void hardware_init(void) {
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
CLOCK_SYS_EnablePortClock(PORTD_IDX);
CLOCK_SYS_EnablePortClock(PORTE_IDX);
/* Init board clock */
BOARD_ClockInit();
dbg_uart_init();
/*Set Flexio clock source*/
CLOCK_HAL_SetLircCmd(MCG, true);
CLOCK_HAL_SetLircSelMode(MCG,kMcgliteLircSel2M);
CLOCK_SYS_SetFlexioSrc(0U, kClockFlexioSrcMcgIrClk);
configure_flexio_pins(0U,4U);/*if enable TX output to check IRDA encode data waveform--PTD4 */
configure_flexio_pins(0U,5U); /*if enable RX output to check IRDA decode waveform--PTD5 */
configure_flexio_pins(0U,6U); /*IRDA RX pin -- PTD6 */
configure_flexio_pins(0U,7U); /*IRDA TX pin -- PTD7 */
configure_cmp_pins(0U); /*CMP out as Flexio trigger source if enabled*/
}
void hardware_init(void) {
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
CLOCK_SYS_EnablePortClock(PORTD_IDX);
CLOCK_SYS_EnablePortClock(PORTE_IDX);
/* Init board clock */
BOARD_ClockInit();
dbg_uart_init();
//Configure flexio clock src and pin mux
CLOCK_SYS_SetFlexioSrc(0,(clock_flexio_src_t)1);
configure_flexio_pins(0,5); /*FLEXIO pin 5 simulated as UART TX*/
configure_flexio_pins(0,4); /*FLEXIO pin 4 simulated as UART RX*/
//Configure lpuart pin mux
configure_lpuart_pins(1);
}
/*!
* @brief Main function
*/
int main (void)
{
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
//CLOCK_SYS_EnablePortClock(PORTB_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
CLOCK_SYS_EnablePortClock(PORTD_IDX);
CLOCK_SYS_EnablePortClock(PORTE_IDX);
/* Set allowed power mode, allow all. */
SMC_HAL_SetProtection(SMC, kAllowPowerModeAll);
/* Set system clock configuration. */
CLOCK_SYS_SetConfiguration(&g_defaultClockConfigVlpr);
/* Initialize LPTMR */
lptmr_state_t lptmrState;
LPTMR_DRV_Init(LPTMR0_IDX, &lptmrState, &g_lptmrConfig);
LPTMR_DRV_SetTimerPeriodUs(LPTMR0_IDX, 100000);
LPTMR_DRV_InstallCallback(LPTMR0_IDX, lptmr_call_back);
/* Initialize DMA */
dma_state_t dma_state;
DMA_DRV_Init(&dma_state);
/* Initialize PIT */
PIT_DRV_Init(0, false);
PIT_DRV_InitChannel(0, 0, &g_pitChan0);
/* Initialize CMP */
CMP_DRV_Init(0, &g_cmpState, &g_cmpConf);
CMP_DRV_ConfigDacChn(0, &g_cmpDacConf);
PORT_HAL_SetMuxMode(g_portBase[GPIOC_IDX], 0, kPortMuxAlt5);
CMP_DRV_Start(0);
/* Buttons */
GPIO_DRV_InputPinInit(&g_switch1);
GPIO_DRV_InputPinInit(&g_switch2);
GPIO_DRV_InputPinInit(&g_switchUp);
GPIO_DRV_InputPinInit(&g_switchDown);
GPIO_DRV_InputPinInit(&g_switchLeft);
GPIO_DRV_InputPinInit(&g_switchRight);
GPIO_DRV_InputPinInit(&g_switchSelect);
/* Start LPTMR */
LPTMR_DRV_Start(LPTMR0_IDX);
/* Setup LPUART1 */
LPUART_DRV_Init(1, &g_lpuartState, &g_lpuartConfig);
LPUART_DRV_InstallRxCallback(1, lpuartRxCallback, rxBuff, NULL, true);
LPUART_DRV_InstallTxCallback(1, lpuartTxCallback, NULL, NULL);
LPUART_BWR_CTRL_TXINV(g_lpuartBase[1], 1);
PORT_HAL_SetMuxMode(g_portBase[GPIOE_IDX], 0, kPortMuxAlt3);
PORT_HAL_SetMuxMode(g_portBase[GPIOE_IDX], 1, kPortMuxAlt3);
/* 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_Start(0);
FLEXIO_HAL_SetShifterStatusDmaCmd(fiobase, 1, true);
DMA_DRV_RequestChannel(kDmaAnyChannel, kDmaRequestMux0FlexIOChannel0,
&g_fioChan);
DMA_DRV_RegisterCallback(&g_fioChan, fioDmaCallback, NULL);
/* Connect buzzer to TPM0_CH3 */
PORT_HAL_SetMuxMode(g_portBase[GPIOE_IDX], 30, kPortMuxAlt3);
tpm_general_config_t tmpConfig = {
.isDBGMode = false,
.isGlobalTimeBase = false,
.isTriggerMode = false,
.isStopCountOnOveflow = false,
.isCountReloadOnTrig = false,
.triggerSource = kTpmTrigSel0,
};
TPM_DRV_Init(0, &tmpConfig);
TPM_DRV_SetClock(0, kTpmClockSourceModuleMCGIRCLK, kTpmDividedBy1);
/* Blank LED just in case, saves power */
led(0x00, 0x00, 0x00);
/* Init e-paper display */
EPD_Init();
/* Throw up first image */
int ret = EPD_Draw(NULL, images[current_image]);
if (-1 == ret) {
led(0xff, 0x00, 0x00);
} else if (-2 == ret) {
led(0xff, 0xff, 0x00);
} else if (-3 == ret) {
led(0x00, 0x00, 0xff);
} else {
led(0x00, 0xff, 0x00);
}
blank_led = 30;
/* Deinit so we can mess around on the bus pirate */
//EPD_Deinit();
/* We're done, everything else is triggered through interrupts */
for(;;) {
if (cue_next_image) {
int old_image = current_image;
current_image = (current_image + 1) % image_count;
EPD_Draw(images[old_image], images[current_image]);
cue_next_image = 0;
}
#ifndef DEBUG
SMC_HAL_SetMode(SMC, &g_idlePowerMode);
#endif
}
}