static inline void
stm_afr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
+ /*
+ * Set alternate pin mode too
+ */
+ stm_moder_set(gpio, pin, STM_MODER_ALTERNATE);
if (pin < 8)
gpio->afrl = ((gpio->afrl &
~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
}
}
+static inline void
+stm_gpio_set(struct stm_gpio *gpio, int pin, uint8_t value) {
+ /* Use the bit set/reset register to do this atomically */
+ gpio->bsrr = ((uint32_t) (value ^ 1) << (pin + 16)) | ((uint32_t) value << pin);
+}
+
+static inline uint8_t
+stm_gpio_isset(struct stm_gpio *gpio, int pin) {
+ return (gpio->idr >> pin) & 1;
+}
+
extern struct stm_gpio stm_gpioa;
extern struct stm_gpio stm_gpiob;
extern struct stm_gpio stm_gpioc;
};
extern struct stm_usart stm_usart1;
+extern struct stm_usart stm_usart2;
+extern struct stm_usart stm_usart3;
#define STM_USART_SR_CTS (9) /* CTS flag */
#define STM_USART_SR_LBD (8) /* LIN break detection flag */
#define STM_USART_CR3_IREN (1) /* IrDA mode enable */
#define STM_USART_CR3_EIE (0) /* Error interrupt enable */
-struct stm_spi {
-};
-
-extern struct stm_spi stm_spi1;
-
struct stm_tim {
};
#define STM_RCC_APB1ENR_TIM3EN (1)
#define STM_RCC_APB1ENR_TIM2EN (0)
+#define STM_RCC_CSR_LPWRRSTF (31)
+#define STM_RCC_CSR_WWDGRSTF (30)
+#define STM_RCC_CSR_IWDGRSTF (29)
+#define STM_RCC_CSR_SFTRSTF (28)
+#define STM_RCC_CSR_PORRSTF (27)
+#define STM_RCC_CSR_PINRSTF (26)
+#define STM_RCC_CSR_OBLRSTF (25)
+#define STM_RCC_CSR_RMVF (24)
+#define STM_RCC_CSR_RTFRST (23)
+#define STM_RCC_CSR_RTCEN (22)
+#define STM_RCC_CSR_RTCSEL (16)
+
+#define STM_RCC_CSR_RTCSEL_NONE 0
+#define STM_RCC_CSR_RTCSEL_LSE 1
+#define STM_RCC_CSR_RTCSEL_LSI 2
+#define STM_RCC_CSR_RTCSEL_HSE 3
+#define STM_RCC_CSR_RTCSEL_MASK 3
+
+#define STM_RCC_CSR_LSEBYP (10)
+#define STM_RCC_CSR_LSERDY (9)
+#define STM_RCC_CSR_LSEON (8)
+#define STM_RCC_CSR_LSIRDY (1)
+#define STM_RCC_CSR_LSION (0)
+
struct stm_pwr {
vuint32_t cr;
vuint32_t csr;
#define STM_TIM67_EGR_UG (0)
+struct stm_lcd {
+ vuint32_t cr;
+ vuint32_t fcr;
+ vuint32_t sr;
+ vuint32_t clr;
+ uint32_t unused_0x10;
+ vuint32_t ram[8*2];
+};
+
+extern struct stm_lcd stm_lcd;
+
+#define STM_LCD_CR_MUX_SEG (7)
+
+#define STM_LCD_CR_BIAS (5)
