ports: Make new ports/ sub-directory and move all ports there.

This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.

1 files changed, 128 insertions, 0 deletions

diff --git a/ports/teensy/teensy_hal.h b/ports/teensy/teensy_hal.h
new file mode 100644
index 000000000..162effa85
--- /dev/null
+++ b/ports/teensy/teensy_hal.h
@@ -0,0 +1,128 @@
+#include <mk20dx128.h>
+#include "hal_ftm.h"
+
+#ifdef  USE_FULL_ASSERT
+  #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__))
+  void assert_failed(uint8_t* file, uint32_t line);
+#else
+  #define assert_param(expr) ((void)0)
+#endif /* USE_FULL_ASSERT */
+
+#define HAL_NVIC_EnableIRQ(irq)    NVIC_ENABLE_IRQ(irq)
+
+#define GPIOA   ((GPIO_TypeDef *)&GPIOA_PDOR)
+#define GPIOB   ((GPIO_TypeDef *)&GPIOB_PDOR)
+#define GPIOC   ((GPIO_TypeDef *)&GPIOC_PDOR)
+#define GPIOD   ((GPIO_TypeDef *)&GPIOD_PDOR)
+#define GPIOE   ((GPIO_TypeDef *)&GPIOE_PDOR)
+#define GPIOZ   ((GPIO_TypeDef *)NULL)
+
+#define I2C0    ((I2C_TypeDef *)0x40066000)
+#define I2C1    ((I2C_TypeDef *)0x40067000)
+
+#undef  SPI0
+#define SPI0    ((SPI_TypeDef *)0x4002C000)
+#define SPI1    ((SPI_TypeDef *)0x4002D000)
+
+#define UART0   ((UART_TypeDef *)&UART0_BDH)
+#define UART1   ((UART_TypeDef *)&UART1_BDH)
+#define UART2   ((UART_TypeDef *)&UART2_BDH)
+
+typedef struct {
+    uint32_t dummy;
+} I2C_TypeDef;
+
+typedef struct {
+    uint32_t dummy;
+} UART_TypeDef;
+
+typedef struct {
+    uint32_t dummy;
+} SPI_TypeDef;
+
+typedef struct {
+    volatile    uint32_t    PDOR;   // Output register
+    volatile    uint32_t    PSOR;   // Set output register
+    volatile    uint32_t    PCOR;   // Clear output register
+    volatile    uint32_t    PTOR;   // Toggle output register
+    volatile    uint32_t    PDIR;   // Data Input register
+    volatile    uint32_t    PDDR;   // Data Direction register
+} GPIO_TypeDef;
+
+#define GPIO_OUTPUT_TYPE    ((uint32_t)0x00000010)  // Indicates OD
+
+#define GPIO_MODE_INPUT     ((uint32_t)0x00000000)
+#define GPIO_MODE_OUTPUT_PP ((uint32_t)0x00000001)
+#define GPIO_MODE_OUTPUT_OD ((uint32_t)0x00000011)
+#define GPIO_MODE_AF_PP     ((uint32_t)0x00000002)
+#define GPIO_MODE_AF_OD     ((uint32_t)0x00000012)
+#define GPIO_MODE_ANALOG    ((uint32_t)0x00000003)
+#define GPIO_MODE_IT_RISING ((uint32_t)1)
+#define GPIO_MODE_IT_FALLING ((uint32_t)2)
+
+#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT)              ||\
+                            ((MODE) == GPIO_MODE_OUTPUT_PP)          ||\
+                            ((MODE) == GPIO_MODE_OUTPUT_OD)          ||\
+                            ((MODE) == GPIO_MODE_AF_PP)              ||\
+                            ((MODE) == GPIO_MODE_AF_OD)              ||\
+                            ((MODE) == GPIO_MODE_ANALOG))
+
+#define GPIO_NOPULL         ((uint32_t)0)
+#define GPIO_PULLUP         ((uint32_t)1)
+#define GPIO_PULLDOWN       ((uint32_t)2)
+
+#define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \
+                            ((PULL) == GPIO_PULLDOWN))
+
+#define  GPIO_SPEED_LOW         ((uint32_t)0)
+#define  GPIO_SPEED_MEDIUM      ((uint32_t)1)
+#define  GPIO_SPEED_FAST        ((uint32_t)2)
+#define  GPIO_SPEED_HIGH        ((uint32_t)3)
+
+#define IS_GPIO_AF(af)      ((af) >= 0 && (af) <= 7)
+
+typedef struct {
+    uint32_t    Pin;
+    uint32_t    Mode;
+    uint32_t    Pull;
+    uint32_t    Speed;
+    uint32_t    Alternate;
+} GPIO_InitTypeDef;
+
+#define GPIO_PORT_TO_PORT_NUM(GPIOx) \
+    ((&GPIOx->PDOR - &GPIOA_PDOR) / (&GPIOB_PDOR - &GPIOA_PDOR))
+
+#define GPIO_PIN_TO_PORT_PCR(GPIOx, pin) \
+    (&PORTA_PCR0 + (GPIO_PORT_TO_PORT_NUM(GPIOx) * 0x400) + (pin))
+
+#define GPIO_AF2_I2C0   2
+#define GPIO_AF2_I2C1   2
+#define GPIO_AF2_SPI0   2
+#define GPIO_AF3_FTM0   3
+#define GPIO_AF3_FTM1   3
+#define GPIO_AF3_FTM2   3
+#define GPIO_AF3_UART0  3
+#define GPIO_AF3_UART1  3
+#define GPIO_AF3_UART2  3
+#define GPIO_AF4_FTM0   4
+#define GPIO_AF6_FTM1   6
+#define GPIO_AF6_FTM2   6
+#define GPIO_AF6_I2C1   6
+#define GPIO_AF7_FTM1   7
+
+__attribute__(( always_inline )) static inline void __WFI(void) {
+  __asm volatile ("wfi");
+}
+
+void mp_hal_set_interrupt_char(int c);
+
+void mp_hal_gpio_clock_enable(GPIO_TypeDef *gpio);
+
+void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *init);
+
+struct _pin_obj_t;
+#define mp_hal_pin_obj_t const struct _pin_obj_t*
+#define mp_hal_pin_high(p) (((p)->gpio->PSOR) = (p)->pin_mask)
+#define mp_hal_pin_low(p)  (((p)->gpio->PCOR) = (p)->pin_mask)
+#define mp_hal_pin_read(p) (((p)->gpio->PDIR >> (p)->pin) & 1)
+#define mp_hal_pin_write(p, v)  do { if (v) { mp_hal_pin_high(p); } else { mp_hal_pin_low(p); } } while (0)