diff options
Diffstat (limited to 'tests/spi-master/main-dut-stm32l073rz.c')
| -rw-r--r-- | tests/spi-master/main-dut-stm32l073rz.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/tests/spi-master/main-dut-stm32l073rz.c b/tests/spi-master/main-dut-stm32l073rz.c deleted file mode 100644 index 058d841..0000000 --- a/tests/spi-master/main-dut-stm32l073rz.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * March 2017 Karl Palsson <karlp@tweak.net.au> - */ - -#include <errno.h> -#include <stdio.h> -#include <unistd.h> -#include <libopencm3/cm3/nvic.h> -#include <libopencm3/stm32/gpio.h> -#include <libopencm3/stm32/rcc.h> -#include <libopencm3/stm32/spi.h> -#include <libopencm3/stm32/usart.h> - -#include "hw.h" - -#define LED_DISCO_GREEN_PORT GPIOB // actually cs -#define LED_DISCO_GREEN_PIN GPIO6 - - -struct hw_detail hw_details = { - .periph = SPI1, - .periph_rcc = RCC_SPI1, - .periph_rst = RST_SPI1, - .pins = GPIO5| GPIO6 | GPIO7, /* SPI pins for setting AF with */ - .port = GPIOA, - .port_rcc = RCC_GPIOA, - .trigger_rcc = RCC_GPIOB, - .trigger_port = GPIOB, - .trigger_pin = GPIO8, // pb6 is d7 on the LA -}; - - -/* provided in board files please*/ -/** - * Setup any gpios or anything hardware specific. - * Should _only_ be things that can't be done in shared init() - */ -static void hw_init(void) -{ - /* trigger pin gpio */ - rcc_periph_clock_enable(hw_details.trigger_rcc); - gpio_mode_setup(hw_details.trigger_port, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, hw_details.trigger_pin); - - /* spi control lines */ - rcc_periph_clock_enable(hw_details.port_rcc); - gpio_mode_setup(hw_details.port, GPIO_MODE_AF, GPIO_PUPD_NONE, hw_details.pins); - gpio_set_output_options(hw_details.port, GPIO_OTYPE_PP, GPIO_OSPEED_MED, hw_details.pins); - gpio_set_af(hw_details.port, GPIO_AF0, hw_details.pins); -} - -static void test_init(void) -{ - /* Setup SPI parameters. */ - rcc_periph_clock_enable(hw_details.periph_rcc); - spi_init_master(hw_details.periph, SPI_CR1_BAUDRATE_FPCLK_DIV_32, SPI_CR1_CPOL_CLK_TO_0_WHEN_IDLE, - SPI_CR1_CPHA_CLK_TRANSITION_1, SPI_CR1_DFF_8BIT, SPI_CR1_MSBFIRST); - /* Ignore the stupid NSS pin. */ - spi_enable_software_slave_management(hw_details.periph); - spi_set_nss_high(hw_details.periph); - - /* Finally enable the SPI. */ - spi_enable(hw_details.periph); -} - -static void test_task(void) { - static int i = 0; - printf("DUT iter %d\n", i++); - gpio_set(hw_details.trigger_port, hw_details.trigger_pin); - gpio_clear(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN); - spi_xfer(hw_details.periph, 0xaa); - spi_xfer(hw_details.periph, 0x42); - spi_xfer(hw_details.periph, 0x69); - gpio_set(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN); - gpio_clear(hw_details.trigger_port, hw_details.trigger_pin); -} - -static -void setup_usart(void) -{ - uint32_t dev = USART2; - rcc_periph_clock_enable(RCC_USART2); - rcc_periph_clock_enable(RCC_GPIOA); - gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2|GPIO3); - gpio_set_af(GPIOA, GPIO_AF4, GPIO2|GPIO3); - - usart_set_baudrate(dev, 115200); - usart_set_databits(dev, 8); - usart_set_parity(dev, USART_PARITY_NONE); - usart_set_stopbits(dev, USART_STOPBITS_1); - usart_set_mode(dev, USART_MODE_TX_RX); - usart_set_flow_control(dev, USART_FLOWCONTROL_NONE); - - /* Finally enable the USART. */ - usart_enable(dev); -} - - -static void setup(void) -{ - setup_usart(); - printf("hi guys!\n"); - hw_init(); - test_init(); -} - - -int main(void) -{ - const struct rcc_clock_scale myclock = { - .pll_source = RCC_CFGR_PLLSRC_HSI16_CLK, - .pll_mul = RCC_CFGR_PLLMUL_MUL4, - .pll_div = RCC_CFGR_PLLDIV_DIV2, - .hpre = RCC_CFGR_HPRE_NODIV, - .ppre1 = RCC_CFGR_PPRE1_NODIV, - .ppre2 = RCC_CFGR_PPRE2_NODIV, - .voltage_scale = PWR_SCALE1, - .flash_waitstates = 1, - .ahb_frequency = 32e6, - .apb1_frequency = 32e6, - .apb2_frequency = 32e6, - }; - int i, j; - rcc_clock_setup_pll(&myclock); - rcc_periph_clock_enable(RCC_SYSCFG); - - /* green led for ticking */ - rcc_periph_clock_enable(RCC_GPIOB); - gpio_mode_setup(LED_DISCO_GREEN_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, LED_DISCO_GREEN_PIN); - gpio_set(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN); - setup(); - - while (1) { - test_task(); - //gpio_toggle(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN); - for (i = 0; i < 0x80000; i++) { /* Wait a bit. */ - __asm__("NOP"); - } - } - return 0; -} |