*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
~(STM_MODER_MASK << STM_MODER_SHIFT(pin))) |
value << STM_MODER_SHIFT(pin));
}
-
-static inline vuint32_t
+
+static inline uint32_t
+stm_spread_mask(uint16_t mask) {
+ uint32_t m = mask;
+
+ /* 0000000000000000mmmmmmmmmmmmmmmm */
+ m = (m & 0xff) | ((m & 0xff00) << 8);
+ /* 00000000mmmmmmmm00000000mmmmmmmm */
+ m = (m & 0x000f000f) | ((m & 0x00f000f0) << 4);
+ /* 0000mmmm0000mmmm0000mmmm0000mmmm */
+ m = (m & 0x03030303) | ((m & 0x0c0c0c0c) << 2);
+ /* 00mm00mm00mm00mm00mm00mm00mm00mm */
+ m = (m & 0x11111111) | ((m & 0x22222222) << 2);
+ /* 0m0m0m0m0m0m0m0m0m0m0m0m0m0m0m0m */
+ return m;
+}
+
+static inline void
+stm_moder_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->moder = ((gpio->moder & ~mask32) | value32);
+}
+
+static inline uint32_t
stm_moder_get(struct stm_gpio *gpio, int pin) {
return (gpio->moder >> STM_MODER_SHIFT(pin)) & STM_MODER_MASK;
}
~(STM_OTYPER_MASK << STM_OTYPER_SHIFT(pin))) |
value << STM_OTYPER_SHIFT(pin));
}
-
-static inline vuint32_t
+
+static inline uint32_t
stm_otyper_get(struct stm_gpio *gpio, int pin) {
return (gpio->otyper >> STM_OTYPER_SHIFT(pin)) & STM_OTYPER_MASK;
}
#define STM_OSPEEDR_40MHz 3
static inline void
-stm_ospeedr_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
+stm_ospeedr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
gpio->ospeedr = ((gpio->ospeedr &
~(STM_OSPEEDR_MASK << STM_OSPEEDR_SHIFT(pin))) |
value << STM_OSPEEDR_SHIFT(pin));
}
-
-static inline vuint32_t
+
+static inline void
+stm_ospeedr_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->ospeedr = ((gpio->ospeedr & ~mask32) | value32);
+}
+
+static inline uint32_t
stm_ospeedr_get(struct stm_gpio *gpio, int pin) {
return (gpio->ospeedr >> STM_OSPEEDR_SHIFT(pin)) & STM_OSPEEDR_MASK;
}
~(STM_PUPDR_MASK << STM_PUPDR_SHIFT(pin))) |
value << STM_PUPDR_SHIFT(pin));
}
-
+
+static inline void
+stm_pupdr_set_mask(struct stm_gpio *gpio, uint16_t mask, uint32_t value) {
+ uint32_t bits32 = stm_spread_mask(mask);
+ uint32_t mask32 = 3 * bits32;
+ uint32_t value32 = (value & 3) * bits32;
+
+ gpio->pupdr = (gpio->pupdr & ~mask32) | value32;
+}
+
static inline uint32_t
stm_pupdr_get(struct stm_gpio *gpio, int pin) {
return (gpio->pupdr >> STM_PUPDR_SHIFT(pin)) & STM_PUPDR_MASK;
gpio->bsrr = ((uint32_t) (value ^ 1) << (pin + 16)) | ((uint32_t) value << pin);
}
+static inline void
+stm_gpio_set_mask(struct stm_gpio *gpio, uint16_t bits, uint16_t mask) {
+ /* Use the bit set/reset register to do this atomically */
+ gpio->bsrr = ((uint32_t) (~bits & mask) << 16) | ((uint32_t) (bits & mask));
+}
+
+static inline void
+stm_gpio_set_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = bits;
+}
+
+static inline void
+stm_gpio_clr_bits(struct stm_gpio *gpio, uint16_t bits) {
+ gpio->bsrr = ((uint32_t) bits) << 16;
+}
+
static inline uint8_t
stm_gpio_get(struct stm_gpio *gpio, int pin) {
return (gpio->idr >> pin) & 1;
}