+#define STM_LCD_CR_BIAS_1_4 0
+#define STM_LCD_CR_BIAS_1_2 1
+#define STM_LCD_CR_BIAS_1_3 2
+#define STM_LCD_CR_BIAS_MASK 3
+
+#define STM_LCD_CR_DUTY (2)
+#define STM_LCD_CR_DUTY_STATIC 0
+#define STM_LCD_CR_DUTY_1_2 1
+#define STM_LCD_CR_DUTY_1_3 2
+#define STM_LCD_CR_DUTY_1_4 3
+#define STM_LCD_CR_DUTY_1_8 4
+#define STM_LCD_CR_DUTY_MASK 7
+
+#define STM_LCD_CR_VSEL (1)
+#define STM_LCD_CR_LCDEN (0)
+
+#define STM_LCD_FCR_PS (22)
+#define STM_LCD_FCR_PS_1 0x0
+#define STM_LCD_FCR_PS_2 0x1
+#define STM_LCD_FCR_PS_4 0x2
+#define STM_LCD_FCR_PS_8 0x3
+#define STM_LCD_FCR_PS_16 0x4
+#define STM_LCD_FCR_PS_32 0x5
+#define STM_LCD_FCR_PS_64 0x6
+#define STM_LCD_FCR_PS_128 0x7
+#define STM_LCD_FCR_PS_256 0x8
+#define STM_LCD_FCR_PS_512 0x9
+#define STM_LCD_FCR_PS_1024 0xa
+#define STM_LCD_FCR_PS_2048 0xb
+#define STM_LCD_FCR_PS_4096 0xc
+#define STM_LCD_FCR_PS_8192 0xd
+#define STM_LCD_FCR_PS_16384 0xe
+#define STM_LCD_FCR_PS_32768 0xf
+#define STM_LCD_FCR_PS_MASK 0xf
+
+#define STM_LCD_FCR_DIV (18)
+#define STM_LCD_FCR_DIV_16 0x0
+#define STM_LCD_FCR_DIV_17 0x1
+#define STM_LCD_FCR_DIV_18 0x2
+#define STM_LCD_FCR_DIV_19 0x3
+#define STM_LCD_FCR_DIV_20 0x4
+#define STM_LCD_FCR_DIV_21 0x5
+#define STM_LCD_FCR_DIV_22 0x6
+#define STM_LCD_FCR_DIV_23 0x7
+#define STM_LCD_FCR_DIV_24 0x8
+#define STM_LCD_FCR_DIV_25 0x9
+#define STM_LCD_FCR_DIV_26 0xa
+#define STM_LCD_FCR_DIV_27 0xb
+#define STM_LCD_FCR_DIV_28 0xc
+#define STM_LCD_FCR_DIV_29 0xd
+#define STM_LCD_FCR_DIV_30 0xe
+#define STM_LCD_FCR_DIV_31 0xf
+#define STM_LCD_FCR_DIV_MASK 0xf
+
+#define STM_LCD_FCR_BLINK (16)
+#define STM_LCD_FCR_BLINK_DISABLE 0
+#define STM_LCD_FCR_BLINK_SEG0_COM0 1
+#define STM_LCD_FCR_BLINK_SEG0_COMALL 2
+#define STM_LCD_FCR_BLINK_SEGALL_COMALL 3
+#define STM_LCD_FCR_BLINK_MASK 3
+
+#define STM_LCD_FCR_BLINKF (13)
+#define STM_LCD_FCR_BLINKF_8 0
+#define STM_LCD_FCR_BLINKF_16 1
+#define STM_LCD_FCR_BLINKF_32 2
+#define STM_LCD_FCR_BLINKF_64 3
+#define STM_LCD_FCR_BLINKF_128 4
+#define STM_LCD_FCR_BLINKF_256 5
+#define STM_LCD_FCR_BLINKF_512 6
+#define STM_LCD_FCR_BLINKF_1024 7
+#define STM_LCD_FCR_BLINKF_MASK 7
+
+#define STM_LCD_FCR_CC (10)
+#define STM_LCD_FCR_CC_MASK 7
+
+#define STM_LCD_FCR_DEAD (7)
