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authorDamien George <damien.p.george@gmail.com>2014-02-16 21:41:57 +0000
committerDamien George <damien.p.george@gmail.com>2014-02-16 21:41:57 +0000
commit2abbae341983b9f9a05082a6a5fd96397299b8a8 (patch)
treecdfa5e58097c9f1d67944724ac67be4b6bb3a348
parent754a8dd82767485bdf983a3272d9a8d7a0d23ec8 (diff)
downloadmicropython-2abbae341983b9f9a05082a6a5fd96397299b8a8.tar.gz
micropython-2abbae341983b9f9a05082a6a5fd96397299b8a8.zip
stm: Rename mma -> accel.
-rw-r--r--stm/Makefile2
-rw-r--r--stm/accel.c (renamed from stm/mma.c)128
-rw-r--r--stm/accel.h11
-rw-r--r--stm/main.c22
-rw-r--r--stm/mma.h11
-rw-r--r--stm/qstrdefsport.h4
6 files changed, 89 insertions, 89 deletions
diff --git a/stm/Makefile b/stm/Makefile
index f677adfbcf..bf56fc9bc1 100644
--- a/stm/Makefile
+++ b/stm/Makefile
@@ -55,7 +55,7 @@ SRC_C = \
servo.c \
flash.c \
storage.c \
- mma.c \
+ accel.c \
usart.c \
usb.c \
timer.c \
diff --git a/stm/mma.c b/stm/accel.c
index 8418c5b419..ae9d588680 100644
--- a/stm/mma.c
+++ b/stm/accel.c
@@ -10,11 +10,11 @@
#include "systick.h"
#include "obj.h"
#include "runtime.h"
-#include "mma.h"
+#include "accel.h"
-#define MMA_ADDR (0x4c)
+#define ACCEL_ADDR (0x4c)
-void mma_init(void) {
+void accel_init(void) {
RCC->APB1ENR |= RCC_APB1ENR_I2C1EN; // enable I2C1
//gpio_pin_init(GPIOB, 6 /* B6 is SCL */, 2 /* AF mode */, 1 /* open drain output */, 1 /* 25 MHz */, 0 /* no pull up or pull down */);
@@ -25,7 +25,7 @@ void mma_init(void) {
GPIO_InitTypeDef GPIO_InitStructure;
- // PB5 is connected to AVDD; pull high to enable MMA device
+ // PB5 is connected to AVDD; pull high to enable MMA accel device
GPIOB->BSRRH = GPIO_Pin_5; // PB5 low to start with
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
@@ -75,21 +75,21 @@ void mma_init(void) {
// set START bit in CR1 to generate a start cond!
// init the chip via I2C commands
- mma_start(MMA_ADDR, 1);
- mma_send_byte(0);
- mma_stop();
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(0);
+ accel_stop();
/*
// read and print all 11 registers
- mma_start(MMA_ADDR, 1);
- mma_send_byte(0);
- mma_restart(MMA_ADDR, 0);
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(0);
+ accel_restart(ACCEL_ADDR, 0);
for (int i = 0; i <= 0xa; i++) {
int data;
if (i == 0xa) {
- data = mma_read_nack();
+ data = accel_read_nack();
} else {
- data = mma_read_ack();
+ data = accel_read_ack();
}
printf(" %02x", data);
}
@@ -97,26 +97,26 @@ void mma_init(void) {
*/
// put into active mode
- mma_start(MMA_ADDR, 1);
- mma_send_byte(7); // mode
- mma_send_byte(1); // active mode
- mma_stop();
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(7); // mode
+ accel_send_byte(1); // active mode
+ accel_stop();
/*
// infinite loop to read values
for (;;) {
sys_tick_delay_ms(500);
- mma_start(MMA_ADDR, 1);
- mma_send_byte(0);
- mma_restart(MMA_ADDR, 0);
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(0);
+ accel_restart(ACCEL_ADDR, 0);
for (int i = 0; i <= 3; i++) {
