From 3edc40e4c561ffa09e8548fafed1c24a4ab37c3b Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Fri, 14 Aug 2015 10:33:29 +0200
Subject: [PATCH] drivers: nrf24l01p: use xtimer

---
 .../nrf24l01p/include/nrf24l01p_settings.h    | 14 +--
 drivers/nrf24l01p/nrf24l01p.c                 | 96 +++++++++----------
 2 files changed, 55 insertions(+), 55 deletions(-)

diff --git a/drivers/nrf24l01p/include/nrf24l01p_settings.h b/drivers/nrf24l01p/include/nrf24l01p_settings.h
index 374fea5564..b368de71d7 100644
--- a/drivers/nrf24l01p/include/nrf24l01p_settings.h
+++ b/drivers/nrf24l01p/include/nrf24l01p_settings.h
@@ -31,18 +31,18 @@ extern "C" {
 #define INITIAL_RF_CHANNEL          5
 #define INITIAL_RX_POWER_0dB        0
 
-#define DELAY_CS_TOGGLE_TICKS               2
-#define DELAY_AFTER_FUNC_TICKS              2
-#define DELAY_CE_HIGH_US                    HWTIMER_TICKS(20)
-#define DELAY_CHANGE_PWR_MODE_US            HWTIMER_TICKS(1500)
-#define DELAY_CHANGE_TXRX_US                HWTIMER_TICKS(130)
-#define DELAY_CE_START_US                   HWTIMER_TICKS(5)
+#define DELAY_CS_TOGGLE_TICKS       2
+#define DELAY_AFTER_FUNC_TICKS      2
+#define DELAY_CE_HIGH               (20)
+#define DELAY_CHANGE_PWR_MODE       (1500)
+#define DELAY_CHANGE_TXRX           (130)
+#define DELAY_CE_START              (5)
 /*
  * This is the time which is needed to physically transmit the data.
  * Compare nrf24l01+ pruduct specification p.42. It is computed just
  * for this setup
  */
-#define DELAY_DATA_ON_AIR                   HWTIMER_TICKS(1300)
+#define DELAY_DATA_ON_AIR                   (1300)
 
 
 #define CMD_R_REGISTER          0x00
diff --git a/drivers/nrf24l01p/nrf24l01p.c b/drivers/nrf24l01p/nrf24l01p.c
index 3ac0e2a32c..e1976e6513 100644
--- a/drivers/nrf24l01p/nrf24l01p.c
+++ b/drivers/nrf24l01p/nrf24l01p.c
@@ -18,7 +18,7 @@
 #include "mutex.h"
 #include "periph/gpio.h"
 #include "periph/spi.h"
-#include "hwtimer.h"
+#include "xtimer.h"
 #include "thread.h"
 #include "msg.h"
 
@@ -34,14 +34,14 @@ int nrf24l01p_read_reg(nrf24l01p_t *dev, char reg, char *answer)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_reg(dev->spi, (CMD_R_REGISTER | (REGISTER_MASK & reg)), CMD_NOP, answer);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -54,14 +54,14 @@ int nrf24l01p_write_reg(nrf24l01p_t *dev, char reg, char write)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_reg(dev->spi, (CMD_W_REGISTER | (REGISTER_MASK & reg)), write, &reg_content);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -100,7 +100,7 @@ int nrf24l01p_init(nrf24l01p_t *dev, spi_t spi, gpio_t ce, gpio_t cs, gpio_t irq
         return status;
     }
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     /* Flush TX FIFIO */
     status = nrf24l01p_flush_tx_fifo(dev);
@@ -204,7 +204,7 @@ int nrf24l01p_on(nrf24l01p_t *dev)
     nrf24l01p_read_reg(dev, REG_CONFIG, &read);
     status = nrf24l01p_write_reg(dev, REG_CONFIG, (read | PWR_UP));
 
-    hwtimer_wait(DELAY_CHANGE_PWR_MODE_US);
+    xtimer_usleep(DELAY_CHANGE_PWR_MODE_US);
 
     return status;
 }
@@ -217,7 +217,7 @@ int nrf24l01p_off(nrf24l01p_t *dev)
     nrf24l01p_read_reg(dev, REG_CONFIG, &read);
     status = nrf24l01p_write_reg(dev, REG_CONFIG, (read & ~PWR_UP));
 
-    hwtimer_wait(DELAY_CHANGE_PWR_MODE_US);
+    xtimer_usleep(DELAY_CHANGE_PWR_MODE_US);
 
     return status;
 }
@@ -225,10 +225,10 @@ int nrf24l01p_off(nrf24l01p_t *dev)
 void nrf24l01p_transmit(nrf24l01p_t *dev)
 {
     gpio_set(dev->ce);
-    hwtimer_wait(DELAY_CE_HIGH_US); /* at least 10 us high */
+    xtimer_usleep(DELAY_CE_HIGH_US); /* at least 10 us high */
     gpio_clear(dev->ce);
 
