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-rwxr-xr-xlaser-tag software/CMakeLists.txt2
-rwxr-xr-xlaser-tag software/main.c164
2 files changed, 92 insertions, 74 deletions
diff --git a/laser-tag software/CMakeLists.txt b/laser-tag software/CMakeLists.txt
index 26be541..25c8b86 100755
--- a/laser-tag software/CMakeLists.txt
+++ b/laser-tag software/CMakeLists.txt
@@ -93,6 +93,8 @@ ADD_EXECUTABLE(hello_world
"${ProjDirPath}/../KSDK_1.2.0/platform/devices/MKL27Z4/startup/system_MKL27Z4.c"
"${ProjDirPath}/../KSDK_1.2.0/platform/devices/startup.c"
"${ProjDirPath}/../KSDK_1.2.0/platform/devices/startup.h"
+ "${ProjDirPath}/../KSDK_1.2.0/platform/drivers/src/dma/fsl_dma_irq.c"
+ "${ProjDirPath}/../KSDK_1.2.0/platform/drivers/src/flexio/fsl_flexio_irq.c"
"${ProjDirPath}/../KSDK_1.2.0/platform/drivers/src/lpuart/fsl_lpuart_irq.c"
"${ProjDirPath}/../KSDK_1.2.0/platform/drivers/src/spi/fsl_spi_irq.c"
"${ProjDirPath}/main.c"
diff --git a/laser-tag software/main.c b/laser-tag software/main.c
index 0001608..fec20cf 100755
--- a/laser-tag software/main.c
+++ b/laser-tag software/main.c
@@ -33,6 +33,7 @@
#include "fsl_cmp_driver.h"
#include "fsl_dac_driver.h"
#include "fsl_dma_driver.h"
+#include "fsl_flexio_driver.h"
#include "fsl_gpio_driver.h"
#include "fsl_lptmr_driver.h"
#include "fsl_lpuart_driver.h"
@@ -45,14 +46,14 @@
////////////////////////////
// A bunch of config structs
-/* Configuration for enter VLPR mode. Core clock = 2MHz. */
+/* Configuration for enter VLPR mode. Core clock = 4MHz. */
static const clock_manager_user_config_t g_defaultClockConfigVlpr = {
.mcgliteConfig =
{
.mcglite_mode = kMcgliteModeLirc8M, // Work in LIRC_8M mode.
.irclkEnable = true, // MCGIRCLK enable.
.irclkEnableInStop = false, // MCGIRCLK disable in STOP mode.
- .ircs = kMcgliteLircSel2M, // Select LIRC_2M.
+ .ircs = kMcgliteLircSel8M, // Select LIRC_8M.
.fcrdiv = kMcgliteLircDivBy1, // FCRDIV is 0.
.lircDiv2 = kMcgliteLircDivBy1, // LIRC_DIV2 is 0.
.hircEnableInNotHircMode = false, // HIRC disable.
@@ -60,8 +61,8 @@ static const clock_manager_user_config_t g_defaultClockConfigVlpr = {
.simConfig =
{
.er32kSrc = kClockEr32kSrcOsc0, // ERCLK32K selection, use OSC.
