/** \fn void MCU_Init(void)
* \brief Initializes ports of the MCU.
*
* \return None
*
* \note It has to be called from the Initialization section.
* \todo Create description
*/
void vPlf_McuInit(void)
{
U16 wDelay = 0xFFFF;
/* disable watchdog */
PCA0MD &= (~M_WDTE);
/* Init Internal Precision Oscillator (24.5MHz) */
SFRPAGE = LEGACY_PAGE;
FLSCL = M_BYPASS;
OSCICN |= M_IOSCEN; // p7: Internal Prec. Osc. enabled
CLKSEL = 0x00; // Int. Prec. Osc. selected (24.5MHz)
#if ((defined SILABS_PLATFORM_RFSTICK) || (defined SILABS_PLATFORM_LCDBB))
P0MDOUT = M_P0_UART_TX; //PBs: P0.0-P0.3 (same as RF_GPIO0-3) used as input
// P1MDOUT = M_P1_SPI1_SCK | M_P1_SPI1_MOSI | M_P1_RF_NSEL | M_P1_RF_PWRDN;
#if (defined SILABS_PLATFORM_LCDBB)
P1MDOUT |= M_P1_LCD_NSEL | M_P1_LCD_A0;
#endif
P0SKIP = (~M_P0_UART_TX) & (~M_P0_UART_RX);// & (~M_P0_I2C_SCL) & (~M_P0_I2C_SDA); //skip all on port, but UART & SMBus
// P1SKIP = (~M_P1_SPI1_SCK) & (~M_P1_SPI1_MISO) & (~M_P1_SPI1_MOSI); //skip all on port, but SPI1
// P2SKIP = (~M_P2_BZ1); //skip all on port, but buzzer with PCA CEX0
#elif ((defined SILABS_MCU_DC_EMIF_F930) || (SILABS_MCU_DC_EMIF_F930_STANDALONE))
#if (defined SILABS_MCU_DC_EMIF_F930)
// Init master hw SPI interface (SCK clock: 2.45MHz)
// Init SPI0 (LCD)
SPI0CFG = M_MSTEN0; //p6: SPI0 enable master mode
SPI0CN = M_SPI0EN; //p1: SPI0 enable
SPI0CKR = 0x04; //fSCK = SYSCLK / 10
#endif
P0MDOUT = M_P0_UART_TX | M_P0_LED1 | M_P0_LED2 | M_P0_LED3 | M_P0_LED4;
P1MDOUT = M_P1_SPI1_SCK | M_P1_SPI1_MOSI | M_P1_RF_NSEL;
P2MDOUT = M_P2_RF_PWRDN;
#if (defined SILABS_MCU_DC_EMIF_F930)
P1MDOUT |= M_P1_SPI0_SCK | M_P1_SPI0_MOSI;
P2MDOUT |= M_P2_LCD_NSEL | M_P2_LCD_A0;
#endif
P0SKIP = (~M_P0_UART_TX) & (~M_P0_UART_RX) ; //skip all on port, but UART
P1SKIP = (~M_P1_SPI1_SCK) & (~M_P1_SPI1_MISO) & (~M_P1_SPI1_MOSI); //skip all on port, but SPI1
P2SKIP = (~M_P2_I2C_SCL) & (~M_P2_I2C_SDA); //skip all on port, but SMBus
#if (defined SILABS_MCU_DC_EMIF_F930)
P1SKIP &= (~M_P1_SPI0_SCK) & (~M_P1_SPI0_MISO) & (~M_P1_SPI0_MOSI); //do not skip SPI0 for LCD
#endif
#elif (defined SILABS_PLATFORM_WMB930)
/* Port IN/OUT init */
P0MDOUT = 0x80;
P1MDOUT = 0xF5;
P2MDOUT = 0x49;
P0SKIP = 0xCF;
P1SKIP = 0x18;
P2SKIP = 0xB9;
#elif (defined SILABS_PLATFORM_WMB912)
/* Port IN/OUT init */
/* P0: 2,3,4,6,7 push-pull */
/* P1: 0,2,3,6 push-pull */
/* P2: no push-pull */
P0MDOUT = (0xDC | M_P0_UART_TX) & (~(1<<B_P0_RF_NIRQ));
P1MDOUT = 0x4D | M_P1_LED;
/* P0: 0,1,2,3,6,7 skipped */
/* P1: 3,6 skipped */
/* P2: 7 skipped */
P0SKIP = 0xCF & (~M_P0_UART_TX) & (~M_P0_UART_RX);
P1SKIP = 0x48 | M_P1_LED;
/* Set SMBUS clock speed */
Set115200bps_24MHZ5;
/* Start Timer1 */
TR1 = 1;
/* Initialize SMBus */
vSmbus_InitSMBusInterface();
/* Initialize UART */
Comm_IF_EnableUART();
/* Initialize INT0 */
//Ext_Interrupt0_Init(B_P0_RF_NIRQ);
#else
#error TO BE WRITTEN FOR OTHER PLARFORMS!
