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-rw-r--r--build_rules31
-rw-r--r--gpio/gpio.h9
-rw-r--r--gpio/pin.h12
-rw-r--r--ld_scripts/stm32_f303_b.ld7
-rw-r--r--ld_scripts/stm32_f303_c.ld7
-rw-r--r--ld_scripts/stm32_f373_8.ld6
-rw-r--r--ld_scripts/stm32_f373_b.ld6
-rw-r--r--ld_scripts/stm32_f373_c.ld6
-rw-r--r--rcc/flash.cpp2
-rw-r--r--rcc/flash.h4
-rw-r--r--rcc/rcc.cpp2
-rw-r--r--rcc/rcc.h67
-rw-r--r--usart/usart.h2
-rw-r--r--usb/usb.h2
14 files changed, 145 insertions, 18 deletions
diff --git a/build_rules b/build_rules
index e0f9b59..385fde1 100644
--- a/build_rules
+++ b/build_rules
@@ -7,6 +7,12 @@ def select_arm(env, family):
TOOLCHAIN = 'arm-none-eabi-',
)
+ if family == 'cortex-m4f':
+ family = 'cortex-m4'
+ has_mcu = True
+ else:
+ has_mcu = False
+
env.Replace(
CC = '${TOOLCHAIN}gcc',
CXX = '${TOOLCHAIN}g++',
@@ -28,7 +34,7 @@ def select_arm(env, family):
CPU_FAMILY = family,
)
- if family == 'cortex-m4':
+ if has_mcu:
env.Append(CCFLAGS = ' -mhard-float')
def select_stm32(env, variant):
@@ -45,8 +51,27 @@ def select_stm32(env, variant):
'b': 'stm32_f1_b.ld',
}[flash]
+ elif family == 'f303':
+ select_arm(env, 'cortex-m4f')
+ env.Append(CPPDEFINES = ['STM32F3'])
+
+ env['LINK_SCRIPT'] = {
+ 'b': 'stm32_f303_b.ld',
+ 'c': 'stm32_f303_c.ld',
+ }[flash]
+
+ elif family == 'f373':
+ select_arm(env, 'cortex-m4f')
+ env.Append(CPPDEFINES = ['STM32F3'])
+
+ env['LINK_SCRIPT'] = {
+ '8': 'stm32_f373_8.ld',
+ 'b': 'stm32_f373_b.ld',
+ 'c': 'stm32_f373_c.ld',
+ }[flash]
+
elif family in ('f405', 'f407'):
- select_arm(env, 'cortex-m4')
+ select_arm(env, 'cortex-m4f')
env.Append(CPPDEFINES = ['STM32F4'])
env['LINK_SCRIPT'] = {
@@ -55,7 +80,7 @@ def select_stm32(env, variant):
}[flash]
else:
- print 'Unknown stm32 family: %s' % mcu
+ print 'Unknown stm32 family: %s' % family
Exit(1)
def SelectMCU(env, mcu, variant_dir = None):
diff --git a/gpio/gpio.h b/gpio/gpio.h
index 9a693df..b7dd163 100644
--- a/gpio/gpio.h
+++ b/gpio/gpio.h
@@ -12,7 +12,7 @@ struct GPIO_reg_t {
volatile uint32_t BSRR;
volatile uint32_t BRR;
volatile uint32_t LCKR;
- #elif defined(STM32F4)
+ #elif defined(STM32F3) || defined(STM32F4)
volatile uint32_t MODER;
volatile uint32_t OTYPER;
volatile uint32_t OSPEEDR;
@@ -38,6 +38,13 @@ static GPIO_t GPIOA(0x40010800);
static GPIO_t GPIOB(0x40010c00);
static GPIO_t GPIOC(0x40011000);
static GPIO_t GPIOD(0x40011400);
+#elif defined(STM32F3)
+static GPIO_t GPIOA(0x48000000);
+static GPIO_t GPIOB(0x48000400);
+static GPIO_t GPIOC(0x48000800);
+static GPIO_t GPIOD(0x48000c00);
+static GPIO_t GPIOE(0x48001000);
+static GPIO_t GPIOF(0x48001400);
#elif defined(STM32F4)
static GPIO_t GPIOA(0x40020000);
static GPIO_t GPIOB(0x40020400);
diff --git a/gpio/pin.h b/gpio/pin.h
index 485cb33..d8089d3 100644
--- a/gpio/pin.h
+++ b/gpio/pin.h
@@ -17,7 +17,7 @@ class Pin {
Output = 0x3,
AF = 0xb,
Analog = 0x0,
- #elif defined(STM32F4)
+ #elif defined(STM32F3) || defined(STM32F4)
Input,
Output,
AF,
@@ -50,7 +50,7 @@ class Pin {
} else {
g.reg.CRH = (g.reg.CRH & ~(0xf << (n * 4 - 32))) | m << (n * 4 - 32);
}
- #elif defined(STM32F4)
+ #elif defined(STM32F3) || defined(STM32F4)
g.reg.MODER = (g.reg.MODER & ~(3 << (n * 2))) | m << (n * 2);
#endif
}
@@ -58,7 +58,7 @@ class Pin {
void set_type(Type t) {
#if defined(STM32F1)
// TODO: Unified configure() method?
