3_set(void) void asdf_keymaps_map_select_3_set(void)
{ {
asdf_keymaps_select(current_keymap_index | ASDF_KEYMAP_BIT_3); asdf_keymaps_select(current_keyboard_index | ASDF_KEYMAP_BIT_3);
} }
// PROCEDURE: asdf_keymaps_get_code // PROCEDURE: asdf_keymaps_get_code
@ -389,10 +395,10 @@ void asdf_keymaps_map_select_3_set(void)
asdf_keycode_t asdf_keymaps_get_code(const uint8_t row, const uint8_t col, asdf_keycode_t asdf_keymaps_get_code(const uint8_t row, const uint8_t col,
const uint8_t modifier_index) const uint8_t modifier_index)
{ {
uint8_t num_cols = keymaps[current_keymap_index].cols; uint8_t num_cols = keymaps[current_keyboard_index].cols;
asdf_keycode_t keycode = 0; asdf_keycode_t keycode = 0;
if (keymaps[current_keymap_index].cols && keymaps[current_keymap_index].rows) { if (keymaps[current_keyboard_index].cols && keymaps[current_keyboard_index].rows) {
asdf_keycode_t (*keycode_matrix)[num_cols] = (void *) (keymaps[modifier_index].matrix); asdf_keycode_t (*keycode_matrix)[num_cols] = (void *) (keymaps[modifier_index].matrix);
keycode = FLASH_READ_MATRIX_ELEMENT(keycode_matrix, row, col); keycode = FLASH_READ_MATRIX_ELEMENT(keycode_matrix, row, col);
} }