/* Start CC3000, must be called after EXT_DRIVER and
* SPI_DRIVER are initialized
**/
static void initCC3000Hw(void)
{
chprintf((BaseSequentialStream *)&SERIAL_DRIVER, "wlan_init ...");
cc3000ChibiosWlanInit(&CC3K_SPI_DRIVER, &chCC3SpiConfig,
&CC3K_EXT_DRIVER, &chExtConfig,
0,0,0, ccprint);
chprintf((BaseSequentialStream *)&SERIAL_DRIVER,"done!\r\n");
chprintf((BaseSequentialStream *)&SERIAL_DRIVER,"wlan_start ...");
wlan_start(0);
chprintf((BaseSequentialStream *)&SERIAL_DRIVER,"done!\r\n");
}
static void initialiseCC3000(void)
{
#ifdef STM32L1XX_MD
/* SPI Config */
cc3000SpiConfig.end_cb = NULL;
cc3000SpiConfig.ssport = CHIBIOS_CC3000_NSS_PORT;
cc3000SpiConfig.sspad = CHIBIOS_CC3000_NSS_PAD;
#if 1
cc3000SpiConfig.cr1 = SPI_CR1_CPHA | /* 2nd clock transition first data capture edge */
(SPI_CR1_BR_1 | SPI_CR1_BR_0 ); /* BR: 011 - 2 MHz */
/* Setup SPI pins */
palSetPad(CHIBIOS_CC3000_NSS_PORT, CHIBIOS_CC3000_NSS_PAD);
palSetPadMode(CHIBIOS_CC3000_NSS_PORT, CHIBIOS_CC3000_NSS_PAD,
PAL_MODE_OUTPUT_PUSHPULL |
PAL_STM32_OSPEED_LOWEST); /* 400 kHz */
palSetPadMode(CHIBIOS_CC3000_SPI_PORT, CHIBIOS_CC3000_SCK_PAD,
PAL_MODE_ALTERNATE(5) | /* SPI */
PAL_STM32_OTYPE_PUSHPULL |
PAL_STM32_OSPEED_MID2); /* 10 MHz */
palSetPadMode(CHIBIOS_CC3000_SPI_PORT, CHIBIOS_CC3000_MISO_PAD,
PAL_MODE_ALTERNATE(5)); /* SPI */
palSetPadMode(CHIBIOS_CC3000_SPI_PORT, CHIBIOS_CC3000_MOSI_PAD,
PAL_MODE_ALTERNATE(5) | /* SPI */
PAL_STM32_OTYPE_PUSHPULL |
PAL_STM32_OSPEED_MID2); /* 10 MHz */
#else
#if 0
cc3000SpiConfig.cr1 = SPI_CR1_CPHA | /* 2nd clock transition first data capture edge */
(SPI_CR1_BR_0); /* BR: 001 - 8 MHz */
#endif
cc3000SpiConfig.cr1 = SPI_CR1_CPHA | /* 2nd clock transition first data capture edge */
(SPI_CR1_BR_1 | SPI_CR1_BR_0 ); /* BR: 011 - 2 MHz */
/* Setup SPI pins */
palSetPad(CHIBIOS_CC3000_PORT, CHIBIOS_CC3000_NSS_PAD);
palSetPadMode(CHIBIOS_CC3000_PORT, CHIBIOS_CC3000_NSS_PAD,
PAL_MODE_OUTPUT_PUSHPULL |
PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(CHIBIOS_CC3000_PORT, CHIBIOS_CC3000_SCK_PAD,
PAL_MODE_ALTERNATE(5) | /* SPI */
PAL_STM32_OTYPE_PUSHPULL |
PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(CHIBIOS_CC3000_PORT, CHIBIOS_CC3000_MISO_PAD,
PAL_MODE_ALTERNATE(5));
palSetPadMode(CHIBIOS_CC3000_PORT, CHIBIOS_CC3000_MOSI_PAD,
PAL_MODE_ALTERNATE(5) | /* SPI */
PAL_STM32_OTYPE_PUSHPULL |
PAL_STM32_OSPEED_MID2);
#endif
/* Setup IRQ pin */
palSetPadMode(CHIBIOS_CC3000_IRQ_PORT, CHIBIOS_CC3000_IRQ_PAD,
PAL_MODE_INPUT);
/* Setup WLAN EN pin.
With the pin low, we sleep here to make sure CC3000 is off. */
palClearPad(CHIBIOS_CC3000_WLAN_EN_PORT, CHIBIOS_CC3000_WLAN_EN_PAD);
palSetPadMode(CHIBIOS_CC3000_WLAN_EN_PORT, CHIBIOS_CC3000_WLAN_EN_PAD,
PAL_MODE_OUTPUT_PUSHPULL |
PAL_STM32_OSPEED_LOWEST); /* 400 kHz */
#endif /* STM32L1XX_MD */
chMtxInit(&cc3000ApiMutex);
extObjectInit(&CC3000_EXT_DRIVER);
spiObjectInit(&CC3000_SPI_DRIVER);
chThdSleep(MS2ST(500));
cc3000ChibiosWlanInit(&CC3000_SPI_DRIVER, &cc3000SpiConfig,
&CC3000_EXT_DRIVER, &cc3000ExtConfig,
0,0,0, debugPrint);
}
