static void clock_setup(void)
{
/* Enable GPIOG clock for LED & USARTs. */
rcc_periph_clock_enable(RCC_GPIOG);
rcc_periph_clock_enable(RCC_GPIOB);
/* Enable clocks for USART1. */
rcc_periph_clock_enable(RCC_USART3);
}
void i2c_led_platform_init(void)
{
// Enable I2C2
rcc_periph_clock_enable(RCC_I2C2);
rcc_periph_clock_enable(RCC_DMA1);
// Setup I2C port
setup_i2c_port(I2C_400KHz);
}
static void clock_setup(void)
{
/* Enable GPIOD clock for LED & USARTs. */
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOA);
/* Enable clocks for USART2. */
rcc_periph_clock_enable(RCC_USART2);
}
/* Set STM32 to 168 MHz. */
static void clock_setup(void)
{
rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_168MHZ]);
/* Enable GPIOD, GPIOG, and GPIOK clock. */
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOG);
rcc_periph_clock_enable(RCC_GPIOK);
}
/*--------------------------------------------------------------------------*/
static void clock_setup(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/* Enable GPIOA, GPIOB, GPIOC clock. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
}
/*--------------------------------------------------------------------*/
void gpio_setup(void)
{
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_AFIO);
/* Digital Test outputs PC0 and PC1 */
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO0 | GPIO1);
}
static void rcc_setup(void)
{
rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_120MHZ]);
/* Enable GPIOD clock for onboard leds. */
rcc_periph_clock_enable(RCC_GPIOD);
/* Enable rng clock */
rcc_periph_clock_enable(RCC_RNG);
}
void disconnect_usb(void)
{
/* Disconnect USB cable by resetting USB Device and pulling USB_DP low*/
rcc_periph_reset_pulse(RST_USB);
rcc_periph_clock_enable(RCC_USB);
rcc_periph_clock_enable(RCC_GPIOA);
gpio_clear(GPIOA, GPIO12);
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_OPENDRAIN, GPIO12);
}
static void gpio_setup(void)
{
/* Enable GPIOB clock. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
/* set pins to output mode, push pull */
gpio_mode_setup(LED_RED_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_RED_PIN);
gpio_mode_setup(LED_GREEN_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_GREEN_PIN);
}
/* Set STM32 to 72 MHz. */
static void clock_setup(void)
{
rcc_clock_setup_in_hse_12mhz_out_72mhz();
/* Enable GPIOA, GPIOB, GPIOC, and AFIO clocks. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_AFIO);
}
void usb_tmc_setup_pre_arch(void)
{
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(USB_RCC);
/* Not sure if we need 9 for ID or even if we need this at all */
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
}
static void gpio_setup(void)
{
rcc_periph_clock_enable(RCC_GPIOE);
rcc_periph_clock_enable(RCC_GPIOA);
gpio_mode_setup(GPIOE, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
GPIO8 | GPIO9 | GPIO10 | GPIO11 | GPIO12 | GPIO13 |
GPIO14 | GPIO15);
gpio_mode_setup(GPIOE, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP, GPIO0); //ADC_EOC
}
static void gpio_setup(void)
{
rcc_periph_clock_enable(RCC_GPIOE);
rcc_periph_clock_enable(RCC_GPIOD); //timer
gpio_set_af(GPIOD, GPIO_AF2, GPIO2); //timer
gpio_mode_setup(GPIOE, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
GPIO8 | GPIO9 | GPIO10 | GPIO11 | GPIO12 | GPIO13 |
GPIO14 | GPIO15);
gpio_mode_setup(GPIOD, GPIO_MODE_AF, GPIO_PUPD_PULLUP,
GPIO2); //timer
}
/*--------------------------------------------------------------------*/
static void gpio_setup(void)
{
/* Port A and C are on AHB1 */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOC);
/* Set the digital test output on PC1 */
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO1);
gpio_set_output_options(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_2MHZ, GPIO1);
/* Set PA4 for DAC channel 1 to analogue, ignoring drive mode. */
gpio_mode_setup(GPIOA, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO4);
}
static void clock_setup(void) {
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/* Enable GPIOC clock (for LED GPIOs). */
rcc_periph_clock_enable(RCC_GPIOC);
/* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_AFIO);
rcc_periph_clock_enable(RCC_USART1);
}
int main(void)
{
double flash_rate = 3.14159;
char buf[128];
uint32_t done_time;
/* ../util/retarget.c has automatically set up the clock rate, systick
* and made the virtual COM port on the board into the "console" or
* standard output and input.
