diff options
Diffstat (limited to 'tests/adc-power/main-stm32f072-disco.c')
| -rw-r--r-- | tests/adc-power/main-stm32f072-disco.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tests/adc-power/main-stm32f072-disco.c b/tests/adc-power/main-stm32f072-disco.c new file mode 100644 index 0000000..4a960e1 --- /dev/null +++ b/tests/adc-power/main-stm32f072-disco.c @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2015 Karl Palsson <karlp@tweak.net.au> + */ + +#include <libopencm3/cm3/nvic.h> +#include <libopencm3/stm32/crs.h> +#include <libopencm3/stm32/gpio.h> +#include <libopencm3/stm32/rcc.h> +#include <libopencm3/stm32/usart.h> + +#include <stdio.h> +#include "adc-power.h" + +static +void setup_usart(void) +{ + uint32_t dev = USART1; + rcc_periph_clock_enable(RCC_USART1); + rcc_periph_clock_enable(RCC_GPIOA); + gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9); + gpio_set_af(GPIOA, GPIO_AF1, GPIO9); + + usart_set_baudrate(dev, 115200); + usart_set_databits(dev, 8); + usart_set_parity(dev, USART_PARITY_NONE); + usart_set_stopbits(dev, USART_CR2_STOP_1_0BIT); + usart_set_mode(dev, USART_MODE_TX); + usart_set_flow_control(dev, USART_FLOWCONTROL_NONE); + + /* Finally enable the USART. */ + usart_enable(dev); +} + +int main(void) +{ + int i; + rcc_clock_setup_in_hsi48_out_48mhz(); + setup_usart(); + + /* LED on for boot progress */ + rcc_periph_clock_enable(RCC_GPIOC); + gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO7); + gpio_set(GPIOC, GPIO7); + + printf("hi guys!\n"); + + rcc_periph_clock_enable(RCC_GPIOA); + gpio_mode_setup(GPIOA, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO1); + gpio_mode_setup(GPIOA, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO5); + adc_power_init(); + while (1) { + adc_power_task_up(); + gpio_toggle(GPIOC, GPIO7); + + for (i = 0; i < 0x100000; i++) { /* Wait a bit. */ + __asm__("NOP"); + } + printf("tick...\n"); + adc_power_task_down(); + gpio_toggle(GPIOC, GPIO7); + for (i = 0; i < 0x100000; i++) { /* Wait a bit. */ + __asm__("NOP"); + } + } + +} + |