Isolate usb-serial-rs485 tree

14 files changed, 0 insertions, 773 deletions

diff --git a/tests/uart-basic/Makefile.dut-stm32l073rz b/tests/uart-basic/Makefile.dut-stm32l073rz
deleted file mode 100644
index d8575d9..0000000
--- a/tests/uart-basic/Makefile.dut-stm32l073rz
+++ /dev/null
@@ -1,26 +0,0 @@
-# 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 = dut-stm32l073rz
-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%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3/
-
-### This section can go to an arch shared rules eventually...
-DEVICE=stm32l073rz
-#OOCD_INTERFACE = stlink-v2
-#OOCD_TARGET = stm32l0x
-OOCD_FILE = ../../openocd/openocd.$(BOARD).cfg
-
-include ../../rules.mk
diff --git a/tests/uart-basic/Makefile.stm32f072disco b/tests/uart-basic/Makefile.stm32f072disco
deleted file mode 100644
index c7fd490..0000000
--- a/tests/uart-basic/Makefile.stm32f072disco
+++ /dev/null
@@ -1,26 +0,0 @@
-# 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/Makefile.stm32f3-disco b/tests/uart-basic/Makefile.stm32f3-disco
deleted file mode 100644
index 2320af0..0000000
--- a/tests/uart-basic/Makefile.stm32f3-disco
+++ /dev/null
@@ -1,29 +0,0 @@
-# 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 = stm32f3-disco
-PROJECT = uart-basic-$(BOARD)
-BUILD_DIR = bin-$(BOARD)
-
-SHARED_DIR = ../../shared
-
-CFILES = main-$(BOARD).c
-CFILES += uart-basic.c
-# No trace, we're using the uart explicitly here, deliberately.
-# Perhaps later we'll use trace differently, or with different files
-#CFILES += trace.c trace_stdio.c
-
-VPATH += $(SHARED_DIR)
-
-INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3/
-
-### This section can go to an arch shared rules eventually...
-DEVICE=stm32f303vct6
-#OOCD_INTERFACE = stlink-v2
-#OOCD_TARGET = stm32f3x
-OOCD_FILE = ../../openocd/openocd.stm32f3-disco.cfg
-
-include ../../rules.mk
diff --git a/tests/uart-basic/Makefile.stm32f4-disco b/tests/uart-basic/Makefile.stm32f4-disco
deleted file mode 100644
index 40e2e1c..0000000
--- a/tests/uart-basic/Makefile.stm32f4-disco
+++ /dev/null
@@ -1,29 +0,0 @@
-# This is just a makefile.
-# Consider it released into the public domain, or, where not available,
-# available under your choice of BSD2clause, MIT, X11, ISC or Apache2 licenses
-# Karl Palsson <karlp@tweak.net.au>
-BOARD = stm32f4-disco
-PROJECT = uart-basic-$(BOARD)
-BUILD_DIR = bin-$(BOARD)
-
-SHARED_DIR = ../../shared
-
-CFILES = main-$(BOARD).c
-CFILES += uart-basic.c
-# No trace, we're using the uart explicitly here, deliberately.
-# Perhaps later we'll use trace differently, or with different files
-#CFILES += trace.c trace_stdio.c
-
-VPATH += $(SHARED_DIR)
-
-INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3/
-
-### This section can go to an arch shared rules eventually...
-DEVICE=stm32f405xg
-#OOCD_INTERFACE = stlink-v2
-#OOCD_TARGET = stm32f4x
-OOCD_FILE = ../../openocd/openocd.stm32f4-disco.cfg
-
-include ../../rules.mk
diff --git a/tests/uart-basic/Makefile.stm32l053disco b/tests/uart-basic/Makefile.stm32l053disco
deleted file mode 100644
index 5858eaf..0000000
--- a/tests/uart-basic/Makefile.stm32l053disco
+++ /dev/null
@@ -1,26 +0,0 @@
-# This is just a makefile.
