[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v5 13/14] tests/microbit-test: Add Tests for nRF51 T
From: |
Steffen Görtz |
Subject: |
[Qemu-devel] [PATCH v5 13/14] tests/microbit-test: Add Tests for nRF51 Timer |
Date: |
Mon, 12 Nov 2018 16:42:23 -0500 |
Basic tests for nRF51 Timer Peripheral.
Signed-off-by: Steffen Görtz <address@hidden>
---
tests/microbit-test.c | 101 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 101 insertions(+)
diff --git a/tests/microbit-test.c b/tests/microbit-test.c
index e606221b58..f8731e7c00 100644
--- a/tests/microbit-test.c
+++ b/tests/microbit-test.c
@@ -21,6 +21,7 @@
#include "hw/arm/nrf51.h"
#include "hw/nvram/nrf51_nvm.h"
#include "hw/gpio/nrf51_gpio.h"
+#include "hw/timer/nrf51_timer.h"
#define FLASH_SIZE (256 * NRF51_PAGE_SIZE)
@@ -239,6 +240,105 @@ static void test_nrf51_gpio(void)
qtest_set_irq_in(global_qtest, "/machine/nrf51", "unnamed-gpio-in", 0, 0);
}
+static void timer_task(hwaddr task)
+{
+ writel(NRF51_TIMER_BASE + task, NRF51_TRIGGER_TASK);
+}
+
+static void timer_clear_event(hwaddr event)
+{
+ writel(NRF51_TIMER_BASE + event, NRF51_EVENT_CLEAR);
+}
+
+static void timer_set_bitmode(uint8_t mode)
+{
+ writel(NRF51_TIMER_BASE + NRF51_TIMER_REG_BITMODE, mode);
+}
+
+static void timer_set_prescaler(uint8_t prescaler)
+{
+ writel(NRF51_TIMER_BASE + NRF51_TIMER_REG_PRESCALER, prescaler);
+}
+
+static void timer_set_cc(size_t idx, uint32_t value)
+{
+ writel(NRF51_TIMER_BASE + NRF51_TIMER_REG_CC0 + idx * 4, value);
+}
+
+static void timer_assert_events(uint32_t ev0, uint32_t ev1, uint32_t ev2,
+ uint32_t ev3)
+{
+ g_assert(readl(NRF51_TIMER_BASE + NRF51_TIMER_EVENT_COMPARE_0) == ev0);
+ g_assert(readl(NRF51_TIMER_BASE + NRF51_TIMER_EVENT_COMPARE_1) == ev1);
+ g_assert(readl(NRF51_TIMER_BASE + NRF51_TIMER_EVENT_COMPARE_2) == ev2);
+ g_assert(readl(NRF51_TIMER_BASE + NRF51_TIMER_EVENT_COMPARE_3) == ev3);
+}
+
+static void test_nrf51_timer(void)
+{
+ int64_t prev_deadline, curr_deadline;
+ uint32_t steps_to_overflow = 405;
+
+ /* Compare Match */
+ timer_task(NRF51_TIMER_TASK_STOP);
+ timer_task(NRF51_TIMER_TASK_CLEAR);
+
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_0);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_1);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_2);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_3);
+
+ timer_set_bitmode(NRF51_TIMER_WIDTH_16);
+ /* 16 MHz Timer */
+ timer_set_prescaler(0);
+ /* Swept over in first step */
+ timer_set_cc(0, 2);
+ /* Barely miss on first step */
+ timer_set_cc(1, 162);
+ /* Spot on on third step */
+ timer_set_cc(2, 483);
+
+ timer_assert_events(0, 0, 0, 0);
+
+ timer_task(NRF51_TIMER_TASK_START);
+ prev_deadline = clock_step_next();
+ timer_assert_events(1, 0, 0, 0);
+
+ /* Swept over on first overflow */
+ timer_set_cc(3, 114);
+
+ curr_deadline = clock_step_next();
+ g_assert_cmpint(curr_deadline - prev_deadline, ==, 10000);
+ prev_deadline = curr_deadline;
+ timer_assert_events(1, 1, 0, 0);
+
+ curr_deadline = clock_step_next();
+ g_assert_cmpint(curr_deadline - prev_deadline, ==, 10000);
+ prev_deadline = curr_deadline;
+ timer_assert_events(1, 1, 1, 0);
+
+ /* Wrap time until internal counter overflows */
+ while (steps_to_overflow--) {
+ timer_assert_events(1, 1, 1, 0);
+ clock_step_next();
+ }
+
+ timer_assert_events(1, 1, 1, 1);
+
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_0);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_1);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_2);
+ timer_clear_event(NRF51_TIMER_EVENT_COMPARE_3);
+ timer_assert_events(0, 0, 0, 0);
+
+ timer_task(NRF51_TIMER_TASK_STOP);
+
+ /* Test Proposal: Stop/Shutdown */
+ /* Test Proposal: Shortcut Compare -> Clear */
+ /* Test Proposal: Shortcut Compare -> Stop */
+ /* Test Proposal: Counter Mode */
+}
+
int main(int argc, char **argv)
{
int ret;
@@ -249,6 +349,7 @@ int main(int argc, char **argv)
qtest_add_func("/microbit/nrf51/nvmc", test_nrf51_nvmc);
qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio);
+ qtest_add_func("/microbit/nrf51/timer", test_nrf51_timer);
ret = g_test_run();
--
2.19.1
- Re: [Qemu-devel] [PATCH v5 05/14] hw/nvram/nrf51_nvm: Add nRF51 non-volatile memories, (continued)
- [Qemu-devel] [PATCH v5 04/14] arm: Instantiate NRF51 random number generator, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 03/14] hw/misc/nrf51_rng: Add NRF51 random number generator peripheral, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 06/14] arm: Instantiate NRF51 special NVM's and NVMC, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 08/14] hw/gpio/nrf51_gpio: Add nRF51 GPIO peripheral, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 02/14] arm: Add header to host common definition for nRF51 SOC peripherals, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 10/14] tests/microbit-test: Add Tests for nRF51 GPIO, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 09/14] arm: Instantiate NRF51 general purpose I/O, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 13/14] tests/microbit-test: Add Tests for nRF51 Timer,
Steffen Görtz <=
- [Qemu-devel] [PATCH v5 11/14] hw/timer/nrf51_timer: Add nRF51 Timer peripheral, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 12/14] arm: Instantiate NRF51 Timers, Steffen Görtz, 2018/11/12
- [Qemu-devel] [PATCH v5 14/14] arm: Add Clock peripheral stub to NRF51 SOC, Steffen Görtz, 2018/11/12
- Re: [Qemu-devel] [PATCH v5 00/14] arm: nRF51 Devices and Microbit Support, no-reply, 2018/11/13
- Re: [Qemu-devel] [PATCH v5 00/14] arm: nRF51 Devices and Microbit Support, no-reply, 2018/11/13
- Re: [Qemu-devel] [PATCH v5 00/14] arm: nRF51 Devices and Microbit Support, Peter Maydell, 2018/11/16
- Re: [Qemu-devel] [PATCH v5 00/14] arm: nRF51 Devices and Microbit Support, Stefan Hajnoczi, 2018/11/19