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espressif_tinyusb
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better qspi

This commit is contained in:
hathach 2018-09-08 16:39:42 +07:00
parent 8572947da5
commit 154daf584c
No known key found for this signature in database
GPG Key ID: 2FA891220FBFD581
2 changed files with 78 additions and 26 deletions
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46
examples/device/nrf52840/src/msc_flash_qspi.c
View File

@ -47,6 +47,19 @@ void flash_flush (void);
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
enum
{
FLASH_STATE_IDLE,
FLASH_STATE_BUSY,
FLASH_STATE_COMPLETE
};
volatile uint8_t _fl_state = FLASH_STATE_IDLE;
void qspi_flash_complete (void)
{
_fl_state = FLASH_STATE_COMPLETE;
}
//------------- IMPLEMENTATION -------------//
// Callback invoked when received READ10 command.
@ -55,8 +68,27 @@ int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buff
{
uint32_t addr = lba * CFG_TUD_MSC_BLOCK_SZ + offset;
flash_read(buffer, addr, bufsize);
// switch ( _fl_state )
// {
// case FLASH_STATE_IDLE:
// _fl_state = FLASH_STATE_BUSY;
// flash_read(buffer, addr, bufsize);
// return 0; // data not ready
//
// case FLASH_STATE_BUSY:
// return 0; // data not ready
//
// case FLASH_STATE_COMPLETE:
// _fl_state = FLASH_STATE_IDLE;
// return bufsize;
//
// default:
// _fl_state = FLASH_STATE_IDLE;
// return -1;
// }
flash_read(buffer, addr, bufsize);
return bufsize;
}
@ -96,7 +128,16 @@ void flash_flush (void)
if ( _fl_addr == NO_CACHE ) return;
TU_ASSERT(NRFX_SUCCESS == nrfx_qspi_erase(NRF_QSPI_ERASE_LEN_4KB, _fl_addr),);
// while ( _fl_state != FLASH_STATE_COMPLETE )
// {
// }
// _fl_state = FLASH_STATE_IDLE;
TU_ASSERT(NRFX_SUCCESS == nrfx_qspi_write(_fl_buf, FLASH_PAGE_SIZE, _fl_addr),);
// while ( _fl_state != FLASH_STATE_COMPLETE )
// {
// }
// _fl_state = FLASH_STATE_IDLE;
_fl_addr = NO_CACHE;
}
@ -109,7 +150,8 @@ void flash_write (uint32_t dst, const void *src, int len)
{
flash_flush();
_fl_addr = newAddr;
memset(_fl_buf, 0xff, FLASH_PAGE_SIZE);
flash_read(_fl_buf, newAddr, FLASH_PAGE_SIZE);
}
memcpy(_fl_buf + (dst & (FLASH_PAGE_SIZE - 1)), src, len);
}

58
hw/bsp/pca10056/board_pca10056.c
View File

@ -80,6 +80,17 @@ uint32_t tusb_hal_millis(void)
#define QSPI_STD_CMD_RST 0x99
#define QSPI_STD_CMD_WRSR 0x01
extern void qspi_flash_complete (void);
void qflash_hdl (nrfx_qspi_evt_t event, void * p_context)
{
(void) p_context;
(void) event;
qspi_flash_complete();
}
/* tinyusb function that handles power event (detected, ready, removed)
* We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
*/
@ -104,42 +115,41 @@ void board_init(void)
// 64 Mbit qspi flash
#ifdef BOARD_MSC_FLASH_QSPI
nrfx_qspi_config_t qspi_cfg =
{
.xip_offset = 0,
nrfx_qspi_config_t qspi_cfg = {
.xip_offset = 0,
.pins = {
.sck_pin = 19,
.csn_pin = 17,
.io0_pin = 20,
.io1_pin = 21,
.io2_pin = 22,
.io3_pin = 23,
.sck_pin = 19,
.csn_pin = 17,
.io0_pin = 20,
.io1_pin = 21,
.io2_pin = 22,
.io3_pin = 23,
},
.prot_if = {
.readoc = NRF_QSPI_READOC_FASTREAD,
.writeoc = NRF_QSPI_WRITEOC_PP,
.addrmode = NRF_QSPI_ADDRMODE_24BIT,
.dpmconfig = false, // deep power down
.readoc = NRF_QSPI_READOC_READ4IO,
.writeoc = NRF_QSPI_WRITEOC_PP,
.addrmode = NRF_QSPI_ADDRMODE_24BIT,
.dpmconfig = false, // deep power down
},
.phy_if = {
.sck_freq = NRF_QSPI_FREQ_32MDIV16,
.sck_delay = 1,
.spi_mode = NRF_QSPI_MODE_0,
.dpmen = false
.sck_freq = NRF_QSPI_FREQ_32MDIV4,
.sck_delay = 1,
.spi_mode = NRF_QSPI_MODE_0,
.dpmen = false
},
.irq_priority = 7,
};
// callback = NULL --> blocking
nrfx_qspi_init(&qspi_cfg, NULL, NULL);
// nrfx_qspi_init(&qspi_cfg, qflash_hdl, NULL);
nrf_qspi_cinstr_conf_t cinstr_cfg = {
.opcode = 0,
.length = 0,
.io2_level = true,
.io3_level = true,
.wipwait = true,
.wren = true
.opcode = 0,
.length = 0,
.io2_level = true,
.io3_level = true,
.wipwait = true,
.wren = true
};
// Send reset enable