+#define STM_LCD_FCR_DEAD_MASK 7
+
+#define STM_LCD_FCR_PON (4)
+#define STM_LCD_FCR_PON_MASK 7
+
+#define STM_LCD_FCR_UDDIE (3)
+#define STM_LCD_FCR_SOFIE (1)
+#define STM_LCD_FCR_HD (0)
+
+#define STM_LCD_SR_FCRSF (5)
+#define STM_LCD_SR_RDY (4)
+#define STM_LCD_SR_UDD (3)
+#define STM_LCD_SR_UDR (2)
+#define STM_LCD_SR_SOF (1)
+#define STM_LCD_SR_ENS (0)
+
+#define STM_LCD_CLR_UDDC (3)
+#define STM_LCD_CLR_SOFC (1)
+
struct stm_nvic {
vuint32_t iser[3]; /* 0x000 */
isr(tim6)
isr(tim7)
-#define STM_ISR_TIM9_POS 25
-#define STM_ISR_TIM10_POS 26
-#define STM_ISR_TIM11_POS 27
-#define STM_ISR_TIM2_POS 28
-#define STM_ISR_TIM3_POS 29
-#define STM_ISR_TIM4_POS 30
-
-#define STM_ISR_SPI1_POS 35
-#define STM_ISR_SPI2_POS 36
-#define STM_ISR_USART1_POS 37
-#define STM_ISR_USART2_POS 38
-#define STM_ISR_USART3_POS 39
-#define STM_ISR_TIM6_POS 43
-#define STM_ISR_TIM7_POS 44
-
#undef isr
+#define STM_ISR_WWDG_POS 0
+#define STM_ISR_PVD_POS 1
+#define STM_ISR_TAMPER_STAMP_POS 2
+#define STM_ISR_RTC_WKUP_POS 3
+#define STM_ISR_FLASH_POS 4
+#define STM_ISR_RCC_POS 5
+#define STM_ISR_EXTI0_POS 6
+#define STM_ISR_EXTI1_POS 7
+#define STM_ISR_EXTI2_POS 8
+#define STM_ISR_EXTI3_POS 9
+#define STM_ISR_EXTI4_POS 10
+#define STM_ISR_DMA1_CHANNEL1_POS 11
+#define STM_ISR_DMA2_CHANNEL1_POS 12
+#define STM_ISR_DMA3_CHANNEL1_POS 13
+#define STM_ISR_DMA4_CHANNEL1_POS 14
+#define STM_ISR_DMA5_CHANNEL1_POS 15
+#define STM_ISR_DMA6_CHANNEL1_POS 16
+#define STM_ISR_DMA7_CHANNEL1_POS 17
+#define STM_ISR_ADC1_POS 18
+#define STM_ISR_USB_HP_POS 19
+#define STM_ISR_USB_LP_POS 20
+#define STM_ISR_DAC_POS 21
+#define STM_ISR_COMP_POS 22
+#define STM_ISR_EXTI9_5_POS 23
+#define STM_ISR_LCD_POS 24
+#define STM_ISR_TIM9_POS 25
+#define STM_ISR_TIM10_POS 26
+#define STM_ISR_TIM11_POS 27
+#define STM_ISR_TIM2_POS 28
+#define STM_ISR_TIM3_POS 29
+#define STM_ISR_TIM4_POS 30
+#define STM_ISR_I2C1_EV_POS 31
+#define STM_ISR_I2C1_ER_POS 32
+#define STM_ISR_I2C2_EV_POS 33
+#define STM_ISR_I2C2_ER_POS 34
+#define STM_ISR_SPI1_POS 35
+#define STM_ISR_SPI2_POS 36
+#define STM_ISR_USART1_POS 37
+#define STM_ISR_USART2_POS 38
+#define STM_ISR_USART3_POS 39
+#define STM_ISR_EXTI15_10_POS 40
+#define STM_ISR_RTC_ALARM_POS 41
