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working neopixel minor refactor

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This commit is contained in:
Greg Steiert 2021-01-03 23:26:54 +00:00
parent 33f0d4b314
commit 0f11858b0e
1 changed files with 44 additions and 10 deletions
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54
hw/bsp/double_m33_express/double_m33_express.c
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@ -100,6 +100,38 @@ void USB1_IRQHandler(void)
volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020}; volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020};
volatile uint32_t _neopixel_count = 0; volatile uint32_t _neopixel_count = 0;
void neopixel_int_handler(void){
uint32_t eventFlag = NEO_SCT->EVFLAG;
if (eventFlag & (1 << NEO_EVENT_NEXT)) {
_neopixel_count += 1;
if (_neopixel_count < (NEOPIXEL_NUMBER)) {
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
}
NEO_SCT->EVFLAG = eventFlag;
}
void SCT0_DriverIRQHandler(void){
neopixel_int_handler();
SDK_ISR_EXIT_BARRIER;
}
void neopixel_set(uint32_t pixel, uint32_t color){
if (pixel < NEOPIXEL_NUMBER) {
_neopixel_array[pixel] = color;
}
}
void neopixel_update(void){
// while (NEO_SCT->CTRL & SCT_CTRL_HALT_L_MASK);
_neopixel_count = 0;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
/*
void neopixel_int_handler(void){ void neopixel_int_handler(void){
uint32_t eventFlag = NEO_SCT->EVFLAG; uint32_t eventFlag = NEO_SCT->EVFLAG;
// if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) { // if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) {
@ -121,12 +153,6 @@ void SCT0_DriverIRQHandler(void){
void neopixel_update(uint32_t pixel, uint32_t color){ void neopixel_update(uint32_t pixel, uint32_t color){
if (pixel < NEOPIXEL_NUMBER) { if (pixel < NEOPIXEL_NUMBER) {
/*
uint32_t index = 3*pixel;
_neopixel_array[index++] = color>>8; // green first
_neopixel_array[index++] = color>>16; // red
_neopixel_array[index] = color; // blue
*/
_neopixel_array[pixel] = color; _neopixel_array[pixel] = color;
_neopixel_count = 0; _neopixel_count = 0;
// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]); // NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]);
@ -134,7 +160,7 @@ void neopixel_update(uint32_t pixel, uint32_t color){
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK); NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
} }
} }
*/
void neopixel_init(void) { void neopixel_init(void) {
CLOCK_EnableClock(kCLOCK_Sct0); CLOCK_EnableClock(kCLOCK_Sct0);
RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn); RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn);
@ -186,7 +212,9 @@ void neopixel_init(void) {
NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT); NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT);
EnableIRQ(SCT0_IRQn); EnableIRQ(SCT0_IRQn);
neopixel_update(0, 0x404040); neopixel_set(0, 0x101000);
neopixel_set(1, 0x101000);
neopixel_update();
} }
@ -330,8 +358,14 @@ void board_init(void)
void board_led_write(bool state) void board_led_write(bool state)
{ {
GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
_neopixel_array[1] = _neopixel_array[0]; if (state) {
neopixel_update(0, state ? 0x001000 : 0x100000); neopixel_set(0, 0x100000);
neopixel_set(1, 0x101010);
} else {
neopixel_set(0, 0x001000);
neopixel_set(1, 0x000010);
}
neopixel_update();
} }
uint32_t board_button_read(void) uint32_t board_button_read(void)