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Use UART_DEBUG

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This commit is contained in:
cpq
2023-02-01 21:08:24 +00:00
parent 56a33fd4c5
commit d76e69f9a7
4 changed files with 14 additions and 12 deletions
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examples/stm32/nucleo-f746zg-baremetal/Makefile
+8 -9
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@@ -1,16 +1,15 @@
TARGET = firmware
ROOT ?= $(realpath $(CURDIR)/../../..)
CFLAGS ?= -W -Wall -Wextra -Werror -Wundef -Wshadow -Wdouble-promotion \
-Wformat-truncation -fno-common -Wconversion \
-g3 -Os -ffunction-sections -fdata-sections -I. -I$(ROOT) \
-DMG_ARCH=MG_ARCH_NEWLIB -DMIP_DEBUG=1 -DMG_ENABLE_PACKED_FS=1 \
-DMG_ENABLE_CUSTOM_MILLIS=1 -DxMG_ENABLE_LINES=1 -DMG_ENABLE_MIP=1 \
-mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 $(EXTRA_CFLAGS)
-Wformat-truncation -fno-common -Wconversion \
-g3 -Os -ffunction-sections -fdata-sections -I. \
-mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-sp-d16 $(EXTRA_CFLAGS)
LDFLAGS ?= -Tlink.ld -nostartfiles -nostdlib --specs nano.specs -lc -lgcc -Wl,--gc-sections -Wl,-Map=$@.map
SOURCES = boot.c main.c syscalls.c \
$(ROOT)/mongoose.c \
$(ROOT)/examples/device-dashboard/packed_fs.c \
$(ROOT)/examples/device-dashboard/net.c
SOURCES = boot.c main.c syscalls.c
# Add Mongoose-specific flags and source files
CFLAGS += -I../../.. -DMG_ARCH=MG_ARCH_NEWLIB -DMG_ENABLE_CUSTOM_MILLIS=1 -DMG_ENABLE_MIP=1 -DMG_ENABLE_PACKED_FS=1
SOURCES += ../../../mongoose.c ../../device-dashboard/net.c ../../device-dashboard/packed_fs.c
all build example: $(TARGET).bin
examples/stm32/nucleo-f746zg-baremetal/main.c
+1 -2
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@@ -37,14 +37,13 @@ void EXTI15_10_IRQHandler(void) { // External interrupt handler
}
int main(void) {
static struct uart *uart = UART3; // Use UART3 - its attached to debug
clock_init(); // Set clock to 216MHz
systick_init(SYS_FREQUENCY / 1000); // Increment s_ticks every ms
gpio_output(LED1); // Setup green LED
gpio_output(LED2); // Setup blue LED
gpio_input(BTN1); // Set button to input
irq_exti_attach(BTN1); // Attach BTN1 to exti
uart_init(uart, 115200); // It is wired to the debug port
uart_init(UART_DEBUG, 115200); // It is wired to the debug port
// Initialise Ethernet. Enable MAC GPIO pins, see
// https://www.farnell.com/datasheets/2014265.pdf section 6.10
examples/stm32/nucleo-f746zg-baremetal/mcu.h
+4
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@@ -158,6 +158,10 @@ struct uart {
#define UART2 ((struct uart *) 0x40004400)
#define UART3 ((struct uart *) 0x40004800)
#ifndef UART_DEBUG
#define UART_DEBUG UART3
#endif
static inline void uart_init(struct uart *uart, unsigned long baud) {
// https://www.st.com/resource/en/datasheet/stm32f746zg.pdf
uint8_t af = 7; // Alternate function
examples/stm32/nucleo-f746zg-baremetal/syscalls.c
+1 -1
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@@ -53,7 +53,7 @@ int _getpid(void) {
int _write(int fd, char *ptr, int len) {
(void) fd, (void) ptr, (void) len;
if (fd == 1) uart_write_buf(UART3, ptr, (size_t) len);
if (fd == 1) uart_write_buf(UART_DEBUG, ptr, (size_t) len);
return -1;
}