Isolate usb-serial-rs485 tree

5 files changed, 0 insertions, 293 deletions

diff --git a/tests/awd-timer-dma/Makefile.stm32l1-generic b/tests/awd-timer-dma/Makefile.stm32l1-generic
deleted file mode 100644
index 1ccdd67..0000000
--- a/tests/awd-timer-dma/Makefile.stm32l1-generic
+++ /dev/null
@@ -1,18 +0,0 @@
-BOARD = stm32l1-generic
-PROJECT = awd-timer-dma-$(BOARD)
-BUILD_DIR = bin-$(BOARD)
-
-SHARED_DIR = ../../shared
-
-CFILES = main-$(BOARD).c
-CFILES += awd-timer-dma.c
-CFILES += trace.c trace_stdio.c
-
-VPATH += $(SHARED_DIR)
-
-INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
-
-OPENCM3_DIR=../../libopencm3
-DEVICE=stm32l151xb
-OOCD_FILE = openocd.stm32l1-generic.cfg
-include ../../rules.mk
diff --git a/tests/awd-timer-dma/README.md b/tests/awd-timer-dma/README.md
deleted file mode 100644
index 58f851c..0000000
--- a/tests/awd-timer-dma/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-
-Exploring analog watchdog and timer triggered adc via dma
diff --git a/tests/awd-timer-dma/awd-timer-dma.c b/tests/awd-timer-dma/awd-timer-dma.c
deleted file mode 100644
index ffb16db..0000000
--- a/tests/awd-timer-dma/awd-timer-dma.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/**
- * Testing AWD interrupt, with timer triggered dma
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <libopencm3/cm3/nvic.h>
-#include <libopencm3/stm32/adc.h>
-#include <libopencm3/stm32/dma.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/timer.h>
-
-#include "awd-timer-dma.h"
-
-/* Everyone has tim6 right? */
-#define TIMER TIM6
-#define TIMER_RCC RCC_TIM6
-
-/* what external channel should be included? (Connect a pot here) */
-#define EXT_CHAN_RCC  RCC_GPIOA
-#define EXT_CHAN_PORT  GPIOA
-#define EXT_CHAN_PIN  GPIO5
-#define EXT_CHAN_CHAN  5
-
-// TODO - stick this in libopencm3?
-#define	ARRAY_SIZE(a)	(sizeof((a)) / sizeof((a)[0]))
-
-// Still have some bad shit to deal with...
-#if defined(STM32F0)
-#define SEPARATE_ADC_SAMPLING 0
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_239DOT5 // 4usec or more for tempsensor
-#define HAS_CALIBRATION 1
-#elif defined(STM32F1)
-#define SEPARATE_ADC_SAMPLING 0
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_28DOT5CYC // 17usecs or more. >~15cycles at 9Mhz
-#define SEPARATE_VREF 0
-#define HAS_CALIBRATION 1
-#define HAS_ROM_CALIBRATION 0
-#elif defined(STM32F3)
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_181DOT5CYC
-#define SAMPLE_TIME_TEMP ADC_SMPR_SMP_601DOT5CYC // 2.2usecs or more
-#define SAMPLE_TIME_VREF SAMPLE_TIME_TEMP
-#define HAS_CALIBRATION 1
-#elif defined(STM32F4)
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_28CYC
-#define SAMPLE_TIME_TEMP ADC_SMPR_SMP_144CYC // 10 usecs or more, in theory needs 840cycles!
-#define SAMPLE_TIME_VREF SAMPLE_TIME_TEMP
-#define ADC_CHANNEL_TEMP ADC_CHANNEL_TEMP_F40
-#define SEPARATE_VREF 0
-#elif defined(STM32L1)
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_48CYC
-#define SAMPLE_TIME_TEMP ADC_SMPR_SMP_192CYC
-#define SAMPLE_TIME_VREF SAMPLE_TIME_TEMP
-#define SEPARATE_VREF 0
-#elif defined(STM32L4)
-#define SAMPLE_TIME_BASIC ADC_SMPR_SMP_247DOT5CYC
-#define SAMPLE_TIME_TEMP ADC_SMPR_SMP_247DOT5CYC
-#define SAMPLE_TIME_VREF SAMPLE_TIME_TEMP
-#define HAS_CALIBRATION 1
-#else
-#error "no sample time for your target yet?!"