- .outdiv1 = 0U,
- .outdiv4 = 1U,
+ .outdiv1 = 1U, // divide by 2, core clock = 8 MHz / 2
+ .outdiv4 = 3U, // divide by 4, bus clock = 4 MHz / 4
},
.oscerConfig =
{
@@ -101,22 +102,6 @@ static const smc_power_mode_config_t g_idlePowerMode = {
.powerModeName = kPowerModeVlpw,
};
-/* LCD backlight GPIO pin */
-static const gpio_output_pin_user_config_t g_lcdBacklight = {
- .pinName = GPIO_MAKE_PIN(GPIOE_IDX, 31),
- .config.outputLogic = 1,
- .config.slewRate = kPortSlowSlewRate,
- .config.driveStrength = kPortLowDriveStrength,
-};
-
-/* LCD A0 GPIO pin */
-static const gpio_output_pin_user_config_t g_lcdA0 = {
- .pinName = GPIO_MAKE_PIN(GPIOD_IDX, 6),
- .config.outputLogic = 0,
- .config.slewRate = kPortSlowSlewRate,
- .config.driveStrength = kPortLowDriveStrength,
-};
-
/* Switch1 GPIO pin */
static const gpio_input_pin_user_config_t g_switch1 = {
.pinName = GPIO_MAKE_PIN(GPIOA_IDX, 1),
@@ -171,23 +156,49 @@ static lpuart_user_config_t g_lpuartConfig = {
.bitCountPerChar = kLpuart9BitsPerChar,
};
-/* LCD SPI config */
-static spi_master_user_config_t g_spi1Config = {
- .bitsPerSec = 100000, // 100 kbps
- .polarity = kSpiClockPolarity_ActiveLow,
- .phase = kSpiClockPhase_SecondEdge,
- .direction = kSpiMsbFirst,
- .bitCount = kSpi8BitMode,
+/* FlexIO config for RGB LED */
+static flexio_user_config_t g_flexioConfig = {
+ .useInt = false,
+ .onDozeEnable = true,
+ .onDebugEnable = false,
+ .fastAccessEnable = true,
+};
+
+static flexio_timer_config_t g_timerConfig = {
+ .trgsel = FLEXIO_HAL_TIMER_TRIGGER_SEL_SHIFTnSTAT(0),
+ .trgpol = kFlexioTimerTriggerPolarityActiveLow,
+ .trgsrc = kFlexioTimerTriggerSourceInternal,
+ .pincfg = kFlexioPinConfigOutputDisabled,
+ .timod = kFlexioTimerModeDual8BitBaudBit,
+ .timout = kFlexioTimerOutputOneNotAffectedByReset,
+ .timdec = kFlexioTimerDecSrcOnFlexIOClockShiftTimerOutput,
+ .timrst = kFlexioTimerResetNever,
+ .timdis = kFlexioTimerDisableOnTimerCompare,
+ .timena = kFlexioTimerEnableOnTriggerHigh,
+ .tstop = kFlexioTimerStopBitDisabled,
+ .tstart = kFlexioTimerStartBitDisabled,
+ .timcmp = (32 * 2 - 1) << 8 | (2 - 1), // 32 bits at 2 MHz
+};
+
+static flexio_shifter_config_t g_shifterConfig = {
+ .timsel = 0,
+ .timpol = kFlexioShifterTimerPolarityOnPositive,
+ .pincfg = kFlexioPinConfigOutput,
+ .pinsel = 4,
+ .pinpol = kFlexioPinActiveHigh,
+ .smode = kFlexioShifterModeTransmit,
+ .sstop = kFlexioShifterStopBitDisable,
+ .sstart = kFlexioShifterStartBitDisabledLoadDataOnEnable,
};
///////
// Code
static cmp_state_t g_cmpState;
-static dma_channel_t g_chan;
+static dma_channel_t g_dacChan, g_fioChan;
static lpuart_state_t g_lpuartState;
static uint8_t rxBuff[1];
-static spi_master_state_t g_spi1State;
+static uint32_t shift0_buf[3];
/*!
* @brief LPTMR interrupt call back function.
