/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f2xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f2xx.c file
*/
/* Preconfiguration before using DAC----------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
/* DMA1 clock and GPIOA clock enable (to be used with DAC) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1 | RCC_AHB1Periph_GPIOA, ENABLE);
/* DAC Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
/* DAC channel 1 & 2 (DAC_OUT1 = PA.4)(DAC_OUT2 = PA.5) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* TIM6 Configuration ------------------------------------------------------*/
TIM6_Config();
/* Configures Key Button */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_EXTI);
while (1)
{
/* If the Key is pressed */
if (KeyPressed != RESET)
{
DAC_DeInit();
/* select waves forms according to the Key Button status */
if (SelectedWavesForm == 1)
{
/* The sine wave and the escalator wave has been selected */
/* Escalator Wave generator ------------------------------------------*/
DAC_Ch1_EscalatorConfig();
/* Sine Wave generator -----------------------------------------------*/
DAC_Ch2_SineWaveConfig();
}
else
{
/* The triangle wave and the noise wave has been selected */
/* Noise Wave generator ----------------------------------------------*/
DAC_Ch1_NoiseConfig();
/* Triangle Wave generator -------------------------------------------*/
DAC_Ch2_TriangleConfig();
}
KeyPressed = RESET;
}
}
}
void main(void)
{
int32_t t_spread;
uint32_t i;
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x8000);
LED_ON(LED_RING_OE); //actually turns the LED ring off
LEDDriver_Init(5);
for (i=0;i<26;i++) LEDDriver_setRGBLED(i,0);
LED_OFF(LED_RING_OE); //actually turns the LED ring on
flag_update_LED_ring=1;
init_inouts();
init_rotary();
init_envout_pwm();
ADC1_Init((uint16_t *)adc_buffer);
ADC3_Init((uint16_t *)potadc_buffer);
Codec_Init(SAMPLERATE);
delay();
set_default_param_values();
set_default_color_scheme();
set_default_user_scalebank();
//overwrite default parameters if a startup bank exists
cur_param_bank = load_startup_params();
if (cur_param_bank == 0xFF){
factory_reset();
cur_param_bank=0;
}
I2S_Block_Init();
TIM6_Config();
DAC_Ch1_NoiseConfig();
spread=(adc_buffer[SPREAD_ADC] >> 8) + 1;
I2S_Block_PlayRec();
//update_spread(1);
while(1){
check_errors();
param_read_switches();
update_ENVOUT_PWM();
update_LED_ring();
update_lock_leds();
t_spread=read_spread();
if (t_spread!=-1) update_spread(t_spread);
process_lock_jacks();
process_lock_buttons();
param_read_q();
param_read_freq_nudge();
param_read_channel_level();
process_rotary_button();
process_rotary_rotation();
if (ui_mode==PLAY)
check_rotary_pressed_repeatedly();
if (ui_mode==EDIT_SCALES)
handle_edit_scale();
if (ui_mode==EDIT_COLORS)
handle_edit_colors();
if (ui_mode==SELECT_PARAMS){
handle_freqpot_changing_filtermode();
handle_slider_changing_clipmode();
}
if (do_ROTUP){
do_ROTUP=0;
rotate_up();
}
if (do_ROTDOWN){
do_ROTDOWN=0;
rotate_down();
}
process_rotateCV();
process_scaleCV();
} //end main loop
} //end main()
