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W25Q80BV: Finish abstracting SPI code.

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This commit is contained in:
Jared Boone
2014-11-09 16:15:28 -08:00
parent 20d6d5a5a2
commit 58e3465ce5
7 changed files with 67 additions and 79 deletions
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2
firmware/common/hackrf_core.c
View File

@ -67,12 +67,10 @@ spi_t rffc5071_spi = {
.transfer_gather = rffc5071_spi_transfer_gather,
};
w25q80bv_driver_t spi_flash;
rffc5071_driver_t rffc5072 = {
.spi = &rffc5071_spi,
};
void delay(uint32_t duration)
{
uint32_t i;

2
firmware/common/hackrf_core.h
View File

@ -35,7 +35,6 @@ extern "C"
#include "max2837.h"
#include "max5864.h"
#include "rffc5071.h"
#include "w25q80bv.h"
/* hardware identification number */
#define BOARD_ID_JELLYBEAN 0
@ -357,7 +356,6 @@ void delay(uint32_t duration);
extern max2837_driver_t max2837;
extern max5864_driver_t max5864;
extern rffc5071_driver_t rffc5072;
extern w25q80bv_driver_t spi_flash;
void cpu_clock_init(void);
void cpu_clock_pll1_low_speed(void);

29
firmware/common/w25q80bv.c
View File

@ -28,8 +28,9 @@
*/
#include <stdint.h>
#include "w25q80bv.h"
#include "w25q80bv_drv.h"
#include "w25q80bv_spi.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
@ -57,7 +58,7 @@ void w25q80bv_setup(w25q80bv_driver_t* const drv)
drv->num_pages = 4096U;
drv->num_bytes = 1048576U;
w25q80bv_hw_init(drv->hw);
spi_init(drv->spi);
device_id = 0;
while(device_id != W25Q80BV_DEVICE_ID_RES)
@ -69,7 +70,7 @@ void w25q80bv_setup(w25q80bv_driver_t* const drv)
uint8_t w25q80bv_get_status(w25q80bv_driver_t* const drv)
{
uint8_t data[] = { W25Q80BV_READ_STATUS1, 0xFF };
w25q80bv_hw_transfer(drv->hw, data, ARRAY_SIZE(data));
spi_transfer(drv->spi, data, ARRAY_SIZE(data));
return data[1];
}
@ -80,7 +81,7 @@ uint8_t w25q80bv_get_device_id(w25q80bv_driver_t* const drv)
W25Q80BV_DEVICE_ID,
0xFF, 0xFF, 0xFF, 0xFF
};
w25q80bv_hw_transfer(drv->hw, data, ARRAY_SIZE(data));
spi_transfer(drv->spi, data, ARRAY_SIZE(data));
return data[4];
}
@ -91,7 +92,7 @@ void w25q80bv_get_unique_id(w25q80bv_driver_t* const drv, w25q80bv_unique_id_t*
0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
w25q80bv_hw_transfer(drv->hw, data, ARRAY_SIZE(data));
spi_transfer(drv->spi, data, ARRAY_SIZE(data));
for(size_t i=0; i<8; i++) {
unique_id->id_8b[i] = data[5+i];
@ -108,7 +109,7 @@ void w25q80bv_write_enable(w25q80bv_driver_t* const drv)
w25q80bv_wait_while_busy(drv);
uint8_t data[] = { W25Q80BV_WRITE_ENABLE };
w25q80bv_hw_transfer(drv->hw, data, ARRAY_SIZE(data));
spi_transfer(drv->spi, data, ARRAY_SIZE(data));
}
void w25q80bv_chip_erase(w25q80bv_driver_t* const drv)
@ -125,7 +126,7 @@ void w25q80bv_chip_erase(w25q80bv_driver_t* const drv)
w25q80bv_wait_while_busy(drv);
uint8_t data[] = { W25Q80BV_CHIP_ERASE };
w25q80bv_hw_transfer(drv->hw, data, ARRAY_SIZE(data));
spi_transfer(drv->spi, data, ARRAY_SIZE(data));
}
/* write up a 256 byte page or partial page */
@ -149,12 +150,12 @@ static void w25q80bv_page_program(w25q80bv_driver_t* const drv, const uint32_t a
addr & 0xFF
};
const w25q80bv_transfer_t transfers[] = {
const spi_transfer_t transfers[] = {
{ header, ARRAY_SIZE(header) },
{ data, len }
};
w25q80bv_hw_transfer_multiple(drv->hw, transfers, ARRAY_SIZE(transfers));
spi_transfer_gather(drv->spi, transfers, ARRAY_SIZE(transfers));
}
/* write an arbitrary number of bytes */
@ -198,3 +199,13 @@ void w25q80bv_program(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len,
w25q80bv_page_program(drv, addr, len, data);
}
}
spi_t w25q80bv_spi = {
.init = w25q80bv_spi_init,
.transfer = w25q80bv_spi_transfer,
.transfer_gather = w25q80bv_spi_transfer_gather,
};
w25q80bv_driver_t spi_flash = {
.spi = &w25q80bv_spi,
};

