ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add qspi_init_direct() function to HAL API

pull/11892/head
Przemyslaw Stekiel 2019-09-23 14:33:20 +02:00
parent ba12228556
commit 2970e5c699
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hal/qspi_api.h
View File

@ -39,6 +39,22 @@ extern "C" {
*/
typedef struct qspi_s qspi_t;
typedef struct {
int peripheral;
PinName data0_pin;
int data0_function;
PinName data1_pin;
int data1_function;
PinName data2_pin;
int data2_function;
PinName data3_pin;
int data3_function;
PinName sclk_pin;
int sclk_function;
PinName ssel_pin;
int ssel_function;
} qspi_pinmap_t;
/** QSPI Bus width
*
* Some parts of commands provide variable bus width
@ -124,6 +140,20 @@ typedef enum qspi_status {
*/
qspi_status_t qspi_init(qspi_t *obj, PinName io0, PinName io1, PinName io2, PinName io3, PinName sclk, PinName ssel, uint32_t hz, uint8_t mode);
/** Initialize QSPI peripheral.
*
* It should initialize QSPI pins (io0-io3, sclk and ssel), set frequency, clock polarity and phase mode. The clock for the peripheral should be enabled
*
* @param obj QSPI object
* @param pinmap pointer to structure which holds static pinmap
* @param hz The bus frequency
* @param mode Clock polarity and phase mode (0 - 3)
* @return QSPI_STATUS_OK if initialisation successfully executed
QSPI_STATUS_INVALID_PARAMETER if invalid parameter found
QSPI_STATUS_ERROR otherwise
*/
qspi_status_t qspi_init_direct(qspi_t *obj, const qspi_pinmap_t *pinmap, uint32_t hz, uint8_t mode);
/** Deinitilize QSPI peripheral
*
* It should release pins that are associated with the QSPI object, and disable clocks for QSPI peripheral module that was associated with the object