/**
\fn int32_t LED_Uninitialize (void)
\brief De-initialize LEDs
\returns
- \b 0: function succeeded
- \b -1: function failed
*/
int32_t LED_Uninitialize (void) {
uint32_t n;
/* Unconfigure pins: turn off Pull-up/down resistors */
for (n = 0; n < LED_COUNT; n++) {
SCU_PinConfigure (LED_PIN[n].port, LED_PIN[n].num, 0);
}
return 0;
}
/**
\fn void USB0_PinsConfigure (void)
\brief Configure USB pins
*/
void USB0_PinsConfigure (void) {
// Common (Device and Host) Pins
#if (RTE_USB0_IND0_PIN_EN)
SCU_PinConfigure(RTE_USB0_IND0_PORT, RTE_USB0_IND0_BIT, RTE_USB0_IND0_FUNC);
#endif
#if (RTE_USB0_IND1_PIN_EN)
SCU_PinConfigure(RTE_USB0_IND1_PORT, RTE_USB0_IND1_BIT, RTE_USB0_IND1_FUNC);
#endif
// Host Pins
if (USB0_role == ARM_USB_ROLE_HOST) {
#if (RTE_USB0_PPWR_PIN_EN)
SCU_PinConfigure(RTE_USB0_PPWR_PORT, RTE_USB0_PPWR_BIT, RTE_USB0_PPWR_FUNC);
#endif
#if (RTE_USB0_PWR_FAULT_PIN_EN)
SCU_PinConfigure(RTE_USB0_PWR_FAULT_PORT, RTE_USB0_PWR_FAULT_BIT, RTE_USB0_PWR_FAULT_FUNC);
#endif
}
}
/**
\fn int32_t LED_Initialize (void)
\brief Initialize LEDs
\returns
- \b 0: function succeeded
- \b -1: function failed
*/
int32_t LED_Initialize (void) {
uint32_t n;
/* Enable GPIO clock */
GPIO_PortClock (1);
/* Configure pins: Output Mode with Pull-down resistors */
for (n = 0; n < LED_COUNT; n++) {
SCU_PinConfigure (LED_PIN[n].port, LED_PIN[n].num, LED_PIN[n].config_val);
GPIO_SetDir (LED_GPIO[n].port, LED_GPIO[n].num, GPIO_DIR_OUTPUT);
GPIO_PinWrite (LED_GPIO[n].port, LED_GPIO[n].num, 0);
}
return 0;
}
/**
\fn int32_t Uninitialize (void)
\brief De-initialize Memory Card Interface.
\return \ref execution_status
*/
static int32_t Uninitialize (void) {
/* Change SDIO base clock from PLL1 to IRC */
LPC_CGU->BASE_SDIO_CLK = (0x01 << 11) | (0x01 << 24);
/* Unconfigure SD_CLK and SD_CMD and SD_DAT0 */
if (RTE_SD_CLK_PORT == 0x10) {
SCU_CLK_PinConfigure (RTE_SD_CLK_PIN, 0);
}
else {
SCU_PinConfigure(RTE_SD_CLK_PORT, RTE_SD_CLK_PIN, 0);
}
SCU_PinConfigure(RTE_SD_CMD_PORT, RTE_SD_CMD_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT0_PORT, RTE_SD_DAT0_PIN, 0);
#if (RTE_SDMMC_BUS_WIDTH_4)
/* SD_DAT[3..1] */
SCU_PinConfigure(RTE_SD_DAT1_PORT, RTE_SD_DAT1_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT2_PORT, RTE_SD_DAT2_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT3_PORT, RTE_SD_DAT3_PIN, 0);
#if (RTE_SDMMC_BUS_WIDTH_8)
/* SD_DAT[7..4] */
SCU_PinConfigure(RTE_SD_DAT4_PORT, RTE_SD_DAT4_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT5_PORT, RTE_SD_DAT5_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT6_PORT, RTE_SD_DAT6_PIN, 0);
SCU_PinConfigure(RTE_SD_DAT7_PORT, RTE_SD_DAT7_PIN, 0);
#endif /* RTE_SDMMC_BUS_WIDTH_8 */
#endif /* RTE_SDMMC_BUS_WIDTH_4 */
