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reduce recurring writes to lock leds

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This commit is contained in:
jpetermans 2017-05-25 13:00:21 -07:00
parent 083267680d
commit ac97870801
1 changed files with 53 additions and 5 deletions
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58
keyboards/infinity60/led_controller.c
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@ -135,16 +135,24 @@ msg_t is31_read_register(uint8_t page, uint8_t reg, uint8_t *result) {
* initialise the IS31 chip
* ======================== */
void is31_init(void) {
xprintf("_is31_init\n");
// just to be sure that it's all zeroes
__builtin_memset(full_page,0,0xB4+1);
// zero function page, all registers (assuming full_page is all zeroes)
is31_write_data(IS31_FUNCTIONREG, full_page, 0xD + 1);
// disable hardware shutdown
palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(GPIOB, 16);
chThdSleepMilliseconds(10);
// software shutdown disable (i.e. turn stuff on)
// software shutdown
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
chThdSleepMilliseconds(10);
// zero function page, all registers
is31_write_data(IS31_FUNCTIONREG, full_page, 0xD + 1);
chThdSleepMilliseconds(10);
// software shutdown disable (i.e. turn stuff on)
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
chThdSleepMilliseconds(10);
// zero all LED registers on all 8 pages
uint8_t i;
for(i=0; i<8; i++) {
@ -169,7 +177,7 @@ static THD_FUNCTION(LEDthread, arg) {
uint8_t led_control_reg[0x13] = {0};//led control register start address + 0x12 bytes
//persistent status variables
uint8_t pwm_step_status, page_status;
uint8_t pwm_step_status, page_status, capslock_status, numlock_status;
//mailbox variables
uint8_t temp, msg_type;
@ -179,6 +187,8 @@ static THD_FUNCTION(LEDthread, arg) {
// initialize persistent variables
pwm_step_status = 4; //full brightness
page_status = 0; //start frame 0 (all off/on)
numlock_status = (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? 1 : 0;
capslock_status = (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? 1 : 0;
while(true) {
// wait for a message (asynchronous)
@ -190,38 +200,53 @@ static THD_FUNCTION(LEDthread, arg) {
msg_args[1] = (msg >> 16) & 0XFF;
msg_args[2] = (msg >> 24) & 0xFF;
xprintf("msg_type: %d-%d-%d\n", msg_type, msg_args[0], msg_args[1]);
switch (msg_type){
case SET_FULL_ROW:
xprintf("FULL ROW: %d-%d\n", msg_args[0], msg_args[1]);
//write full byte to pin address, msg_args[1] = pin #, msg_args[0] = 8 bits to write
//writes only to currently displayed page
write_led_byte(page_status, msg_args[1], msg_args[0]);
break;
case OFF_LED:
xprintf("OFF: %d-%d\n", msg_args[0], msg_args[1]);
//on/off/toggle single led, msg_args[0] = row/col of led, msg_args[1] = page
set_led_bit(msg_args[1], control_register_word, msg_args[0], 0);
break;
case ON_LED:
xprintf("ON: %d-%d\n", msg_args[0], msg_args[1]);
set_led_bit(msg_args[1], control_register_word, msg_args[0], 1);
break;
case TOGGLE_LED:
xprintf("TOGGLE: %d-%d\n", msg_args[0], msg_args[1]);
set_led_bit(msg_args[1], control_register_word, msg_args[0], 2);
break;
case BLINK_OFF_LED:
xprintf("B_on: %d-%d\n", msg_args[0], msg_args[1]);
//on/off/toggle single led, msg_args[0] = row/col of led
set_led_bit(msg_args[1], control_register_word, msg_args[0], 4);
break;
case BLINK_ON_LED:
xprintf("B_off: %d-%d\n", msg_args[0], msg_args[1]);
set_led_bit(msg_args[1], control_register_word, msg_args[0], 5);
break;
case BLINK_TOGGLE_LED:
xprintf("B_togg: %d-%d\n", msg_args[0], msg_args[1]);
set_led_bit(msg_args[1], control_register_word, msg_args[0], 6);
break;
case TOGGLE_ALL:
