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-rw-r--r--tests/uart-basic/Makefile.stm32f072disco26
-rw-r--r--tests/uart-basic/main-stm32f072disco.c64
-rw-r--r--tests/uart-basic/uart-basic.c2
3 files changed, 91 insertions, 1 deletions
diff --git a/tests/uart-basic/Makefile.stm32f072disco b/tests/uart-basic/Makefile.stm32f072disco
new file mode 100644
index 0000000..c7fd490
--- /dev/null
+++ b/tests/uart-basic/Makefile.stm32f072disco
@@ -0,0 +1,26 @@
+# This is just a makefile.
+# Consider it released into the public domain, or, where not available,
+# available under your choice of BSD2clause, MIT, X11, ISC or Apache2 licenses
+# Karl Palsson <karlp@tweak.net.au>
+BOARD = stm32f072disco
+PROJECT = uart-basic-$(BOARD)
+BUILD_DIR = bin-$(BOARD)
+
+SHARED_DIR = ../../shared
+
+CFILES = main-$(BOARD).c
+CFILES += uart-basic.c
+
+VPATH += $(SHARED_DIR)
+
+INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
+
+OPENCM3_DIR=../../libopencm3/
+
+### This section can go to an arch shared rules eventually...
+DEVICE=stm32f072rb
+#OOCD_INTERFACE = stlink-v2
+#OOCD_TARGET = stm32f0x
+OOCD_FILE = ../../openocd/openocd.$(BOARD).cfg
+
+include ../../rules.mk
diff --git a/tests/uart-basic/main-stm32f072disco.c b/tests/uart-basic/main-stm32f072disco.c
new file mode 100644
index 0000000..fdd630e
--- /dev/null
+++ b/tests/uart-basic/main-stm32f072disco.c
@@ -0,0 +1,64 @@
+/*
+ * Oct 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/usart.h>
+
+#include "uart-basic.h"
+
+#define LED_DISCO_GREEN_RCC RCC_GPIOC
+#define LED_DISCO_GREEN_PORT GPIOC
+#define LED_DISCO_GREEN_PIN GPIO9
+
+void usart3_4_isr(void)
+{
+ ub_irq_handler();
+}
+
+static void board_init(void) {
+ rcc_periph_clock_enable(RCC_GPIOB);
+ gpio_mode_setup(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO10|GPIO11);
+ /* usart3 is AF4 */
+ gpio_set_af(GPIOB, GPIO_AF4, GPIO10|GPIO11);
+}
+
+int main(void)
+{
+ int i;
+ int j = 0;
+ rcc_clock_setup_in_hsi48_out_48mhz();
+ board_init();
+ struct ub_hw ub = {
+ .uart = USART3,
+ .uart_nvic = NVIC_USART3_4_IRQ,
+ .uart_rcc = RCC_USART3,
+ };
+ ub_init(&ub);
+ printf("hi guys!\n");
+ /* green led for ticking */
+ rcc_periph_clock_enable(LED_DISCO_GREEN_RCC);
+ gpio_mode_setup(LED_DISCO_GREEN_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
+ LED_DISCO_GREEN_PIN);
+
+
+ while (1) {
+ gpio_toggle(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN);
+
+ for (i = 0; i < 0xa0000; i++) { /* Wait a bit. */
+ __asm__("NOP");
+ }
+ ub_task();
+ gpio_toggle(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN);
+ for (i = 0; i < 0xa0000; i++) { /* Wait a bit. */
+ __asm__("NOP");
+ }
+ }
+
+ return 0;
+}
diff --git a/tests/uart-basic/uart-basic.c b/tests/uart-basic/uart-basic.c
index 4dae0e1..8c5124c 100644
--- a/tests/uart-basic/uart-basic.c
+++ b/tests/uart-basic/uart-basic.c
@@ -65,7 +65,7 @@ void ub_task(void)
void ub_irq_handler(void)
{
- if (usart_get_flag(ub->uart, USART_SR_RXNE)) {
+ if (usart_get_flag(ub->uart, USART_FLAG_RXNE)) {
last_rxb = usart_recv(ub->uart);
}
}