- #elif defined(STM32F4)
+ #elif defined(STM32F3) || defined(STM32F4)
if(t) {
g.reg.OTYPER |= 1 << n;
} else {
@@ -70,13 +70,13 @@ class Pin {
void set_pull(Pull p) {
#if defined(STM32F1)
// TODO: Unified configure() method?
- #elif defined(STM32F4)
+ #elif defined(STM32F3) || defined(STM32F4)
g.reg.PUPDR = (g.reg.PUPDR & ~(3 << (n * 2))) | p << (n * 2);
#endif
}
void set_af(int af) {
- #if defined(STM32F4)
+ #if defined(STM32F3) || defined(STM32F4)
if(n < 8) {
g.reg.AFRL = (g.reg.AFRL & ~(0xf << (n * 4))) | af << (n * 4);
} else {
@@ -86,7 +86,7 @@ class Pin {
}
void set_speed(Speed s) {
- #if defined(STM32F4)
+ #if defined(STM32F3) || defined(STM32F4)
g.reg.OSPEEDR = (g.reg.OSPEEDR & ~(3 << (n * 2))) | s << (n * 2);
#endif
}
diff --git a/ld_scripts/stm32_f303_b.ld b/ld_scripts/stm32_f303_b.ld
new file mode 100644
index 0000000..a0cb6b1
--- /dev/null
+++ b/ld_scripts/stm32_f303_b.ld
@@ -0,0 +1,7 @@
+MEMORY {
+ flash (rx) : org = 0x08000000, len = 128k
+ ram (rwx) : org = 0x20000000, len = 32k
+ ccm (rwx) : org = 0x10000000, len = 8k
+}
+
+INCLUDE "arm_flash_ram.ld"
diff --git a/ld_scripts/stm32_f303_c.ld b/ld_scripts/stm32_f303_c.ld
new file mode 100644
index 0000000..4cc4894
--- /dev/null
+++ b/ld_scripts/stm32_f303_c.ld
@@ -0,0 +1,7 @@
+MEMORY {
+ flash (rx) : org = 0x08000000, len = 256k
+ ram (rwx) : org = 0x20000000, len = 40k
+ ccm (rwx) : org = 0x10000000, len = 8k
+}
+
+INCLUDE "arm_flash_ram.ld"
diff --git a/ld_scripts/stm32_f373_8.ld b/ld_scripts/stm32_f373_8.ld
new file mode 100644
index 0000000..929ee6e
--- /dev/null
+++ b/ld_scripts/stm32_f373_8.ld
@@ -0,0 +1,6 @@
+MEMORY {
+ flash (rx) : org = 0x08000000, len = 64k
+ ram (rwx) : org = 0x20000000, len = 16k
+}
+
+INCLUDE "arm_flash_ram.ld"
diff --git a/ld_scripts/stm32_f373_b.ld b/ld_scripts/stm32_f373_b.ld
new file mode 100644
index 0000000..ab6620c
--- /dev/null
+++ b/ld_scripts/stm32_f373_b.ld
@@ -0,0 +1,6 @@
+MEMORY {
+ flash (rx) : org = 0x08000000, len = 128k
+ ram (rwx) : org = 0x20000000, len = 24k
+}
+
+INCLUDE "arm_flash_ram.ld"
diff --git a/ld_scripts/stm32_f373_c.ld b/ld_scripts/stm32_f373_c.ld
new file mode 100644
index 0000000..812a041
--- /dev/null
+++ b/ld_scripts/stm32_f373_c.ld
@@ -0,0 +1,6 @@
+MEMORY {
+ flash (rx) : org = 0x08000000, len = 256k
+ ram (rwx) : org = 0x20000000, len = 32k
+}
+
+INCLUDE "arm_flash_ram.ld"
diff --git a/rcc/flash.cpp b/rcc/flash.cpp
index 2b0fb69..528ba57 100644
--- a/rcc/flash.cpp
+++ b/rcc/flash.cpp
@@ -1,7 +1,7 @@
#include "flash.h"
void flash_init() {
- #if defined(STM32F1)
+ #if defined(STM32F1) || defined(STM32F3)
// Set flash latency.
FLASH.ACR = 0x12;
diff --git a/rcc/flash.h b/rcc/flash.h
index 30d30a5..abb3484 100644
--- a/rcc/flash.h
+++ b/rcc/flash.h
@@ -9,7 +9,7 @@ struct FLASH_t {
volatile uint32_t OPTKEYR;
volatile uint32_t SR;
volatile uint32_t CR;
- #if defined(STM32F1)
+ #if defined(STM32F1) || defined(STM32F3)
volatile uint32_t AR;
volatile uint32_t RESERVED;
volatile uint32_t OBR;
@@ -19,7 +19,7 @@ struct FLASH_t {
#endif
};
-#if defined(STM32F1)
+#if defined(STM32F1) || defined(STM32F3)
static FLASH_t& FLASH = *(FLASH_t*)0x40022000;
#elif defined(STM32F4)
static FLASH_t& FLASH = *(FLASH_t*)0x40023c00;
diff --git a/rcc/rcc.cpp b/rcc/rcc.cpp
index 57b8f7d..6028cdc 100644
--- a/rcc/rcc.cpp
+++ b/rcc/rcc.cpp
@@ -5,7 +5,7 @@ void rcc_init() {
// Initialize flash.
flash_init();
- #if defined(STM32F1)
+ #if defined(STM32F1) || defined(STM32F3)
// Enable HSE.
