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

Added process to reinitialize qspi if qspi_init is called twice without free.

pull/14063/head
Dustin Crossman 2021-01-13 13:14:25 -08:00
parent 95a5d60b65
commit ef6284cad5
1 changed files with 22 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
targets/TARGET_Cypress/TARGET_PSOC6/cy_qspi_api.c
View File

@ -25,14 +25,35 @@
extern "C" {
#endif
#if CY_IP_MXSMIF_INSTANCES == 1
static cyhal_qspi_t* qspi_ptr = NULL;
#else
#error Unhandled number of SMIF instances
#endif
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)
{
return CY_RSLT_SUCCESS == cyhal_qspi_init(&(obj->hal_qspi), io0, io1, io2, io3, NC, NC, NC, NC, sclk, ssel, hz, mode) ? QSPI_STATUS_OK : QSPI_STATUS_ERROR;
// If qspi has already been initialized, free and reinit.
if(qspi_ptr != NULL)
{
cyhal_qspi_free(qspi_ptr);
qspi_ptr = NULL;
}
cy_rslt_t result = cyhal_qspi_init(&(obj->hal_qspi), io0, io1, io2, io3, NC, NC, NC, NC, sclk, ssel, hz, mode);
if(CY_RSLT_SUCCESS != result)
{
return QSPI_STATUS_ERROR;
}
qspi_ptr = &(obj->hal_qspi);
return QSPI_STATUS_OK;
}
qspi_status_t qspi_free(qspi_t *obj)
{
cyhal_qspi_free(&(obj->hal_qspi));
qspi_ptr = NULL;
return QSPI_STATUS_OK;
}