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Larger at32f403a PMA area #3757

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2 changes: 1 addition & 1 deletion README.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -184,7 +184,7 @@ Supported CPUs
| | MAX32 650, 666, 690, | ✅ | | ✅ | musb | 1-dir ep |
| | MAX78002 | | | | | |
+--------------+-----------------------------+--------+------+-----------+------------------------+--------------------+
| Artery AT32 | F403a_407, F413 | ✅ | | | stm32_fsdev | 512 USB RAM |
| Artery AT32 | F403a_407, F413 | ✅ | | | stm32_fsdev | 768 USB RAM |
| +-----------------------------+--------+------+-----------+------------------------+--------------------+
| | F415, F435_437, F423, | ✅ | ✅ | | dwc2 | |
| | F425, F45x | | | | | |
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4 changes: 3 additions & 1 deletion src/common/tusb_mcu.h
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Expand Up @@ -673,7 +673,9 @@
#elif TU_CHECK_MCU(OPT_MCU_AT32F403A_407, OPT_MCU_AT32F413)
#define TUP_USBIP_FSDEV
#define TUP_USBIP_FSDEV_AT32
#define CFG_TUSB_FSDEV_PMA_SIZE 512u
#define CFG_TUSB_FSDEV_PMA_SIZE 768u
#define CFG_TUSB_FIFO_HWFIFO_DATA_STRIDE 2
#define CFG_TUSB_FIFO_HWFIFO_ADDR_STRIDE 4

#elif TU_CHECK_MCU(OPT_MCU_AT32F415)
#define TUP_USBIP_DWC2
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2 changes: 1 addition & 1 deletion src/portable/st/stm32_fsdev/fsdev_at32.h
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Expand Up @@ -17,7 +17,7 @@

#define FSDEV_USE_SBUF_ISO 0
#define FSDEV_REG_BASE (APB1PERIPH_BASE + 0x00005C00UL)
#define FSDEV_PMA_BASE (APB1PERIPH_BASE + 0x00006000UL)
#define FSDEV_PMA_BASE (APB1PERIPH_BASE + 0x00007800UL)

#ifndef CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP
#define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 0
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5 changes: 5 additions & 0 deletions src/portable/st/stm32_fsdev/fsdev_common.c
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Expand Up @@ -33,6 +33,11 @@ void fsdev_core_reset(void) {

// Clear pending interrupts
FSDEV_REG->ISTR = 0;

#if (CFG_TUSB_MCU == OPT_MCU_AT32F403A_407) || (CFG_TUSB_MCU == OPT_MCU_AT32F413)
// Enable larger PMA area
CRM->misc1_bit.usbbufs = TRUE;
#endif
}

// De-initialize the USB Core
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