-#endif
-
-#ifndef SEPARATE_VREF
-#define SEPARATE_VREF 1
-#endif
-#ifndef SEPARATE_ADC_SAMPLING
-#define SEPARATE_ADC_SAMPLING 1
-#endif
-#ifndef HAS_CALIBRATION
-#define HAS_CALIBRATION 0
-#endif
-#ifndef HAS_ROM_CALIBRATION
-#define HAS_ROM_CALIBRATION 1
-#endif
-
-/* dma destination */
-static uint16_t adc_buffer[3];
-static int awd_hits;
-
-/**
- * set up a timer from a 100khz timer base.
- * @param sample_rate minimum is ~2hz, max is just under 100khz
- */
-static void timer_trigger_setup(int sample_rate)
-{
-        uint32_t timer = TIMER;
-
-        timer_disable_counter(timer);
-        TIM_CNT(timer) = 0;
-	/* 100kHz base */
-        timer_set_prescaler(timer, (rcc_apb1_frequency / (100*1000)) -1);
-        timer_set_period(timer, ((100*1000)/sample_rate) - 1);
-        timer_set_master_mode(timer, TIM_CR2_MMS_UPDATE);
-}
-
-void adc1_isr(void) {
-	if (ADC_SR(ADC1) & ADC_SR_AWD) {
-		ADC_SR(ADC1) &= ~ADC_SR_AWD;
-		awd_hits++;
-	}
-}
-
-
-void task_init(void)
-{
-	/* Some basic ADC config, that we won't touch again */
-#if defined(STM32F3)
-	/* silly f303 */
-	rcc_periph_clock_enable(RCC_ADC12);
-	rcc_adc_prescale(RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_1, RCC_CFGR2_ADCxPRES_PLL_CLK_DIV_1);
-	adc_enable_regulator(ADC1);
-#elif defined (STM32L4)
-	/* same same but different */
-	rcc_periph_clock_enable(RCC_ADC1);
-	ADC_CR(ADC1) &= ~ADC_CR_DEEPPWD;
-	RCC_CCIPR |= 3 << 28; // system clock as adc clock.  (with CKMODE == 0)
-	adc_enable_regulator(ADC1);
-	
-	ADC_CR(ADC1) &= ~ADC_CR_ADCALDIF;
-	ADC_CR(ADC1) |= ADC_CR_ADCAL;
-	while (ADC_CR(ADC1) & ADC_CR_ADCAL);
-	
-
-#else
-	rcc_periph_clock_enable(RCC_ADC1);
-	rcc_periph_clock_enable(RCC_DMA1);
-	rcc_periph_clock_enable(RCC_TIM6);
-	rcc_periph_clock_enable(EXT_CHAN_RCC);
-	gpio_mode_setup(EXT_CHAN_PORT, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, EXT_CHAN_PIN);
-	adc_power_off(ADC1);
-
-	
-#endif
-#if (SEPARATE_ADC_SAMPLING == 1)
-	adc_set_sample_time_on_all_channels(ADC1, SAMPLE_TIME_BASIC);
-	adc_set_sample_time(ADC1, ADC_CHANNEL_TEMP, SAMPLE_TIME_TEMP);
-	adc_set_sample_time(ADC1, ADC_CHANNEL_VREF, SAMPLE_TIME_VREF);
-#else
-	adc_set_sample_time_on_all_channels(ADC1, SAMPLE_TIME_BASIC);
-#endif
-	adc_enable_temperature_sensor();
-#if (SEPARATE_VREF == 1)
-	adc_enable_vrefint();
-#endif
-
-	adc_enable_scan_mode(ADC1);
-	uint8_t channel_array[] = {EXT_CHAN_CHAN, ADC_CHANNEL_TEMP, ADC_CHANNEL_VREF};
-        adc_set_regular_sequence(ADC1, ARRAY_SIZE(channel_array), channel_array);
-
-        adc_enable_external_trigger_regular(ADC1, ADC_CR2_EXTSEL_TIM6_TRGO, ADC_CR2_EXTEN_RISING_EDGE);
-        /* power down when not in use please. */
-        ADC_CR1(ADC1) |= ADC_CR1_PDD | ADC_CR1_PDI;
-        adc_power_on(ADC1);
-
-#if 1
-	/* adc-v2 has this as "adc_is_power_on*/
-        while ((ADC_SR(ADC1) & ADC_SR_ADONS) == 0) {
-                ;
-        }
-#endif
-
-	/* hard code a threshold for now , around a third */
-	adc_set_watchdog_low_threshold(ADC1, 1400);
-	adc_enable_analog_watchdog_on_selected_channel(ADC1, EXT_CHAN_CHAN);
-	adc_enable_analog_watchdog_regular(ADC1);
-	adc_enable_awd_interrupt(ADC1);
-	nvic_enable_irq(NVIC_ADC1_IRQ);
-
-	dma_channel_reset(DMA1, DMA_CHANNEL1); // channel1 is adc
-	dma_set_memory_address(DMA1, DMA_CHANNEL1, (uint32_t)adc_buffer);
-	dma_set_memory_size(DMA1, DMA_CHANNEL1, DMA_CCR_MSIZE_16BIT);
-	dma_enable_memory_increment_mode(DMA1, DMA_CHANNEL1);
-	dma_set_peripheral_address(DMA1, DMA_CHANNEL1, (uint32_t) & ADC_DR(ADC1));
-	dma_set_peripheral_size(DMA1, DMA_CHANNEL1, DMA_CCR_PSIZE_16BIT);
-	dma_set_number_of_data(DMA1, DMA_CHANNEL1, ARRAY_SIZE(adc_buffer));
-
-//	dma_enable_transfer_complete_interrupt(DMA1, DMA_CHANNEL1);
-	dma_enable_transfer_error_interrupt(DMA1, DMA_CHANNEL1);
-	dma_set_read_from_peripheral(DMA1, DMA_CHANNEL1);
-
-	// This is essential to stop overflows.