-# Consider it released into the public domain, or, where not available,
-# available under your choice of BSD2clause, MIT, X11, ISC or Apache2 licenses
-# Karl Palsson <karlp@tweak.net.au>
-BOARD = stm32l053disco
-PROJECT = uart-basic-$(BOARD)
-BUILD_DIR = bin-$(BOARD)
-
-SHARED_DIR = ../../shared
-
-CFILES = main-$(BOARD).c
-CFILES += uart-basic.c
-
-VPATH += $(SHARED_DIR)
-
-INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3/
-
-### This section can go to an arch shared rules eventually...
-DEVICE=stm32l053c8
-#OOCD_INTERFACE = stlink-v2
-#OOCD_TARGET = stm32l0x
-OOCD_FILE = ../../openocd/openocd.$(BOARD).cfg
-
-include ../../rules.mk
diff --git a/tests/uart-basic/Makefile.stm32l476disco b/tests/uart-basic/Makefile.stm32l476disco
deleted file mode 100644
index 79b8ab7..0000000
--- a/tests/uart-basic/Makefile.stm32l476disco
+++ /dev/null
@@ -1,26 +0,0 @@
-# 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 = stm32l476disco
-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%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3/
-
-### This section can go to an arch shared rules eventually...
-DEVICE=stm32l476vgt6
-#OOCD_INTERFACE = stlink-v2-1
-#OOCD_TARGET = stm32l4x
-OOCD_FILE = ../../openocd/openocd.$(BOARD).cfg
-
-include ../../rules.mk
diff --git a/tests/uart-basic/main-dut-stm32l073rz.c b/tests/uart-basic/main-dut-stm32l073rz.c
deleted file mode 100644
index 17a68da..0000000
--- a/tests/uart-basic/main-dut-stm32l073rz.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * 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/crs.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/syscfg.h>
-#include <libopencm3/stm32/usart.h>
-
-#include "uart-basic.h"
-
-#define LED_NUC_RCC RCC_GPIOA
-#define LED_NUC_PORT GPIOA
-#define LED_NUC_PIN GPIO5
-
-void usart2_isr(void)
-{
-	ub_irq_handler();
-}
-
-static void setup_rcc_hack(void)
-{
-	/* FIXME L0 doesn't have rcc setup helpers (yet) */
-	rcc_osc_on(RCC_HSI16);
-	rcc_wait_for_osc_ready(RCC_HSI16);
-	rcc_set_sysclk_source(RCC_HSI16);
-
-	/* ok, we manually poked around, let the lib know */
-	rcc_apb1_frequency = rcc_apb2_frequency = 16e6;
-}
-
-static void board_init(void)
-{
-	rcc_periph_clock_enable(RCC_GPIOA);
-	gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2 | GPIO3);
-	/* usart is AF4 */
-	gpio_set_af(GPIOA, GPIO_AF4, GPIO2 | GPIO3);
-}
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	setup_rcc_hack();
-	board_init();
-	struct ub_hw ub = {
-		.uart = USART2,
-		.uart_nvic = NVIC_USART2_IRQ,
-		.uart_rcc = RCC_USART2,
-	};
-	ub_init(&ub);
-	printf("hi guys!\n");
-	/* green led for ticking */
-	rcc_periph_clock_enable(LED_NUC_RCC);
-	gpio_mode_setup(LED_NUC_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE,
-		LED_NUC_PIN);
-
-
-	while (1) {
-		gpio_toggle(LED_NUC_PORT, LED_NUC_PIN);
-
-		for (i = 0; i < 0x40000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-		ub_task();
-		gpio_toggle(LED_NUC_PORT, LED_NUC_PIN);
-		for (i = 0; i < 0x40000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-	}
-
-	return 0;
-}
diff --git a/tests/uart-basic/main-stm32f072disco.c b/tests/uart-basic/main-stm32f072disco.c
deleted file mode 100644
index fdd630e..0000000
--- a/tests/uart-basic/main-stm32f072disco.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * 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/main-stm32f3-disco.c b/tests/uart-basic/main-stm32f3-disco.c
deleted file mode 100644
index 94c6937..0000000
--- a/tests/uart-basic/main-stm32f3-disco.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * 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/flash.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/usart.h>
-
-#include "uart-basic.h"
-
-/* f3 pll setup, based on l1/f4*/
-
-typedef struct {
-	uint8_t pll_mul;
-	uint8_t pll_div;
-	uint8_t pll_source;
-	uint32_t flash_config;
-	uint8_t hpre;
-	uint8_t ppre1;
-	uint8_t ppre2;
-	uint32_t apb1_frequency;
-	uint32_t apb2_frequency;
-	uint32_t ahb_frequency;
-} rcc_clock_scale_t;
-
-static void rcc_clock_setup_pll_f3_special(const rcc_clock_scale_t *clock)
-{
-	/* Turn on the appropriate source for the PLL */
-	// TODO, some f3's have extra bits here
-	enum rcc_osc my_osc;
-	if (clock->pll_source == RCC_CFGR_PLLSRC_HSE_PREDIV) {
-		my_osc = RCC_HSE;
-	} else {
-		my_osc = RCC_HSI;
-	}
-	rcc_osc_on(my_osc);
-	while (!rcc_is_osc_ready(my_osc));
-
-	/* Configure flash settings. */
-	flash_set_ws(clock->flash_config);
-
-	/*
-	 * Set prescalers for AHB, ADC, ABP1, ABP2.
