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Trying to get USB init

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This commit is contained in:
Scott Shawcroft
2021-10-12 16:47:53 -07:00
parent 98ab8117d6
commit 4ab14867da
4 changed files with 71 additions and 47 deletions
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27
hw/bsp/raspberrypi4/family.c
View File

@@ -27,14 +27,17 @@
#include "bsp/board.h"
#include "board.h"
#include "broadcom/interrupts.h"
#include "broadcom/io.h"
#include "broadcom/mmu.h"
#include "broadcom/vcmailbox.h"
uint32_t SystemCoreClock = 700 * 1000 * 1000;
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void OTG_FS_IRQHandler(void)
void USB_IRQHandler(void)
{
tud_int_handler(0);
}
@@ -54,6 +57,9 @@ void print(const char* str) {
void board_init(void)
{
gpio_initOutputPinWithPullNone(18);
gpio_initOutputPinWithPullNone(19);
gpio_initOutputPinWithPullNone(20);
gpio_initOutputPinWithPullNone(21);
gpio_setPinOutputBool(18, true);
gpio_initOutputPinWithPullNone(42);
setup_mmu_flat_map();
@@ -72,11 +78,17 @@ void board_init(void)
}
gpio_setPinOutputBool(42, true);
gpio_setPinOutputBool(18, true);
gpio_setPinOutputBool(19, true);
gpio_setPinOutputBool(20, true);
gpio_setPinOutputBool(21, true);
for (size_t j = 0; j < 1000000; j++) {
__asm__("nop");
}
gpio_setPinOutputBool(42, false);
gpio_setPinOutputBool(18, false);
gpio_setPinOutputBool(19, false);
gpio_setPinOutputBool(20, false);
gpio_setPinOutputBool(21, false);
}
// uart_writeText("hello from io\n");
// gpio_setPinOutputBool(24, true);
@@ -98,11 +110,18 @@ void board_init(void)
// }
// while (1) uart_update();
printf("hello %d\r\n", 21);
// Turn on USB peripheral.
print("Turning on USB power\r\n");
vcmailbox_set_power_state(VCMAILBOX_DEVICE_USB_HCD, true);
print("USB power on\r\n");
BP_SetPriority(USB_IRQn, 0x00);
BP_ClearPendingIRQ(USB_IRQn);
BP_EnableIRQ(USB_IRQn);
BP_EnableIRQs();
}
void board_led_write(bool state)
@@ -125,10 +144,12 @@ int board_uart_write(void const * buf, int len)
{
for (int i = 0; i < len; i++) {
const char* cbuf = buf;
while (!UART1->STAT_b.TX_READY) {}
if (cbuf[i] == '\n') {
uart_writeByteBlockingActual('\r');
UART1->IO = '\r';
while (!UART1->STAT_b.TX_READY) {}
}
uart_writeByteBlockingActual(cbuf[i]);
UART1->IO = cbuf[i];
}
return len;
}

1
hw/bsp/raspberrypi4/family.mk
View File

@@ -18,6 +18,7 @@ CFLAGS += \
SRC_C += \
src/portable/broadcom/synopsys/dcd_synopsys.c \
$(MCU_DIR)/broadcom/gen/interrupt_handlers.c \
$(MCU_DIR)/broadcom/interrupts.c \
$(MCU_DIR)/broadcom/io.c \
$(MCU_DIR)/broadcom/mmu.c \