+#define STM_ISR_USB_FS_WKUP_POS 42
+#define STM_ISR_TIM6_POS 43
+#define STM_ISR_TIM7_POS 44
+
+struct stm_dma_channel {
+ vuint32_t ccr;
+ vuint32_t cndtr;
+ vuint32_t cpar;
+ vuint32_t cmar;
+ vuint32_t reserved;
+};
+
+#define STM_NUM_DMA 7
+
+struct stm_dma {
+ vuint32_t isr;
+ vuint32_t ifcr;
+ struct stm_dma_channel channel[STM_NUM_DMA];
+};
+
+extern struct stm_dma stm_dma;
+
+/* DMA channels go from 1 to 7, instead of 0 to 6 (sigh)
+ */
+
+#define STM_DMA_INDEX(channel) ((channel) - 1)
+
+#define STM_DMA_ISR(index) ((index) << 2)
+#define STM_DMA_ISR_MASK 0xf
+#define STM_DMA_ISR_TEIF 3
+#define STM_DMA_ISR_HTIF 2
+#define STM_DMA_ISR_TCIF 1
+#define STM_DMA_ISR_GIF 0
+
+#define STM_DMA_IFCR(index) ((index) << 2)
+#define STM_DMA_IFCR_MASK 0xf
+#define STM_DMA_IFCR_CTEIF 3
+#define STM_DMA_IFCR_CHTIF 2
+#define STM_DMA_IFCR_CTCIF 1
+#define STM_DMA_IFCR_CGIF 0
+
+#define STM_DMA_CCR_MEM2MEM (14)
+
+#define STM_DMA_CCR_PL (12)
+#define STM_DMA_CCR_PL_LOW (0)
+#define STM_DMA_CCR_PL_MEDIUM (1)
+#define STM_DMA_CCR_PL_HIGH (2)
+#define STM_DMA_CCR_PL_VERY_HIGH (3)
+#define STM_DMA_CCR_PL_MASK (3)
+
+#define STM_DMA_CCR_MSIZE (10)
+#define STM_DMA_CCR_MSIZE_8 (0)
+#define STM_DMA_CCR_MSIZE_16 (1)
+#define STM_DMA_CCR_MSIZE_32 (2)
+#define STM_DMA_CCR_MSIZE_MASK (3)
+
+#define STM_DMA_CCR_PSIZE (8)
+#define STM_DMA_CCR_PSIZE_8 (0)
+#define STM_DMA_CCR_PSIZE_16 (1)
+#define STM_DMA_CCR_PSIZE_32 (2)
+#define STM_DMA_CCR_PSIZE_MASK (3)
+
+#define STM_DMA_CCR_MINC (7)
+#define STM_DMA_CCR_PINC (6)
+#define STM_DMA_CCR_CIRC (5)
+#define STM_DMA_CCR_DIR (4)
+#define STM_DMA_CCR_DIR_PER_TO_MEM 0
+#define STM_DMA_CCR_DIR_MEM_TO_PER 1
+#define STM_DMA_CCR_TEIE (3)
+#define STM_DMA_CCR_HTIE (2)
+#define STM_DMA_CCR_TCIE (1)
+#define STM_DMA_CCR_EN (0)
+
+#define STM_DMA_CHANNEL_ADC1 1
+#define STM_DMA_CHANNEL_SPI1_RX 2
+#define STM_DMA_CHANNEL_SPI1_TX 3
+#define STM_DMA_CHANNEL_SPI2_RX 4
+#define STM_DMA_CHANNEL_SPI2_TX 5
+#define STM_DMA_CHANNEL_USART3_TX 2
+#define STM_DMA_CHANNEL_USART3_RX 3
+#define STM_DMA_CHANNEL_USART1_TX 4
+#define STM_DMA_CHANNEL_USART1_RX 5
+#define STM_DMA_CHANNEL_USART2_RX 6
+#define STM_DMA_CHANNEL_USART2_TX 7
+#define STM_DMA_CHANNEL_I2C2_TX 4