int data;
if (i == 3) {
- data = mma_read_nack();
+ data = accel_read_nack();
printf(" %02x\n", data);
} else {
- data = mma_read_ack() & 0x3f;
+ data = accel_read_ack() & 0x3f;
if (data & 0x20) {
data |= ~0x1f;
}
@@ -134,7 +134,7 @@ static uint32_t i2c_get_sr(void) {
return (sr2 << 16) | sr1;
}
-void mma_restart(uint8_t addr, int write) {
+void accel_restart(uint8_t addr, int write) {
// send start condition
I2C1->CR1 |= I2C_CR1_START;
@@ -142,7 +142,7 @@ void mma_restart(uint8_t addr, int write) {
uint32_t timeout = 1000000;
while ((i2c_get_sr() & 0x00030001) != 0x00030001) {
if (--timeout == 0) {
- printf("timeout in mma_restart\n");
+ printf("timeout in accel_restart\n");
return;
}
}
@@ -154,7 +154,7 @@ void mma_restart(uint8_t addr, int write) {
timeout = 1000000;
while ((i2c_get_sr() & 0x00070082) != 0x00070082) {
if (--timeout == 0) {
- printf("timeout in mma_restart write\n");
+ printf("timeout in accel_restart write\n");
return;
}
}
@@ -165,48 +165,48 @@ void mma_restart(uint8_t addr, int write) {
timeout = 1000000;
while ((i2c_get_sr() & 0x00030002) != 0x00030002) {
if (--timeout == 0) {
- printf("timeout in mma_restart read\n");
+ printf("timeout in accel_restart read\n");
return;
}
}
}
}
-void mma_start(uint8_t addr, int write) {
+void accel_start(uint8_t addr, int write) {
// wait until I2C is not busy
uint32_t timeout = 1000000;
while (I2C1->SR2 & I2C_SR2_BUSY) {
if (--timeout == 0) {
- printf("timeout in mma_start\n");
+ printf("timeout in accel_start\n");
return;
}
}
// do rest of start
- mma_restart(addr, write);
+ accel_restart(addr, write);
}
-void mma_send_byte(uint8_t data) {
+void accel_send_byte(uint8_t data) {
// send byte
I2C1->DR = data;
// wait for TRA, BUSY, MSL, TXE and BTF (byte transmitted)
uint32_t timeout = 1000000;
while ((i2c_get_sr() & 0x00070084) != 0x00070084) {
if (--timeout == 0) {
- printf("timeout in mma_send_byte\n");
+ printf("timeout in accel_send_byte\n");
return;
}
}
}
-uint8_t mma_read_ack(void) {
+uint8_t accel_read_ack(void) {
// enable ACK of received byte
I2C1->CR1 |= I2C_CR1_ACK;
// wait for BUSY, MSL and RXNE (byte received)
uint32_t timeout = 1000000;
while ((i2c_get_sr() & 0x00030040) != 0x00030040) {
if (--timeout == 0) {
- printf("timeout in mma_read_ack\n");
+ printf("timeout in accel_read_ack\n");
break;
}
}
@@ -215,7 +215,7 @@ uint8_t mma_read_ack(void) {
return data;
}
-uint8_t mma_read_nack(void) {
+uint8_t accel_read_nack(void) {
// disable ACK of received byte (to indicate end of receiving)
I2C1->CR1 &= (uint16_t)~((uint16_t)I2C_CR1_ACK);
// last byte should apparently also generate a stop condition
@@ -224,7 +224,7 @@ uint8_t mma_read_nack(void) {
uint32_t timeout = 1000000;
while ((i2c_get_sr() & 0x00030040) != 0x00030040) {
if (--timeout == 0) {
- printf("timeout in mma_read_nack\n");
+ printf("timeout in accel_read_nack\n");
break;
}
}
@@ -233,7 +233,7 @@ uint8_t mma_read_nack(void) {
return data;
}
-void mma_stop(void) {
+void accel_stop(void) {
