/* idx indicate Timer0L, Timer0H, Timer1L,Timer1H*/
void start_timer(uint8_t idx)
{
uint8_t ep = (idx + 1) | 0x80;
circular_buffer_pools_t * cb_in = circular_buffer_pointer(ep);
uint16_t timer_reload = circular_buffer_timer_reload(cb_in);
switch(idx)
{
case 0:
// Set Next Timer Reload to finish transfer after there is room in FIFO
SI32_TIMER_A_set_low_count (SI32_TIMER_0, timer_reload);
SI32_TIMER_A_set_low_reload (SI32_TIMER_0, timer_reload);
SI32_TIMER_A_start_low_timer (SI32_TIMER_0);
break;
case 1:
// Set Next Timer Reload to finish transfer after there is room in FIFO
SI32_TIMER_A_set_high_count (SI32_TIMER_0, timer_reload);
SI32_TIMER_A_set_high_reload (SI32_TIMER_0, timer_reload);
SI32_TIMER_A_start_high_timer (SI32_TIMER_0);
break;
case 2:
// Set Next Timer Reload to finish transfer after there is room in FIFO
SI32_TIMER_A_set_low_count (SI32_TIMER_1, timer_reload);
SI32_TIMER_A_set_low_reload (SI32_TIMER_1, timer_reload);
SI32_TIMER_A_start_low_timer (SI32_TIMER_1);
break;
case 3:
// Set Next Timer Reload to finish transfer after there is room in FIFO
SI32_TIMER_A_set_high_count (SI32_TIMER_1, timer_reload);
SI32_TIMER_A_set_high_reload (SI32_TIMER_1,timer_reload);
SI32_TIMER_A_start_high_timer (SI32_TIMER_1);
break;
}
}
void wave_125k_init(void)
{
SI32_TIMER_A_Type* SI32_TIMER = SI32_TIMER_1;
uint16_t reload_value = get_wave_reload_value(WAVE_125K);
SI32_CLKCTRL_A_enable_apb_to_modules_0(SI32_CLKCTRL_0, SI32_CLKCTRL_A_APBCLKG0_TIMER1);
SI32_TIMER_A_select_square_wave_output_mode(SI32_TIMER);
SI32_TIMER_A_disable_high_overflow_interrupt(SI32_TIMER);
SI32_TIMER_A_disable_high_extra_interrupt(SI32_TIMER);
SI32_TIMER_A_enable_stall_in_debug_mode(SI32_TIMER);
SI32_TIMER_A_select_high_clock_source_apb_clock(SI32_TIMER);
SI32_TIMER_A_select_split_timer_mode(SI32_TIMER);
SI32_TIMER_A_set_high_count(SI32_TIMER,reload_value);
SI32_TIMER_A_set_high_reload(SI32_TIMER,reload_value);
SI32_TIMER_A_clear_high_overflow_interrupt(SI32_TIMER);
SI32_PBCFG_A_enable_xbar0_peripherals(SI32_PBCFG_0, SI32_PBCFG_A_XBAR0_TMR1EXEN);
SI32_PBSTD_A_set_pins_push_pull_output(SI32_PBSTD_0, 0x0100);
}