#endif
P0MDIN = 0xFF; // All pin configured as digital port
P1MDIN = 0xFF; // All pin configured as digital port
#if !(defined SILABS_PLATFORM_WMB912)
P2MDIN = 0xFF; // All pin configured as digital port
#endif
/* Set Drive Strenght */
SFRPAGE = CONFIG_PAGE;
P0DRV = 0x00;
P1DRV = 0x00;
#if !(defined SILABS_PLATFORM_WMB912)
P2DRV = 0x00;
#endif
SFRPAGE = LEGACY_PAGE;
/* Crossbar configuration */
XBR0 = M_URT0E | M_SMB0E; //p0: UART enabled on XBAR
XBR1 = M_SPI1E ; //p6: SPI1 enabled on XBAR
#if ((defined SILABS_PLATFORM_RFSTICK) || (defined SILABS_PLATFORM_LCDBB))
XBR1 |= (1 << BF_PCA0ME_0); //p0: PCA CEX0 enabled on XBAR
#elif(defined SILABS_MCU_DC_EMIF_F930)
XBR0 |= M_SPI0E ; //p6: SPI1 enabled on XBAR
#elif (defined SILABS_MCU_DC_EMIF_F930_STANDALONE)
#elif (defined SILABS_PLATFORM_WMB930)
XBR1 |= (1 << BF_PCA0ME_0); //p0: PCA CEX0 enabled on XBAR
XBR0 |= M_SPI0E;
#elif (defined SILABS_PLATFORM_WMB912)
#else
#error TO BE WRITTEN FOR OTHER PLARFORMS!
#endif
XBR2 = M_XBARE; //p6: XBAR enable
/* latch all inputs to '1' */
P0 = ~P0MDOUT;
P1 = ~P1MDOUT;
#if !(defined SILABS_PLATFORM_WMB912)
P2 = ~P2MDOUT;
#endif
/* set all output to its default state */
LED = ILLUMINATE;
#if !(defined SILABS_PLATFORM_WMB912)
LED2 = EXTINGUISH;
LED3 = EXTINGUISH;
LED4 = EXTINGUISH;
#endif
RF_NSEL = TRUE;
RF_PWRDN = FALSE;
/* SPI1 & SPI0 Config & Enable */
SPI0CFG = 0x40;
SPI1CFG = 0x40;
#if !(defined SILABS_PLATFORM_WMB912)
SPI0CN = 0x01;
#else
SPI0CN = 0x00;
#endif
SPI1CN = 0x01;
SPI0CKR = 0x0B;
SPI1CKR = 0x0B;
/* De-select radio SPI */
vSpi_SetNsel(eSpi_Nsel_RF);
/* Startup delay */
for (; wDelay; wDelay--) ;
}
/** @fn void MCU_Init(void)
* @brief Initializes ports of the MCU.
*
* @return None
*
* @note It has to be called from the Initialization section.
*/
void vPlf_McuInit(void)
{
U16 wDelay = 0xFFFF;
/* disable F930 watchdog */
PCA0MD &= (~M_WDTE);
/* Init Internal Precision Oscillator (24.5MHz) */
SFRPAGE = LEGACY_PAGE;
FLSCL = M_BYPASS;
OSCICN |= M_IOSCEN; // p7: Internal Prec. Osc. enabled
CLKSEL = 0x00; // Int. Prec. Osc. selected (24.5MHz)
#if ((defined SILABS_PLATFORM_RFSTICK) || (defined SILABS_PLATFORM_LCD_BB))
P0MDOUT = M_P0_UART_TX; //PBs: P0.0-P0.3 (same as RF_GPIO0-3) used as input
P1MDOUT = M_P1_SPI1_SCK | M_P1_SPI1_MOSI | M_P1_RF_NSEL | M_P1_RF_PWRDN;
P2MDOUT = M_P2_LED1 | M_P2_LED2 | M_P2_LED3 | M_P2_LED4 | M_P2_BZ1;
#if (defined SILABS_PLATFORM_LCD_BB)
P1MDOUT |= M_P1_LCD_NSEL | M_P1_LCD_A0;
#endif
P0SKIP = (~M_P0_UART_TX) & (~M_P0_UART_RX) & (~M_P0_I2C_SCL) & (~M_P0_I2C_SDA); //skip all on port, but UART & SMBus
P1SKIP = (~M_P1_SPI1_SCK) & (~M_P1_SPI1_MISO) & (~M_P1_SPI1_MOSI); //skip all on port, but SPI1