+#define STM_DMA_CHANNEL_I2C2_RX 5
+#define STM_DMA_CHANNEL_I2C1_RX 6
+#define STM_DMA_CHANNEL_I2C1_TX 7
+#define STM_DMA_CHANNEL_TIM2_CH3 1
+#define STM_DMA_CHANNEL_TIM2_UP 2
+#define STM_DMA_CHANNEL_TIM2_CH1 5
+#define STM_DMA_CHANNEL_TIM2_CH2 7
+#define STM_DMA_CHANNEL_TIM2_CH4 7
+#define STM_DMA_CHANNEL_TIM3_CH3 2
+#define STM_DMA_CHANNEL_TIM3_CH4 3
+#define STM_DMA_CHANNEL_TIM3_UP 3
+#define STM_DMA_CHANNEL_TIM3_CH1 6
+#define STM_DMA_CHANNEL_TIM3_TRIG 6
+#define STM_DMA_CHANNEL_TIM4_CH1 1
+#define STM_DMA_CHANNEL_TIM4_CH2 4
+#define STM_DMA_CHANNEL_TIM4_CH3 5
+#define STM_DMA_CHANNEL_TIM4_UP 7
+#define STM_DMA_CHANNEL_TIM6_UP_DA 2
+#define STM_DMA_CHANNEL_C_CHANNEL1 2
+#define STM_DMA_CHANNEL_TIM7_UP_DA 3
+#define STM_DMA_CHANNEL_C_CHANNEL2 3
+
+/*
+ * Only spi channel 1 and 2 can use DMA
+ */
+#define STM_NUM_SPI 2
+
+struct stm_spi {
+ vuint32_t cr1;
+ vuint32_t cr2;
+ vuint32_t sr;
+ vuint32_t dr;
+ vuint32_t crcpr;
+ vuint32_t rxcrcr;
+ vuint32_t txcrcr;
+};
+
+extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
+
+/* SPI channels go from 1 to 3, instead of 0 to 2 (sigh)
+ */
+
+#define STM_SPI_INDEX(channel) ((channel) - 1)
+
+#define STM_SPI_CR1_BIDIMODE 15
+#define STM_SPI_CR1_BIDIOE 14
+#define STM_SPI_CR1_CRCEN 13
+#define STM_SPI_CR1_CRCNEXT 12
+#define STM_SPI_CR1_DFF 11
+#define STM_SPI_CR1_RXONLY 10
+#define STM_SPI_CR1_SSM 9
+#define STM_SPI_CR1_SSI 8
+#define STM_SPI_CR1_LSBFIRST 7
+#define STM_SPI_CR1_SPE 6
+#define STM_SPI_CR1_BR 3
+#define STM_SPI_CR1_BR_PCLK_2 0
+#define STM_SPI_CR1_BR_PCLK_4 1
+#define STM_SPI_CR1_BR_PCLK_8 2
+#define STM_SPI_CR1_BR_PCLK_16 3
+#define STM_SPI_CR1_BR_PCLK_32 4
+#define STM_SPI_CR1_BR_PCLK_64 5
+#define STM_SPI_CR1_BR_PCLK_128 6
+#define STM_SPI_CR1_BR_PCLK_256 7
+#define STM_SPI_CR1_BR_MASK 7
+
+#define STM_SPI_CR1_MSTR 2
+#define STM_SPI_CR1_CPOL 1
+#define STM_SPI_CR1_CPHA 0
+
+#define STM_SPI_CR2_TXEIE 7
+#define STM_SPI_CR2_RXNEIE 6
+#define STM_SPI_CR2_ERRIE 5
+#define STM_SPI_CR2_SSOE 2
+#define STM_SPI_CR2_TXDMAEN 1
+#define STM_SPI_CR2_RXDMAEN 0
+
+#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_TXE 1
+#define STM_SPI_SR_RXNE 0
+
#endif /* _STM32L_H_ */
projects / fw / altos / blobdiff