mirror/tinyusb
1
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2025-04-16 05:42:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

24 state implementation, only upsdates first LED

Browse Source
This commit is contained in:
Greg Steiert 2021-01-03 18:31:45 +00:00
parent 06642910f4
commit 7f98d11454
1 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
hw/bsp/double_m33_express/double_m33_express.c
View File

@ -93,15 +93,15 @@ void USB1_IRQHandler(void)
#define NEO_EVENT_NEXT 3
#define NEO_EVENT_START 4
#define NEO_SCT_OUTPUT 6
#define NEO_STATE_IDLE 8
#define NEO_STATE_IDLE 24
volatile uint8_t _neopixel_array[3*NEOPIXEL_NUMBER] = {0};
volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x202020, 0x101010};
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 < (3*NEOPIXEL_NUMBER))) {
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]);
if ((eventFlag == (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEOPIXEL_NUMBER))) {
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
_neopixel_count += 1;
}
NEO_SCT->EVFLAG = eventFlag;
@ -115,12 +115,15 @@ void SCT0_DriverIRQHandler(void){
void neopixel_update(uint32_t pixel, uint32_t color){
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_count = 0;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]);
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
}
@ -140,10 +143,10 @@ void neopixel_init(void) {
NEO_SCT->MATCH[NEO_MATCH_PERIOD] = 120;
NEO_SCT->MATCH[NEO_MATCH_0] = 30;
NEO_SCT->MATCH[NEO_MATCH_1] = 60;
NEO_SCT->EV[NEO_EVENT_START].STATE = (1 << 24U);
NEO_SCT->EV[NEO_EVENT_START].STATE = (1 << NEO_STATE_IDLE);
NEO_SCT->EV[NEO_EVENT_START].CTRL = (
kSCTIMER_OutputLowEvent | SCT_EV_CTRL_IOSEL(NEO_SCT_OUTPUT) |
SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(7));
SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(23));
NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFFFFFE;
NEO_SCT->EV[NEO_EVENT_RISE].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) |
@ -240,13 +243,13 @@ void board_init(void)
// Neopixel
/* PORT0 PIN27 configured as SCT0_OUT6 */
IOCON_PinMuxSet(IOCON, 0U, 27U, IOCON_PIO_DIG_FUNC4_EN);
IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN);
neopixel_init();
// Button
/* PORT0 PIN5 configured as PIO0_5 */
IOCON_PinMuxSet(IOCON, 0U, 5U, IOCON_PIO_DIG_FUNC0_EN);
IOCON_PinMuxSet(IOCON, BUTTON_PORT, BUTTON_PIN, IOCON_PIO_DIG_FUNC0_EN);
gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);