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-rw-r--r--self-test/fmc-perf.c126
-rw-r--r--self-test/fmc-test.c240
-rw-r--r--self-test/led-test.c33
-rw-r--r--self-test/short-test.c205
-rw-r--r--self-test/uart-test.c34
5 files changed, 0 insertions, 638 deletions
diff --git a/self-test/fmc-perf.c b/self-test/fmc-perf.c
deleted file mode 100644
index 0c753a7..0000000
--- a/self-test/fmc-perf.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Test read/write performance of the fmc bus
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-fmc.h"
-#include "stm-uart.h"
-
-#define TEST_NUM_ROUNDS 2000000
-
-RNG_HandleTypeDef rng_inst;
-
-static void MX_RNG_Init(void)
-{
- rng_inst.Instance = RNG;
- HAL_RNG_Init(&rng_inst);
-}
-
-static uint32_t random(void)
-{
- uint32_t rnd;
- if (HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd) != HAL_OK) {
- uart_send_string("HAL_RNG_GenerateRandomNumber failed\r\n");
- Error_Handler();
- }
- return rnd;
-}
-
-static void sanity(void)
-{
- uint32_t rnd, data;
-
- rnd = random();
- if (fmc_write_32(0, &rnd) != 0) {
- uart_send_string("fmc_write_32 failed\r\n");
- Error_Handler();
- }
- if (fmc_read_32(0, &data) != 0) {
- uart_send_string("fmc_read_32 failed\r\n");
- Error_Handler();
- }
- if (data != rnd) {
- uart_send_string("Data bus fail: expected ");
- uart_send_hex(rnd, 8);
- uart_send_string(", got ");
- uart_send_hex(data, 8);
- uart_send_string(", diff ");
- uart_send_hex(data ^ rnd, 8);
- uart_send_string("\r\n");
- Error_Handler();
- }
-}
-
-static void _time_check(char *label, const uint32_t t0)
-{
- uint32_t t = HAL_GetTick() - t0;
-
- uart_send_string(label);
- uart_send_integer(t / 1000, 0);
- uart_send_char('.');
- uart_send_integer(t % 1000, 3);
- uart_send_string(" seconds, ");
- uart_send_integer(((1000 * TEST_NUM_ROUNDS) / t), 0);
- uart_send_string("/sec\r\n");
-}
-
-#define time_check(_label_, _expr_) \
- do { \
- uint32_t _t = HAL_GetTick(); \
- (_expr_); \
- _time_check(_label_, _t); \
- } while (0)
-
-static void test_read(void)
-{
- uint32_t i, data;
-
- for (i = 0; i < TEST_NUM_ROUNDS; ++i) {
- if (fmc_read_32(0, &data) != 0) {
- uart_send_string("fmc_read_32 failed\r\n");
- Error_Handler();
- }
- }
-}
-
-static void test_write(void)
-{
- uint32_t i;
-
- for (i = 0; i < TEST_NUM_ROUNDS; ++i) {
- if (fmc_write_32(0, &i) != 0) {
- uart_send_string("fmc_write_32 failed\r\n");
- Error_Handler();
- }
- }
-}
-
-int main(void)
-{
- stm_init();
-
- uart_send_string("Keep calm for Novena boot...\r\n");
-
- // Blink blue LED for six seconds to not upset the Novena at boot.
- led_on(LED_BLUE);
- for (int i = 0; i < 12; i++) {
- HAL_Delay(500);
- led_toggle(LED_BLUE);
- }
- led_off(LED_BLUE);
-
- // initialize rng
- MX_RNG_Init();
-
- // prepare fmc interface
- fmc_init();
-
- sanity();
-
- time_check("read ", test_read());
- time_check("write ", test_write());
-
- uart_send_string("Done.\r\n\r\n");
- return 0;
-}
diff --git a/self-test/fmc-test.c b/self-test/fmc-test.c
deleted file mode 100644
index cf17087..0000000
--- a/self-test/fmc-test.c
+++ /dev/null
@@ -1,240 +0,0 @@
-//------------------------------------------------------------------------------
-// main.c
-//------------------------------------------------------------------------------
-
-
-//------------------------------------------------------------------------------
-// Headers
-//------------------------------------------------------------------------------
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-fmc.h"
-#include "stm-uart.h"
-
-//------------------------------------------------------------------------------
-// Defines
-//------------------------------------------------------------------------------
-
-
-//------------------------------------------------------------------------------
-// Macros
-//------------------------------------------------------------------------------
-
-
-//------------------------------------------------------------------------------
-// Variables
-//------------------------------------------------------------------------------
-RNG_HandleTypeDef rng_inst;
-
-// FT: "I changed some interesting-to-look-at-in-the-debugger values to be
-// volatile, so that my compiler wouldn't optimize/obscure them."