-	 * Do this before touching the PLL (TODO: why?).
-	 */
-	rcc_set_hpre(clock->hpre);
-	rcc_set_ppre1(clock->ppre1);
-	rcc_set_ppre2(clock->ppre2);
-
-	rcc_osc_off(RCC_PLL);
-	while (rcc_is_osc_ready(RCC_PLL));
-	rcc_set_pll_source(clock->pll_source);
-	rcc_set_pll_multiplier(clock->pll_mul);
-	// TODO - iff pll_div != 0, then maybe we're on a target that 
-	// has the dividers?
-
-	/* Enable PLL oscillator and wait for it to stabilize. */
-	rcc_osc_on(RCC_PLL);
-	while (!rcc_is_osc_ready(RCC_PLL));
-
-	/* Select PLL as SYSCLK source. */
-	rcc_set_sysclk_source(RCC_CFGR_SW_PLL);
-	rcc_wait_for_sysclk_status(RCC_PLL);
-
-	/* Set the peripheral clock frequencies used. */
-	rcc_ahb_frequency = clock->ahb_frequency;
-	rcc_apb1_frequency = clock->apb1_frequency;
-	rcc_apb2_frequency = clock->apb2_frequency;
-}
-
-static void setup_clocks(void)
-{
-	rcc_clock_scale_t clock_full_hse8mhz ={
-		.pll_mul = RCC_CFGR_PLLMUL_PLL_IN_CLK_X9,
-		.pll_source = RCC_CFGR_PLLSRC_HSE_PREDIV,
-		.hpre = RCC_CFGR_HPRE_DIV_NONE,
-		.ppre1 = RCC_CFGR_PPRE1_DIV_2,
-		.ppre2 = RCC_CFGR_PPRE2_DIV_NONE,
-		.flash_config = FLASH_ACR_PRFTBE | FLASH_ACR_LATENCY_2WS,
-		.apb1_frequency = 36000000,
-		.apb2_frequency = 72000000,
-		.ahb_frequency = 72000000,
-	};
-
-	rcc_clock_setup_pll_f3_special(&clock_full_hse8mhz);
-}
-
-void usart2_exti26_isr(void)
-{
-	ub_irq_handler();
-}
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	setup_clocks();
-	/* Board led */
-	rcc_periph_clock_enable(RCC_GPIOE);
-	gpio_mode_setup(GPIOE, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO8);
-	gpio_set(GPIOE, GPIO8);
-
-	/* board init for uart2 on pa2/3 */
-	rcc_periph_clock_enable(RCC_GPIOA);
-        gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2|GPIO3);
-	/* usart is AF7 */
-        gpio_set_af(GPIOA, GPIO_AF7, GPIO2|GPIO3);
-	
-	struct ub_hw ub = {
-		.uart = USART2,
-		.uart_nvic = NVIC_USART2_EXTI26_IRQ,
-		.uart_rcc = RCC_USART2,
-	};
-	ub_init(&ub);
-	printf("hi guys!\n");
-
-	while (1) {
-		gpio_toggle(GPIOE, GPIO8);
-
-		for (i = 0; i < 0x100000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-		ub_task();
-		gpio_toggle(GPIOE, GPIO8);
-		for (i = 0; i < 0x100000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-	}
-
-	return 0;
-}
diff --git a/tests/uart-basic/main-stm32f4-disco.c b/tests/uart-basic/main-stm32f4-disco.c
deleted file mode 100644
index 86d9b4a..0000000
--- a/tests/uart-basic/main-stm32f4-disco.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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_PORT GPIOD
-#define LED_DISCO_GREEN_PIN GPIO12
-
-void usart2_isr(void)
-{
-	ub_irq_handler();	
-}
-
-static void board_init(void) {
-	rcc_periph_clock_enable(RCC_GPIOA);
-        gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2|GPIO3);
-	/* usart is AF7 */
-        gpio_set_af(GPIOA, GPIO_AF7, GPIO2|GPIO3);
-}
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	rcc_clock_setup_hse_3v3(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_168MHZ]);
-	rcc_periph_clock_enable(RCC_GPIOD);
-	board_init();
-	struct ub_hw ub = {