-    hwtimer_spin(DELAY_CHANGE_TXRX_US);
+    xtimer_spin(DELAY_CHANGE_TXRX_US);
 }
 
 int nrf24l01p_read_payload(nrf24l01p_t *dev, char *answer, unsigned int size)
@@ -238,11 +238,11 @@ int nrf24l01p_read_payload(nrf24l01p_t *dev, char *answer, unsigned int size)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, CMD_R_RX_PAYLOAD, 0, answer, size);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
@@ -273,12 +273,12 @@ void nrf24l01p_get_id(nrf24l01p_t *dev, unsigned int *pid)
 void nrf24l01p_start(nrf24l01p_t *dev)
 {
     gpio_set(dev->ce);
-    hwtimer_wait(DELAY_CE_START_US);
+    xtimer_usleep(DELAY_CE_START_US);
 }
 
 void nrf24l01p_stop(nrf24l01p_t *dev)
 {
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_clear(dev->ce);
 }
 
@@ -291,14 +291,14 @@ int nrf24l01p_preload(nrf24l01p_t *dev, char *data, unsigned int size)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, CMD_W_TX_PAYLOAD, data, NULL, size);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -318,7 +318,7 @@ int nrf24l01p_set_address_width(nrf24l01p_t *dev, nrf24l01p_aw_t aw)
     char aw_setup;
     nrf24l01p_read_reg(dev, REG_SETUP_AW, &aw_setup);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     switch (aw) {
         case NRF24L01P_AW_3BYTE:
@@ -396,14 +396,14 @@ int nrf24l01p_set_tx_address(nrf24l01p_t *dev, char *saddr, unsigned int length)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, (CMD_W_REGISTER | (REGISTER_MASK & REG_TX_ADDR)), saddr, NULL, length); /* address width is 5 byte */
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -427,14 +427,14 @@ int nrf24l01p_set_tx_address_long(nrf24l01p_t *dev, uint64_t saddr, unsigned int
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, (CMD_W_REGISTER | (REGISTER_MASK & REG_TX_ADDR)), buf, NULL, length); /* address width is 5 byte */
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -448,20 +448,20 @@ uint64_t nrf24l01p_get_tx_address_long(nrf24l01p_t *dev)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, (CMD_R_REGISTER | (REGISTER_MASK & REG_TX_ADDR)), 0, addr_array, INITIAL_ADDRESS_WIDTH); /* address width is 5 byte */
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     if (status < 0) {
         return -1;
     }
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     for (int i = 0; i < INITIAL_ADDRESS_WIDTH; i++) {
         saddr_64 |= (((uint64_t) addr_array[i]) << (8 * (INITIAL_ADDRESS_WIDTH - i - 1)));
@@ -508,14 +508,14 @@ int nrf24l01p_set_rx_address(nrf24l01p_t *dev, nrf24l01p_rx_pipe_t pipe, char *s
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, (CMD_W_REGISTER | (REGISTER_MASK & pipe_addr)), saddr, NULL, length); /* address width is 5 byte */
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     /* Enable this pipe */
     nrf24l01p_enable_pipe(dev, pipe);
@@ -580,9 +580,9 @@ uint64_t nrf24l01p_get_rx_address_long(nrf24l01p_t *dev, nrf24l01p_rx_pipe_t pip
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_regs(dev->spi, (CMD_R_REGISTER | (REGISTER_MASK & pipe_addr)), 0, addr_array, INITIAL_ADDRESS_WIDTH); /* address width is 5 byte */
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
@@ -591,7 +591,7 @@ uint64_t nrf24l01p_get_rx_address_long(nrf24l01p_t *dev, nrf24l01p_rx_pipe_t pip
         return -1;
     }
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     for (int i = 0; i < INITIAL_ADDRESS_WIDTH; i++) {
         saddr_64 |= (((uint64_t) addr_array[i]) << (8 * (INITIAL_ADDRESS_WIDTH - i - 1)));
@@ -635,14 +635,14 @@ int nrf24l01p_get_status(nrf24l01p_t *dev)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     spi_transfer_byte(dev->spi, CMD_NOP, &status);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return (int)status;
 }
@@ -717,7 +717,7 @@ int nrf24l01p_set_txmode(nrf24l01p_t *dev)
     conf &= ~(PRIM_RX);
     status = nrf24l01p_write_reg(dev, REG_CONFIG, conf);
 
-    hwtimer_wait(DELAY_CHANGE_TXRX_US);
+    xtimer_usleep(DELAY_CHANGE_TXRX_US);
 
     return status;
 }
@@ -738,7 +738,7 @@ int nrf24l01p_set_rxmode(nrf24l01p_t *dev)
 
     nrf24l01p_start(dev);
 
-    hwtimer_wait(DELAY_CHANGE_TXRX_US);
+    xtimer_usleep(DELAY_CHANGE_TXRX_US);
 
     return status;
 }
@@ -874,14 +874,14 @@ int nrf24l01p_flush_tx_fifo(nrf24l01p_t *dev)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_byte(dev->spi, CMD_FLUSH_TX, &reg_content);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
@@ -894,14 +894,14 @@ int nrf24l01p_flush_rx_fifo(nrf24l01p_t *dev)
     /* Acquire exclusive access to the bus. */
     spi_acquire(dev->spi);
     gpio_clear(dev->cs);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     status = spi_transfer_byte(dev->spi, CMD_FLUSH_RX, &reg_content);
-    hwtimer_spin(DELAY_CS_TOGGLE_TICKS);
+    xtimer_spin(DELAY_CS_TOGGLE_TICKS);
     gpio_set(dev->cs);
     /* Release the bus for other threads. */
     spi_release(dev->spi);
 
-    hwtimer_spin(DELAY_AFTER_FUNC_TICKS);
+    xtimer_spin(DELAY_AFTER_FUNC_TICKS);
 
     return status;
 }
-- 
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