uart-basic: add f0, requires newest code too

stupid f072 disco doesn't have usart2 available

1 files changed, 64 insertions, 0 deletions

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;
+}