-
-volatile uint32_t data_diff = 0;
-volatile uint32_t addr_diff = 0;
-
-
-//------------------------------------------------------------------------------
-// Prototypes
-//------------------------------------------------------------------------------
-/* XXX move this to stm-rng.[ch] */
-static void MX_RNG_Init(void);
-
-int test_fpga_data_bus(void);
-int test_fpga_address_bus(void);
-
-
-//------------------------------------------------------------------------------
-// Defines
-//------------------------------------------------------------------------------
-#define TEST_NUM_ROUNDS 100000
-
-
-//------------------------------------------------------------------------------
-int main(void)
-//------------------------------------------------------------------------------
-{
- int i;
-
- stm_init();
-
- uart_send_string("Keep calm for Novena boot...\r\n");
-
- // Blink blue LED for six seconds to not upset the Novena at boot.
- led_on(LED_BLUE);
- for (i = 0; i < 12; i++) {
- HAL_Delay(500);
- led_toggle(LED_BLUE);
- }
-
- // initialize rng
- MX_RNG_Init();
-
- // prepare fmc interface
- fmc_init();
-
- // turn on green led, turn off other leds
- led_on(LED_GREEN);
- led_off(LED_YELLOW);
- led_off(LED_RED);
- led_off(LED_BLUE);
-
- // vars
- volatile int data_test_ok = 0, addr_test_ok = 0, successful_runs = 0, failed_runs = 0, sleep = 0;
-
- // main loop (test, until an error is detected)
- while (1)
- {
- // test data bus
- data_test_ok = test_fpga_data_bus();
- // test address bus
- addr_test_ok = test_fpga_address_bus();
-
- uart_send_string("Data: ");
- uart_send_integer(data_test_ok, 6);
- uart_send_string(", addr: ");
- uart_send_integer(addr_test_ok, 6);
- uart_send_string("\r\n");
-
- if (data_test_ok == TEST_NUM_ROUNDS &&
- addr_test_ok == TEST_NUM_ROUNDS) {
- // toggle yellow led to indicate, that we are alive
- led_toggle(LED_YELLOW);
-
- successful_runs++;
- sleep = 100;
- } else {
- led_on(LED_RED);
- failed_runs++;
- sleep = 2000;
- }
-
- uart_send_string("Success ");
- uart_send_integer(successful_runs, 0);
- uart_send_string(", fail ");
- uart_send_integer(failed_runs, 0);
- uart_send_string("\r\n\r\n");
-
- HAL_Delay(sleep);
- }
-
- // should never reach this line
-}
-
-
-//------------------------------------------------------------------------------
-int test_fpga_data_bus(void)
-//------------------------------------------------------------------------------
-{
- int c, ok;
- uint32_t rnd, buf;
- HAL_StatusTypeDef hal_result;
-
- // run some rounds of data bus test
- for (c=0; c<TEST_NUM_ROUNDS; c++)
- {
- data_diff = 0;
- // try to generate "random" number
- hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
- if (hal_result != HAL_OK) break;
-
- // write value to fpga at address 0
- ok = fmc_write_32(0, &rnd);
- if (ok != 0) break;
-
- // read value from fpga
- ok = fmc_read_32(0, &buf);
- if (ok != 0) break;
-
- // compare (abort testing in case of error)
- if (buf != rnd)
- {
- data_diff = buf;
- data_diff ^= rnd;
-
- uart_send_string("Data bus fail: expected ");
- uart_send_binary(rnd, 32);
- uart_send_string(", got ");
- uart_send_binary(buf, 32);
- uart_send_string(", diff ");
- uart_send_binary(data_diff, 32);
- uart_send_string("\r\n");
-
- break;
- }
- }
-
- // return number of successful tests
- return c;
-}
-
-
-//------------------------------------------------------------------------------
-int test_fpga_address_bus(void)
-//------------------------------------------------------------------------------
-{
- int c, ok;
- uint32_t rnd, buf;
- HAL_StatusTypeDef hal_result;
-
- // run some rounds of address bus test
- for (c=0; c<TEST_NUM_ROUNDS; c++)
- {
- addr_diff = 0;
- // try to generate "random" number
- hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
- if (hal_result != HAL_OK) break;
-
- // we only have 2^22 32-bit words
- //rnd &= 0x00FFFFFC;
- rnd &= 0x0007FFFC;
-
- // don't test zero addresses (fpga will store data, not address)
- if (rnd == 0) continue;
-
- // write dummy value to fpga at some non-zero address
- ok = fmc_write_32(rnd, &buf);
- if (ok != 0) break;
-
- // read value from fpga
- ok = fmc_read_32(0, &buf);
- if (ok != 0) break;
-
- // fpga receives address of 32-bit word, while we need
- // byte address here to compare
- buf <<= 2;
-
- // compare (abort testing in case of error)
- if (buf != rnd)
- {
- addr_diff = buf;
- addr_diff ^= rnd;
-
- uart_send_string("Addr bus fail: expected ");
- uart_send_binary(rnd, 32);
- uart_send_string(", got ");
- uart_send_binary(buf, 32);
- uart_send_string(", diff ");
- uart_send_binary(addr_diff, 32);
- uart_send_string("\r\n");
-
- break;
- }
- }
-
- return c;
-}
-
-
-//------------------------------------------------------------------------------
-static void MX_RNG_Init(void)
-//------------------------------------------------------------------------------
-{
- rng_inst.Instance = RNG;
- HAL_RNG_Init(&rng_inst);
-}
-
-
-//------------------------------------------------------------------------------
-// EOF
-//------------------------------------------------------------------------------
diff --git a/self-test/led-test.c b/self-test/led-test.c
deleted file mode 100644
index 5e4401f..0000000
--- a/self-test/led-test.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Blink the four LEDs on the rev01 board in a pattern.
