mirror of https://github.com/ARMmbed/mbed-os.git
146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
#include "mbed.h"
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#include "test_env.h"
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#if !DEVICE_I2C || !DEVICE_I2C_ASYNCH
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#error [NOT_SUPPORTED] I2C ASYNCH is not supported
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#endif
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#define SIZE (10)
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#define ADDR (0x90)
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#define FREQ 100000
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#if defined(TARGET_KL25Z)
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I2C i2c(PTE0, PTE1);
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#elif defined(TARGET_nRF51822)
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I2C i2c(p22,p20);
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#elif defined(TARGET_NUCLEO_F411RE) || defined (TARGET_DISCO_F469NI)
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#define TEST_SDA_PIN PB_9
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#define TEST_SCL_PIN PB_8
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN); // I2C_1 (Arduino: D14/D15)
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#elif defined(TARGET_FF_ARDUINO) || defined(TARGET_MAXWSNENV)
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I2C i2c(I2C_SDA, I2C_SCL);
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#define TEST_SDA_PIN PB_9
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#define TEST_SCL_PIN PB_8
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#elif defined(TARGET_EFM32LG_STK3600) || defined(TARGET_EFM32GG_STK3700) || defined(TARGET_EFM32WG_STK3800)
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#define TEST_SDA_PIN PD6
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#define TEST_SCL_PIN PD7
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_EFM32ZG_STK3200)
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#define TEST_SDA_PIN PE12
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#define TEST_SCL_PIN PE13
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_EFM32HG_STK3400)
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#define TEST_SDA_PIN PD6
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#define TEST_SCL_PIN PD7
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_EFM32PG_STK3401)
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#define TEST_SDA_PIN PC10
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#define TEST_SCL_PIN PC11
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_SAMR21G18A)
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#define TEST_SDA_PIN PA16
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#define TEST_SCL_PIN PA17
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_SAMD21J18A) || defined(TARGET_SAMD21G18A) || defined(TARGET_SAML21J18A)
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#define TEST_SDA_PIN PA08
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#define TEST_SCL_PIN PA09
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#elif defined(TARGET_SAMG55J19)
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#define TEST_SDA_PIN PA10
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#define TEST_SCL_PIN PA09
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I2C i2c(TEST_SDA_PIN, TEST_SCL_PIN);
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#else
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//I2C i2c(p28, p27);
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#endif
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volatile int why;
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volatile bool complete = false;
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void cbdone(int event) {
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complete = true;
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why = event;
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}
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int main() {
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event_callback_t callback;
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char buf[] = {3, 2, 1, 4, 5, 6, 7, 8, 9, 10};
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char res[SIZE];
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char buf_master_tx[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
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char buf_master_rx[SIZE];
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int rc;
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printf("\n\nTest init\n");
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callback.attach(cbdone);
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i2c.frequency(FREQ);
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// First transfer: Tx/Rx
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printf("\nFirst transfer: Master Tx\n");
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rc = i2c.transfer(ADDR, buf, SIZE, 0, 0, callback, I2C_EVENT_ALL, true);
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if (rc != 0) {
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notify_completion(false);
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}
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while (!complete) {
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sleep();
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}
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if (why != I2C_EVENT_TRANSFER_COMPLETE) {
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notify_completion(false);
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}
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printf("Why: %d\n", (int)why);
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why = 0;
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complete = false;
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// Second transfer: Rx
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printf("\nSecond transfer: Master Rx\n");
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rc = i2c.transfer(ADDR, 0, 0, res, SIZE, callback, I2C_EVENT_ALL, false);
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if (rc != 0) {
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notify_completion(false);
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}
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while (!complete) {
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sleep();
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}
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if (why != I2C_EVENT_TRANSFER_COMPLETE) {
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notify_completion(false);
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}
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printf("Why: %d\n", (int)why);
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// Check buffers
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for(int i = 0; i < SIZE; i++) {
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if (res[i] != (buf[i] + 1)) {
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printf("Buffer check KO\n");
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notify_completion(false);
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break;
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}
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}
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// Third transfer: Tx/Rx
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printf("\nThird transfer: Master Tx/Rx\n");
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rc = i2c.transfer(ADDR, buf_master_tx, SIZE, buf_master_rx, SIZE, callback, I2C_EVENT_ALL, false);
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if (rc != 0) {
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notify_completion(false);
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}
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while (!complete) {
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sleep();
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}
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if (why != I2C_EVENT_TRANSFER_COMPLETE) {
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printf("Transfer result: 0x%x\n", why);
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notify_completion(false);
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}
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complete = false;
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why = 0;
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printf("Transfer result: OK\n");
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for(int i = 0; i < SIZE; i++) {
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if (buf_master_rx[i] != (buf_master_tx[i] + 1)) {
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printf("Buffer check KO\n");
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printf("buf_master_rx[%d]: %d, buf_master_tx[%d]: %d\n",i,buf_master_rx[i],i,buf_master_tx[i]);
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notify_completion(false);
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break;
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}
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}
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printf("Buffer check OK\n");
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notify_completion(true);
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}
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