// send stop condition
I2C1->CR1 |= I2C_CR1_STOP;
}
@@ -241,60 +241,60 @@ void mma_stop(void) {
/******************************************************************************/
/* Micro Python bindings */
-int mma_buf[12];
+int accel_buf[12];
-mp_obj_t pyb_mma_read(void) {
+mp_obj_t pyb_accel_read(void) {
for (int i = 0; i <= 6; i += 3) {
- mma_buf[0 + i] = mma_buf[0 + i + 3];
- mma_buf[1 + i] = mma_buf[1 + i + 3];
- mma_buf[2 + i] = mma_buf[2 + i + 3];
+ accel_buf[0 + i] = accel_buf[0 + i + 3];
+ accel_buf[1 + i] = accel_buf[1 + i + 3];
+ accel_buf[2 + i] = accel_buf[2 + i + 3];
}
- mma_start(MMA_ADDR, 1);
- mma_send_byte(0);
- mma_restart(MMA_ADDR, 0);
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(0);
+ accel_restart(ACCEL_ADDR, 0);
for (int i = 0; i <= 2; i++) {
- int v = mma_read_ack() & 0x3f;
+ int v = accel_read_ack() & 0x3f;
if (v & 0x20) {
v |= ~0x1f;
}
- mma_buf[9 + i] = v;
+ accel_buf[9 + i] = v;
}
- int jolt_info = mma_read_nack();
+ int jolt_info = accel_read_nack();
mp_obj_t data[4];
- data[0] = mp_obj_new_int(mma_buf[0] + mma_buf[3] + mma_buf[6] + mma_buf[9]);
- data[1] = mp_obj_new_int(mma_buf[1] + mma_buf[4] + mma_buf[7] + mma_buf[10]);
- data[2] = mp_obj_new_int(mma_buf[2] + mma_buf[5] + mma_buf[8] + mma_buf[11]);
+ data[0] = mp_obj_new_int(accel_buf[0] + accel_buf[3] + accel_buf[6] + accel_buf[9]);
+ data[1] = mp_obj_new_int(accel_buf[1] + accel_buf[4] + accel_buf[7] + accel_buf[10]);
+ data[2] = mp_obj_new_int(accel_buf[2] + accel_buf[5] + accel_buf[8] + accel_buf[11]);
data[3] = mp_obj_new_int(jolt_info);
return rt_build_tuple(4, data);
}
-MP_DEFINE_CONST_FUN_OBJ_0(pyb_mma_read_obj, pyb_mma_read);
+MP_DEFINE_CONST_FUN_OBJ_0(pyb_accel_read_obj, pyb_accel_read);
-mp_obj_t pyb_mma_read_all(void) {
+mp_obj_t pyb_accel_read_all(void) {
mp_obj_t data[11];
- mma_start(MMA_ADDR, 1);
- mma_send_byte(0);
- mma_restart(MMA_ADDR, 0);
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(0);
+ accel_restart(ACCEL_ADDR, 0);
for (int i = 0; i <= 9; i++) {
- data[i] = mp_obj_new_int(mma_read_ack());
+ data[i] = mp_obj_new_int(accel_read_ack());
}
- data[10] = mp_obj_new_int(mma_read_nack());
+ data[10] = mp_obj_new_int(accel_read_nack());
return rt_build_tuple(11, data);
}
-MP_DEFINE_CONST_FUN_OBJ_0(pyb_mma_read_all_obj, pyb_mma_read_all);
+MP_DEFINE_CONST_FUN_OBJ_0(pyb_accel_read_all_obj, pyb_accel_read_all);
-mp_obj_t pyb_mma_write_mode(mp_obj_t o_int, mp_obj_t o_mode) {
- mma_start(MMA_ADDR, 1);
- mma_send_byte(6); // start at int
- mma_send_byte(mp_obj_get_int(o_int));
- mma_send_byte(mp_obj_get_int(o_mode));
- mma_stop();
+mp_obj_t pyb_accel_write_mode(mp_obj_t o_int, mp_obj_t o_mode) {
+ accel_start(ACCEL_ADDR, 1);
+ accel_send_byte(6); // start at int
+ accel_send_byte(mp_obj_get_int(o_int));
+ accel_send_byte(mp_obj_get_int(o_mode));
+ accel_stop();
return mp_const_none;
}
-MP_DEFINE_CONST_FUN_OBJ_2(pyb_mma_write_mode_obj, pyb_mma_write_mode);
+MP_DEFINE_CONST_FUN_OBJ_2(pyb_accel_write_mode_obj, pyb_accel_write_mode);