//turn on/off all leds, msg_args = unused
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
chThdSleepMilliseconds(5);
is31_read_register(0, 0x00, &temp);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
xprintf("TOGGLE_ALL: %d-%d\n", msg_args[0], msg_args[1]);
xprintf("temp: %d\n", temp);
led_control_reg[0] = 0;
//if first leds are already on, toggle frame 0 off
@ -243,6 +268,7 @@ static THD_FUNCTION(LEDthread, arg) {
break;
case TOGGLE_BACKLIGHT:
xprintf("TOGGLE_BKLT: %d-%d\n", msg_args[0], msg_args[1]);
//msg_args[0] = on/off
//populate 9 byte rows to be written to each pin, first byte is register (pin) address
@ -261,6 +287,7 @@ static THD_FUNCTION(LEDthread, arg) {
case DISPLAY_PAGE:
//msg_args[0] = page to toggle on
xprintf("DSPY_PG: %d-%d\n", msg_args[0], msg_args[1]);
if (page_status != msg_args[0]) {
is31_write_register(IS31_FUNCTIONREG, IS31_REG_PICTDISP, msg_args[0]);
page_status = msg_args[0];
@ -282,15 +309,24 @@ static THD_FUNCTION(LEDthread, arg) {
break;
case TOGGLE_NUM_LOCK:
xprintf("NMLK: %d-%d\n", msg_args[0], msg_args[1]);
//msg_args[0] = 0 or 1, off/on
set_lock_leds(NUM_LOCK_LED_ADDRESS, msg_args[0], page_status);
if (numlock_status != msg_args[0]) {
set_lock_leds(NUM_LOCK_LED_ADDRESS, msg_args[0], page_status);
numlock_status = msg_args[0];
}
break;
case TOGGLE_CAPS_LOCK:
xprintf("CPLK: %d-%d\n", msg_args[0], msg_args[1]);
//msg_args[0] = 0 or 1, off/on
set_lock_leds(CAPS_LOCK_LED_ADDRESS, msg_args[0], page_status);
if (capslock_status != msg_args[0]) {
set_lock_leds(CAPS_LOCK_LED_ADDRESS, msg_args[0], page_status);
capslock_status = msg_args[0];
}
break;
case STEP_BRIGHTNESS:
xprintf("Step: %d-%d\n", msg_args[0], msg_args[1]);
//led_args[0] = step up (1) or down (0)
switch (msg_args[0]) {
case 0:
@ -337,6 +373,7 @@ void set_led_bit (uint8_t page, uint8_t *led_control_word, uint8_t led_addr, uin
if (led_addr < 0 || led_addr > 87 || led_addr % 10 > 8) {
return;
}
xprintf("_set action-led: %x-%d\n", action, led_addr);
blink_bit = action>>2;//check for blink bit
action &= ~(1<<2); //strip blink bit
@ -344,10 +381,17 @@ void set_led_bit (uint8_t page, uint8_t *led_control_word, uint8_t led_addr, uin
//led_addr tens column is pin#, ones column is bit position in 8-bit mask
control_reg_addr = ((led_addr / 10) % 10 - 1 ) * 0x02;// A-matrix is every other byte
control_reg_addr += blink_bit == 1 ? 0x12 : 0x00;//if blink_bit, shift 12 bytes to blink register
xprintf("_set control address: %x\n", control_reg_addr);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
chThdSleepMilliseconds(5);
is31_read_register(page, control_reg_addr, &temp);//maintain status of leds on this byte
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
xprintf("_set temp_byte_mask: %x\n", temp);
column_bit = 1<<(led_addr % 10 - 1);
column_byte = temp;
xprintf("_set col_byte_mask: %x\n", column_byte);
switch(action) {
case 0:
@ -398,13 +442,16 @@ void set_lock_leds(uint8_t led_addr, uint8_t led_action, uint8_t page) {
//blink if all leds are on
if (page == 0) {
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
chThdSleepMilliseconds(5);
is31_read_register(0, 0x00, &temp);
chThdSleepMilliseconds(10);
is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
if (temp == 0xFF) {
led_action |= (1<<2); //set blink bit
}
}
xprintf("_lock action: %d\n", led_action);
set_led_bit(page,led_control_word,led_addr,led_action);
}
@ -415,6 +462,7 @@ void set_lock_leds(uint8_t led_addr, uint8_t led_action, uint8_t page) {
void led_controller_init(void) {
uint8_t i;
xprintf("led_init\n");
/* initialise I2C */
/* I2C pins */
palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATIVE_2); // PTB0/I2C0/SCL