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W25Q_STATE s = W25Q_Init(); // init the chip
s = W25Q_EraseSector(0); // erase 4K sector - required before recording
// make test data
u8_t byte = 0x6D;
u8_t byte_read = 0;
u8_t in_page_shift = 0;
u8_t page_number = 0;
// write data
s= W25Q_ProgramByte(byte, in_page_shift, page_number);
// read data
s = W25Q_ReadByte(&byte_read, in_page_shift, page_number);
s = W25Q_Sleep();
char str[10];
sprintf(str, "read: %i", byte_read);
SHARPMEM_write(&lcd, str, 0, 0, 51, true, false);
SHARPMEM_refresh_display(&lcd);
if(!HAL_I2C_IsDeviceReady(&hi2c1, 0x32, 3, 1000)) {
SHARPMEM_write(&lcd, "I2C works", 0, 0, 17, true, false);
SHARPMEM_refresh_display(&lcd);
uint8_t whoami[1] = {0};
char whoami_str[10];
HAL_StatusTypeDef e = HAL_I2C_Mem_Read(&hi2c1, 0x3C, 0x22, 1, whoami, 1, 1000);
if(!e){
sprintf(whoami_str, "%i", byte_read);
SHARPMEM_write(&lcd, whoami_str, 0, 0, 34, true, false);
SHARPMEM_refresh_display(&lcd);
} else {
sprintf(whoami_str, "err: %x", (uint8_t)e);
SHARPMEM_write(&lcd, whoami_str, 0, 0, 34, true, false);
SHARPMEM_refresh_display(&lcd);
}
} else {
SHARPMEM_write(&lcd, "I2C doesn't work", 0, 0, 17, true, false);
SHARPMEM_refresh_display(&lcd);
}
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