+static inline uint16_t
+stm_gpio_get_all(struct stm_gpio *gpio) {
+ return gpio->idr;
+}
+
+/*
+ * We can't define these in registers.ld or our fancy
+ * ao_enable_gpio macro will expand into a huge pile of code
+ * as the compiler won't do correct constant folding and
+ * dead-code elimination
+ */
+
extern struct stm_gpio stm_gpioa;
extern struct stm_gpio stm_gpiob;
extern struct stm_gpio stm_gpioc;
extern struct stm_gpio stm_gpioe;
extern struct stm_gpio stm_gpioh;
+#define stm_gpioh (*((struct stm_gpio *) 0x40021400))
+#define stm_gpioe (*((struct stm_gpio *) 0x40021000))
+#define stm_gpiod (*((struct stm_gpio *) 0x40020c00))
+#define stm_gpioc (*((struct stm_gpio *) 0x40020800))
+#define stm_gpiob (*((struct stm_gpio *) 0x40020400))
+#define stm_gpioa (*((struct stm_gpio *) 0x40020000))
+
struct stm_usart {
vuint32_t sr; /* status register */
vuint32_t dr; /* data register */
#define STM_FLASH_PEKEYR_PEKEY1 0x89ABCDEF
#define STM_FLASH_PEKEYR_PEKEY2 0x02030405
+#define STM_FLASH_PRGKEYR_PRGKEY1 0x8C9DAEBF
+#define STM_FLASH_PRGKEYR_PRGKEY2 0x13141516
+
struct stm_rcc {
vuint32_t cr;
vuint32_t icscr;
#define STM_RCC_CFGR_MCOPRE_DIV_4 2
#define STM_RCC_CFGR_MCOPRE_DIV_8 3
#define STM_RCC_CFGR_MCOPRE_DIV_16 4
-#define STM_RCC_CFGR_MCOPRE_DIV_MASK 7
+#define STM_RCC_CFGR_MCOPRE_MASK 7
#define STM_RCC_CFGR_MCOSEL (24)
#define STM_RCC_CFGR_MCOSEL_DISABLE 0
#define STM_LCD_CLR_UDDC (3)
#define STM_LCD_CLR_SOFC (1)
+/* The SYSTICK starts at 0xe000e010 */
+
+struct stm_systick {
+ vuint32_t csr;
+ vuint32_t rvr;
+ vuint32_t cvr;
+ vuint32_t calib;
+};
+
+extern struct stm_systick stm_systick;
+
+#define STM_SYSTICK_CSR_ENABLE 0
+#define STM_SYSTICK_CSR_TICKINT 1
+#define STM_SYSTICK_CSR_CLKSOURCE 2
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 0
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK 1
+#define STM_SYSTICK_CSR_COUNTFLAG 16
+
/* The NVIC starts at 0xe000e100, so add that to the offsets to find the absolute address */
struct stm_nvic {
vuint32_t sc; /* 0xc10 0xe000ed10 System Control Register */
vuint32_t cc; /* 0xc14 0xe000ed14 Configuration Control Register */
- uint8_t _unusedc18[0xe00 - 0xc18];
+ vuint32_t shpr7_4; /* 0xc18 0xe000ed18 System Hander Priority Registers */
+ vuint32_t shpr11_8; /* 0xc1c */
+ vuint32_t shpr15_12; /* 0xc20 */
+
+ uint8_t _unusedc18[0xe00 - 0xc24];
vuint32_t stir; /* 0xe00 */
};
#define STM_SPI_CR2_TXDMAEN 1
#define STM_SPI_CR2_RXDMAEN 0
+#define STM_SPI_SR_FRE 8
#define STM_SPI_SR_BSY 7
#define STM_SPI_SR_OVR 6
#define STM_SPI_SR_MODF 5
#define STM_SPI_SR_CRCERR 4
+#define STM_SPI_SR_UDR 3
+#define STM_SPI_SR_CHSIDE 2
#define STM_SPI_SR_TXE 1
#define STM_SPI_SR_RXNE 0
extern struct stm_adc stm_adc;
+#define STM_ADC_SQ_TEMP 16
+#define STM_ADC_SQ_V_REF 17
+
#define STM_ADC_SR_JCNR 9
#define STM_ADC_SR_RCNR 8
#define STM_ADC_SR_ADONS 6
#define stm_temp_cal_cold 25
#define stm_temp_cal_hot 110
+struct stm_dbg_mcu {
+ uint32_t idcode;
+};
