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Code Issues Releases Activity

Fixed silly error I made

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OneOfEleven
2023-10-05 16:28:20 +01:00
parent bd9f337a5b
commit 40d09591b3
8 changed files with 123 additions and 121 deletions
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188
driver/keyboard.c
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@ -28,70 +28,69 @@ uint16_t gDebounceCounter;
bool gWasFKeyPressed;
static const struct {
// Using a 16 bit pre-calculated shift and invert is cheaper
// than using 8 bit and doing shift and invert in code.
uint16_t set_to_zero_mask;
//We are very fortunate.
//The key and pin defines fit together in a single u8,
//making this very efficient
struct {
uint8_t key : 5; //Key 23 is highest
uint8_t pin : 3; //Pin 6 is highest
} pins[4];
} keyboard[5] = {
/* Zero row */
{
//Set to zero to handle special case of nothing pulled down.
.set_to_zero_mask = 0,
.pins = {
{ .key = KEY_SIDE1, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_SIDE2, .pin = GPIOA_PIN_KEYBOARD_1},
/* Duplicate to fill the array with valid values */
{ .key = KEY_SIDE2, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_SIDE2, .pin = GPIOA_PIN_KEYBOARD_1},
}
},
/* First row */
{
.set_to_zero_mask = (uint16_t)(~(1u << GPIOA_PIN_KEYBOARD_4)),
.pins = {
{ .key = KEY_MENU, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_1, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_4, .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_7, .pin = GPIOA_PIN_KEYBOARD_3},
}
},
/* Second row */
{
.set_to_zero_mask = (uint16_t)(~(1u << GPIOA_PIN_KEYBOARD_5)),
.pins = {
{ .key = KEY_UP, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_2 , .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_5 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_8 , .pin = GPIOA_PIN_KEYBOARD_3},
}
},
/* Third row */
{
.set_to_zero_mask = (uint16_t)(~(1u << GPIOA_PIN_KEYBOARD_6)),
.pins = {
{ .key = KEY_DOWN, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_3 , .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_6 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_9 , .pin = GPIOA_PIN_KEYBOARD_3},
}
},
/* Fourth row */
{
.set_to_zero_mask = (uint16_t)(~(1u << GPIOA_PIN_KEYBOARD_7)),
.pins = {
{ .key = KEY_EXIT, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_STAR, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_0 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_F , .pin = GPIOA_PIN_KEYBOARD_3},
}
},
// Using a 16 bit pre-calculated shift and invert is cheaper
// than using 8 bit and doing shift and invert in code.
uint16_t set_to_zero_mask;
// We are very fortunate.
// The key and pin defines fit together in a single u8, making this very efficient
struct {
uint8_t key : 5; // Key 23 is highest
uint8_t pin : 3; // Pin 6 is highest
} pins[4];
} keyboard[] = {
// Zero row
{
// Set to zero to handle special case of nothing pulled down.
.set_to_zero_mask = 0xffff,
.pins = {
{ .key = KEY_SIDE1, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_SIDE2, .pin = GPIOA_PIN_KEYBOARD_1},
// Duplicate to fill the array with valid values
{ .key = KEY_INVALID, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_INVALID, .pin = GPIOA_PIN_KEYBOARD_1}
}
},
{ // First row
.set_to_zero_mask = ~(1u << GPIOA_PIN_KEYBOARD_4) & 0xffff,
.pins = {
{ .key = KEY_MENU, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_1, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_4, .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_7, .pin = GPIOA_PIN_KEYBOARD_3}
}
},
{ // Second row
.set_to_zero_mask = ~(1u << GPIOA_PIN_KEYBOARD_5) & 0xffff,
.pins = {
{ .key = KEY_UP, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_2 , .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_5 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_8 , .pin = GPIOA_PIN_KEYBOARD_3}
}
},
{ // Third row
.set_to_zero_mask = ~(1u << GPIOA_PIN_KEYBOARD_6) & 0xffff,
.pins = {
{ .key = KEY_DOWN, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_3 , .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_6 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_9 , .pin = GPIOA_PIN_KEYBOARD_3}
}
},
{ // Fourth row
.set_to_zero_mask = ~(1u << GPIOA_PIN_KEYBOARD_7) & 0xffff,
.pins = {
{ .key = KEY_EXIT, .pin = GPIOA_PIN_KEYBOARD_0},
{ .key = KEY_STAR, .pin = GPIOA_PIN_KEYBOARD_1},
{ .key = KEY_0 , .pin = GPIOA_PIN_KEYBOARD_2},
{ .key = KEY_F , .pin = GPIOA_PIN_KEYBOARD_3}
}
}
};
KEY_Code_t KEYBOARD_Poll(void)
@ -100,41 +99,44 @@ KEY_Code_t KEYBOARD_Poll(void)
// if (!GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT))
// return KEY_PTT;
// *****************
for (unsigned int j = 0; j < ARRAY_SIZE(keyboard); j++)
for (unsigned int j = 0; j < ARRAY_SIZE(keyboard); j++)
{
uint16_t reg;
// Set all high
GPIOA->DATA |= 1u << GPIOA_PIN_KEYBOARD_4 |
1u << GPIOA_PIN_KEYBOARD_5 |
1u << GPIOA_PIN_KEYBOARD_6 |
1u << GPIOA_PIN_KEYBOARD_7;
// Clear the pin we are selecting
GPIOA->DATA &= keyboard[j].set_to_zero_mask;
// Wait for the pins to stabilize
SYSTICK_DelayUs(1);
// Read all 4 GPIO pins at once
reg = GPIOA->DATA;
for (unsigned int i = 0; i < ARRAY_SIZE(keyboard[j].pins); i++)
{
//Set all high
GPIOA->DATA |= 1u << GPIOA_PIN_KEYBOARD_4 |
1u << GPIOA_PIN_KEYBOARD_5 |
1u << GPIOA_PIN_KEYBOARD_6 |
1u << GPIOA_PIN_KEYBOARD_7 ;
//Clear the pin we are selecting
GPIOA->DATA &= keyboard[j].set_to_zero_mask;
const uint16_t mask = 1u << keyboard[j].pins[i].pin;
if (!(reg & mask))
{
Key = keyboard[j].pins[i].key;
break;
}
}
//Wait for the pins to stabilize. 1 works for me.
SYSTICK_DelayUs(2);
if (Key != KEY_INVALID)
break;
}
// Read all 4 GPIO pins at once
uint16_t reg = GPIOA->DATA;
for (unsigned int i = 0; i < ARRAY_SIZE(keyboard[j].pins); i++)
{
uint16_t mask = 1u << keyboard[j].pins[i].pin;
if (!(reg & mask))
{
Key = keyboard[j].pins[i].key;
break;
}
}
if (Key != KEY_INVALID)
break;
}
//Create I2C stop condition. Since we might have toggled I2C pins.
//This leaves GPIOA_PIN_KEYBOARD_4 and GPIOA_PIN_KEYBOARD_5 high
I2C_Stop();
// Create I2C stop condition. Since we might have toggled I2C pins.
// This leaves GPIOA_PIN_KEYBOARD_4 and GPIOA_PIN_KEYBOARD_5 high
I2C_Stop();
// Reset VOICE pins
GPIO_ClearBit(&GPIOA->DATA, GPIOA_PIN_KEYBOARD_6);