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* Re-order OSC, VIMS cache, I/O latch configuration instructions
* Don't automatically enable UART RX: Let the example decide this
This commit is contained in:
George Oikonomou 2015-05-01 17:04:44 +01:00
parent 07272b7cd6
commit 019143226b
1 changed files with 18 additions and 37 deletions
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55
platform/srf06-cc26xx/contiki-main.c
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@ -46,6 +46,7 @@
#include "lpm.h"
#include "gpio-interrupt.h"
#include "dev/watchdog.h"
#include "dev/oscillators.h"
#include "ieee-addr.h"
#include "vims.h"
#include "cc26xx-model.h"
@ -119,23 +120,6 @@ set_rf_params(void)
#endif
}
/*---------------------------------------------------------------------------*/
static void
select_lf_xosc(void)
{
ti_lib_osc_interface_enable();
/* Make sure the SMPH clock within AUX is enabled */
ti_lib_aux_wuc_clock_enable(AUX_WUC_SMPH_CLOCK);
while(ti_lib_aux_wuc_clock_status(AUX_WUC_SMPH_CLOCK) != AUX_WUC_CLOCK_READY);
/* Switch LF clock source to the LF RCOSC if required */
if(ti_lib_osc_clock_source_get(OSC_SRC_CLK_LF) != OSC_XOSC_LF) {
ti_lib_osc_clock_source_set(OSC_SRC_CLK_LF, OSC_XOSC_LF);
}
ti_lib_osc_interface_disable();
}
/*---------------------------------------------------------------------------*/
/**
* \brief Main function for CC26xx-based platforms
*
@ -144,41 +128,39 @@ select_lf_xosc(void)
int
main(void)
{
/* Enable flash cache and prefetch. */
ti_lib_vims_mode_set(VIMS_BASE, VIMS_MODE_ENABLED);
ti_lib_vims_configure(VIMS_BASE, true, true);
ti_lib_int_master_disable();
/* Set the LF XOSC as the LF system clock source */
select_lf_xosc();
/*
* Make sure to open the latches - this will be important when returning
* from shutdown
*/
ti_lib_pwr_ctrl_io_freeze_disable();
/* Use DCDC instead of LDO to save current */
ti_lib_pwr_ctrl_source_set(PWRCTRL_PWRSRC_DCDC);
oscillators_select_lf_xosc();
lpm_init();
board_init();
/* Enable flash cache and prefetch. */
ti_lib_vims_mode_set(VIMS_BASE, VIMS_MODE_ENABLED);
ti_lib_vims_configure(VIMS_BASE, true, true);
gpio_interrupt_init();
/* Clock must always be enabled for the semaphore module */
HWREG(AUX_WUC_BASE + AUX_WUC_O_MODCLKEN1) = AUX_WUC_MODCLKEN1_SMPH;
leds_init();
/*
* Disable I/O pad sleep mode and open I/O latches in the AON IOC interface
* This is only relevant when returning from shutdown (which is what froze
* latches in the first place. Before doing these things though, we should
* allow software to first regain control of pins
*/
ti_lib_pwr_ctrl_io_freeze_disable();
fade(LEDS_RED);
ti_lib_int_master_enable();
cc26xx_rtc_init();
clock_init();
rtimer_init();
board_init();
watchdog_init();
process_init();
@ -187,7 +169,6 @@ main(void)
/* Character I/O Initialisation */
#if CC26XX_UART_CONF_ENABLE
cc26xx_uart_init();
cc26xx_uart_set_input(serial_line_input_byte);
#endif
serial_line_init();