-		.uart = USART2,
-		.uart_nvic = NVIC_USART2_IRQ,
-		.uart_rcc = RCC_USART2,
-	};
-	ub_init(&ub);
-	printf("hi guys!\n");
-	/* green led for ticking */
-	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 < 0x800000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-		ub_task();
-		gpio_toggle(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN);
-		for (i = 0; i < 0x800000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-	}
-
-	return 0;
-}
diff --git a/tests/uart-basic/main-stm32l053disco.c b/tests/uart-basic/main-stm32l053disco.c
deleted file mode 100644
index 8c97f1d..0000000
--- a/tests/uart-basic/main-stm32l053disco.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * 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/crs.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/syscfg.h>
-#include <libopencm3/stm32/usart.h>
-
-#include "uart-basic.h"
-
-#define LED_DISCO_GREEN_RCC RCC_GPIOB
-#define LED_DISCO_GREEN_PORT GPIOB
-#define LED_DISCO_GREEN_PIN GPIO4
-
-void usart1_isr(void)
-{
-	ub_irq_handler();
-}
-
-static void setup_rcc_hack(void)
-{
-	/* FIXME L0 doesn't have rcc setup helpers (yet) */
-	rcc_osc_on(RCC_HSI16);
-	rcc_wait_for_osc_ready(RCC_HSI16);
-	rcc_set_sysclk_source(RCC_HSI16);
-
-	/* ok, we manually poked around, let the lib know */
-	rcc_apb1_frequency = rcc_apb2_frequency = 16e6;
-}
-
-static void board_init(void)
-{
-	rcc_periph_clock_enable(RCC_GPIOA);
-	gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9 | GPIO10);
-	/* usart1 is AF4 */
-	gpio_set_af(GPIOA, GPIO_AF4, GPIO9 | GPIO10);
-}
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	setup_rcc_hack();
-	board_init();
-	struct ub_hw ub = {
-		.uart = USART1,
-		.uart_nvic = NVIC_USART1_IRQ,
-		.uart_rcc = RCC_USART1,
-	};
-	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 < 0x40000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-		ub_task();
-		gpio_toggle(LED_DISCO_GREEN_PORT, LED_DISCO_GREEN_PIN);
-		for (i = 0; i < 0x40000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-	}
-
-	return 0;
-}
diff --git a/tests/uart-basic/main-stm32l476disco.c b/tests/uart-basic/main-stm32l476disco.c
deleted file mode 100644
index 82c98f0..0000000
--- a/tests/uart-basic/main-stm32l476disco.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * 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/flash.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/pwr.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/usart.h>
-
-#include "uart-basic.h"
-
-#define LED_DISCO_GREEN_RCC RCC_GPIOE
-#define LED_DISCO_GREEN_PORT GPIOE
-#define LED_DISCO_GREEN_PIN GPIO8
-
-void usart2_isr(void)
-{
-	ub_irq_handler();
-}
-
-static void setup_rcc_hack(void)
-{
-	pwr_set_vos_scale(PWR_SCALE1);
-	flash_set_ws(FLASH_ACR_LATENCY_2WS);
-	rcc_set_msi_range(RCC_CR_MSIRANGE_48MHZ);
-
-	/* ok, we manually poked around, let the lib know */
-	rcc_apb1_frequency = rcc_apb2_frequency = 48e6;
-}
-
-static void board_init(void)
-{
-	rcc_periph_clock_enable(RCC_GPIOD);
-	gpio_mode_setup(GPIOD, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO5 | GPIO6);