7
firmware/common/w25q80bv.h
View File

@ -24,9 +24,10 @@
#ifndef __W25Q80BV_H__
#define __W25Q80BV_H__
#include <stdint.h>
#include <stddef.h>
#include "w25q80bv_drv.h"
#include "spi.h"
typedef union
{
@ -36,7 +37,7 @@ typedef union
} w25q80bv_unique_id_t;
typedef struct {
w25q80bv_hw_t* hw;
spi_t* spi;
size_t page_len;
size_t num_pages;
size_t num_bytes;
@ -48,4 +49,6 @@ void w25q80bv_program(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len,
uint8_t w25q80bv_get_device_id(w25q80bv_driver_t* const drv);
void w25q80bv_get_unique_id(w25q80bv_driver_t* const drv, w25q80bv_unique_id_t* unique_id);
extern w25q80bv_driver_t spi_flash;
#endif//__W25Q80BV_H__

76
firmware/common/w25q80bv_drv.c → firmware/common/w25q80bv_spi.c
View File

@ -21,37 +21,35 @@
* Boston, MA 02110-1301, USA.
*/
#include "w25q80bv_drv.h"
#include "w25q80bv_spi.h"
#include <libopencm3/lpc43xx/gpio.h>
#include <libopencm3/lpc43xx/rgu.h>
#include <libopencm3/lpc43xx/scu.h>
#include <libopencm3/lpc43xx/ssp.h>
#include "hackrf_core.h"
#include <libopencm3/lpc43xx/ssp.h>
#include <libopencm3/lpc43xx/scu.h>
#include <libopencm3/lpc43xx/gpio.h>
#include <libopencm3/lpc43xx/rgu.h>
void w25q80bv_spi_init(spi_t* const spi) {
(void)spi;
static void w25q80bv_spi_select(w25q80bv_hw_t* const hw) {
(void)hw;
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
}
static void w25q80bv_spi_unselect(w25q80bv_hw_t* const hw) {
(void)hw;
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
}
static uint16_t w25q80bv_spi_transfer(w25q80bv_hw_t* const hw, const uint16_t tx_data) {
(void)hw;
return ssp_transfer(SSP0_NUM, tx_data);
}
void w25q80bv_hw_init(w25q80bv_hw_t* const hw) {
const uint8_t serial_clock_rate = 2;
const uint8_t clock_prescale_rate = 2;
/* Reset SPIFI peripheral before to Erase/Write SPIFI memory through SPI */
RESET_CTRL1 = RESET_CTRL1_SPIFI_RST;
/* initialize SSP0 */
ssp_init(SSP0_NUM,
SSP_DATA_8BITS,
SSP_FRAME_SPI,
SSP_CPOL_0_CPHA_0,
serial_clock_rate,
clock_prescale_rate,
SSP_MODE_NORMAL,
SSP_MASTER,
SSP_SLAVE_OUT_ENABLE);
/* Init SPIFI GPIO to Normal GPIO */
scu_pinmux(P3_3, (SCU_SSP_IO | SCU_CONF_FUNCTION2)); // P3_3 SPIFI_SCK => SSP0_SCK
scu_pinmux(P3_4, (SCU_GPIO_FAST | SCU_CONF_FUNCTION0)); // P3_4 SPIFI SPIFI_SIO3 IO3 => GPIO1[14]
@ -72,41 +70,33 @@ void w25q80bv_hw_init(w25q80bv_hw_t* const hw) {
/* drive SSEL, HOLD, and WP pins high */
gpio_set(PORT_FLASH, (PIN_FLASH_HOLD | PIN_FLASH_WP));
w25q80bv_spi_unselect(hw);
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
/* Set GPIO pins as outputs. */
GPIO1_DIR |= (PIN_FLASH_HOLD | PIN_FLASH_WP);
GPIO5_DIR |= PIN_SSP0_SSEL;
/* initialize SSP0 */
ssp_init(SSP0_NUM,
SSP_DATA_8BITS,
SSP_FRAME_SPI,
SSP_CPOL_0_CPHA_0,