*
* When the output is sent to standard error, it is highlighted in a
* different color (if you have a color xterm)
*/
fprintf(stderr, "\nSTM32F469-Discovery : ");
printf("Retargeting LIBC example.\n");
/* This is the LED on the board */
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOG);
rcc_periph_clock_enable(RCC_GPIOK);
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO5 | GPIO4);
gpio_mode_setup(GPIOG, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO6);
gpio_mode_setup(GPIOK, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO3);
led_state = 0; /* useful when restarting in gdb */
/* You can create a running dialog with the console */
printf("We're going to start blinking the LED, between 0 and 300 times per\n");
printf("second.\n");
while (1) {
printf("Please enter a flash rate: ");
fflush(stdout);
fgets(buf, 128, stdin);
buf[strlen(buf) - 1] = '\0';
flash_rate = atof(buf);
if (flash_rate == 0) {
printf("Was expecting a number greater than 0 and less than 300.\n");
printf("but got '%s' instead\n", buf);
} else if (flash_rate > 300.0) {
printf("The number should be less than 300.\n");
} else {
break;
}
}
/* MS per flash */
done_time = (int) (500 / flash_rate);
printf("\nThe closest we can come will be %f flashes per second\n", 500.0 / done_time);
printf("With %d MS between states\n", (int) done_time);
printf("Press ^C to restart this demo.\n");
while (1) {
msleep(done_time);
rotate_leds();
}
}
void msc_target_init(void)
{
rcc_clock_setup_hse_3v3(&rcc_hse_25mhz_3v3);
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_OTGFS);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
}
static void clock_setup(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
/* Enable TIM1 clock. */
rcc_periph_clock_enable(RCC_TIM1);
/* Enable GPIOC, Alternate Function clocks. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_AFIO);
}
static void usb_setup(void)
{
/* Enable clocks for GPIO port A (for GPIO_USART2_TX) and USART2. */
rcc_usb_prescale_1();
rcc_periph_clock_enable(RCC_USB);
rcc_periph_clock_enable(RCC_GPIOA);
/* Setup GPIO pin GPIO_USART2_TX/GPIO9 on GPIO port A for transmit. */
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF14, GPIO11| GPIO12);
}
static void clock_setup(void)
{
// Set STM32 to 168 MHz
rcc_clock_setup_hse_3v3(&hse_25mhz_3v3[CLOCK_3V3_168MHZ]);
// Enable GPIO clock
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_GPIOD);
}
void dac_init(void)
{
rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_120MHZ]); //nastaveni globalnich hodin
rcc_periph_clock_enable(RCC_GPIOA); //pusteni hodin pro port A
rcc_periph_clock_enable(RCC_DAC); //pusteni hodin pro DAC
gpio_mode_setup(GPIOA, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO4); //pin4 portu A nako analogovy bez pullu/pulldown
dac_disable(CHANNEL_1); //zakazani kanalu 1 DAC
dac_disable_waveform_generation(CHANNEL_1); //bastaveni generovani signalu na kanalu 1 DAC
dac_enable(CHANNEL_1); //Povoleni DAC na kanalu 1
dac_set_trigger_source(DAC_CR_TSEL1_SW); //Triger kanalu 1 nastaven na softwarovy
}
static void clock_setup(void)
{
/* Enable high-speed clock at 120MHz */
rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_120MHZ]);
/* Enable GPIOD clock for LED & USARTs. */
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOA);
/* Enable clocks for USART2. */
rcc_periph_clock_enable(RCC_USART2);
}
/* set STM32 to clock by 48MHz from HSI oscillator */
static void clock_setup(void)
{
rcc_clock_setup_in_hsi_out_48mhz();
/* Enable clocks to the GPIO subsystems */
//rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_USART1);
rcc_periph_clock_enable(RCC_TIM3);