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-
-#define DELAY() HAL_Delay(125)
-
-void toggle_led(uint32_t times, uint32_t led_pin)
-{
- uint32_t i;
-
- for (i = 0; i < times; i++) {
- HAL_GPIO_TogglePin(LED_PORT, led_pin);
- DELAY();
- }
-}
-
-int
-main()
-{
- stm_init();
-
- while (1)
- {
- toggle_led(2, LED_BLUE);
- toggle_led(2, LED_GREEN);
- toggle_led(2, LED_YELLOW);
- toggle_led(2, LED_RED);
- }
-
-}
diff --git a/self-test/short-test.c b/self-test/short-test.c
deleted file mode 100644
index 27b8e7a..0000000
--- a/self-test/short-test.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Test code that just sends the letters 'a' to 'z' over and
- * over again using USART2.
- *
- * Toggles the BLUE LED slowly and the RED LED for every
- * character sent.
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-uart.h"
-
-void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins);
-
-//------------------------------------------------------------------------------
-// Defines
-//------------------------------------------------------------------------------
-
-
-//------------------------------------------------------------------------------
-// Macros
-//------------------------------------------------------------------------------
-
-/* These are all the pins used by the FMC interface */
-#define GPIOB_PINS (GPIO_PIN_7)
-
-#define GPIOD_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15 \
- |GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4 \
- |GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7)
-
-#define GPIOE_PINS (GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7 \
- |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOF_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \
- |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13 \
- |GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOG_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \
- |GPIO_PIN_4|GPIO_PIN_5)
-
-#define GPIOH_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \
- |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15)
-
-#define GPIOI_PINS (GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1 \
- |GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_6|GPIO_PIN_7)
-
-int
-main()
-{
- stm_init();
-
- // enable gpio clocks
- __GPIOA_CLK_ENABLE();
- __GPIOB_CLK_ENABLE();
- __GPIOD_CLK_ENABLE();
- __GPIOE_CLK_ENABLE();
- __GPIOF_CLK_ENABLE();
- __GPIOG_CLK_ENABLE();
- __GPIOH_CLK_ENABLE();
- __GPIOI_CLK_ENABLE();
-
- while (1) {
- HAL_GPIO_TogglePin(LED_PORT, LED_GREEN);
- uart_send_string("\r\n\r\n\r\n\r\n\r\n");
-
- test_for_shorts('B', GPIOB, GPIOB_PINS);
- test_for_shorts('D', GPIOD, GPIOD_PINS);
- test_for_shorts('E', GPIOE, GPIOE_PINS);
- test_for_shorts('F', GPIOF, GPIOF_PINS);
- test_for_shorts('G', GPIOG, GPIOG_PINS);
- test_for_shorts('H', GPIOH, GPIOH_PINS);
- test_for_shorts('I', GPIOI, GPIOI_PINS);
- led_toggle(LED_BLUE);
- HAL_Delay(2000);
- }
-}
-
-void configure_all_as_input(GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
-
- /* Configure all pins as input. XXX do all pins (0xffff) instead of just GPIO_Test_Pins? */
- GPIO_InitStruct.Pin = GPIO_Test_Pins;
- GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
- HAL_GPIO_Init(GPIOx, &GPIO_InitStruct);
-}
-
-uint8_t check_no_input(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins, char wrote_port, uint16_t wrote_value)
-{
- uint16_t read;
-
- /* Read all pins from port at once. XXX check all pins, not just GPIO_Test_Pins? */
- read = (GPIOx->IDR & GPIO_Test_Pins);
-
- if (! read) {
- /* No unexpected pins read as HIGH */
- return 0;
- }
-
- led_on(LED_RED);
-
- uart_send_string("Wrote ");
- uart_send_binary(wrote_value, 16);
-
- uart_send_string(" to port GPIO");
- uart_send_char(wrote_port);