/* Unconfigure SD_CD (Card Detect) Pin */
#if (RTE_SD_CD_PIN_EN)
SCU_PinConfigure(RTE_SD_CD_PORT, RTE_SD_CD_PIN, 0);
#endif
/* Unconfigure SD_WP (Write Protect) Pin */
#if (RTE_SD_WP_PIN_EN)
SCU_PinConfigure(RTE_SD_WP_PORT, RTE_SD_WP_PIN, 0);
#endif
/* Unconfigure SD_POW Pin */
#if (RTE_SD_POW_PIN_EN)
SCU_PinConfigure(RTE_SD_POW_PORT, RTE_SD_POW_PIN, 0);
#endif
/* Unconfigure SD_RST Pin */
#if (RTE_SD_RST_PIN_EN)
SCU_PinConfigure(RTE_SD_RST_PORT, RTE_SD_RST_PIN, 0);
#endif
MCI.flags = 0;
return ARM_DRIVER_OK;
}
/**
\fn int32_t Initialize (ARM_MCI_SignalEvent_t cb_event)
\brief Initialize the Memory Card Interface
\param[in] cb_event Pointer to \ref ARM_MCI_SignalEvent
\return \ref execution_status
*/
static int32_t Initialize (ARM_MCI_SignalEvent_t cb_event) {
if (MCI.flags & MCI_INIT) { return ARM_DRIVER_OK; }
/* Enable GPIO register interface clock */
LPC_CCU1->CLK_M3_GPIO_CFG |= CCU_CLK_CFG_AUTO | CCU_CLK_CFG_RUN;
while (!(LPC_CCU1->CLK_M3_GPIO_STAT & CCU_CLK_STAT_RUN));
/* Configure SD_CLK, SD_CMD and SD_DAT0 */
if (RTE_SD_CLK_PORT == 0x10) {
SCU_CLK_PinConfigure (RTE_SD_CLK_PIN, RTE_SD_CLK_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
}
else {
SCU_PinConfigure(RTE_SD_CLK_PORT, RTE_SD_CLK_PIN, RTE_SD_CLK_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
}
SCU_PinConfigure(RTE_SD_CMD_PORT, RTE_SD_CMD_PIN, RTE_SD_CMD_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT0_PORT, RTE_SD_DAT0_PIN, RTE_SD_DAT0_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#if (RTE_SDMMC_BUS_WIDTH_4)
/* SD_DAT[3..1] */
SCU_PinConfigure(RTE_SD_DAT3_PORT, RTE_SD_DAT3_PIN, RTE_SD_DAT3_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT2_PORT, RTE_SD_DAT2_PIN, RTE_SD_DAT2_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT1_PORT, RTE_SD_DAT1_PIN, RTE_SD_DAT1_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#if (RTE_SDMMC_BUS_WIDTH_8)
/* SD_DAT[7..4] */
SCU_PinConfigure(RTE_SD_DAT4_PORT, RTE_SD_DAT4_PIN, RTE_SD_DAT4_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT5_PORT, RTE_SD_DAT5_PIN, RTE_SD_DAT5_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT6_PORT, RTE_SD_DAT6_PIN, RTE_SD_DAT6_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
SCU_PinConfigure(RTE_SD_DAT7_PORT, RTE_SD_DAT7_PIN, RTE_SD_DAT7_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#endif /* RTE_SDMMC_BUS_WIDTH_8 */
#endif /* RTE_SDMMC_BUS_WIDTH_4 */
#if (RTE_SD_CD_PIN_EN)
/* Configure SD_CD (Card Detect) Pin */
SCU_PinConfigure(RTE_SD_CD_PORT, RTE_SD_CD_PIN, RTE_SD_CD_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#endif
#if (RTE_SDIO_WP_PIN_EN)
/* Configure SD_WP (Write Protect) Pin */
SCU_PinConfigure(RTE_SD_WP_PORT, RTE_SD_WP_PIN, RTE_SD_WP_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#endif
