diff options
Diffstat (limited to 'testhal/STM32/STM32F4xx/FSMC_SRAM/memtest.cpp')
| -rw-r--r-- | testhal/STM32/STM32F4xx/FSMC_SRAM/memtest.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/testhal/STM32/STM32F4xx/FSMC_SRAM/memtest.cpp b/testhal/STM32/STM32F4xx/FSMC_SRAM/memtest.cpp deleted file mode 100644 index 1be98a2..0000000 --- a/testhal/STM32/STM32F4xx/FSMC_SRAM/memtest.cpp +++ /dev/null @@ -1,246 +0,0 @@ -#include <stdint.h> -#include <stddef.h> -#include <stdlib.h> - -#include "memtest.hpp" - -/* - * - */ -template <typename T> -class Generator { -public: - Generator(void) : pattern(0) {;} - virtual T get(void) = 0; - virtual void init(T seed) { - pattern = seed; - } -protected: - T pattern; -}; - -/* - * - */ -template <typename T> -class GeneratorWalkingOne : public Generator<T> { - T get(void) { - T ret = this->pattern; - - this->pattern <<= 1; - if (0 == this->pattern) - this->pattern = 1; - - return ret; - } -}; - -/* - * - */ -template <typename T> -class GeneratorWalkingZero : public Generator<T> { - T get(void) { - T ret = ~this->pattern; - - this->pattern <<= 1; - if (0 == this->pattern) - this->pattern = 1; - - return ret; - } -}; - -/* - * - */ -template <typename T> -class GeneratorOwnAddress : public Generator<T> { - T get(void) { - T ret = this->pattern; - this->pattern++; - return ret; - } -}; - -/* - * - */ -template <typename T> -class GeneratorMovingInv : public Generator<T> { - T get(void) { - T ret = this->pattern; - this->pattern = ~this->pattern; - return ret; - } -}; - -/* - * - */ -template <typename T> -class GeneratorMovingInvRand : public Generator<T> { -public: - GeneratorMovingInvRand(void) : step(0), prev(0){;} - void init(T seed) { - srand(seed); - step = 0; - prev = 0; - } - - T get(void) { - T ret; - T mask = -1; - if ((step & 1) == 0) { - ret = rand() & mask; - prev = ret; - } - else { - ret = ~prev & mask; - } - step++; - - return ret; - } - -private: - size_t step; - T prev; -}; - -/* - * - */ -template <typename T> -static void memtest_sequential(memtest_t *memp, Generator<T> &generator, T seed) { - const size_t steps = memp->size / sizeof(T); - size_t i; - T *mem = static_cast<T *>(memp->start); - - /* fill ram */ - generator.init(seed); - for (i=0; i<steps; i++) - mem[i] = generator.get(); - - /* read back and compare */ - generator.init(seed); - for (i=0; i<steps; i++) { - if (mem[i] != generator.get()) { - memp->ecb(memp, MEMTEST_WALKING_ONE, i*sizeof(T)); - return; - } - } -} - -template <typename T> -static void walking_one(memtest_t *memp) { - GeneratorWalkingOne<T> generator; - memtest_sequential<T>(memp, generator, 1); -} - -template <typename T> -static void walking_zero(memtest_t *memp) { - GeneratorWalkingZero<T> generator; - memtest_sequential<T>(memp, generator, 1); -} - -template <typename T> -static void own_address(memtest_t *memp) { - GeneratorOwnAddress<T> generator; - memtest_sequential<T>(memp, generator, 0); -} - -template <typename T> -static void moving_inversion_zero(memtest_t *memp) { - GeneratorMovingInv<T> generator; - T mask = -1; - memtest_sequential<T>(memp, generator, 0); - memtest_sequential<T>(memp, generator, 0xFFFFFFFF & mask); -} - -template <typename T> -static void moving_inversion_55aa(memtest_t *memp) { - GeneratorMovingInv<T> generator; - T mask = -1; - memtest_sequential<T>(memp, generator, 0x55555555 & mask); - memtest_sequential<T>(memp, generator, 0xAAAAAAAA & mask); -} - -template <typename T> -static void moving_inversion_rand(memtest_t *memp) { - GeneratorMovingInvRand<T> generator; - T mask = -1; - memtest_sequential<T>(memp, generator, memp->rand_seed & mask); -} - -/* - * - */ -static void memtest_wrapper(memtest_t *memp, - void (*p_u8)(memtest_t *memp), - void (*p_u16)(memtest_t *memp), - void (*p_u32)(memtest_t *memp)) { - switch(memp->width){ - case MEMTEST_WIDTH_32: - p_u8(memp); - p_u16(memp); - p_u32(memp); - break; - case MEMTEST_WIDTH_16: - p_u8(memp); - p_u16(memp); - break; - case MEMTEST_WIDTH_8: - p_u8(memp); - break; - } -} - -/* - * - */ -void memtest_run(memtest_t *memp, uint32_t testmask) { - - if ((testmask & MEMTEST_WALKING_ONE) == MEMTEST_WALKING_ONE) { - memtest_wrapper(memp, - walking_one<uint8_t>, - walking_one<uint16_t>, - walking_one<uint32_t>); - } - - if ((testmask & MEMTEST_WALKING_ZERO) == MEMTEST_WALKING_ZERO) { - memtest_wrapper(memp, - walking_zero<uint8_t>, - walking_zero<uint16_t>, - walking_zero<uint32_t>); - } - - if ((testmask & MEMTEST_OWN_ADDRESS) == MEMTEST_OWN_ADDRESS) { - memtest_wrapper(memp, - own_address<uint8_t>, - own_address<uint16_t>, - own_address<uint32_t>); - } - - if ((testmask & MEMTEST_MOVING_INVERSION_ZERO) == MEMTEST_MOVING_INVERSION_ZERO) { - memtest_wrapper(memp, - moving_inversion_zero<uint8_t>, - moving_inversion_zero<uint16_t>, - moving_inversion_zero<uint32_t>); - } - - if ((testmask & MEMTEST_MOVING_INVERSION_55AA) == MEMTEST_MOVING_INVERSION_55AA) { - memtest_wrapper(memp, - moving_inversion_55aa<uint8_t>, - moving_inversion_55aa<uint16_t>, - moving_inversion_55aa<uint32_t>); - } - - if ((testmask & MEMTEST_MOVING_INVERSION_RAND) == MEMTEST_MOVING_INVERSION_RAND) { - memtest_wrapper(memp, - moving_inversion_rand<uint8_t>, - moving_inversion_rand<uint16_t>, - moving_inversion_rand<uint32_t>); - } -} - |