@@ -195,9 +206,6 @@ static spi_master_state_t g_spi1State;
*/
static void lptmr_call_back(void)
{
- // Toggle LED1
- GPIO_DRV_TogglePinOutput(g_lcdBacklight.pinName);
-
// AGC adjust
if (CMP_DRV_GetOutputLogic(0) != g_cmpConf.invertEnable) {
if (g_cmpDacConf.dacValue < 63) {
@@ -221,7 +229,7 @@ void PORTA_IRQHandler(void)
PIT_DRV_StopTimer(0, 0);
DAC_DRV_Output(0, 0);
} else {
- DMA_HAL_SetTransferCount(g_dmaBase[0], g_chan.channel, 0xffff0);
+ DMA_HAL_SetTransferCount(g_dmaBase[0], g_dacChan.channel, 0xffff0);
PIT_DRV_StartTimer(0, 0);
}
}
@@ -237,6 +245,11 @@ static void lpuartRxCallback(uint32_t instance, void *lpuartState)
LPUART_STAT_NF_MASK | LPUART_STAT_FE_MASK | LPUART_STAT_PF_MASK);
}
+static void fioDmaCallback(void *param, dma_channel_status_t status)
+{
+ DMA_DRV_StopChannel(&g_fioChan);
+}
+
/*!
* @brief Main function
*/
@@ -270,11 +283,12 @@ int main (void)
DAC_DRV_StructInitUserConfigNormal(&MyDacUserConfigStruct);
DAC_DRV_Init(0, &MyDacUserConfigStruct);
- /* Initialize DMA */
+ /* Initialize DAC DMA channel */
dma_state_t dma_state;
DMA_DRV_Init(&dma_state);
- DMA_DRV_RequestChannel(kDmaAnyChannel, kDmaRequestMux0AlwaysOn60, &g_chan);
- DMAMUX_HAL_SetPeriodTriggerCmd(g_dmamuxBase[0], g_chan.channel, true);
+ DMA_DRV_RequestChannel(kDmaAnyChannel, kDmaRequestMux0AlwaysOn60,
+ &g_dacChan);
+ DMAMUX_HAL_SetPeriodTriggerCmd(g_dmamuxBase[0], g_dacChan.channel, true);
const uint32_t dac_dat = (intptr_t)&DAC_DATL_REG(g_dacBase[0], 0);
const uint16_t L_ON = 0x4ff;
const uint16_t L_OFF = 0x2ff;
@@ -284,13 +298,14 @@ int main (void)
L_ON, L_ON, L_OFF, L_OFF,
L_OFF, L_OFF, L_OFF, L_OFF,
};
- DMA_DRV_ConfigTransfer(&g_chan, kDmaMemoryToPeripheral, 2,
+ DMA_DRV_ConfigTransfer(&g_dacChan, kDmaMemoryToPeripheral, 2,
(intptr_t)laserbuf, dac_dat, 0xffff0);
- DMA_HAL_SetSourceModulo(g_dmaBase[0], g_chan.channel, kDmaModulo32Bytes);
- DMA_HAL_SetAsyncDmaRequestCmd(g_dmaBase[0], g_chan.channel, true);
- DMA_HAL_SetIntCmd(g_dmaBase[0], g_chan.channel, false);
- DMA_HAL_SetDisableRequestAfterDoneCmd(g_dmaBase[0], g_chan.channel, false);
- DMA_DRV_StartChannel(&g_chan);
+ DMA_HAL_SetSourceModulo(g_dmaBase[0], g_dacChan.channel, kDmaModulo32Bytes);
+ DMA_HAL_SetAsyncDmaRequestCmd(g_dmaBase[0], g_dacChan.channel, true);
+ DMA_HAL_SetIntCmd(g_dmaBase[0], g_dacChan.channel, false);
+ DMA_HAL_SetDisableRequestAfterDoneCmd(g_dmaBase[0], g_dacChan.channel,
+ false);
+ DMA_DRV_StartChannel(&g_dacChan);
DAC_DRV_Output(0, 0);
/* Initialize CMP */
@@ -310,45 +325,46 @@ int main (void)
LPUART_DRV_InstallRxCallback(1, lpuartRxCallback, rxBuff, NULL, true);
PORT_HAL_SetMuxMode(g_portBase[GPIOE_IDX], 1, kPortMuxAlt3);
- /* Setup LCD */
