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neopixel driver one byte at a time non-func

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This commit is contained in:
Greg Steiert
2021-01-03 18:11:13 +00:00
parent 56acdf67ba
commit 06642910f4
2 changed files with 157 additions and 30 deletions
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4
hw/bsp/double_m33_express/board.mk
View File

@@ -23,7 +23,9 @@ SRC_C += \
$(MCU_DIR)/drivers/fsl_clock.c \
$(MCU_DIR)/drivers/fsl_gpio.c \
$(MCU_DIR)/drivers/fsl_power.c \
$(MCU_DIR)/drivers/fsl_reset.c
$(MCU_DIR)/drivers/fsl_reset.c \
$(MCU_DIR)/drivers/fsl_usart.c \
$(MCU_DIR)/drivers/fsl_flexcomm.c
INC += \
$(TOP)/$(MCU_DIR)/../../CMSIS/Include \

183
hw/bsp/double_m33_express/double_m33_express.c
View File

@@ -29,6 +29,7 @@
#include "fsl_gpio.h"
#include "fsl_power.h"
#include "fsl_iocon.h"
#include "fsl_sctimer.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
@@ -55,16 +56,128 @@ void USB1_IRQHandler(void)
#define BUTTON_PIN 5
#define BUTTON_STATE_ACTIVE 0
// Number of neopixels
#define NEOPIXEL_NUMBER 2
#define NEOPIXEL_PORT 0
#define NEOPIXEL_PIN 27
// UART
#define UART_DEV USART0
// IOCON pin mux
#define IOCON_PIO_DIGITAL_EN 0x0100u /*!<@brief Enables digital function */
#define IOCON_PIO_FUNC0 0x00u /*!<@brief Selects pin function 0 */
#define IOCON_PIO_FUNC1 0x01u /*!<@brief Selects pin function 1 */
#define IOCON_PIO_FUNC4 0x04u /*!<@brief Selects pin function 4 */
#define IOCON_PIO_FUNC7 0x07u /*!<@brief Selects pin function 7 */
#define IOCON_PIO_INV_DI 0x00u /*!<@brief Input function is not inverted */
#define IOCON_PIO_MODE_INACT 0x00u /*!<@brief No addition pin function */
#define IOCON_PIO_OPENDRAIN_DI 0x00u /*!<@brief Open drain is disabled */
#define IOCON_PIO_SLEW_STANDARD 0x00u /*!<@brief Standard mode, output slew rate control is enabled */
#define IOCON_PIO_DIG_FUNC0_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC0) /*!<@brief Digital pin function 0 enabled */
#define IOCON_PIO_DIG_FUNC1_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC1) /*!<@brief Digital pin function 1 enabled */
#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 8
volatile uint8_t _neopixel_array[3*NEOPIXEL_NUMBER] = {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 < (3*NEOPIXEL_NUMBER))) {
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]);
_neopixel_count += 1;
}
NEO_SCT->EVFLAG = eventFlag;
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
void SCT0_DriverIRQHandler(void){
neopixel_int_handler();
SDK_ISR_EXIT_BARRIER;
}
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_count = 0;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_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 << 24U);
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));
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) | SCT_EV_CTRL_STATEV(31));
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) | SCT_EV_CTRL_STATEV(31));
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);
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);
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_update(0, 0x404040);
}
/****************************************************************
name: BOARD_BootClockFROHF96M
outputs:
@@ -115,40 +228,49 @@ void board_init(void)
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
GPIO_PortInit(GPIO, LED_PORT);
GPIO_PortInit(GPIO, BUTTON_PORT);
GPIO_PortInit(GPIO, 0);
GPIO_PortInit(GPIO, 1);
// LED
gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 0};
/* PORT0 PIN1 configured as PIO0_1 */