-	dma_enable_circular_mode(DMA1, DMA_CHANNEL1);
-
-	dma_enable_channel(DMA1, DMA_CHANNEL1);
-	nvic_enable_irq(NVIC_DMA1_CHANNEL1_IRQ);
-
-	//Keep on requesting DMA, as long as ADC is running
-	ADC_CR2(ADC1) |= ADC_CR2_DDS;
-	adc_enable_dma(ADC1);
-
-	timer_trigger_setup(100);  // slowly for now...
-	/* Reset timer count and start */
-        TIM_CNT(TIM6) = 0;
-        timer_enable_counter(TIM6);
-
-}
-
-static float adc_calc_tempf(unsigned int adc_raw_temp) {
-#if (HAS_ROM_CALIBRATION == 1)
-	float slope = ((110-30) * 1.0f)/((ST_TSENSE_CAL2_110C - ST_TSENSE_CAL1_30C) * 1.0f);
-	return slope * (adc_raw_temp - ST_TSENSE_CAL1_30C) + 30;
-#else
-	return ts_v * 1.0;
-#endif
-}
-
-void task_run(void)
-{
-	static int last_awd_hits;
-	float temperature = adc_calc_tempf(adc_buffer[1]);
-	printf("Last adc reading: %d, last temp: %f (raw=%d), last cal: %d\n",
-		adc_buffer[0], temperature, adc_buffer[1], adc_buffer[2]);
-	if (awd_hits > last_awd_hits) {
-		printf("Got %d AWD hits since last run\n", awd_hits);
-		last_awd_hits = awd_hits;
-	}
-}
diff --git a/tests/awd-timer-dma/awd-timer-dma.h b/tests/awd-timer-dma/awd-timer-dma.h
deleted file mode 100644
index 71bd158..0000000
--- a/tests/awd-timer-dma/awd-timer-dma.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma once
-
-#ifdef	__cplusplus
-extern "C" {
-#endif
-
-	void task_init(void);
-	void task_run(void);
-
-#ifdef	__cplusplus
-}
-#endif
diff --git a/tests/awd-timer-dma/main-stm32l1-generic.c b/tests/awd-timer-dma/main-stm32l1-generic.c
deleted file mode 100644
index 17d6b2c..0000000
--- a/tests/awd-timer-dma/main-stm32l1-generic.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Oct 2015 Karl Palsson <karlp@tweak.net.au>
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <libopencm3/cm3/nvic.h>
-#include <libopencm3/stm32/adc.h>
-#include <libopencm3/stm32/flash.h>
-#include <libopencm3/stm32/gpio.h>
-#include <libopencm3/stm32/rcc.h>
-#include <libopencm3/stm32/usart.h>
-
-#include "trace.h"
-#include "awd-timer-dma.h"
-
-#define LED_DISCO_GREEN_PORT GPIOB
-#define LED_DISCO_GREEN_PIN GPIO7
-
-
-int main(void)
-{
-	int i;
-	int j = 0;
-	rcc_clock_setup_pll(&rcc_clock_config[RCC_CLOCK_VRANGE1_HSI_PLL_32MHZ]);
-	rcc_periph_clock_enable(RCC_GPIOB);
-	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);
-
-	task_init();
-	while (1) {
-		task_run();
-		for (i = 0; i < 0x100000; i++) { /* Wait a bit. */
-			__asm__("NOP");
-		}
-	}
-
-	return 0;
-}