// Prepare Hardware Channel
int platform_adc_update_sequence( )
{
elua_adc_dev_state *d = adc_get_dev_state( 0 );
CloseADC10(); // Ensure the ADC is off before setting the configuration
AD1CSSL = 0;
AD1PCFG = 0xffffffff;
platform_setup_adcs();
d->seq_ctr = 0;
while( d->seq_ctr < d->seq_len )
{
AD1CSSLSET = (1 << d->ch_state[ d->seq_ctr ]->id);
AD1PCFGCLR = (1 << d->ch_state[ d->seq_ctr ]->id);
d->seq_ctr++;
}
d->seq_ctr = 0;
EnableADC10();
// start conversion
AD1CON1SET = _AD1CON1_ASAM_MASK;
AD1CON1SET = _AD1CON1_SAMP_MASK;
return PLATFORM_OK;
}
int platform_init()
{
// Set up microcontroller system and SystemCoreClock variable
SystemInit();
// DeInit NVIC and SCBNVIC
NVIC_DeInit();
NVIC_SCBDeInit();
// Configure the NVIC Preemption Priority Bits:
// two (2) bits of preemption priority, six (6) bits of sub-priority.
// Since the Number of Bits used for Priority Levels is five (5), so the
// actual bit number of sub-priority is three (3)
NVIC_SetPriorityGrouping(0x05);
// Set Vector table offset value
#if (__RAM_MODE__==1)
NVIC_SetVTOR(0x10000000);
#else
NVIC_SetVTOR(0x00000000);
#endif
// Setup peripherals
platform_setup_timers();
//platform_setup_pwm();
#ifdef BUILD_ADC
// Setup ADCs
platform_setup_adcs();
#endif
// Setup CANs
cans_init();
// Setup pin routing
platform_setup_pins();
// System timer setup
cmn_systimer_set_base_freq( lpc17xx_get_cpu_frequency() );
cmn_systimer_set_interrupt_freq( SYSTICKHZ );
// Enable SysTick
SysTick_Config( lpc17xx_get_cpu_frequency() / SYSTICKHZ );
// Common platform initialization code
cmn_platform_init();
return PLATFORM_OK;
}
int platform_init()
{
unsigned i;
TIM_InitTypeDef tim;
TIM_TypeDef* base;
// System configuration
platform_config_scu();
// PIO setup
for( i = 0; i < 10; i ++ )
GPIO_DeInit( ( GPIO_TypeDef* )port_data[ i ] );
// UART setup
platform_gpio_uart_setup();
// Initialize timers
for( i = 0; i < NUM_PHYS_TIMER; i ++ )
{
base = ( TIM_TypeDef* )str9_timer_data[ i ];
TIM_DeInit( base );
TIM_StructInit( &tim );
tim.TIM_Clock_Source = TIM_CLK_APB;
tim.TIM_Prescaler = 255;
TIM_Init( base, &tim );
TIM_CounterCmd( base, TIM_START );
}
cmn_platform_init();
#ifdef BUILD_ADC
// Setup ADCs
platform_setup_adcs();
#endif
#ifdef BUILD_CAN
// Setup CANs
cans_init();
#endif
// Initialize system timer
cmn_systimer_set_base_freq( 1000000 );
cmn_systimer_set_interrupt_freq( VTMR_FREQ_HZ );
platform_s_timer_set_match_int( VTMR_TIMER_ID, 1000000 / VTMR_FREQ_HZ, PLATFORM_TIMER_INT_CYCLIC );
return PLATFORM_OK;
}
int platform_init()
{
// Complete CPU initialization
platform_setup_cpu();
// External memory
platform_setup_extmem();
// Setup peripherals
platform_setup_timers();
platform_setup_pwm();
#ifdef BUILD_ADC
// Setup ADCs
platform_setup_adcs();
#endif
// Common platform initialization code
cmn_platform_init();
return PLATFORM_OK;
}