IOCON_PinMuxSet(IOCON, 0U, 1U, IOCON_PIO_DIG_FUNC0_EN);
gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 1};
GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
board_led_write(true);
// Neopixel
/* PORT0 PIN27 configured as SCT0_OUT6 */
IOCON_PinMuxSet(IOCON, 0U, 27U, IOCON_PIO_DIG_FUNC4_EN);
neopixel_init();
// Button
const uint32_t port1_pin18_config = (
IOCON_PIO_FUNC0 | /* Pin is configured as PIO1_18 */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
/* PORT1 PIN18 (coords: 64) is configured as PIO1_18 */
IOCON_PinMuxSet(IOCON, 1U, 18U, port1_pin18_config);
/* PORT0 PIN5 configured as PIO0_5 */
IOCON_PinMuxSet(IOCON, 0U, 5U, IOCON_PIO_DIG_FUNC0_EN);
gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
// UART
/* PORT0 PIN29 (coords: 92) is configured as FC0_RXD_SDA_MOSI_DATA */
IOCON_PinMuxSet(IOCON, 0U, 29U, IOCON_PIO_DIG_FUNC1_EN);
/* PORT0 PIN30 (coords: 94) is configured as FC0_TXD_SCL_MISO_WS */
IOCON_PinMuxSet(IOCON, 0U, 30U, IOCON_PIO_DIG_FUNC1_EN);
#if defined(UART_DEV) && CFG_TUSB_DEBUG
// Enable UART when debug log is on
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
usart_config_t uart_config;
USART_GetDefaultConfig(&uart_config);
uart_config.baudRate_Bps = BOARD_UART_BAUDRATE;
uart_config.enableTx = true;
uart_config.enableRx = true;
USART_Init(UART_DEV, &uart_config, 12000000);
#endif
// USB VBUS
const uint32_t port0_pin22_config = (
IOCON_PIO_FUNC7 | /* Pin is configured as USB0_VBUS */
IOCON_PIO_MODE_INACT | /* No addition pin function */
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
IOCON_PIO_INV_DI | /* Input function is not inverted */
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
);
/* PORT0 PIN22 (coords: 78) is configured as USB0_VBUS */
IOCON_PinMuxSet(IOCON, 0U, 22U, port0_pin22_config);
/* PORT0 PIN22 configured as USB0_VBUS */
IOCON_PinMuxSet(IOCON, 0U, 22U, IOCON_PIO_DIG_FUNC7_EN);
// USB Controller
POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB0 Phy */
@@ -163,27 +285,30 @@ void board_init(void)
RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn);
RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn);
#if (defined USB_DEVICE_CONFIG_LPCIP3511HS) && (USB_DEVICE_CONFIG_LPCIP3511HS)
#if (defined CFG_TUSB_RHPORT1_MODE) && (CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE)
CLOCK_EnableClock(kCLOCK_Usbh1);
/* Put PHY powerdown under software control */
*((uint32_t *)(USBHSH_BASE + 0x50)) = USBHSH_PORTMODE_SW_PDCOM_MASK;
USBHSH->PORTMODE = USBHSH_PORTMODE_SW_PDCOM_MASK;
/* According to reference mannual, device mode setting has to be set by access usb host register */
*((uint32_t *)(USBHSH_BASE + 0x50)) |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
/* enable usb1 host clock */
CLOCK_DisableClock(kCLOCK_Usbh1);
#endif
#if 1 || (defined USB_DEVICE_CONFIG_LPCIP3511FS) && (USB_DEVICE_CONFIG_LPCIP3511FS)
#if (defined CFG_TUSB_RHPORT0_MODE) && (CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE)
// Enable USB Clock Adjustments to trim the FRO for the full speed controller
ANACTRL->FRO192M_CTRL |= ANACTRL_FRO192M_CTRL_USBCLKADJ_MASK;
CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
/* enable usb0 host clock */
CLOCK_EnableClock(kCLOCK_Usbhsl0);
/*According to reference mannual, device mode setting has to be set by access usb host register */
*((uint32_t *)(USBFSH_BASE + 0x5C)) |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
/* disable usb0 host clock */
CLOCK_DisableClock(kCLOCK_Usbhsl0);
CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB Device clock */
#endif
}
//--------------------------------------------------------------------+