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🎨 Misc. USB flash code cleanup
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thinkyhead committed Apr 10, 2022
1 parent 7ff5e02 commit e4a8c69
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Showing 2 changed files with 19 additions and 18 deletions.
20 changes: 11 additions & 9 deletions Marlin/src/sd/usb_flashdrive/Sd2Card_FlashDrive.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,8 @@
#define USB_NO_TEST_UNIT_READY // Required for removable media adapter
#define USB_HOST_MANUAL_POLL // Optimization to shut off IRQ automatically

// Workarounds for keeping Marlin's watchdog timer from barking...
void marlin_yield() {
thermalManager.manage_heater();
}
// Workarounds to keep Marlin's watchdog timer from barking...
void marlin_yield() { thermalManager.manage_heater(); }
#define SYSTEM_OR_SPECIAL_YIELD(...) marlin_yield();
#define delay(x) safe_delay(x)

Expand All @@ -82,6 +80,7 @@

#define UHS_START (usb.Init() == 0)
#define UHS_STATE(state) UHS_USB_HOST_STATE_##state

#elif ENABLED(USE_OTG_USB_HOST)

#if HAS_SD_HOST_DRIVE
Expand All @@ -93,7 +92,9 @@
#define UHS_START usb.start()
#define rREVISION 0
#define UHS_STATE(state) USB_STATE_##state

#else

#include "lib-uhs2/Usb.h"
#include "lib-uhs2/masstorage.h"

Expand All @@ -102,6 +103,7 @@

#define UHS_START usb.start()
#define UHS_STATE(state) USB_STATE_##state

#endif

#include "Sd2Card_FlashDrive.h"
Expand Down Expand Up @@ -271,11 +273,11 @@ bool DiskIODriver_USBFlash::init(const uint8_t, const pin_t) {
if (!isInserted()) return false;

#if USB_DEBUG >= 1
const uint32_t sectorSize = bulk.GetSectorSize(0);
if (sectorSize != 512) {
SERIAL_ECHOLNPGM("Expecting sector size of 512. Got: ", sectorSize);
return false;
}
const uint32_t sectorSize = bulk.GetSectorSize(0);
if (sectorSize != 512) {
SERIAL_ECHOLNPGM("Expecting sector size of 512. Got: ", sectorSize);
return false;
}
#endif

#if USB_DEBUG >= 3
Expand Down
17 changes: 8 additions & 9 deletions Marlin/src/sd/usb_flashdrive/lib-uhs2/usbhost.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -27,19 +27,18 @@

#if ENABLED(USB_FLASH_DRIVE_SUPPORT) && DISABLED(USE_UHS3_USB)

#if !PINS_EXIST(USB_CS, USB_INTR)
#error "USB_FLASH_DRIVE_SUPPORT requires USB_CS_PIN and USB_INTR_PIN to be defined."
#endif

#include "Usb.h"
#include "usbhost.h"

uint8_t MAX3421e::vbusState = 0;

// constructor
void MAX3421e::cs() {
WRITE(USB_CS_PIN,0);
}

void MAX3421e::ncs() {
WRITE(USB_CS_PIN,1);
}
void MAX3421e::cs() { WRITE(USB_CS_PIN, LOW); }
void MAX3421e::ncs() { WRITE(USB_CS_PIN, HIGH); }

// write single byte into MAX3421 register
void MAX3421e::regWr(uint8_t reg, uint8_t data) {
Expand Down Expand Up @@ -76,8 +75,8 @@ uint8_t MAX3421e::regRd(uint8_t reg) {
ncs();
return rv;
}
// multiple-byte register read

// multiple-byte register read
// return a pointer to a memory position after last read
uint8_t* MAX3421e::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t *data_p) {
cs();
Expand All @@ -86,8 +85,8 @@ uint8_t* MAX3421e::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t *data_p) {
ncs();
return data_p;
}
// GPIO read. See gpioWr for explanation

// GPIO read. See gpioWr for explanation
// GPIN pins are in high nybbles of IOPINS1, IOPINS2
uint8_t MAX3421e::gpioRd() {
return (regRd(rIOPINS2) & 0xF0) | // pins 4-7, clean lower nybble
Expand Down

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