/* Configure SD_POW Pin */
#if (RTE_SD_POW_PIN_EN)
SCU_PinConfigure(RTE_SD_POW_PORT, RTE_SD_POW_PIN, RTE_SD_POW_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#endif
/* Configure SD_RST Pin */
#if (RTE_SD_RST_PIN_EN)
SCU_PinConfigure(RTE_SD_RST_PORT, RTE_SD_RST_PIN, RTE_SD_RST_FUNC |
SCU_PIN_CFG_PULLUP_DIS |
SCU_PIN_CFG_INPUT_BUFFER_EN |
SCU_PIN_CFG_INPUT_FILTER_DIS);
#endif
/* Connect SDIO base clock to PLL1 */
LPC_CGU->BASE_SDIO_CLK = (0x01 << 11) | (SDIO_CLK_SEL_PLL1 << 24);
/* Clear control structure */
memset (&MCI, 0, sizeof (MCI_INFO));
MCI.cb_event = cb_event;
MCI.flags = MCI_INIT;
return ARM_DRIVER_OK;
}
/**
\fn void USB1_PinsConfigure (void)
\brief Configure USB pins
*/
void USB1_PinsConfigure (void) {
// Common (Device and Host) Pins
#if (RTE_USB1_IND0_PIN_EN)
SCU_PinConfigure(RTE_USB1_IND0_PORT, RTE_USB1_IND0_BIT, RTE_USB1_IND0_FUNC);
#endif
#if (RTE_USB1_IND1_PIN_EN)
SCU_PinConfigure(RTE_USB1_IND1_PORT, RTE_USB1_IND1_BIT, RTE_USB1_IND1_FUNC);
#endif
#if (RTE_USB_USB1_FS_PHY_EN)
#if (RTE_USB1_VBUS_PIN_EN)
// Device Pin
if (USB1_role == ARM_USB_ROLE_DEVICE) {
SCU_PinConfigure(RTE_USB1_VBUS_PORT, RTE_USB1_VBUS_BIT, RTE_USB1_VBUS_FUNC | SCU_SFS_EPD | SCU_SFS_EZI);
}
#endif
#endif
// Host Pins
if (USB1_role == ARM_USB_ROLE_HOST) {
#if (RTE_USB1_PPWR_PIN_EN)
SCU_PinConfigure(RTE_USB1_PPWR_PORT, RTE_USB1_PPWR_BIT, RTE_USB1_PPWR_FUNC);
#endif
#if (RTE_USB1_PWR_FAULT_PIN_EN)
SCU_PinConfigure(RTE_USB1_PWR_FAULT_PORT, RTE_USB1_PWR_FAULT_BIT, RTE_USB1_PWR_FAULT_FUNC);
#endif
}
// ULPI Pins
#if (RTE_USB_USB1_HS_PHY_EN)
SCU_PinConfigure(RTE_USB1_ULPI_CLK_PORT, RTE_USB1_ULPI_CLK_BIT, RTE_USB1_ULPI_CLK_FUNC);
SCU_PinConfigure(RTE_USB1_ULPI_DIR_PORT, RTE_USB1_ULPI_DIR_BIT, RTE_USB1_ULPI_DIR_FUNC);
SCU_PinConfigure(RTE_USB1_ULPI_STP_PORT, RTE_USB1_ULPI_STP_BIT, RTE_USB1_ULPI_STP_FUNC);
SCU_PinConfigure(RTE_USB1_ULPI_NXT_PORT, RTE_USB1_ULPI_NXT_BIT, RTE_USB1_ULPI_NXT_FUNC);
SCU_PinConfigure(RTE_USB1_ULPI_D0_PORT, RTE_USB1_ULPI_D0_BIT, RTE_USB1_ULPI_D0_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D1_PORT, RTE_USB1_ULPI_D1_BIT, RTE_USB1_ULPI_D1_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D2_PORT, RTE_USB1_ULPI_D2_BIT, RTE_USB1_ULPI_D2_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D3_PORT, RTE_USB1_ULPI_D3_BIT, RTE_USB1_ULPI_D3_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D4_PORT, RTE_USB1_ULPI_D4_BIT, RTE_USB1_ULPI_D4_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D5_PORT, RTE_USB1_ULPI_D5_BIT, RTE_USB1_ULPI_D5_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D6_PORT, RTE_USB1_ULPI_D6_BIT, RTE_USB1_ULPI_D6_FUNC );
SCU_PinConfigure(RTE_USB1_ULPI_D7_PORT, RTE_USB1_ULPI_D7_BIT, RTE_USB1_ULPI_D7_FUNC );
#endif
}