- GPIO_DRV_OutputPinInit(&g_lcdBacklight);
- GPIO_DRV_OutputPinInit(&g_lcdA0);
- PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 4, kPortMuxAlt2); // CS
- PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 5, kPortMuxAlt2); // SCL
- PORT_HAL_SetMuxMode(g_portBase[GPIOD_IDX], 7, kPortMuxAlt5); // SI
- SPI_DRV_MasterInit(1, &g_spi1State);
- uint32_t baud;
- SPI_DRV_MasterConfigureBus(1, &g_spi1Config, &baud);
- uint8_t buff[] = {
- 0x80, 0x21, // Set electronic "volume" to 33/63
- 0x2f, // Set power control: booster on, regulator on, follower on
- 0xaf, // Display ON
- 0x40, // Set display line start address to 0
- //0xa5, // all points ON
- };
- SPI_DRV_MasterTransferBlocking(1, NULL, buff, NULL, sizeof(buff), 1000);
+ /* Setup FlexIO for the WS2812B */
+ FLEXIO_Type *fiobase = g_flexioBase[0];
+ CLOCK_SYS_SetFlexioSrc(0, kClockFlexioSrcMcgIrClk);
+ FLEXIO_DRV_Init(0, &g_flexioConfig);
+ FLEXIO_HAL_ConfigureTimer(fiobase, 0, &g_timerConfig);
+ FLEXIO_HAL_ConfigureShifter(fiobase, 0, &g_shifterConfig);
+ PORT_HAL_SetMuxMode(g_portBase[GPIOE_IDX], 20, kPortMuxAlt6);
+ //FLEXIO_DRV_RegisterCallback(0, 0, shift0_int_handler, NULL);
+ FLEXIO_DRV_Start(0);
+
+ FLEXIO_HAL_SetShifterStatusDmaCmd(fiobase, 1, true);
+ uint32_t chan;
+ chan = DMA_DRV_RequestChannel(kDmaAnyChannel, kDmaRequestMux0FlexIOChannel0,
+ &g_fioChan);
+ if (chan == kDmaInvalidChannel) {
+ while(1);
+ }
+ DMA_DRV_RegisterCallback(&g_fioChan, fioDmaCallback, NULL);
- // Try to write something to the display
+ uint8_t green = 32;
+ uint8_t red = 0;
+ uint8_t blue = 32;
+ uint32_t color = (green << 16) | (red << 8) | blue;
int i;
- for (i = 0; i < 4; ++i) {
- int j;
- uint8_t buff[] = {
- 0xb + i, // Set page address to i
- 0x00, 0x10 // Set column address to 0
- };
- GPIO_DRV_ClearPinOutput(g_lcdA0.pinName);
- SPI_DRV_MasterTransferBlocking(1, NULL, buff, NULL, sizeof(buff), 1000);
- GPIO_DRV_SetPinOutput(g_lcdA0.pinName);
- for (j = 0; j < 128; ++j) {
- uint8_t byte = 0x33;
- SPI_DRV_MasterTransferBlocking(1, NULL, &byte, NULL, 1, 1000);
- }
+ for (i = 0; i < 24; ++i) {
+ shift0_buf[i / 10] <<= 3;
+ shift0_buf[i / 10] |= 4 | ((color >> (22 - i)) & 2);
}
+ shift0_buf[2] <<= 3 * 6;
+
+ DMA_DRV_ConfigTransfer(&g_fioChan, kDmaMemoryToPeripheral, 4,
+ (intptr_t)&shift0_buf,
+ (intptr_t)&FLEXIO_SHIFTBUFBIS_REG(fiobase, 0), sizeof(shift0_buf));
+ DMA_DRV_StartChannel(&g_fioChan);
+
/* We're done, everything else is triggered through interrupts */
for(;;) {
#ifndef DEBUG
- SMC_HAL_SetMode(SMC, &g_idlePowerMode);
+ //SMC_HAL_SetMode(SMC, &g_idlePowerMode);
#endif
}
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-10-16 14:11:48 +0000