uint8_t w25q80bv_get_status(void)
{
uint8_t value;
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
ssp_transfer(SSP0_NUM, W25Q80BV_READ_STATUS1);
value = ssp_transfer(SSP0_NUM, 0xFF);
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
return value;
}
int command_lpc_ssp(struct cli *t, int argc, char **argv)
{
int i;
char *end;
uint8_t rb, tb;
bool_t flag;
if(argc) {
if(!strcmp("speak", argv[0])) {
if(argc > 1) {
printf("exchanging %d words:\n", argc - 1);
//csel_scp(1);
for(i = 1; i < argc; i++) {
if(scan_byte(argv[i], &tb)) {
rb = ssp_transfer(tb);
printf(" %02x -> %02x\n", tb, rb);
} else {
printf(" %s invalid\n", argv[i]);
break;
}
}
//csel_scp(0);
}
} else if (!strcmp("trace", argv[0])) {
if(argc > 1) {
if(scan_bool(argv[1], &flag)) {
ssp_enable_trace(flag);
}
} else {
ssp_enable_trace(BOOL_TRUE);
}
}
}
return 0;
}
void lcdWrite(uint8_t cd, uint8_t data) {
uint16_t frame = 0x0;
frame = cd << 8;
frame |= data;
ssp_transfer(LCD_SSP, frame );
}
/* Release power down / Device ID */
uint8_t w25q80bv_get_device_id(void)
{
uint8_t value;
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
ssp_transfer(SSP0_NUM, W25Q80BV_DEVICE_ID);
/* Read 3 dummy bytes */
value = ssp_transfer(SSP0_NUM, 0xFF);
value = ssp_transfer(SSP0_NUM, 0xFF);
value = ssp_transfer(SSP0_NUM, 0xFF);
/* Read Device ID shall return 0x13 for W25Q80BV */
value = ssp_transfer(SSP0_NUM, 0xFF);
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
return value;
}
void w25q80bv_get_unique_id(w25q80bv_unique_id_t* unique_id)
{
int i;
uint8_t value;
uint32_t addr;
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
if(device_id == W25Q80BV_DEVICE_ID_RES)
{
ssp_transfer(SSP0_NUM, W25Q80BV_UNIQUE_ID);
/* Read 4 dummy bytes */
for(i=0; i<4; i++)
value = ssp_transfer(SSP0_NUM, 0xFF);
/* Read Unique ID 64bits (8*8) */
for(i=0; i<8; i++)
{
value = ssp_transfer(SSP0_NUM, 0xFF);
unique_id->id_8b[i] = value;
}
}else if(device_id == S25FL032P_DEVICE_ID_RES)
{
addr = S25FL032P_OTP_SN1_ADDR;
ssp_transfer(SSP0_NUM, S25FL032P_READ_OTP);
ssp_transfer(SSP0_NUM, (addr & 0xFF0000) >> 16);
ssp_transfer(SSP0_NUM, (addr & 0xFF00) >> 8);
ssp_transfer(SSP0_NUM, addr & 0xFF);
ssp_transfer(SSP0_NUM, 0xFF); /* Dummy byte */
/* Read Unique ID 64bits (8*8) */
for(i=0; i<8; i++)
{
value = ssp_transfer(SSP0_NUM, 0xFF);
unique_id->id_8b[i] = value;
}
}