diff --git a/stm/accel.h b/stm/accel.h
new file mode 100644
index 0000000000..c2320f1a4e
--- /dev/null
+++ b/stm/accel.h
@@ -0,0 +1,11 @@
+void accel_init(void);
+void accel_restart(uint8_t addr, int write);
+void accel_start(uint8_t addr, int write);
+void accel_send_byte(uint8_t data);
+uint8_t accel_read_ack(void);
+uint8_t accel_read_nack(void);
+void accel_stop(void);
+
+MP_DECLARE_CONST_FUN_OBJ(pyb_accel_read_obj);
+MP_DECLARE_CONST_FUN_OBJ(pyb_accel_read_all_obj);
+MP_DECLARE_CONST_FUN_OBJ(pyb_accel_write_mode_obj);
diff --git a/stm/main.c b/stm/main.c
index 528408b01f..dabbaf1b05 100644
--- a/stm/main.c
+++ b/stm/main.c
@@ -38,7 +38,7 @@
#include "lcd.h"
#include "storage.h"
#include "sdcard.h"
-#include "mma.h"
+#include "accel.h"
#include "usart.h"
#include "usb.h"
#include "timer.h"
@@ -463,9 +463,9 @@ soft_reset:
#endif
rt_store_attr(m, MP_QSTR_pwm, rt_make_function_n(2, pyb_pwm_set));
#if MICROPY_HW_HAS_MMA7660
- rt_store_attr(m, MP_QSTR_accel, (mp_obj_t)&pyb_mma_read_obj);
- rt_store_attr(m, MP_QSTR_mma_read, (mp_obj_t)&pyb_mma_read_all_obj);
- rt_store_attr(m, MP_QSTR_mma_mode, (mp_obj_t)&pyb_mma_write_mode_obj);
+ rt_store_attr(m, MP_QSTR_accel, (mp_obj_t)&pyb_accel_read_obj);
+ rt_store_attr(m, MP_QSTR_accel_read, (mp_obj_t)&pyb_accel_read_all_obj);
+ rt_store_attr(m, MP_QSTR_accel_mode, (mp_obj_t)&pyb_accel_write_mode_obj);
#endif
rt_store_attr(m, MP_QSTR_hid, rt_make_function_n(1, pyb_hid_send_report));
#if MICROPY_HW_ENABLE_RTC
@@ -583,8 +583,8 @@ soft_reset:
if (first_soft_reset) {
#if MICROPY_HW_HAS_MMA7660
- // MMA: init and reset address to zero
- mma_init();
+ // MMA accel: init and reset address to zero
+ accel_init();
#endif
}
@@ -654,17 +654,17 @@ soft_reset:
#else
data[0] = 0x00;
#endif
- mma_start(0x4c /* MMA_ADDR */, 1);
- mma_send_byte(0);
- mma_restart(0x4c /* MMA_ADDR */, 0);
+ accel_start(0x4c /* ACCEL_ADDR */, 1);
+ accel_send_byte(0);
+ accel_restart(0x4c /* ACCEL_ADDR */, 0);
for (int i = 0; i <= 1; i++) {
- int v = mma_read_ack() & 0x3f;
+ int v = accel_read_ack() & 0x3f;
if (v & 0x20) {
v |= ~0x1f;
}
data[1 + i] = v;
}
- mma_read_nack();
+ accel_read_nack();
usb_hid_send_report(data);
sys_tick_delay_ms(15);
}
diff --git a/stm/mma.h b/stm/mma.h
deleted file mode 100644
index 0bdf5d1009..0000000000
--- a/stm/mma.h
+++ /dev/null
@@ -1,11 +0,0 @@
-void mma_init(void);
-void mma_restart(uint8_t addr, int write);
-void mma_start(uint8_t addr, int write);
-void mma_send_byte(uint8_t data);
-uint8_t mma_read_ack(void);
-uint8_t mma_read_nack(void);
-void mma_stop(void);
-
-MP_DECLARE_CONST_FUN_OBJ(pyb_mma_read_obj);
-MP_DECLARE_CONST_FUN_OBJ(pyb_mma_read_all_obj);
-MP_DECLARE_CONST_FUN_OBJ(pyb_mma_write_mode_obj);
diff --git a/stm/qstrdefsport.h b/stm/qstrdefsport.h
index 162e659f36..cc2041f824 100644
--- a/stm/qstrdefsport.h
+++ b/stm/qstrdefsport.h
@@ -15,8 +15,8 @@ Q(switch)
Q(servo)
Q(pwm)
Q(accel)
-Q(mma_read)
-Q(mma_mode)
+Q(accel_read)
+Q(accel_mode)
Q(hid)
Q(time)
Q(rand)