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moved neopixel to its own files with additional features

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This commit is contained in:
Greg Steiert
2021-01-10 05:17:49 +00:00
parent 9c3bdd621b
commit 5ca7c285f5
4 changed files with 340 additions and 142 deletions
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hw/bsp/double_m33_express/double_m33_express.c
+40 -142
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@@ -29,7 +29,9 @@
#include "fsl_gpio.h"
#include "fsl_power.h"
#include "fsl_iocon.h"
#include "fsl_usart.h"
#include "fsl_sctimer.h"
#include "neopixel.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
@@ -60,6 +62,7 @@ void USB1_IRQHandler(void)
#define NEOPIXEL_NUMBER 2
#define NEOPIXEL_PORT 0
#define NEOPIXEL_PIN 27
#define NEOPIXEL_CH 6
// UART
#define UART_DEV USART0
@@ -80,142 +83,10 @@ void USB1_IRQHandler(void)
#define IOCON_PIO_DIG_FUNC4_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) /*!<@brief Digital pin function 2 enabled */
#define IOCON_PIO_DIG_FUNC7_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) /*!<@brief Digital pin function 2 enabled */
//--------------------------------------------------------------------+
// Neopixel Driver
//--------------------------------------------------------------------+
#define NEO_SCT SCT0
#define NEO_MATCH_PERIOD 0
#define NEO_MATCH_0 1
#define NEO_MATCH_1 2
#define NEO_EVENT_RISE 2
#define NEO_EVENT_FALL_0 0
#define NEO_EVENT_FALL_1 1
#define NEO_EVENT_NEXT 3
#define NEO_EVENT_START 4
#define NEO_SCT_OUTPUT 6
#define NEO_STATE_IDLE 24
//#define NEO_ARRAY_SIZE (3 * NEOPIXEL_NUMBER)
//volatile uint32_t _neopixel_array[NEO_ARRAY_SIZE] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60};
volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020};
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){
uint32_t eventFlag = NEO_SCT->EVFLAG;
// if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) {
// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]);
if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEOPIXEL_NUMBER))) {
_neopixel_count += 1;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
NEO_SCT->EVFLAG = eventFlag;
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
} else {
NEO_SCT->EVFLAG = eventFlag;
}
}
void SCT0_DriverIRQHandler(void){
neopixel_int_handler();
SDK_ISR_EXIT_BARRIER;
}
void neopixel_update(uint32_t pixel, uint32_t color){
if (pixel < NEOPIXEL_NUMBER) {
_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);
}
}
*/
void neopixel_init(void) {
CLOCK_EnableClock(kCLOCK_Sct0);
RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn);
NEO_SCT->CONFIG = (
SCT_CONFIG_UNIFY(1) |
SCT_CONFIG_CLKMODE(kSCTIMER_System_ClockMode) |
SCT_CONFIG_NORELOAD_L(1) );
NEO_SCT->CTRL = (
SCT_CTRL_HALT_L(1) |
SCT_CTRL_CLRCTR_L(1) );
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 << 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(23));
// NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFE;
NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFFFFFE;
NEO_SCT->EV[NEO_EVENT_RISE].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) |
SCT_EV_CTRL_STATELD(0) | SCT_EV_CTRL_STATEV(31));
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0x0;
NEO_SCT->EV[NEO_EVENT_FALL_0].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_0) |
SCT_EV_CTRL_STATELD(0) );
// NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFF;
NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFFFFFF;
NEO_SCT->EV[NEO_EVENT_FALL_1].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_1) |
SCT_EV_CTRL_STATELD(0) );
NEO_SCT->EV[NEO_EVENT_NEXT].STATE = 0x1;
NEO_SCT->EV[NEO_EVENT_NEXT].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) |
SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(NEO_STATE_IDLE));
NEO_SCT->LIMIT = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE) | (1 << NEO_EVENT_NEXT);
NEO_SCT->HALT = (1 << NEO_EVENT_NEXT);
NEO_SCT->START = (1 << NEO_EVENT_START);
NEO_SCT->OUT[NEO_SCT_OUTPUT].SET = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE);
NEO_SCT->OUT[NEO_SCT_OUTPUT].CLR = (1 << NEO_EVENT_FALL_0) | (1 << NEO_EVENT_FALL_1) | (1 << NEO_EVENT_NEXT);
NEO_SCT->STATE = NEO_STATE_IDLE;
NEO_SCT->OUTPUT = 0x0;
NEO_SCT->RES = SCT_RES_O6RES(0x2);
NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT);
EnableIRQ(SCT0_IRQn);
neopixel_set(0, 0x101000);
neopixel_set(1, 0x101000);
neopixel_update();
}
// Global Variables
uint32_t pixelData[NEOPIXEL_NUMBER];
neopixel_config_t neoConfig;
/****************************************************************
@@ -282,7 +153,34 @@ void board_init(void)
/* PORT0 PIN27 configured as SCT0_OUT6 */
IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN);
neopixel_init();
neoConfig.pixelData[0] = NULL;
neoConfig.pixelCnt[0] = 0;
neoConfig.pixelData[1] = NULL;
neoConfig.pixelCnt[1] = 0;
neoConfig.pixelData[2] = NULL;
neoConfig.pixelCnt[2] = 0;
neoConfig.pixelData[3] = NULL;
neoConfig.pixelCnt[3] = 0;
neoConfig.pixelData[4] = NULL;
neoConfig.pixelCnt[4] = 0;
neoConfig.pixelData[5] = NULL;
neoConfig.pixelCnt[5] = 0;
neoConfig.pixelData[6] = NULL;
neoConfig.pixelCnt[6] = 0;
neoConfig.pixelData[7] = NULL;
neoConfig.pixelCnt[7] = 0;
neoConfig.pixelData[8] = NULL;
neoConfig.pixelCnt[8] = 0;
neoConfig.pixelData[9] = NULL;
neoConfig.pixelCnt[9] = 0;
neoConfig.pixelData[NEOPIXEL_CH] = pixelData;
neoConfig.pixelCnt[NEOPIXEL_CH] = NEOPIXEL_NUMBER;
neoConfig.syncUpdate = true;
neopixel_init(&neoConfig);
neopixel_setPixel(NEOPIXEL_CH, 0, 0x100010);
neopixel_setPixel(NEOPIXEL_CH, 1, 0x100010);
neopixel_refresh();
// Button
/* PORT0 PIN5 configured as PIO0_5 */
@@ -302,7 +200,7 @@ void board_init(void)
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
usart_config_t uart_config;
USART_GetDefaultConfig(&uart_config);
uart_config.baudRate_Bps = BOARD_UART_BAUDRATE;
uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
uart_config.enableTx = true;
uart_config.enableRx = true;
USART_Init(UART_DEV, &uart_config, 12000000);
@@ -359,13 +257,13 @@ void board_led_write(bool state)
{
GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
if (state) {
neopixel_set(0, 0x100000);
neopixel_set(1, 0x101010);
neopixel_setPixel(NEOPIXEL_CH, 0, 0x100000);
neopixel_setPixel(NEOPIXEL_CH, 1, 0x101010);
} else {
neopixel_set(0, 0x001000);
neopixel_set(1, 0x000010);
neopixel_setPixel(NEOPIXEL_CH, 0, 0x001000);
neopixel_setPixel(NEOPIXEL_CH, 1, 0x000010);
}
neopixel_update();
neopixel_refresh();
}
uint32_t board_button_read(void)