/* * 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; } ect>
path: root/tests/test-rsa.c
blob: 0fd2002a59043cad561d0bb1eaccbafd666336f6 (plain) (blame) 
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