-
- uart_send_string(", read ");
- uart_send_binary(read, 16);
-
- uart_send_string(" from GPIO");
- uart_send_char(port);
-
- uart_send_string("\r\n");
-
- return 1;
-}
-
-void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
- uint16_t i, fail = 0, Test_Pin, read;
-
- configure_all_as_input(GPIOB, GPIOB_PINS);
- configure_all_as_input(GPIOD, GPIOD_PINS);
- configure_all_as_input(GPIOE, GPIOE_PINS);
- configure_all_as_input(GPIOF, GPIOF_PINS);
- configure_all_as_input(GPIOG, GPIOG_PINS);
- configure_all_as_input(GPIOH, GPIOH_PINS);
- configure_all_as_input(GPIOI, GPIOI_PINS);
-
- check_no_input('B', GPIOB, GPIOB_PINS, 'x', 0);
- check_no_input('D', GPIOD, GPIOD_PINS, 'x', 0);
- check_no_input('E', GPIOE, GPIOE_PINS, 'x', 0);
- check_no_input('F', GPIOF, GPIOF_PINS, 'x', 0);
- check_no_input('G', GPIOG, GPIOG_PINS, 'x', 0);
- check_no_input('H', GPIOH, GPIOH_PINS, 'x', 0);
- check_no_input('I', GPIOI, GPIOI_PINS, 'x', 0);
-
- for (i = 0; i < 31; i++) {
- Test_Pin = 1 << i;
- if (! (GPIO_Test_Pins & Test_Pin)) continue;
-
- configure_all_as_input(GPIOx, GPIO_Test_Pins);
-
- /* Change one pin to output */
- GPIO_InitStruct.Pin = Test_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_PULLDOWN;
- GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
- HAL_GPIO_Init(GPIOx, &GPIO_InitStruct);
-
- HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_SET);
-
- /* Slight delay after setting the output pin. Without this, the Test_Pin
- bit might read as zero, as it is only sampled once every AHB1 clock cycle.
- Reference manual DM00031020 section 8.3.1.
- */
- HAL_Delay(1);
-
- /* Read all input GPIOs from port at once. XXX check all pins, not just GPIO_Test_Pins? */
- read = GPIOx->IDR & GPIO_Test_Pins;
-
- if (read == Test_Pin) {
- /* No unexpected pins read as HIGH */
- led_toggle(LED_GREEN);
- } else {
- led_on(LED_RED);
- uart_send_string("GPIO");
- uart_send_char(port);
-
- uart_send_string(" exp ");
- uart_send_binary(Test_Pin, 16);
-
- uart_send_string(" got ");
- uart_send_binary(read, 16);
-
- uart_send_string(" diff ");
- uart_send_binary(read ^ Test_Pin, 16);
-
- uart_send_string("\r\n");
-
- fail++;
- }
-
- /* Check there is no input on any of the other GPIO ports (adjacent pins might live on different ports) */
- if (port != 'B') fail += check_no_input('B', GPIOB, GPIOB_PINS, port, Test_Pin);
- if (port != 'D') fail += check_no_input('D', GPIOD, GPIOD_PINS, port, Test_Pin);
- if (port != 'E') fail += check_no_input('E', GPIOE, GPIOE_PINS, port, Test_Pin);
- if (port != 'F') fail += check_no_input('F', GPIOF, GPIOF_PINS, port, Test_Pin);
- if (port != 'G') fail += check_no_input('G', GPIOG, GPIOG_PINS, port, Test_Pin);
- if (port != 'H') fail += check_no_input('H', GPIOH, GPIOH_PINS, port, Test_Pin);
- if (port != 'I') fail += check_no_input('I', GPIOI, GPIOI_PINS, port, Test_Pin);
-
- HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_RESET);
- }
-
- if (fail) {
- uart_send_string("\r\n");
- }
-}
diff --git a/self-test/uart-test.c b/self-test/uart-test.c
deleted file mode 100644
index 8fe7795..0000000
--- a/self-test/uart-test.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Test code that just sends the letters 'a' to 'z' over and
- * over again using USART2.
- *
- * Toggles the BLUE LED slowly and the RED LED for every
- * character sent.
- */
-#include "stm32f4xx_hal.h"
-#include "stm-init.h"
-#include "stm-led.h"
-#include "stm-uart.h"
-
-#define DELAY() HAL_Delay(100)
-
-int
-main()
-{
- uint8_t c = 'a';
-
- stm_init();
-
- while (1)
- {
- HAL_GPIO_TogglePin(LED_PORT, LED_RED);
-
- uart_send_char(c);
- DELAY();
-
- if (c++ == 'z') {
- c = 'a';
- HAL_GPIO_TogglePin(LED_PORT, LED_BLUE);
- }
- }
-}
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