drivers, cc3k: Move cc3000 driver from stmhal to drivers directory.

1 files changed, 0 insertions, 178 deletions

diff --git a/stmhal/cc3k/pybcc3k.c b/stmhal/cc3k/pybcc3k.c
deleted file mode 100644
index a8bcc4428..000000000
--- a/stmhal/cc3k/pybcc3k.c
+++ /dev/null
@@ -1,178 +0,0 @@
-#include <stdio.h>
-#include <stdint.h>
-
-#include "stm32f4xx_hal.h"
-
-#include "mpconfig.h"
-#include "nlr.h"
-#include "misc.h"
-#include "qstr.h"
-#include "obj.h"
-#include "runtime.h"
-#include "pin.h"
-#include "genhdr/pins.h"
-#include "led.h"
-#include "extint.h"
-#include "spi.h"
-#include "ccspi.h"
-#include "pybcc3k.h"
-
-#if MICROPY_HW_ENABLE_CC3K
-
-#if 1 // print debugging info
-#define DEBUG_printf(args...) printf(args)
-#else // don't print debugging info
-#define DEBUG_printf(args...) (void)0
-#endif
-
-// IRQ on PA14, input, pulled up, active low
-// EN on PC7, output, active high
-// CS on PC6, output, active low
-// SPI2 on PB15=MOSI, PB14=MISO, PB13=SCK
-// SCK for CC3000: max 16MHz, low when idle, data sampled on falling edge
-
-#define PIN_CS pin_B12 // Y5
-#define PIN_EN pin_B9 // Y4
-#define PIN_IRQ pin_B8 // Y3
-#define SPI_HANDLE SPIHandle2
-
-// TODO this could be really wrong wrt calibration
-void pyb_delay_us(uint32_t usec) {
-    volatile uint32_t count = 0;
-    const uint32_t utime = (160 * usec / 5);
-    do {
-        if (++count > utime) {
-            return;
-        }
-    } while (1);
-}
-
-void pyb_cc3000_set_en(int val) {
-    DEBUG_printf("pyb_cc3000_set_en val=%d\n", val);
-    if (val) {
-        PIN_EN.gpio->BSRRL = PIN_EN.pin_mask; // set pin high
-    } else {
-        PIN_EN.gpio->BSRRH = PIN_EN.pin_mask; // set pin low
-    }
-}
-
-void pyb_cc3000_set_cs(int val) {
-    DEBUG_printf("pyb_cc3000_set_cs val=%d\n", val);
-    if (val) {
-        PIN_CS.gpio->BSRRL = PIN_CS.pin_mask; // set pin high
-    } else {
-        PIN_CS.gpio->BSRRH = PIN_CS.pin_mask; // set pin low
-    }
-}
-
-int pyb_cc3000_get_irq(void) {
-    if ((PIN_IRQ.gpio->IDR & PIN_IRQ.pin_mask) == 0) {
-        return 0;
-    } else {
-        return 1;
-    }
-}
-
-uint32_t exti14_enabled = 0; // TODO hack; do it properly!
-uint32_t exti14_missed = 0; // TODO hack; do it properly!
-
-void pyb_cc3000_enable_irq(void) {
-    DEBUG_printf("pyb_cc3000_enable_irq: en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
-    if (exti14_missed) {
-        // doesn't look like this is needed
-        DEBUG_printf("pyb_cc3000_enable_irq: handling missed IRQ\n");
-        /*
-        // TODO hack if we have a pending IRQ
-        extern void SpiIntGPIOHandler(void);
-        */
-        SpiIntGPIOHandler();
-        exti14_missed = 0;
-    }
-    exti14_enabled = 1;
-}
-
-void pyb_cc3000_disable_irq(void) {
-    DEBUG_printf("pyb_cc3000_disable_irq: en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
-    exti14_enabled = 0;
-}
-
-void pyb_cc3000_pause_spi(void) {
-    DEBUG_printf("pyb_cc3000_pause_spi\n");
-    exti14_enabled = 0;
-}
-
-void pyb_cc3000_resume_spi(void) {
-    DEBUG_printf("pyb_cc3000_resume_spi\n");
-    exti14_enabled = 1;
-}
-
-STATIC mp_obj_t irq_callback(mp_obj_t line) {
-    led_toggle(2);
-    //extern void SpiIntGPIOHandler(void);
-    //extern uint32_t exti14_enabled;
-    //extern uint32_t exti14_missed;
-    //printf("-> EXTI14 en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
-    if (exti14_enabled) {
-        exti14_missed = 0;
-        SpiIntGPIOHandler(); // CC3000 interrupt
-    } else {
-        exti14_missed = 1;
-    }
-    //printf("<- EXTI14 done\n");
-    return mp_const_none;
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(irq_callback_obj, irq_callback);
-
-void pyb_cc3000_spi_init(void) {
-    DEBUG_printf("pyb_cc3000_spi_init\n");
-
-    /*
-  inf.baudRate = 100000; // FIXME - just slow for debug
-  inf.spiMode = SPIF_SPI_MODE_1;  // Mode 1   CPOL= 0  CPHA= 1
-  */
-
-    /*!< SPI configuration */
-    SPI_HANDLE.Init.Mode = SPI_MODE_MASTER;
-    SPI_HANDLE.Init.Direction = SPI_DIRECTION_2LINES;
-    SPI_HANDLE.Init.DataSize = SPI_DATASIZE_8BIT; // should be correct
-    SPI_HANDLE.Init.CLKPolarity = SPI_POLARITY_LOW; // clock is low when idle
-    SPI_HANDLE.Init.CLKPhase = SPI_PHASE_2EDGE; // data latched on second edge, which is falling edge for low-idle
-    SPI_HANDLE.Init.NSS = SPI_NSS_SOFT; // software control
-    SPI_HANDLE.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; // clock freq = f_PCLK / this_prescale_value
-    SPI_HANDLE.Init.FirstBit = SPI_FIRSTBIT_MSB; // should be correct
-    SPI_HANDLE.Init.TIMode = SPI_TIMODE_DISABLED;
-    SPI_HANDLE.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
-    SPI_HANDLE.Init.CRCPolynomial = 7; // unused
-
-    spi_init(&SPI_HANDLE);
-
-    // configure wlan CS and EN pins
-    GPIO_InitTypeDef GPIO_InitStructure;
-    GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
-    GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
-    GPIO_InitStructure.Pull = GPIO_NOPULL;
-    GPIO_InitStructure.Alternate = 0;
-
-    GPIO_InitStructure.Pin = PIN_CS.pin_mask;
-    HAL_GPIO_Init(PIN_CS.gpio, &GPIO_InitStructure);
-
-    GPIO_InitStructure.Pin = PIN_EN.pin_mask;
-    HAL_GPIO_Init(PIN_EN.gpio, &GPIO_InitStructure);
-
-    pyb_cc3000_set_cs(1); // de-assert CS
-    pyb_cc3000_set_en(0); // disable wlan
-
-    // configure EXTI for PIN_IRQ
-    extint_register((mp_obj_t)&PIN_IRQ, GPIO_MODE_IT_FALLING, GPIO_PULLUP, (mp_obj_t)&irq_callback_obj, true, NULL);
-
-    // wait a little (ensure that WLAN takes effect)
-    HAL_Delay(500); // force a 500ms delay! FIXME
-}
-
-uint8_t pyb_cc3000_spi_send(uint8_t val) {
-    uint8_t data[1] = {val};
-    HAL_SPI_TransmitReceive(&SPI_HANDLE, data, data, 1, 1000);
-    return data[0];
-}
-
-#endif // MICROPY_HW_ENABLE_CC3K