serial_clock_rate,
clock_prescale_rate,
SSP_MODE_NORMAL,
SSP_MASTER,
SSP_SLAVE_OUT_ENABLE);
}
void w25q80bv_hw_transfer_multiple(
w25q80bv_hw_t* const hw,
const w25q80bv_transfer_t* const transfers,
void w25q80bv_spi_transfer_gather(
spi_t* const spi,
const spi_transfer_t* const transfers,
const size_t transfer_count
) {
w25q80bv_spi_select(hw);
(void)spi;
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
for(size_t i=0; i<transfer_count; i++) {
uint8_t* const p = transfers[i].data;
for(size_t j=0; j<transfers[i].count; j++) {
transfers[i].data[j] = w25q80bv_spi_transfer(hw, transfers[i].data[j]);
p[j] = ssp_transfer(SSP0_NUM, p[j]);
}
}
w25q80bv_spi_unselect(hw);
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
}
void w25q80bv_hw_transfer(w25q80bv_hw_t* const hw, uint8_t* data, const size_t count) {
const w25q80bv_transfer_t transfer = {
data, count
void w25q80bv_spi_transfer(spi_t* const spi, void* const data, const size_t count) {
const spi_transfer_t transfers[] = {
{ data, count },
};
w25q80bv_hw_transfer_multiple(hw, &transfer, 1);
w25q80bv_spi_transfer_gather(spi, transfers, 1);
}

26
firmware/common/w25q80bv_drv.h → firmware/common/w25q80bv_spi.h
View File

@ -21,27 +21,15 @@
* Boston, MA 02110-1301, USA.
*/
#ifndef __W25Q80BV_DRV_H__
#define __W25Q80BV_DRV_H__
#ifndef __W25Q80BV_SPI_H__
#define __W25Q80BV_SPI_H__
#include <stdint.h>
#include <stddef.h>
typedef struct {
uint8_t* const data;
const size_t count;
} w25q80bv_transfer_t;
#include "spi.h"
typedef struct {
/* Empty for now */
} w25q80bv_hw_t;
void w25q80bv_spi_init(spi_t* const spi);
void w25q80bv_spi_transfer_gather(spi_t* const spi, const spi_transfer_t* const transfers, const size_t transfer_count);
void w25q80bv_spi_transfer(spi_t* const spi, void* const data, const size_t count);
void w25q80bv_hw_init(w25q80bv_hw_t* const hw);
void w25q80bv_hw_transfer(w25q80bv_hw_t* const hw, uint8_t* data, const size_t count);
void w25q80bv_hw_transfer_multiple(
w25q80bv_hw_t* const hw,
const w25q80bv_transfer_t* const transfers,
const size_t transfer_count
);
#endif//__W25Q80BV_DRV_H__
#endif/*__W25Q80BV_SPI_H__*/

2
firmware/hackrf_usb/CMakeLists.txt
View File

@ -45,7 +45,7 @@ set(SRC_M4
"${PATH_HACKRF_FIRMWARE_COMMON}/usb_queue.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/fault_handler.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/w25q80bv.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/w25q80bv_drv.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/w25q80bv_spi.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/cpld_jtag.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/xapp058/lenval.c"
"${PATH_HACKRF_FIRMWARE_COMMON}/xapp058/micro.c"