rcc_periph_clock_enable(RCC_SPI1);
}
static void clock_setup(void)
{
rcc_clock_setup_in_hsi_out_24mhz();
/* Enable clocks for USART2 and DAC*/
rcc_periph_clock_enable(RCC_USART2);
rcc_periph_clock_enable(RCC_DAC);
/* and the ADC and IO ports */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_ADC1);
}
/*******************************************
* Set up GPIO
*/
static void gpio_setup(void)
{
// Enable GPIO clocks
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOA);
//rcc_periph_clock_enable(RCC_AFIO);
// Set pin modes:
// LED
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO1);
}
static void gpio_setup(void)
{
/* Enable GPIO clocks. */
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOC);
/* Setup the LEDs. */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
}
static void gpio_setup(void)
{
/* Enable clocks. */
rcc_periph_clock_enable(LED_RCC_GPIO);
rcc_periph_clock_enable(BUTTON_RCC_GPIO);
/* Set the LED pin to 'output push-pull'. */
gpio_mode_setup(LED_GPIO, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, LED_PIN);
/* Set the button pin to 'input' (external pull-down). */
gpio_mode_setup(BUTTON_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_NONE, BUTTON_PIN);
}
static void gpio_setup(void)
{
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOA);
gpio_mode_setup(GPIOB, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO9);
return;
}
static void can_setup(void) {
/* Enable peripheral clocks */
rcc_periph_clock_enable(RCC_AFIO);
rcc_periph_clock_enable(RCC_CAN1);
AFIO_MAPR |= AFIO_MAPR_CAN1_REMAP_PORTB;
/* Configure CAN pin: RX (input pull-up) */
gpio_set_mode(GPIO_BANK_CAN1_PB_RX, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO_CAN1_PB_RX);
gpio_set(GPIO_BANK_CAN1_PB_RX, GPIO_CAN1_PB_RX);
/* Configure CAN pin: TX */
gpio_set_mode(GPIO_BANK_CAN1_PB_TX, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_CAN1_PB_TX);
/* NVIC setup */
nvic_enable_irq(NVIC_USB_LP_CAN_RX0_IRQ);
nvic_set_priority(NVIC_USB_LP_CAN_RX0_IRQ, 1);
/* Reset CAN */
can_reset(CAN1);
/* CAN cell init.
* Setting the bitrate to 250kHz. APB1 = 36MHz,
* prescaler = 9 -> 4MHz time quanta frequency.
* 1tq sync + 9tq bit segment1 (TS1) + 6tq bit segment2 (TS2) =
* 16time quanto per bit period, therefor 4MHz/16 = 250kHz
*/
if (can_init(CAN1, false, /* TTCM: Time triggered comm mode? */
true, /* ABOM: Automatic bus-off management? */
false, /* AWUM: Automatic wakeup mode? */
false, /* NART: No automatic retransmission? */
false, /* RFLM: Receive FIFO locked mode? */
false, /* TXFP: Transmit FIFO priority? */
CAN_BTR_SJW_1TQ, CAN_BTR_TS1_9TQ, CAN_BTR_TS2_6TQ, 9, false, false)) {
gpio_clear(GPIOC, GPIO13); /* LED green on */
/* Die because we failed to initialize. */
while (1)
__asm__("nop");
}
/* CAN filter 0 init. */
can_filter_id_mask_32bit_init(CAN1, 0, /* Filter ID */
0, /* CAN ID */
0, /* CAN ID mask */
0, /* FIFO assignment (here: FIFO0) */
true); /* Enable the filter. */
/* Enable CAN RX interrupt. */
can_enable_irq(CAN1, CAN_IER_FMPIE0);
}
/*--------------------------------------------------------------------*/
void gpio_setup(void)
{
/* Clocks on AHB1 for GPIO D (LEDs) and C (monitor) */
rcc_periph_clock_enable(RCC_GPIOD);
rcc_periph_clock_enable(RCC_GPIOC);
/* Digital Test output PC1 */
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO0 | GPIO1);
gpio_set_output_options(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_2MHZ, GPIO0 | GPIO1);
/* GPIO LED ports */
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
GPIO12 | GPIO13 | GPIO14 | GPIO15);
gpio_set_output_options(GPIOD, GPIO_OTYPE_PP, GPIO_OSPEED_2MHZ,
GPIO12 | GPIO13 | GPIO14 | GPIO15);
}