P2SKIP = (~M_P2_BZ1); //skip all on port, but buzzer with PCA CEX0
#elif ((defined SILABS_MCU_DC_EMIF_F930) || (SILABS_MCU_DC_EMIF_F930_STANDALONE))
#if (defined SILABS_MCU_DC_EMIF_F930)
// Init master hw SPI interface (SCK clock: 2.45MHz)
// Init SPI0 (LCD)
SPI0CFG = M_MSTEN0; //p6: SPI0 enable master mode
SPI0CN = M_SPI0EN; //p1: SPI0 enable
SPI0CKR = 0x04; //fSCK = SYSCLK / 10
#endif
P0MDOUT = M_P0_UART_TX | M_P0_LED1 | M_P0_LED2 | M_P0_LED3 | M_P0_LED4;
P1MDOUT = M_P1_SPI1_SCK | M_P1_SPI1_MOSI | M_P1_RF_NSEL;
P2MDOUT = M_P2_RF_PWRDN;
#if (defined SILABS_MCU_DC_EMIF_F930)
P1MDOUT |= M_P1_SPI0_SCK | M_P1_SPI0_MOSI;
P2MDOUT |= M_P2_LCD_NSEL | M_P2_LCD_A0;
#endif
P0SKIP = (~M_P0_UART_TX) & (~M_P0_UART_RX) ; //skip all on port, but UART
P1SKIP = (~M_P1_SPI1_SCK) & (~M_P1_SPI1_MISO) & (~M_P1_SPI1_MOSI); //skip all on port, but SPI1
P2SKIP = (~M_P2_I2C_SCL) & (~M_P2_I2C_SDA); //skip all on port, but SMBus
#if (defined SILABS_MCU_DC_EMIF_F930)
P1SKIP &= (~M_P1_SPI0_SCK) & (~M_P1_SPI0_MISO) & (~M_P1_SPI0_MOSI); //do not skip SPI0 for LCD
#endif
#elif (defined SILABS_PLATFORM_WMB)
/* Port IN/OUT init */
P0MDOUT = 0x80;
P1MDOUT = 0xF5;
P2MDOUT = 0x49;
P0SKIP = 0xCF;
P1SKIP = 0x18;
P2SKIP = 0x81;
#else
#error TO BE WRITTEN FOR OTHER PLARFORMS!
#endif
P0MDIN = 0xFF; // All pin configured as digital port
P1MDIN = 0xFF; // All pin configured as digital port
P2MDIN = 0xFF; // All pin configured as digital port
/* Set Drive Strenght */
SFRPAGE = CONFIG_PAGE;
P0DRV = 0x00;
P1DRV = 0x00;
P2DRV = 0x00;
SFRPAGE = LEGACY_PAGE;
/* Crossbar configuration */
XBR0 = M_URT0E | M_SMB0E; //p0: UART enabled on XBAR
XBR1 = M_SPI1E ; //p6: SPI1 enabled on XBAR
#if ((defined SILABS_PLATFORM_RFSTICK) || (defined SILABS_PLATFORM_LCD_BB))
XBR1 |= (1 << BF_PCA0ME_0); //p0: PCA CEX0 enabled on XBAR
#elif(defined SILABS_MCU_DC_EMIF_F930)
XBR0 |= M_SPI0E ; //p6: SPI1 enabled on XBAR
#elif (defined SILABS_MCU_DC_EMIF_F930_STANDALONE)
#elif (defined SILABS_PLATFORM_WMB)
XBR0 |= M_SPI0E;
#else
#error TO BE WRITTEN FOR OTHER PLARFORMS!
#endif
XBR2 = M_XBARE; //p6: XBAR enable
/* latch all inputs to '1' */
P0 = ~P0MDOUT;
P1 = ~P1MDOUT;
P2 = ~P2MDOUT;
/* set all output to its default state */
LED1 = EXTINGUISH;
LED2 = EXTINGUISH;
LED3 = EXTINGUISH;
LED4 = EXTINGUISH;
RF_NSEL = TRUE;
RF_PWRDN = FALSE;
/* SPI1 & SPI0 Config & Enable */
SPI0CFG = 0x40;
SPI1CFG = 0x40;
SPI0CN = 0x01;
SPI1CN = 0x01;
SPI0CKR = 0x0B;
SPI1CKR = 0x0B;
/* UART must be enabled, cannot be disabled */
Comm_IF_EnableUART();
#if ((defined SILABS_LCD_DOG_GLCD) || (defined SILABS_MCU_DC_EMIF_F930) || (defined SILABS_PLATFORM_WMB))
LCD_NSEL = TRUE;
LCD_A0 = FALSE;
#endif
/* Startup delay */
for (; wDelay; wDelay--) ;
}