RCC.CR |= 0x10000;
diff --git a/rcc/rcc.h b/rcc/rcc.h
index 55cd1f8..6307919 100644
--- a/rcc/rcc.h
+++ b/rcc/rcc.h
@@ -15,6 +15,20 @@ struct RCC_t {
volatile uint32_t APB1ENR;
volatile uint32_t BDCR;
volatile uint32_t CSR;
+ #elif defined(STM32F3)
+ volatile uint32_t CR;
+ volatile uint32_t CFGR;
+ volatile uint32_t CIR;
+ volatile uint32_t APB2RSTR;
+ volatile uint32_t APB1RSTR;
+ volatile uint32_t AHBENR;
+ volatile uint32_t APB2ENR;
+ volatile uint32_t APB1ENR;
+ volatile uint32_t BDCR;
+ volatile uint32_t CSR;
+ volatile uint32_t AHBRSTR;
+ volatile uint32_t CFGR2;
+ volatile uint32_t CFGR3;
#elif defined(STM32F4)
volatile uint32_t CR;
volatile uint32_t PLLCFGR;
@@ -109,6 +123,55 @@ struct RCC_t {
TIM10 = 1 << 20,
TIM11 = 1 << 21
};
+ #elif defined(STM32F3)
+ enum AHB_dev {
+ DMA1 = 1 << 0,
+ DMA2 = 1 << 1,
+ SRAM = 1 << 2,
+ FLITF = 1 << 4,
+ CRC = 1 << 6,
+ GPIOA = 1 << 17,
+ GPIOB = 1 << 18,
+ GPIOC = 1 << 19,
+ GPIOD = 1 << 20,
+ GPIOE = 1 << 21,
+ GPIOF = 1 << 22,
+ TSC = 1 << 24,
+ ADC12 = 1 << 28,
+ ADC34 = 1 << 29,
+ };
+
+ enum APB1_dev {
+ TIM2 = 1 << 0,
+ TIM3 = 1 << 1,
+ TIM4 = 1 << 2,
+ TIM6 = 1 << 4,
+ TIM7 = 1 << 5,
+ WWDG = 1 << 11,
+ SPI2 = 1 << 14,
+ SPI3 = 1 << 15,
+ USART2 = 1 << 17,
+ USART3 = 1 << 18,
+ UART4 = 1 << 19,
+ UART5 = 1 << 20,
+ I2C1 = 1 << 21,
+ I2C2 = 1 << 22,
+ USB = 1 << 23,
+ CAN = 1 << 25,
+ PWR = 1 << 28,
+ DAC = 1 << 29,
+ };
+
+ enum APB2_dev {
+ SYSCFG = 1 << 0,
+ TIM1 = 1 << 11,
+ SPI1 = 1 << 12,
+ TIM8 = 1 << 13,
+ USART1 = 1 << 14,
+ TIM15 = 1 << 16,
+ TIM16 = 1 << 17,
+ TIM17 = 1 << 18,
+ };
#elif defined(STM32F4)
enum AHB1_dev {
GPIOA = 1 << 0,
@@ -181,7 +244,7 @@ struct RCC_t {
};
#endif
- #if defined(STM32F1)
+ #if defined(STM32F1) || defined(STM32F3)
inline void enable(AHB_dev dev) {
AHBENR |= dev;
}
@@ -207,7 +270,7 @@ struct RCC_t {
}
};
-#if defined(STM32F1)
+#if defined(STM32F1) || defined(STM32F3)
static RCC_t& RCC = *(RCC_t*)0x40021000;
#elif defined(STM32F4)
static RCC_t& RCC = *(RCC_t*)0x40023800;
diff --git a/usart/usart.h b/usart/usart.h
index 38f1879..567ccd1 100644
--- a/usart/usart.h
+++ b/usart/usart.h
@@ -43,7 +43,7 @@ class USART_t {
}
};
-#if defined(STM32F1)
+#if defined(STM32F1) || defined(STM32F3)
static USART_t USART1(0x40013800, 72000000);
static USART_t USART2(0x40004400, 36000000);
static USART_t USART3(0x40004800, 36000000);
diff --git a/usb/usb.h b/usb/usb.h
index 6f2ac5e..b6a45f2 100644
--- a/usb/usb.h
+++ b/usb/usb.h
@@ -1,7 +1,7 @@
#ifndef USB_H
#define USB_H
-#if defined(STM32F1)
+#if defined(STM32F1) || defined(STM32F3)
#include "f1_usb.h"
static F1_USB_t USB(0x40005c00, 0x40006000);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 16:29:28 +0100