-	/* usart2 is AF7 */
-	gpio_set_af(GPIOD, GPIO_AF7, GPIO5 | GPIO6);
-}
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	setup_rcc_hack();
-	board_init();
-	struct ub_hw ub = {
-		.uart = USART2,
-		.uart_nvic = NVIC_USART2_IRQ,
-		.uart_rcc = RCC_USART2,
-	};
-	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
deleted file mode 100644
index 8c5124c..0000000
--- a/tests/uart-basic/uart-basic.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Karl Palsson <karlp@tweak.net.au> Oct 2017
- * Considered to be available under your choice of:
- * BSD2 clause, Apache2, MIT, X11 or ISC licenses
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <libopencm3/cm3/nvic.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/usart.h>
-#include "uart-basic.h"
-
-/* prototype to make linking happy */
-int _write(int file, char *ptr, int len);
-
-static struct ub_hw *ub;
-static uint8_t last_rxb;
-
-/* Implement _write for newlib to use printf */
-int _write(int file, char *ptr, int len)
-{
-	int i;
-
-	if (file == STDOUT_FILENO || file == STDERR_FILENO) {
-		for (i = 0; i < len; i++) {
-			if (ptr[i] == '\n') {
-				usart_send_blocking(ub->uart, '\r');
-			}
-			usart_send_blocking(ub->uart, ptr[i]);
-		}
-		return i;
-	}
-	errno = EIO;
-	return -1;
-}
-
-void ub_init(struct ub_hw *ub_input)
-{
-	ub = ub_input;
-	rcc_periph_clock_enable(ub->uart_rcc);
-
-	usart_set_baudrate(ub->uart, 115200);
-	usart_set_databits(ub->uart, 9);
-	usart_set_stopbits(ub->uart, USART_STOPBITS_1);
-	usart_set_mode(ub->uart, USART_MODE_TX_RX);
-	usart_set_parity(ub->uart, USART_PARITY_EVEN);
-	usart_set_flow_control(ub->uart, USART_FLOWCONTROL_NONE);
-
-	usart_enable_rx_interrupt(ub->uart);
-	nvic_enable_irq(ub->uart_nvic);
-	usart_enable(ub->uart);
-}
-
-void ub_task(void)
-{
-	if (last_rxb) {
-		printf("Last rx char was: <%c>\n", last_rxb);
-		last_rxb = 0;
-	} else {
-		printf("enter a character!\n");
-	}
-}
-
-void ub_irq_handler(void)
-{
-	if (usart_get_flag(ub->uart, USART_FLAG_RXNE)) {
-		last_rxb = usart_recv(ub->uart);
-	}
-}
diff --git a/tests/uart-basic/uart-basic.h b/tests/uart-basic/uart-basic.h
deleted file mode 100644
index 8e3b8f6..0000000
--- a/tests/uart-basic/uart-basic.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Karl Palsson <karlp@tweak.net.au> Oct 2017
- * Considered to be available under your choice of:
- * BSD2 clause, Apache2, MIT, X11 or ISC licenses
- */
-
-#pragma once
-
-#include <stdint.h>
-#include <libopencm3/stm32/usart.h>
-
-struct ub_hw {
-	/** usart itself, eg USART2 */
-	uint32_t uart;
-	/** RCC_xxx flag for this usart, eg RCC_USART2 */
-	uint32_t uart_rcc;
-	/** eg NVIC_USART2_IRQ */
-	uint32_t uart_nvic;
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * Initialise the uart itself.
- * gpios are required to have been already configured as needed
- * @param ub
- */
-void ub_init(struct ub_hw *ub);
-
-/**
- * Call this, it will "do stuff"
- */
-void ub_task(void);
-
-/**
- * Call this from your board irq handler, it will "do the right thing"
- */
-void ub_irq_handler(void);
-
-#ifdef __cplusplus
-}
-#endif