+
+extern struct stm_dbg_mcu stm_dbg_mcu;
+
+static inline uint16_t
+stm_dev_id(void) {
+ return stm_dbg_mcu.idcode & 0xfff;
+}
+
+struct stm_flash_size {
+ uint16_t f_size;
+};
+
+extern struct stm_flash_size stm_flash_size_medium;
+extern struct stm_flash_size stm_flash_size_large;
+
+/* Returns flash size in bytes */
+extern uint32_t
+stm_flash_size(void);
+
+struct stm_device_id {
+ uint32_t u_id0;
+ uint32_t u_id1;
+ uint32_t u_id2;
+};
+
+extern struct stm_device_id stm_device_id;
+
#define STM_NUM_I2C 2
#define STM_I2C_INDEX(channel) ((channel) - 1)
#define STM_I2C_CR2_FREQ_4_MHZ 4
#define STM_I2C_CR2_FREQ_8_MHZ 8
#define STM_I2C_CR2_FREQ_16_MHZ 16
+#define STM_I2C_CR2_FREQ_24_MHZ 24
#define STM_I2C_CR2_FREQ_32_MHZ 32
#define STM_I2C_CR2_FREQ_MASK 0x3f
#define STM_TIM234_SMCR_SMS_EXTERNAL_CLOCK 7
#define STM_TIM234_SMCR_SMS_MASK 7
+#define STM_TIM234_DIER_CC4IE 4
+#define STM_TIM234_DIER_CC3IE 3
+#define STM_TIM234_DIER_CC2IE 2
+#define STM_TIM234_DIER_CC1IE 1
+#define STM_TIM234_DIER_UIE 0
+
#define STM_TIM234_SR_CC4OF 12
#define STM_TIM234_SR_CC3OF 11
#define STM_TIM234_SR_CC2OF 10
#define STM_TIM234_CCMR1_OC1M_PWM_MODE_1 6
#define STM_TIM234_CCMR1_OC1M_PWM_MODE_2 7
#define STM_TIM234_CCMR1_OC1M_MASK 7
-#define STM_TIM234_CCMR1_OC1PE 11
+#define STM_TIM234_CCMR1_OC1PE 3
#define STM_TIM234_CCMR1_OC1FE 2
#define STM_TIM234_CCMR1_CC1S 0
#define STM_TIM234_CCMR1_CC1S_OUTPUT 0
#define STM_TIM234_CCMR1_CC1S_INPUT_TRC 3
#define STM_TIM234_CCMR1_CC1S_MASK 3
-#define STM_TIM234_CCMR2_OC2CE 15
+#define STM_TIM234_CCMR2_OC4CE 15
#define STM_TIM234_CCMR2_OC4M 12
#define STM_TIM234_CCMR2_OC4M_FROZEN 0
#define STM_TIM234_CCMR2_OC4M_SET_HIGH_ON_MATCH 1
#define STM_TIM234_CCMR2_OC3M_PWM_MODE_1 6
#define STM_TIM234_CCMR2_OC3M_PWM_MODE_2 7
#define STM_TIM234_CCMR2_OC3M_MASK 7
-#define STM_TIM234_CCMR2_OC3PE 11
+#define STM_TIM234_CCMR2_OC3PE 3
#define STM_TIM234_CCMR2_OC3FE 2
#define STM_TIM234_CCMR2_CC3S 0
#define STM_TIM234_CCMR2_CC3S_OUTPUT 0
#define STM_TIM234_CCER_CC4NP 15
#define STM_TIM234_CCER_CC4P 13
+#define STM_TIM234_CCER_CC4P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC4P_ACTIVE_LOW 1
#define STM_TIM234_CCER_CC4E 12
#define STM_TIM234_CCER_CC3NP 11
#define STM_TIM234_CCER_CC3P 9
+#define STM_TIM234_CCER_CC3P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC3P_ACTIVE_LOW 1
#define STM_TIM234_CCER_CC3E 8
#define STM_TIM234_CCER_CC2NP 7
#define STM_TIM234_CCER_CC2P 5
+#define STM_TIM234_CCER_CC2P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC2P_ACTIVE_LOW 1
#define STM_TIM234_CCER_CC2E 4
#define STM_TIM234_CCER_CC1NP 3
#define STM_TIM234_CCER_CC1P 1
+#define STM_TIM234_CCER_CC1P_ACTIVE_HIGH 0
+#define STM_TIM234_CCER_CC1P_ACTIVE_LOW 1
#define STM_TIM234_CCER_CC1E 0
struct stm_usb {
#define STM_USB_BDT_SIZE 8
-extern uint8_t stm_usb_sram[];
+extern uint8_t stm_usb_sram[] __attribute__ ((aligned(4)));
struct stm_exti {
vuint32_t imr;
projects / fw / altos / blobdiff